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MCG-5X MCG-5X The Global quality and service system of metal working industry 2009 VOLUME 1 ISSUE 2 Quality and Service Built Our Business Quarterly 5-Axes Simultaneous Machining Center For Aerospace industry Medical industry Die & Mold Automobile industry
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Page 1: 2009 Volume 1 Issue 2

MCG-5XMCG-5XThe

Global quality and service system of metal working industry

2009 VOLUME 1 ISSUE 2

Quality and Service Built Our Business

Quarterly

5-Axes SimultaneousMachining CenterForAerospace industryMedical industryDie & MoldAutomobile industry

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Publisher: Paul ChangE-mail: [email protected]: Christine [email protected] board: Christine Chiu Paul Chang Sabina Chen Christine Chang

Layout and Typesetting : Treasure Map Advertising Corp.E-mail: [email protected]

Subscription:Buffalo Machinery Co., Ltd.56, Lane 318, Der Sheng Road, Ta Ya, Taichung County, TaiwanTEL : 886-4-25 60 37 59 FAX: 886-4-25 60 37 69www.buffalo.com.tw

Copyright@2009 Buffalo Machinery Co., Ltd. All right reserved. No portion of this publication covered by the copyright herein may be reproduced in any form- graphic, electronic, mechanical, photocopying without the written permission of the publisher.

Opinion expressed by contributors and advertisers are not necessarily those of the publisher or editor and take no responsibility for any false claims or erroneous information

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The Vol. 1 Iss. 2 2009

From the publisher- Time to wait ? Time to Conquer?

About MicrocutNewsroom

Global outlook-Canada

Distribution- Always give you the best value -Modern tool- A better tool cutting

Products

- Reshape the world--5-axes machining

R&D Zone- A New Compensation Technique of Ball-screw Thermal Expansion

Application- From the idea to the precise form

Key component -Rotary Unions

FAQ-Trouble shooting

Event-Open house report-TIMTOS 2009-Exhibition list

SINUMERIK® solution line gives you the flexibility you need to configure your machines.The system is distributed, modular and supported by scalable hardware and software. Added to this, your machinesare optimally networked using Ethernet. You will benefit from custom operator control concepts with thin-clientunits as well as simple engineering thanks to electronic drive plate self-recognition. And for diagnostics, there’sDRIVE-CLiQ. Find more information at: www.siemens.com/sinumerikSetting standards with Totally Integrated Automation.

Answers for industry.

SINUMERIK

Always the right solution:SINUMERIK solution line

Index

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From the publisher About Microcut

Time to wait? Time to Conquer?

From the publisher

TheAb

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The destructive global power of the financial crisis became clear last year. The immensity of the manufacturing crisis is still sinking in. In fact, manufacturing is also caught up in a global whirlwind. In Germany December’s machine-tool orders were 40% lower than a year earlier. Industrial production fell in the latest three months by 3.6% and 4.4% respectively in America and Britain (equivalent to annual declines of 13.8% and 16.4%) in 2008. But the collapse is much worse in countries more dependent on manufacturing exports, which have come to rely on consumers in debtor countries. For example, Germany’s industrial production in the fourth quarter of 2008 fell by 6.8%; Taiwan’s by 21.7%; Japan’s by 12%. In the years after an extraordinary boom, in which the world’s GDP rose year after year by between 4% and 5%, global growth will slide below 3%, some developed countries even slide to -1%~-7% in 2009.

The operation of metal working machines sellers suffers seriously from the credit crunch of banking system. Firms with so little equity have almost no ability to absorb temporary downturns or shocks. Industry is collapsing in some developing countries such as eastern Europe, Brazil, Malaysia and Turkey. Thousands of factories in are now abandoned. The sharply currencies depreciation also squeezed domestic spending in those countries. The internal demand deteriorates along with the falling of export, creating a vicious circle of slumping GDP. Around the world factory output is plunging at its fastest pace in decades as the consequences of slumping demand have rattled along the supply chain.

Taiwan is one of the world’s most export-dependent economies, has been battered by the slump in global demand. Exports account for 74% of GDP in 2008, plunged by a record 44% in the year to January. To prop up the economy, the central bank has cut interest rates six times since September, to 1.5%. The Taiwan currency tumbled to 22-year low against the U.S, at NT$35.174 vs. dollar in March 2009. However, Taiwan cannot keep relying on low interest rate and weak currency rate to support the sliding exports and a shrinking economy anymore.

The low cost advantage of the original equipment manufacturers (OEM) in Taiwan for years undermines the competitiveness. It ‘s not only cheaper products that smart clients looking for, but right products with best value. In the long run, only high value-added product and high service quality are the direction Taiwan manufacturers should move toward. The key point is how the manufacturers can develop new high tech machines to improve the machine quality, machining technology and cost saving, producing competitive components…etc. The high speed machining technology is eagerly to be introduced. The advantage of high speed machining technology and high value-added production contribute to the development of hi-technology, creating business value and employment.

The credit crisis has exposed the risks of an unbalanced economy. These imbalances have also prompted politicians and commentators to consider seriously, the importance of high-value-added manufacturing in a developed economy. Even amid the gloom, however, are some signs of hope. Some governments have unveiled billions of dollars in fiscal stimulus of infrastructure investment, planning to spend on roads, bridges, transit and other infrastructure projects. The demand of industrial machinery, transportation equipment, primary and fabricated metals will further contribute to machine tool market and increase the usage of high speed machining technology equipments.

The opportunities will come to the business which strives to increase its product value and service quality, as well as developing high technology products with features multi-tasking, high speed, high precision, high production efficiency. Thus, the endeavors in R&D and innovation will be the way to success. Buffalo Machinery is developing flexibility in manufacturing and being reliably resilient in market change, by producing custom-made tools which are good value for the end users. Paul Chang April, 2009

Founded in 1978 by Paul Chang, Buffalo Machinery stands the test of time for 30 years in the trade and more than 10 years in machine tool manufacturing. The company has grown to capacity of 7 plants, with a management team that represents some of the most experienced machine tool professionals in the industry.

Department Functions and Managers’ profile

Production: Manager-Andy Lin•Quality and reliability management•Production planning and control, industrial engineering, and operational efficiencyAndy joined Buffalo Machinery since 1991 and he first specialized in quality control. With two decades of experience of manufacturing process examination and machine inspection, Andy implements the industrial required product quality and process requirement and understands the need of market very well. He is now the chief of Production and a key member ofBuffalo‘s executive team. Andy is taking the degree of Master in Electrical Engineering, as one of the decision that Paul would like all the management peoples to study updated technology.“I devoted myself to the career which is not only a job, but also the enrichment of life experience and self-fulfillment by studying lots of interesting stuff and working with different people. Though life is as short as a journey, we should enjoy the sceneries and cherish every moment we have.” ~Andy

R&D :•New product development and improvement •Design and evaluate the possibility of advanced technology•Advanced product engineering and R&D system integrationScott joined Buffalo Machinery in Feb 2001 and is responsible for company-wide product development which includes optimizing machinery designs, speeding innovation, and ensuring the quality of Buffalo 's products and services. “Life is a process of learning. I love to explore myself and pursue the harmony in career, family and interpersonal relationship.”~Scott

General Administration:•Business strategy and policy development •Plan, execute and check organizational quality policy•Cross-department coordination and integration •Human resources management and organizational developmentKim joined Buffalo Machinery in June 2002 and served as administration manager of Buffalo Machinery. He specialized in electrical engineering and served as managers in local machinery factories and had years of experiences of cross-department management. He is now responsible for the business management of Buffalo Machinery, including electronic control planning, after sales service execution, product quality assurance and control. Kim is also taking the degree of Master in Electrical Engineering. “My managerial goal is to accumulate our intangible assets such as technical knowledge and human experience by building SOP and knowledge management system. And we keep on training and practice to make our know- how standardized to every staff. I always do my best in every stage of my life, and yet, never stop learning and grow with my family and friends.” ~Kim

Sales & Trade:•Market & Customer Service--market analysis, forecast and customer demand management•Regional Sales Operations--business development and account services for the North and South American, Europe, Australia, and Asian regionsAs the sales manager of Buffalo Machinery, Sabina is a key participant in determining Buffalo 's sales strategy, product marketing and distribution for 11 years. Sabina is also taking the degree of Master in Electrical Engineering. “My goal is to build a strong organization of Sales dept and to make ourselves stronger to fight. It includes cost down, more staff training, better service for distributors and customer relationship management. We work closely with our supply chain to cut down the cost as possible to compete with competitors worldwide. Our efficiency and fast response to distributors is to ensure best support from Buffalo on pricing, delivery and after service. “~Sabina

Finance:•Finance and accounting services including treasury, tax, asset management, strategic investment, and financial and accounting management•Internal audit, managing invoice and collection of paymentJoan joined Buffalo Machinery in July 2003 and is the chief financial control officer. In this role, she is responsible for increasing the functions of accounting department by internal and external training, executing tax suggestions from auditors, and strengthening their basic mechanical knowledge. “Our greatest enemy is probably not others, but ourselves. We have to improve ourselves at every moment.”~Joan

Andy Lin

Manager-Scott TsaiScott Tsai

Manager-Kim Chen

Kim Chen

Manager-Sabina Chen

Manager-Joan HuangJoan Huang

Sabina ChenSabina Chen

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News room

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Despite of the global economic slowdown, our sales team has a remarkable performance in 2008, which includes:1. After taking part in the Italian BIMU exhibition in Oct, 2008, we began cooperation partnership with the 3rd largest machine tool exporter in Italy. The initial order in 2009 is confirmed.2. Buffalo Machinery has also acquired a channel of a new active distributor in Mexico and aims to increase more product lines in the South America market. And there are some potential distributors under discussion of exclusive distribution.3. Buffalo’s new HBM-5T & HBM-5TE type horizontal milling and boring machine (Model HBM-5T & HBM-5TE) has been successfully launched. This series of product makes our product lines more complete. HBM-5T series has already under commercial production.

Market report

Welcome our new partners! RAIS Ltd. is among the few Bulgarian companies capable of performing complete recycling, repair and modernization of all types of CNC metal-cuttingmachines, including modernization of universal machines into CNC centers. Established in 1994 and located in Pazardjik, Bulgaria, the company initially started its activities with recycling Bulgarian-made CNC machines. In 1996 the production of spare parts for engine and electric forklifts was also launched. The company also developed and manufactured CNC conveyor line for final assembly of car batteries.

Founded in 1990, DIDELON MACHINES OUTILS specializes in selling new and second-hand sheet metalworking machinery, as well as metal working machines. DIDELON also offers his know-how for allowing customers’ machines to meet the CE requirements or rebuilding machine-tools. With 11000 m show-room and 2500 m warehouse, the company can make demonstrations on new machine tools, realize prototypes and study the operability of your projects. Besides, DIDELON MACHINES has the agreement for bringing to the operators the training on the specific technologies equiping the provided machines.

RAIS is a leading Bulgarian company for the production and recycling of CNC machine tools

DIDELON MACHINES specializes in selling new and second-hand sheet metalworking machinery& New CNC Metal working machine.

11000m2 showroom of DIDELON MACHINES OUTILS

Construction of Buffalo’s 8th factory in 2009

Buffalo Machinery had got the building license for 8th plant in Feb, 2009. This new manufacturing facility has an area of 10,000 m and is used for production of large-scale machining centers. The facility will be completed in three phases while the phase 1 will be completed in six months.

Buffalo Machinery has achieved certification to ISO 9001:2000 in 2008. It is one of a series of quality management system standards. Buffalo Machinery was aware of the importance of having an internationally-recognized and proven quality management system (QMS) in place, to demonstrate to customers and staff an on-going commitment to quality and innovation. Our fundamental managing concept is- "Quality is our honor, unclearness is a disgrace".

Buffalo Machinery achieved certification to ISO 9001:2000

Buffalo Machinery has achieved certification to ISO 14001:2004 for environmental management in March, 2009. "This is a major milestone for Buffalo," said Paul Chang, Managing director of the company. "This demonstrates to our customers that we really are committed to reducing our environmental impact and are keen to lead the way to a more sustainable future." ISO 14001 is an internationally accepted standard that sets out a framework of essential elements for putting an effective Environmental Management System (EMS) in place. The standard is designed to address the delicate balance between maintaining profitability and reducing environmental impact. "Those two certifications verify that we are undertaking improvements which not only reduce costs and improve efficiency but also take into consideration environmental issues." said Paul Chang.

Buffalo Machinery achieved certification to ISO 14001:2004

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Global O

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Global Outlook CANADA

It is a bilingual and multicultural country, with both English and French as official languages both at the federal level and in the province of New Brunswick. Technologically advanced and industrialized, Canada maintains a diversified economy that is heavily reliant upon its abundant natural resources and upon trade. It is highly integrated with the US economy, which absorbed 79% of its goods exports and was the source of 61% of its imported goods in 2007. The country’s economic expansion comes from its access to external markets for its products and to foreign capital to finance the rapid development of its infrastructure.

Canada is one of the world's wealthiest nations and the 9th largest in the world in 2007, with a high per capita income, and is a member of OECD and the G8. It is one of the world's top ten trading nations. Canada is a mixed market, ranking lower than the U.S. but higher than most western European nations on the Heritage Foundation's index of economic freedom. With low unemployment and large government surpluses on the federal level, Canada's national unemployment rate was 7.77% in February 2009. Provincial unemployment rates vary from a low of 3.6% in Alberta to a high of 14.6% in Newfoundland and Labrador. In the past century, the growth of the manufacturing, mining, and service sectors has transformed the nation from a largely rural economy into one primarily industrial and urban. As with other developed nations, the Canadian economy is dominated by the service industry, which employs about three quarters of Canadians. Canada is one of the few developed nations that are net exporters of energy. Atlantic Canada has vast offshore deposits of natural gas and large oil and gas resources are centred in Alberta. The vast Athabasca Oil Sands give Canada the world's second-largest oil reserves, behind Saudi Arabia. In Quebec, British Columbia, Newfoundland &

Labrador, New Brunswick Otario, Manitoba and Yukon, hydroelectricity is a cheap and clean source of renewable energy.Besides, as one of the world's most important suppliers of agricultural products, with the Canadian Prairies one of the most important suppliers of wheat, canola, and other grains. Canada is also the world's largest producer of zinc and uranium and a world leader in many other natural resources such as gold, nickel, aluminium, and lead; many towns in the northern part of the country, where agriculture is difficult, exist because of a nearby mine or source of timber. Canada also has a sizable manufacturing sector centred in southern Ontario and Quebec, with automobiles and aeronautics representing particularly important industries. Canada’s long-term economic fundamentals remain strong, but the economy will contract in 2009, weighed down by the continuing recession in the US and other key developed-world export markets. Weak external demand will affect the domestic labour market and lead to a sharp increase in unemployment, and private consumption will also shrink. The commodity-driven boom in the western provinces will be interrupted by falling commodity prices, but these will strengthen in 2011 and help fuel a pick-up in investment and private consumption in 2011-2013.

ccupying most of northern North America, Canada extends from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean. It is the world's second largest country by total area and shares land borders with the United States to the south and northwest. Europeans first visited the eastern coast of Canada as early as the end of the first millennium, lured by the abundance of fish, fur and timber. The North American continent was sparsely populated with aboriginal peoples. In what was to become Canada, some were settled in semi-permanent villages along the Pacific coast and major rivers inland, while others had a more nomadic way of life, their movements regulated by the seasons and animal migration.

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Canada is unusual among developed countries in the primary sector, with the logging and oil industries being two of its most important industries.

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Distribution

"Always give you the best possible value for your money"-Modern Tool.

Modern Tool is proud to be celebrating its 49th anniversary in 2009. It was originally incorporated in Calgary, Alberta, Canada in 1960 as a hand tool and shop supply company employing two people. In 1964 the business was purchased by the current owner Mr. George Senecal in partnership with Mr. Bill Meyer and Mr. Elmer Ormiston. The company’s direction after 1964 moved away from small tools and consumables toward machine tools and metal working machinery lines. In the early 1970’s Modern Tool expanded its operations opening offices in the cities of Edmonton, Alberta also Regina, Saskatchewan and later, Vancouver B.C. Modern Tool currently employs 37 persons in Calgary and Edmonton, and Modern Tool (B.C.) Ltd which has become an independent company based in Port Coquitlam, B.C. (owned and operated by Mr. Peter Baldry) employs seven more. With its head office based in Calgary and branch office in Edmonton, Modern Tool serves all of Western Canada, and also export machine tools to the United States, Mexico, Cuba and Central America. It is now the largest dealer of New and Used Machine Tools and Metal Working Machinery in Western Canada. One of the biggest challenges in today’s market is the shortage of skilled personnel. Modern Tool’s sales staff is comprised of people with many years of machine tool application and service experience to give customers

Mr. George Senecal – President of

MODERN TOOL

Mr. Erwin Knopp - General Manager of

MODERN TOOL

Mr. John Kessler - Manager of

MODERN TOOL

Mr. Mark Senecal - Sales Manager of MODERN TOOL

“While we need good customers, we also need excellent products such as Microcut to meet the quality needs of our customers.” - Modern Tool.

Internal Sales Team of MODERN TOOL

access to a broad base of knowledge. The sales team not only helps users increase their productivity but also help them choose the right piece of machinery for their needs. “Having been in business for almost 50 years, the current economic downturn is neither the first nor probably the last which we will need to weather. But we have learned from those previous turbulent times how to weather bad times. We know that we must ‘tighten our belts’ and save money where we can, but we also must be prepared for the time when the economy will return, and be ready to meet the immediate needs of our customers. “stressed Mr. George Senecal, President of Modern Tool. “A period of slower business activity may have positive effects if we take advantage of the down time. If we

compare our market to a crop grown by a farmer, we know that we need to plant seeds, nurture the crop and then finally harvest the crop. The farmer’s field also needs down time in between growing seasons in order to refresh itself and be prepared for the next season of growth. If we view the current economic downturn as an opportunity to prepare for growth rather than a negative occurrence we will be much further ahead. Now is a time when we may be able to gain extra training for our personnel while they are less busy or gain tools for our personnel and assets at more reasonable prices.” said Mr. Erwin Knopp, manager of Modern Tool. Modern Tool has always appreciated its customers very much. Every customer even the smallest is treated with the

utmost respect. Service is its greatest tool. “ It does no good if we sell a customer a machine and it breaks down.” said Mr. Mark Senecal, Administrator of Marketing. Modern Tool knows that customers cannot afford to have non productive machines. “If we repair their problems as quickly and efficiently as possible, we ensure that the next time they require another piece of equipment, they are more likely to return to the machine tool dealer who always cares their needs.” Mr. Mark Senecal commented. “It has always been our foremost goal to constantly improve the quality of our products and services with the customer in mind.” commented Mr. George Senecal, President of Modern Tool.Modern Tool purchased and sold its first

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Distribution Distribution

Microcut machines as a sub-distributor in first Microcut machines as a sub-distributor in the late 1970s, and a few years later after having found the quality to be very high and constantly improving, began a direct relationship which continuing growing. Modern Tool is extremely proud to place our ‘Modern’ brand name on machines manufactured by Microcut.“Because while we need good customers, we also need excellent products such as Microcut to meet the quality needs of our loyal customers.” added Mr. George Senecal, President of Modern Tool.

Besides offering quality products with the reasonable prices, MODERN TOOL has also built customer satisfaction and loyalty by providing instant installation to training and technical service. Two examples of loyal customers are Inland Machining Services of Calgary, Alberta, and Cantool Industries Corp. of Medicine Hat, Alberta. Cantool Industries is dedicated to providing their customers with a high quality product and / or service in an efficient manner, while meeting or exceeding ISO and API standards. Safety, quality and environmental responsibilities will ensure Cantool Industries ability to serve their customers. Cantool Industries is equipped to supply and service the petroleum industry and commercial industry applications with manufacturing, repairing, and equipment testing. They have purchased several machines from Modern Tool Ltd, manufactured by Microcut – Challenger. Another customer example is Inland Machining Services(IMS), which has been providing machining, welding and mechanical services since 1994. Their capacity in regards to machining ranges from small prototype one off parts to large quantity production runs. Inland Machining Services has a wide variety of machine tools, both manual and CNC, and are capable of turning materials up to 55" in diameter; From their first very MB-20 and BNC-2880XL CNC’s manufactured by Microcut and purchased from Modern Tool Ltd. IMS has grown and purchased several more machining centers and CNC turning machines, all made by Microcut - Challenger.

Customer Loyalty

A series of Challenger machinery

A better tool cutting--

G.J. Engineering is a small modern machine shop. Established in 1993, it has grown steadily to its current size. G.J. Graeme Howard, the owner of G.J. Engineering, has involved in engineering in various applications since 1981. Graeme started a full time business as a jobbing machine shop in a 200 square meter building. The business grew over the next seven years and moved to a 500 square meter workshop in 2002. G.J. Engineering is a diverse engineering workshop that machines complex differentials and differential carriers to simple pins and bushes. G.J. Engineering manufactures a large amount of its own tooling to service the specific needs of its clients. In May 2006 G.J. Engineering purchased a Mitseiki Challenger HBM-4 with the intent to target the machining of differentials for underground mining. This has proven to be a sound business decision and has continued to grow over the past two years to our current loading. G.J. Engineering committed to a second Mitseiki Challenger HBM-4 in April 2007 to facilitate its rapid growth. “As entering 2009, G.J. Engineering is expanding where most companies are retracting or stagnating. I believe this is due in the most part by reinvesting in modern machinery such as the Mitseiki Challenger HBM-4.” Mr. Graeme Howard said.

of company profile, sharing Challengers' Products experience and pictures of people, products. Please send your story and pictures (images in high-resolution higher than 300 dpi ) to your Challenger Factory Outlet. Only English version is acceptable.

G.J. Engineering

G.J. Engineering

Welcome user’s submission

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ProductsThe

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Products

Reshape the world5-axes machiningReshape the world5-axes machining

he 5 axes machine are becoming majority of high speed machining, simultaneous machining, multitasking turn, mills, turning that will also do, drill and tap. Right now there is a lot of focus on automation – doing more with less. Less operators, less machines - anything related that is going to be a popular machine in the 5-axis machining. Besides general application of 5-axis machining on tool and mould making, automobile industries and mechanical engineering, the popular applications of end products are also related to medical engineering, aerospace and oil industries. Let’s see the advantages of 5-axis machining.

First, starting by reducing setups time, the operator can reach up to five sides in one single setup. It can also reduce

stack-up errors by reducing handling and operations. If operator can minimize or eliminate moving a part from one fixture to another, there are gains to be adjusted in tolerance.

Second, improved tool life comes with the ability of using more rigid tools. People think that a number of applications are die and mold industries due to the corners and cavities. To angle the workpiece or spindle which allows tools to be shorter and also feed rate can be more aggressive if tooling and material is allowed. Another advantage is the shorter of cycle time.

5-axis machine can also deal with complex parts, from solid rather than soft material for low-volume or prototype production, from aluminum to steel, even titanium.

5-axis machining technology is more recognized by operator as means of reducing the overall machining progresses, working time and with higher tolerance. Microcut/Challenger is proud to announced it’s 5-axis gantry type machining center MCG-5X. Incorporating trunnion style tables, it offers the stability and rigidity needed for a variety of 5-axis applications. Advanced Gantry construction and most powerful structure is developed to achieve the best working conditions. 5 axes continuous working is provided by high dynamics form tool motion (3 axes) and working piece motion (2 axes). Both rotary axis of table are driven by high torque built-in motors.

Two choices of the working table available are 630mm or 800mm. The X-, Y-, Z-axis provide strokes up to 670mm, 820mm, and 600mm. Rotary table axes A and C provide rotational motion of +125 to -100 degree on the A-axis and a full 360 degree on the C-axis. The MCG-5X can be capable of rapid feed up to 60m per minute. A wide selection of spindle can be equipped, they are 18000rpm or 24000 rpm high power core cooled built-in spindle, in-line 10,000~15,000 rpm mechanical spindle. The machine features roller linear guides across all axes for rigidity structure. Y-axis with double linear measuring scales to perform high accuracy. Z-axis traverse strongly fixed with 3 roller guidways which is pattern registered. With 3 roller guide ways, the headstock is well clamped from three sides. This will ensure the headsock vibration free from the cutting force.

T

Easy workpiece loading

A. C axis torque motor

+Z

+Y

-Y

+X-X

-Z

-A

-C+C

+A

The MCG-5X can take workpiece weight up to 12000kgs. With such heavy workpiece, it’s so important that we provides great operator access to the work table for machine interaction and setup purpose with a ceiling opening to allow easy crane access to the center of table. Operator can load/unload their jobs easily and reduce setup time.

Automatic operation

Moreover, the machine can be easily upgraded for automatic operation with robot or a smart auto-loading/unloading system which is under developing. For the tool calibration and set up, a BLUM laser tool probe is introduced on machine to perform quick and accurate tool setting. The Heidenhain working piece probe is offering the finish inspection which reduces job procedure and cycle time. With these applications, machine is fully automatic operation, which offers customers high efficiency and productivity.

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R&D Zone

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A New Compensation Technique of Ball-screw Thermal Expansion Paul Chang, Managing Director of Buffalo Machinery

I. INTRODUCTION

A. Background Ballscrew thermal compensation has been proven to be one of the most effective methods to ensure the accuracy of machine tool production. However, two major obstacles limit this application, the effectiveness and reliability of the thermal gathering device, along with the lengthy calibration task that the compensation must be applied. As it becomes difficult to obtain accurate temperature readings from any given source and its' related components, a new solution to the approach of ballscrew compensation is needed to overcome the deficiencies of the current methods. Most of the tensioning device is provided for the ballscrew. The backlash compensation of a machine tool is set under a no-load situation, and an experienced machine tool technician can extrapolate a good compensation value for a loaded condition with reasonable accuracy. But there still can be up to 12 – 18µm tolerance of roundness. This is typically acceptable, but is never perfect in some applications, such as high grade mold and die work, Automobile industries, aerospace etc., these require a higher level of accuracy. Fig. 1 shown a ballbar test report of a traditional pretension placed.

B. Ballbar test This test was performed on a Challenger high speed vertical machining center. This machine with a linear construction way meets the higher speed movement application. A ballbar test without thermal compensation is shown in Fig. 1.

In Fig. 1, a tolerance of circularity is 18.1µm, which was achieved with a Hollow Shaft Oil Cooled ball-screw system, and pretention placed.

C. Ball-screw cooling system Many recent technologies utilize the cooling system for the ball-screw. A hollow shaft ball-screw is used on the machine. An external chiller unit (Fig. 3) is plumbed to ball-screw and circulates chilled oil through the screw to maintain a constant temperature. Figs. 2 and Fig.4 show the design of a chilled ball-screw and the joint unit. Fig. 5 shows the accuracy performance of a chilled ball-screw. It gives a nearly 3µm tolerance of a travel in movement distance for 640mm, and the curve shows tolerance across zero point (from plus to minus). This curve tells that the tolerance is far from linear while it is pretention loaded and oil chilled.

R&D ZONER&D

ZONE

Thermal expansion affects the reliability and accuracy of a machine tool, especially when it relates to the High Speed Machining (HSM) technology. When axis speeds increase, the effect of thermal expansion of ballscrews will create large positional errors of the axes. In this article, a piezo-integrated actuator and a load sensor are placed on the machine ballscrews, and the feedback from this arrangement becomes an ideal source for compensation of backlash and thermal expansion. This smart unit provides excellent performance of tolerance, the roundness test report reduced from 18.1µm to 10.00µm, and large cost savings in the manufacture of the machine tool.

Fig. 1. Ballbar test report of a traditional design

Fig. 3. External chiller unit

Fig. 4. Joint for hollow ball-screw

Fig 2. Hollow ball-screw. The chilled ballscrew design is effective, but there are several issues that make this model less than ideal value. Coupling issues from the chiller to the ball-screw are unreliable, such as leakage that can be mixed with cutting oils, it will diminish tool life and cause environmental problems. Moreover, the overall costs of the chiller unit and maintenance remain high as well.

D. The cost study of chiller unit The expensive cost of joint at each ball-screw and the hollow shaft ball-screw are 15% - 20% higher than a traditional ball-screw, as well as the chiller unit itself. Service costs are also a problem with this design. The chiller design will also require experience technician to do properly temperature settings to maintain even temperature control. Cooling oil will also need to be replaced on regular intervals. Table 1 shows the cost breakdown of a chiller system.

A. Mechanical layout and load control An updated technique by putting one measuring unit has been placed at the end of the ball-screw as shown in Fig. 6. Pretension of ballscrew has been removed, which is to ensure the thermal growth approach is applied to one direction only. This will ensure that the PLC compensation can be applied to the entire extention of the ballscrew.In this proposed model, a Displacement Measurement Meter is placed at the end of the ballscrew, see Fig. 7. The feedback from this unit will be evaluated for compensating the backlash of the ballscrew. This smart solution offers excellent performance and considerable cost savings in the manufacture of the machine.

B. Eddy current Eddy current is a phenomenon discovered by French physicist Leon Foucault. It says when a conductor moving in the magnetic field generated by a stationary object will experience charges. According to Faraday’s law, this relative motion can cause a circulating flow of electrons or current governed by the flowing equation:

Fig. 5. Laser sample of ballscrew tolerance.

TABLE I

COMPONENT COST OF CHILLER UNIT

Item Cost US$Hollow Ballscrew with chiller

1

2

3

4

Hollow Ballscrew 3 x 200.00

Joint & Parts 3 x 500.00

Chiller 400.00

Piping 240.00

Total 3,940.00

II. MODEL DEVELOPMENT & SIMULATION

Fig. 6. Free end ballscrew with Sensor layout.

Fig. 7. Ballscrew with a measurement sensor

V = L ---Ldidt

................... (1)

SENSOR

S=1:2.5

A

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R&D Zone

TheR&

D Z

one

The

R&D ZONER&D

ZONE

The Foucault current equation is given as below:

where wt is the phase at time t.

The output characteristic of the displacement sensor is shown in Fig.10(a). The load transient response is shown in Fig. 10(b). Functionally, the measuring range of 0.1~0.6 mm is only used, which lies in the linear portion of the curve.

i = ----- = ------------ ........................... (3)V i V i

R Rsin wt1

V = V x ---------------------------- ...........

...........................

0

221

i

1+---------(C + C )AC1

1(4)

where is induced voltage in volt L is the value of inductance in henries. is the rate of changes of current in

It is extremely important to know the characteristic of the depth of penetration and the density of current. Fig. 8 shows the penetration. It gives a narrow range of area to be measured.

This penetration depth is given by:

where∂ is the depth of penetration (mm).ƒ is the test frequency (Hz)µ is the magnetic permeability (H/min.)Ó is the electrical conductivity.

C. Voltage amplifier A simplified model of the voltage amplifier is shown as Fig. 9

∂ ≈ -------------- ........................... (2)

V L

didtAmp. per sec.

Fig.8. Penetration of Foucault current

√πƒµÓ

1

Fig. 9. Simplified voltage amplifier

Fig. 10 (a) simulator Fig. 10 (b) measured voltage

Fig. 11 shows the output response of the current and voltage of the amplifier. It shows no timing delay. Thus, the amplifier meets the requirement.

Fig. 11. Voltage and current responses

III. EXPERIMENTAL RESULT

A. Ballbar Set-upFig. 12 show Ballbar test on a Challenger brand Vertical Machining Center. The new model save a lot of assembly time as there is no ballscrew pretention placed. The free end ballscrew allowed all extension measured by measurement sensor. B. Ballbar testFig. 13 shows a roundness value of 10µm, which is measured from the new model, it shows a big improvement of the tolerance.

IV. CONCLUSION

The new model utilizing a Displacement Measurement Meter performed considerably better than traditional chilled ballscrew systems. From the test reports, circularity test results improved from 18µm to 10µm. Additionally, this new model offers considerable cost savings over the traditional hollow screw systems.

Fig. 12. Ballbar set-up

Fig. 13 Ballbar test report of the proposed new model.

Depth

Density

Standard Depthof Penetration

1.000.0

3.00

5.00

0.5 1.0

4.60

3.80

3.40

2.60

1.80

4.20

2.20

1.40

0.1 0.2 0.3 0.4 0.6 0.7 0.8 0.91.04

3.00

4.55

4.34

3.78

3.41

2.59

1.80

4.08

2.18

1.42

OUT

PUT

V

ATA

V

D

GAP mm

Vi

i

TR C1 R1

R30V-A

C2

R2

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From the idea to the precise form

Application

Productivity in motion

Application

Information contributed by SINUMERIK, SIEMENS

Whether in the automotive industry, consumer goods or power engineering, the rising demand for different molds and more varied design has led to enormous growth in tool- and moldmaking. For users, it is increasingly important to get from the initial idea to the finished mold quickly and precisely if they want to stay ahead of the competition. High-speed machining reduces the demands to a common denominator. You’ll realize a time saving of up to 20% with right control solution for five-axis machining as compared to other solutions and with outstanding precision and surface quality.

Success factors for tool- and moldmakingCrucial to success is the consistent use of CAD/CAM systems and an optimized CAM-PP-NC interface for activating a right control functions for high-speed machining.

Functions for more performanceThe right computer numerical controls (CNC) possess a range of outstanding functions that simplify day-to-day tasks such as the production of models, metal forming tools or injection molding tools many times over. Thus, this CNC can be applied to all aspects in tool and moldmaking – from development, through model-making, moldmaking, sub-contracting and prototype building.

Made-to-measure for tool- and moldmakingA smart controller offers you exactly the right solution for your production tasks in tool- and moldmaking. The requirements of many sectors and technologies have already been integrated into the equipment at the development stage for maximum efficiency and performance. A smart controller enables a simple, modular system configuration, flexible operating concepts with a uniform structure for operation, programming and visualization, as well as fast startup.

Error compensation for precise machiningWhether you‘re talking Advanced Position Control (APC), quadrant error compensation, multi-dimensional pass compensation or temperature compensation,An improved smart controller can compensate for errors and provide even more precise machining. The result is even higher surface quality and increased productivity.

Finding the right production strategy for the tool and mold component

Different molds require different machining operations. This often presents you with the decision of which production strategy to use: three axes, three plus two axes or five axes?Evenly convex, curved free-form surfaces are usually produced with three controlled axes. However, in the case of deep cavities or frequent curve changes, five controlled axes are required.

Three axes with constant orientationIn the case of controlled path axes X, Y, Z, the orientation of the cutter does not change along the entire cutting path. Cutting conditions at the tool tip are never optimal.

The formula: three + two axes In the case of three controlled path axes X, Y, Z plus two fixed rotary axes, e.g. A and C of a table, the orientation of the tool or the table position can be changed, for example, by retooling. Cutting conditions deteriorate the further the tool tip moves up or to the side on the workpiece.To achieve optimal cutting conditions, the table is swiveled. To machine a free-form surface completely, it is often necessary to swivel the table several times in different directions.

Optimal cutting conditions with five axesIn the case of three controlled path axes (X, Y, Z) and two controlled rotary axes (e.g. A and B), the clear benefit is that the orientation of the tool over the entire path can be optimally adjusted synchronously with the linear movement. Therefore, optimal conditions apply on the entire path.

Five-axis machining of complex milled part

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Key Component

Key Component

BALANCED SEALING

Springs located out of the fluid flow

Tungsten carbide to carbon graphite seals are used for clean water, steam, air, vacuum, hot oil application. Tungsten carbide to tungsten carbide seals are used for application with poor filtering water, hydraulic oil, coolant, abrasive fluids. The seal faces are micro-lapped fo r a per fec t mat ing . The Rotof lux balanced design keeps the specif ic pressure, on the seal faces, constant regardless of the fluid pressure.

Three springs provide the calculated constant force required for the most appropriate specific pressureon the seal faces. The springs made with inox steel are located outside of the fluid flow to avoid pressure drops, turbolence and eventual vibrations and noise.(fig.1)

Single passageAPPLICATION EXAMPLES

Double passage stationary siphon

Double passage rotating siphon

8

Mounting with rotor pilot for high speed applications.

MOUNTING EXAMPLES

In the shaft mounting for minimum overhang.

Mount ing with rotor f lange for both clockwise and counter clockwise rotations.

Mounting with siphon splitted in two parts for application with long siphon or high speed rotations.

FOR HIGH SPEED APPLICATIONS

Labyrinth to protect ball bearings

SpringTungsten carbide seal

O-Ring

Vent hoieKeyStainless

steel rotor

Microlapped and balanced seals

1 PASSAGE, SIZES 1/4" AND 3/8"The unions of the models A and B are used for the passage of cooolant through the machine tool spindles rotating at high speed. Well balanced seal assemblies model D, in tungsten carbide against tungsten carbide al low a low fr ict ion torque and long l ife even with a poor filtration of the coolant. Models A08 and B08, very short, are provided with a central spring. Do not use the unions at max appl icat ion l imis wi thout consul t ing ROTOFLUX.

FOR HIGH SPEED APPLICATIONS AND DRY RUN

Labyrinth to protect ball bearings

Tungsten carbide sealVent hoie

KeyStainless steel rotor

Microlapped and balanced seals

1 PASSAGE, SIZES 1/4"AND 3/8" The unions of the models A and B are have been designed for machine tool spindles rotating at high speed with fluid passing through or dry when needed. The seals, balanced and microlapped, remain always closed without problems both with flud passing through (wet run) or without fluid (dry run). Do not use the unions at max application limits without consulting Rotoflux.

FOR HIGH PRESSURE AND HIGH SPEED APPLICATIONS

1 PASSAGE, SIZES FROM 1/4" TO 3/4"T he un i o ns o f mo d e l C a r e use d i n applications with high pressure and high rotation speed. A special double row bearing and the balanced sealing allow to operate at high pressure without any problem. Model D (heavy duty) seals in tungsten carbide to tungsten carbide, are mÏcrolapped for low friction. Allthe parts in contact with the fluid, made in stainless steel, allow to use the unions with many different fluids including water. Do not use the unions at max application limits without consulting Rotoflux.

Tungsten carbide seal

Vent hoie Spring

KeyAngular contact ball bearing

Stainless steel rotor

Microlapped and balanced seals

Stainless steel housing

INSTALLATION INSTRUCTION

12

3

4 NO

NO

SÕYES

SÕYES

Despite the Rotary Union itself quality and reliability, the careful installation and right fitting is the other factor to remain the u n i o n l i f e . A p r o p e r i n s t a l l a t i o n i s suggested to proceed as follows:•Make sure that the fluid system, when new, has been properly cleaned and made free from any machining burr or abrasive particle. In existing fluid system make sure that the f i l ter qual i ty and functionality are in accordance with the normal requirements of hydraulic systems.•Clamp in a bench vice the rear of the union and screw up the f lexible hose (sketch 1).Do not use solid pipes.•Install the rotary union on to the shaft (sketch 2).•Connect the flexible hose to the supply line. Make sure that the union is not installed taut (sketch 3). When using metallic flexible hoses in short space with sharp curves, use rigid 45 or 90 elbows to avoid undue stresses (sketch 4).•Check that the union does not rotate eccentric or wobbling.•If the fluid is hot or danger ous for any reason, apply a union guard.•When required, lubricate periodically the union. Inspect periodically the union to service it and detect any leakage.

FOR HIGH SPEED, MACHINE TOOLS APPLICATIONS

This kind of ROTOFLUX unions are used to cool the spindless of the machine tools. The VERY speciai design allows to keep at the minimum the space required for their instal lat ion. For further informations please fill the application sheet.

The rotary unions is the “heart” of the coolant through spindle device. With the application of CTS on high speed machining which is very important in today’s cutting technology, the quality, reliability and technology of rotary union affect the key performance. Here, we will introduce “ROTOFLUX”, one of the market leader in the field of rotary unions used on Microcut/Challenger’s VMCs and its important features.

---Rotary Unions

(fig.1)

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FAQ

FAQ

Trouble shooting

Mechanical adjustment of tool changing position on VMC (for 24 Tools CAM type magazine)Generally speaking, tool changing position adjustment is applied under the following conditions:•Z-axis servo motor been removed during transportation. After re-assembling Z-axis motor, the tool changing position needs to be re-check and set.•When spindle is retrofitted.•When ATC ARM is retrofitted.•After change spindle motor belt (on belt- driven spindle). Firstly, the mechanical part adjustment is recommended and then you should set up the parameter. The Tools required are (1) 3-section gauge, (2) Hexagon wrench: 5mm, 6mm, 10mm. The procedure is recommended as the following steps.

Mechanical part adjustmentStep 1 -- Use the clean cloth and detergent to clean the inner of the spindle taper and the body of 3-section gauge. Manually get 3-section gauge inserted into the spindle (Fig.1), then give the command to let the spindle rotate by M25 for spindle orientation.

Step 2 -- Use hand wheel or under jog mode to let Z-axes rise to the top (maximum point).

2) Use wrench to let the shaft of ATC motor move clockwise or reverse to let the arm move toward the spindle till the arm stopped (see Part 2 of Fig.3) [Watch out the sensor in front of ATC CAM and make sure the one of three lights is on.] (Fig. 4)

Fig.4

Fig.3

Fig.5

Fig.6

Fig.2

Fig.1

Step 4 -- Insert the arbor of 3-section gauge into the arm, and make sure the gauge steadily and correctly fit on the arm, then tighten the gauge by pushing it upward.(Fig.5)

Step 5-- Let Z axes descend, and manually make the spindle key rotate to the corresponding position (tool clamp degree), and then descend Z axes again to make the spindle close to the middle of the 3-section gauge, but keep about 0.5mm distance for light to pass through. (Fig. 6)

Fig.7

Step 6-- Use one finger to confirm the deviation between ATC and spindle. [Please use both left hand and right to confirm, and ensure your fingers are clean enough.] (Fig. 7)

Fig.8

Step 7-- If act of leaning is dose to left or right (when the operator faces to the machine), please open the left-hand side window, and then you can see the adjustment kit as Fig 8.

Step 3 -- Manually make the arm stay underneath the spindle. 1) Loose the braking releasing bar (see Part 1 of Fig.3) of ATC motor to release the braking as Fig. 2 and make the arm stayed underneath the spindle by manual

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Fig.9

Fig.11

Fig.10 Fig.12

Step 8-- If act of leaning is close to front or rear (when the operator faces to the machine), please open the rear cover as Fig 10, take the pin (part C) apart by 10mm Hexagon Wrench, and loosen six screws (part B). Then, use 5mm and 6mm Hexagon Wrench to adjust ATC to front/ rear for adjusting the adjustment kit (part A).

Step 9-- After finishing all, use the test bar to make sure the position of spindle and ATC by going through the spindle (Fig.11), and maker sure no interference between the spindle and ATC. If the deviation still exists, repeat the step 7 and 8 as above to adjust the corresponding position of spindle and ATC. After everything is correct, tighten all screws with the same force. Then, check the corresponding position of ATC and spindle again to make sure everything is correct without interference.

Step10-- At last, move the braking releasing bar of ATC motor back to the slot/ original position. (Fig. 12)

ATC Software setting and spindle orientation (with Fanuc Controller)

Please refer to the procedures as below.A. Be sure all axes had returned to zero point firstly.B. Execute spindle orientation record and procedures as the following:

STEP 1(1) Select and turn to “hand wheel” mode under the right side of the operation panel. (fig.1)

(2) Press “spindle orientation” function key in the operation panel. (Fig.2)

Fig.1

Fig.2

Fig.3

Fig. 4

(3) After finishing spindle orientation, press “RESET” function key in the right side of FANUC operation panel. You can see the spindle angle(fig.3).

Then, you should Move Z axis to safety position. For CAM type ATC, release the arm motor brake and use screw driver to turn motor shaft clockwise. Make arm turn to spindle side about 60 degree. For Rack type ATC, press the cylinders valve for turning arm to spindle side about 60 degree. (Fig.4)

Turn the arm 60 to 0 Turn the arm 0 to 60

12

A

B C

Then, open the rear cover behind the machine (Fig.9) and loosen the screw (see part 1 &2 in Fig.10) Use 5mm and 6mm Hexagon Wrench to adjust the left/ right movement of ATC.

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FAQ

Fig. 5 Fig. 6

Fig. 7 Fig. 8

Turn the arm 60 to 0 Turn the arm 0 to 60

Turn to hand wheel mode under the right side of operation panel. Press “spindle stop” key and “Z-axis function” key to move Z axis into correct ATC change position and record the position. Turn manually the spindle to correct angle for ATC arm and refer to STEP 2-spindle orientation checking to find the value and record it.

STEP 2(1) Select and press the “SYSTEM” function key. (fig.5)

(2) Under the left bottom of the screen, select and press “DGNOS” menu key. (fig.6)(3) Key in “445 “then press “NO.SRH” menu key. DGNOS# 445 is for displaying the current spindle position. When the operator is adjusting spindle position manually, he can see the value from the screen. (Fig. 7)

For CAM type ATC, release the arm motor brake and use screw driver to turn motor shaft counterclockwise. Make arm turn to magazine side about 0 degree. For Rack type ATC, press the cylinders valve for turning arm to magazine side about 0 degree. (Refer to Fig.8) Please refer to STEP 3-spindle orientation modification. And reset spindle orientation by parameter 4077.

STEP 3(1) Under the right side of the operation panel, select and turn to “MDI” mode. (fig.9)(2) Press “SYSTEM” function key at the right side of the operation panel. (Fig.10)

Fig.9

Fig.10

Fig.11 Fig.12

Fig.13 Fig.14

(3) Press “PARAM” menu bottom at the left side of the operation panel and enter the parameter screen. (Fig.11)(4) Enter “4077” then press “NO.SRH” menu key at the left side of the operation panel. Parameter# 4077 is for setting spindle orientation. Please set the value which you got from DGNOS 455 of procedure 2. Please refer to STEP 4 ATC change position checking & modification. And check and reset correct spindle Z-axis tool changer position.

STEP 4-(1) Select and turn to “MDI” mode under the right side of the operation panel.(2) Press “SYSTEM” function key in the right side of FANUC operation panel. (Fig.13)(3) Press “PARAM” menu key in the left side of FANUC operation panel. (fig.14)

(4) Enter “1241” in the number keyboard and then press “NO.SRH” menu key under the left hand side of FANUC operation panel. Try to find parameter# 1241, X: 0; Y: 0; Z is spindle Z-axis for ATC change position. Please set this parameter 1241 by the value from the point 6 of “Procedures of CAM type and Rack type ATC tool changer position and spindle orientation adjustment on Fanuc controller”.Finally, please put tools on the machine to test if the tool change position & spindle orientation are correct.

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EventThe

Even

tThe

About TIMTOSThe biannual Taiwan International Machine Tool Show (TIMTOS) was held during March 2 to 7 in the newly built Nan Gang Exhibition Hall and classic space in TWTC (Taipei World Trade Center) Halls. In general, the number of overseas visitors was more than expected. Most of the visitors were existing customers or distributors while others were new customers looking for Taiwan suppliers. The 895 exhibitors occupied 4,871 booths, 26% and 75% increases respectively on TIMTOS 2007. In addition TIMTOS 2009 welcomed nearly 39,000 domestic visitors, 37% increase on the TIMTOS 2007. There was also an impressive 4,232 overseas visitors at the show, 1.2% increase and an achievement largely due to the aggressive promotion by TAITRA and the Ministry of Economic Affairs’ overseas representative offices and the endeavors of TAMI (Taiwan Association of Machinery Industry) who all went out to publicize TIMTOS at other leading international exhibitions around the world. The largest contingents of overseas participants were from China, Japan,

Korea, Malaysia and the U.S. respectively; buyers from emerging markets accounted for around 30% of the total. Exhibitors reported strong interest from buyers and most felt their participation in TIMTOS 2009 had been well worth the effort.

TIMTOS 2009 in Figures :EXHIBITORS :895 (Local:678, Foreign :181, International Associations and Trade Media :36)NUMBER OF BOOTHS :4,871 (Local :4,012, Foreign :804, International Associations and Trade Media :55)EXHIBIT SPACE : Gross: 82,700 square meters, Net: 43,700 square meters

EVENT

Buffalo in TIMTOS 2009Story by Trista Li, Leo Yuan and Sarah Chen Photos by Paul Chang and Jerry Tang

The 351 M exhibition space of Buffalo Machinery is the second large in TIMTOS exhibition. 85% of our distributors attended the show and also we had many new visitors during the show. 305 visitors from the world talked with our sales representatives and 13 companies had further discussions. 7 companies from different countries are interested in further cooperation with Buffalo Machinery.

Four years ago, Buffalo Machinery launched HBM-4 borer successfully and showcased the machine in TIMTOS 2005. The popularity of our design can be found from the similar products displayed by other manufacturers in TIMTOS 2009. Our design concept also resembles the trends of Taiwan’s machine tool industry in TIMTOS 2009. The manufacturers have been developing multi-axis & multicuting purpose machining center and large scale machine tools. The key products of Buffalo Machinery at TIMTOS include: HBM-5T T-type milling and boring machine, MCG-5X 5-axis machining center, Dual-500 twin spindles, twin turrets CNC Lathe. The main product applications of Buffalo focus on Aero Space, Oil Industries, Power Industries, Solar Industries…etc.(Ex: MCG-5X, BNC-5000/6500 series, High speed machining center V-20/V-26/V-30 series, Dual-500.) Most distributors have strong interest in those products.

Buffalo Machinery has two important features in TIMTOS 2009 such as introducing a full range of Mini-series CNC Lathes & Vertical machining centers and offering a competitive price. Buffalo aims to attract more customers during the financial ordeal and to enter the “training school” and “newly found production plant” market.

VISITORS IN FIGURES:

2

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EventThe

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Buffalo Machinery in TIMTOS 2009

•V-20 High speed machining center to complete our HSM line, X travel range from 800/1000/1200mm. •MCG-5X5 axes machining center with built-in spindle. •BNC-1860 w/ Siemens, to show Siemens new controller, 802D SL with manual machine plus function•BNC-65240New product with 1.3 and 1.6M swing over bed. •Dual 500Twin spindle and twin turret lathe. •MM-400Mini machining center•MicroPanther 446Mini lathe•VMC-1600FNew product for Buffalo F line.

•115SPTSlant bed lathe with 45 degrees one piece bed. •HBM-5T130mm quill diameter borer.

EVENT

Voice from visitorsMost distributors were happy to see these new products and also had further discussion with us for new product improvement. We did appreciate our distributor to let us know the voice from users, this is very important to make our product fully market-oriented.

We are very impressed with the Buffalo F-line (MM series, MicroPanther446)by its competitive price !!

Buffalo surprised me every time, especially lots of new models in TIMTOS…

Very impressive machine, I love the MCG-5X in my plant…

Dual 500 is another high-techproduct for complicated multiple axes simultaneous. It pushes Buffalo product into another high end level...

This MCG-5X(UMC) machine is doing real cut at booth and the performance is really good in 5 axes application…..

Happy to see the new T- type HBM-5T coming out to let us have wider range of Borers……

The MM series and Micropanther are best foreducation, general machiningshop and mould industry.....

BNC-65 is very suitable for the potential customers who make the shaft of windmill.

The Challenger magazine is very eye-catching and best promotional publication, we can’t wait to share our own story…...

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EventThe

Happy hour with our distributors !!

Professional sales & service personnel of Buffalo Machinery

Paul Chang met Honorary Chairman Dr. Eng. Seiuemon Inaba of FANUC

Exhibitions

Buffalo Machinery

James Machinery

Milltronics

Fermat Machinery

MEGGATONMaquinas e

Equipamentos

TM-Tech

Total CNCProducts

MATER S.A.

Dugard

DistributioncompanyTitle of Exhibition

METALTECH2009 & MTA

Malaysia

Eastec (Milltronic& MECI) USA

MSV NitraCzech

FEIMAFEBrazil

TECHNOFORUMMETALLOOBRABOTKA

Russia

SouthMACH 2009New Zealand

MATEROpen house

Portugal

DugardOpen house

UK

Date is notfixed yet

Austech 2009Australia

6-10 May

12-15 May

19-21 May

19-22 May

18-23 May

25-29 May

27-28 May

6-10 July

May

July

September

Period2009

FERMAT

IGO

RAIS

Dugard

Lee Walker

Volz

SMT

PARETZOGLOUS.A.

DistributioncompanyTitle of Exhibition

MSV BrnoCzech

TOOLEX 2009Poland

VOLZOpen house

Germany

Index ExhibitionGreece

Metalex 2009Tailand

International FairPlavdiv Bulgaria

EMO 2009Italy

CMTS 2009Canada

14-18 Sep

23-25 Sep

28 Sep~3 Oct

5-10 Oct

19-22 Oct

5-7 Nov

5-8 Nov

19-22 Nov

October

November

Period2009