Roller Conveyor Machines Type RRB - Metal Finishing · PDF fileRösler Roller Conveyor Machines Type RRB ALL ... Integrated blasting/painting is possible by expanding the shot blaster

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Roller Conveyor MachinesType RRB

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Rösler roller conveyor shot blast systems are used for de-scaling, de-rusting, paint removal, paint preparation and general cleaning of metal sheets, pipes/tubes, I-beams and weldments. Optimumblast results are achieved on thin gauge aluminum profiles as well as on heavy steel profiles and steelslabs. Standard roller conveyor machines can process parts from 2 ft to 16.5 ft width with roller con-veyor speeds from 1.6 to 13 fpm. High performancesystems allow parts speeds of up to 24.5 fpm. Thequantity of blast wheels and their position ensuresoptimum blast results. The thrown blast media is col-lected with screw conveyors and transported to themedia hopper through an elevator, screen drum or til-ting screen and air wash separator.

The machine width, number of blast wheels and theirlocation is determined by parts size and productionspeed. Standard systems are used for processingmetal sheets and beams. Standard systems are frequently modified to allow processing of weldingconstructions of different sizes and geometries.

Quality – made in Germany...

For Rösler the word quality has deeper meaning than just fault - free, reliable and durableproducts. Quality is an essential part of our work philosophy and is expressed in the personal sense of duty and quality found in each of ouremployees. Certification according to DIN ISO 9001 isliving proof of our commitment to quality.

Rösler Roller Conveyor MachinesType RRB

ALLRÖSLER MACHINESAND UNITS HAVE THEGS AND CE MARKSgeprüfte

Sicherheit

Applications

Surface preparation Beams, metal sheets, pipes/tubes, slabs, welding constructions

Smoothing Pickled or eroded surfaces, machining lines, etc.

Decorative blasting Light metals, stainless steel, copper, brass, etc.

Peening Parts exposed to high stress, torsion bars, etc.

De-burring Flame cut, sawed and stamped parts

Integrated blasting/painting is possible

by expanding the shot blaster with a

paint line

� Hurricane®-blast wheels An essential feature of the Rösler shot blast systems are the high performance Hurricane® blastwheels: Their quantity, position and performance along with the geometry and dimensions ofthe blast cabinet ensure optimum blast results.

� Dust collectors Separate or integrated systems -- dry or wet systems -- with or without explosion protection!Rösler offers a wide range of dust collector models which incorporate the latest dust collectingand separation technologies. Rösler offers dust collector solutions for any shot blast application.

� Modular equipment designs Rösler roller conveyor shot blast systems can easily be expanded to fully automatic preservation (paint) lines. Painting of the parts is frequently required to put a corrosion protection coating on the blasted parts. There are special shop primers which provide a corrosion protection coating for up to 6 months.Roller conveyor shot blast/preservation lines can easily be integrated into existing manufacturing processes. Corrosion protection is particularly important for ship yards, because long manufacturing cycles require extended temporary corrosion protection.However, steel dealers, steel mills and steel fabricators are more and more utilizing suchpreservation technologies.

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Rösler Hurricane ® Blast Wheels

Blasting media is fed through a central feed tube into the high speed rotating blast wheel. The centrifugal force,of the rotating wheel, throws the media at the components to be blasted at speeds of up to 300 ft/sec. Thedesign of the blades, insertion point, and the speed of the blast wheel determine the processing results in conjunction with the blasting media. In order to achieve an economic utilization of the blasting media, theamount of blasting media and the transfer to the blast wheel blades can be easily adjusted. The blast mediaflow is either fixed or can be adjusted automatically through the PLC/control panel. A clam shell valve controls

the media flow from the media hopper to the blast wheels. The blast pattern – e.g. position of the hot spot – can easily be adjusted from outside of the blast wheel. The blast wheelspeed can be adjusted with a frequencyinverter thus allowing gentle or very aggressive blasting.

Date: 11/07Tool steel, alternative: carbide

Drive power (hp)

7.510.015.0

7.510.015.020.0

15.020.025.030.040.0

30.040.050.060.0

Type/wheel diameter

Hurricane® 28

Hurricane® 32

Hurricane® 42

Hurricane® 52

Blast Wheels

shot blasting media

Hot-Spot

Shot blasting pattern

Component

Area covered by

Blasting profile

Blast Wheel Hurricane ®

Blast Wheel Hurricane ® H 28/32/42 with 6 bladesBlast Wheel Hurricane ® H 52 with 8 blades

Technical features of the Hurricane ®Blast Wheels� High blast efficiency and performance� Long useful blast wheel life� No internal fixturing of blades� Easy accessibility and easy replacement of the blades� Direct drive blast wheels with special motor bearings means less spare parts and less noise� Blades, impeller unit, control cage, available in full tungsten carbide steel (option)� Blast wheel can operate clockwise or counter-clockwise� Blast wheels available with a diameter of up to 20.5 inch� Blast wheel cover protected with safety switch� Massive welded steel housing� Short spare part delivery times� Easy to replace wear liners (chilled cast iron and/or doubled hard metal steel) in the housing

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Rösler Roller Conveyor Machines RRB

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3/08

1 Special designs and higher blast wheel power upon request. 2 Sled for removal of blast wheels available as an option.

Technical data: 1 RRB 11/5 RRB 16/5 RRB 22/5 RRB 27/6 RRB 34/6 RRB 42/6 RRB 52/6

Parts rangebeams, metal

sheets,pipes/tubes

beams, metalsheets,

pipes/tubes

beams, metalsheets,

pipes/tubes

beams, metalsheets,

pipes/tubes

beams, metalsheets,

pipes/tubes

beams, metalsheets,

pipes/tubes

beams, metalsheets,

pipes/tubes

Max. Parts width (inch) 40 60 80 100 128 160 200

Max. Parts height (inch) 20 20 20 24 24 24 24

Load limits by weight (lb/linear ft)

402 402 670 1,006 1,341 1,341 1,341

Blast wheels and power (hp) 2 4 x 104 x 15

4 x 154 x 20

6 x 156 x 20

6 x 156 x 206 x 30

8 x 208 x 30

10 x 308 x 30*

*for sheets only

12 x 3010 x 30*

*for sheets only

Machine length without blow-off/brush-off (inch) 142 142 165 165 165 165 165

Machine length with blow-off/brush-off (inch)

244 268 276 299 299 299 299

Machine width (inch) 79 114 150 189 217 244 272

Machine height (inch) 213 220 256 315 315 354 354

Air volume dust collector (cfm) 2,840 4,250 5,670 8,500 11,335 14,170 17,000

Foundation required No No/Yes Yes Yes Yes Yes Yes

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Technical details of the RRB

Rösler RRB machines combine innovative design with provenmachine components. This ensures high reliability for the mostdifficult applications. Feed rates up to 24.5 fpm with our highperformance special machines.

Patented sled for easy removal of the blast wheels 5

� Reduces cost for foundation � Very important when high ground water levels exist� Facilitates maintenance and repairs

Blast chamber� Seamless lining of the blast chamber with manganese steel � Canted blast wheel position for optimum blast results � No bolts or nuts in the blast chamber

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� Robust welding construction � Easily accessible, large inspection doors � Easy integration into automated manufacturing systems

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Roller conveyor shot blast machine

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Automatic media adder*� Ensures constant media operating mix� Low media level sensor with signal to PLC � Pneumatic valve for media dosing into elevator shaft * optional

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� Robust roller conveyors are driven over their complete length � Rollers made from wear-resistant material� External drive with gear motor � Variable roller spacing� If required, lined with rubber for better grip and gentle parts handling� Special roller designs or guides for bar stock available. For example for the tube blaster RDR � Roller conveyors with heat treated (hardened) rollers in the blast zone� Roller load capacity is variable in line with the parts loads� Automatic parts recognition on the side of the roller conveyor 4

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Blast System� Hurricane®-Blast Wheel � Direct drive (less wear parts, less noise) � Possibility to change rotational direction

of blast wheel � Easy, fast replacement of blades � Optimal wheel location on blast chamber� Blast area completely lined with cast wear

liners � Wheel cover safety switch

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Roller conveyor system

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� Bucket elevator· Wear resistant elevator buckets bolted onto elevator belt

(= efficient media cleaning through even media flow to air wash separator)· Wear resistant connectors for endless elevator belt· Rotation monitor (control) at lower pulley· Crowned pulley ensures belt tracking

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Media transport and media cleaning� Media collecting funnel with auger below roller conveyor � Media auger with rotary screen drum or pivoting screen

· Coarse dust particle discharge with ground-level container· Even distribution of blast media to air wash separator

� Tight fitting clam shell valve � Short distance to blast wheel� Easy adjustment of media flow (with linear scale)

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� Single stage air wash separator· Large width of air wash separator

with multiple media flow adjustment baffles · High volume media hopper with low level sensor · Additional media distribution auger

below the media flow adjustment baffles · Large airwash curtain for better media cleaning · Pre-cleaning with pivoting screen; screen tilting activated

by pneumatic cylinder · Air flow at all air take-off points can be adjusted separately 9

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Part loading/unloadingRösler roller conveyor machines can be equipped with modular transportsystems (optional with spill hopper and media return auger).

� Removal of media from the parts surface and return to media recycling system

� Automatically controlled blow-off and brush-off system 21

Rösler dust collectorsEach dry blast application produces dust!

Rösler dust collectors incorporate the latest dust extraction and collecting technologies. Rösler offers a dust collector for every conceivable blast application. All Rösler dust collectors are in full compliance with governmental safety regulations.As required, they can be upgraded to handling combustible dusts (explosion-proofsystems).

Two different systems – wet or dry collectors – can be offeredFrequently dry collectors are equipped with a fine filter “Police filter“.Residual dust load < 0.00043 grains/cu ft.

Central control panel� for complete control of all equipment functions

· Multiple automatic processing programs available· Manual or Automatic operation

In case of combustible or explosive dust the use of explosion protecteddust collectors is required by law!

Dry collector (standard), optionally available in explosion protected version

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Automation

Our customers can choose from multiple equipmentoptions. Rosler roller conveyor systems are available asstand-alone shot blast machines all the way up to fullyautomatic preservation lines

RDR 400 Rösler pipe or tube blasterFor single file blast cleaning of bar stock or tubes

RRB 16/5For blast cleaning (de-scaling, de-rusting) of metal sheets and beams

RRB 11/8Special version with larger pass height. Special coversprevent media spillage.

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RRB 27/6Roller conveyor blast machine with double tiltedblast wheels (3 upper and 3 lower wheels) for blast cleaning of metal sheets

Blast cleaning of welding constructionsSpecial roller conveyor machines for blast cleaning of complex welding constructions where all surfaces are cleaned.For example head- and base-plates, welded ribs and re-enforcements must be de-scaled and de-rusted. And thewelding seams must be cleaned.

All-around blast cleaning of outer and inner surfaces takesplace through 2 “blast zones”. The first “blast zone” consists ofequally spaced blast wheels mounted onto the roof and bottom of the blast cabin – with larger machines there are alsoblast wheels mounted to the cabin walls. The second “blast zone” of blast wheels is placed at a negative angle relative tothe direction of the parts transport. The blast pattern created bythese two “blast zones” allows all-around blast cleaning of avertically placed base-plate.

Preservation linesRösler roller conveyor blast machines can be upgraded to complete preservation lines (Pre-heater, blast machine, paintbooth, dryer). These lines are complemented by customer-specific parts transport systems.

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Test Centers worldwide

Test Centers and ServiceFinding a better way…a commitment to our customers

For Rösler service is not just an empty promise

Throughout our worldwide organization we adhere to strict quality control procedures. This applies especially to our test centers where we develop process solutions for all kinds of surface finishing problems. Each branch of the Rösler group features its own test center equipped with the latest Rösler finishing equipment. This equipment is utilized exclusively for processing trials with our customer’s sample parts.

Professional advice, short turn-around times and prompt and reliable service: Rösler offers single-source surface finishing solutions, worldwide!

� Installation and trainingMachine installations and operator training are performed by our team of highly skilled and experienced service engineers

� In-House Manufacturing

In line with our corporate philosophy to be a true “single source” supplier,Rösler engineers and manufactures all equipment components like vibratorymotors; load/unload systems, control panels, welding constructions, laser cutparts, etc., in-house.

� Spare parts service for all recognized shot blast systemsSurface finishing equipment generally is subject to a considerable amount ofwear. For this reason preventive maintenance and prompt supply of spare parts are a key requirement for any surface finishing installation. Rösler maintains a complete inventory of spare parts in every branch, ensuring localsupply and fast availability, be it wire mesh belts, blast wheels, pressurevessels or any kind of nozzles, etc. To minimize downtime, parts are eitherdelivered and installed by our own field service personnel or shipped to our customer’s location overnight.

� Maintenance and repair serviceRösler maintains a well trained staff of professional field service engineers providingprompt, reliable maintenance and repair service as well as overhaul of your olderequipment.

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Towards perfect interactionThe name RÖSLER stands for

technological leadership in the

world of mechanical surface

treatment. We offer our cus-

tomers innovative products and

services, a complete range of

process engineering know-how,

and the skills to link systems into

perfect combinations. Right from

the start, our strength has been

user-related solutions. Solutions

which ensure our customers

receive the ultimate in quality

and economy of service – and

that means giving them that

decisive edge over the competi -

tion. Whether surface finishing

or shot blasting technology –

during elaborate practical tests

we will always find the optimum

solution. In more than 60 coun-

tries we support our customers

with a close-knit network of

subsidiaries and international

agencies, giving them a

complete range of ma chines

to cover the key sectors in

surface treatment technology,

grinding, finishing and shot

blas ting, all from one source.

You tell us what you need; we

find the most economical and

technically rational solution.

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Surface Finishing · Shot Blasting · Engineering · Environmental TechniquesRÖSLER Oberflächentechnik GmbH · www.rosler.com

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RÖSLER Metal Finishing USA, L.L.C.1551 Denso Road · USA-Battle Creek · MI 49037Tel.: +1/269/4413000 · Fax: +1/269/4413001 · [email protected]

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and more than 60 representations worldwide

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Surface Finishing · Shot Blasting · Engineering · Environmental TechniquesRÖSLER Oberflächentechnik GmbH · www.rosler.com

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