Cnc Lathe Power p

8/7/2019 Cnc Lathe Power p

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Numerical Control

NC - KS B 0125 (1975)

Numerical Control

NC - KS B 0125 (1975)

Circuit

Circuit Machine

MachineServo

ServoWork

-Piece

Work

-Piece

TapeDrawing

1-1 N C ?

1-1 N C ?

NC FLOW CHART

NC FLOW CHART


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CLASSIC M/C

NC M/C

CNC M/C DNC( direct numerical control )

FMS( flexible manufacturing system)

FA( factory automation

CLASSIC M/C

NC M/C

CNC M/C

DNC( direct numerical control )

FMS( flexible manufacturing system)

FA( factory automation

1-2 MACHINE TOOLS

1-2 MACHINE TOOLS


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1-3 Area of M/C

1-3 Area of M/C

CNC M/C

RANGE

Exclusive M/C

Classic M/C

Product lot No.

P

R

OD

U

C

T

C

O

S

T0


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1-3-1 Part adaptation

1-3-1 Part adaptation

Exclusive M/C

CNC M/C

Classic M/C

L

O

T

Parts variation


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Make

P/G

Part P/G

Tape

Main Processor

Translate Calculate

Post Pro-

cessor

Punching

Pc

CL File

1-4 CNC structure1-4 CNC structure

Part draw Make Plan

Auto P/G

TABLEController

Electric power

Supply control circuit

Make pro

-cess sheet

Tool Position

calculate

Detector

Detector

X-axis servo

motor

Ball screw

Y-axis servo

motor

Manual P/G

Command Tape

Tape punch

M/C

Micro

Computer

Controller

Interface

Circuit

Servo

mechanism

T

A

P

E

R

E

A

DE

R

Detector


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1-5 Ball screw1-5 Ball screw

Screw axis

Return news

Nut

Ball


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2-1 Positioning2-1 Positioning


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2-1-1 Linear interpolation2-1-1 Linear interpolation


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2-1-2 Contour2-1-2 Contour


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3-1 CNC LATHE3-1 CNC LATHE

Cover

Control Box

Tool Post

Head Stock

Bed

Moniter


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Velocity (m/min)

3 5 10 50 100 200 300 500400

PolycrystallingDiamond or CBN

3-3 CNC TOOLS3-3 CNC TOOLS

High speed steelHigh speed steel

Micro alloyMicro alloy

Cemented carbideCemented carbide

sermetsermet

CeramicsCeramics


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4-1 Consist of Block4-1 Consist of Block

N

S

E

q.

N

o

P

R

E

P

A

R

A

T

I

O

N

X (Y) Z

C

O

O

R

D

IN

A

T

E

F

F

E

E

D

S

S

P

I

N

D

L

E

R

P

M

T

T

O

O

L

M

S

U

B

F

U

C

T

I

O

N

Exp. )N00 G01 X30.0 Z-30.0 F0.2 T0101 M08 ;

X, Y, Z (U, V, W) input orderly .


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4-2 Conception of Coordinate4-2 Conception of Coordinate

Right coordinate Left coordinate

H

E

A

D

S

T

O

C

K

+ X

+ Z

W/P

H

E

A

D

S

T

O

C

K+ X

+ Z

W/P


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4-3 Right coordinate4-3 Right coordinate

A

C

B

+Z

+Y

+X

Z

Y

X


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4-4 Absolute system4-4 Absolute system

30

20

10

0 10 20 30

A(10, 10)

x

y x = 22 - 10 = 12

y = 30 - 10 = 20

B(22, 30)


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4-4-1 Incremental system4-4-1 Incremental system

30

20

10

0 10 20 30

A(10, 10)

B(12, 22)

x

y x = 22 - 10 = 12

y = 30 - 10 = 20


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4-5 Program origin4-5 Program origin

Program origin (X0.0 Z0.0).Decide Origin point Z axis indicate line.

Program origin (X0.0 Z0.0).Decide Origin point Z axis indicate line.

A B C D


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4-6 Set up Coordinate4-6 Set up Coordinate

Present position

Through Indicate point

Auto -ReferencePoint Return

MachineOrigin

X 100.0

Z 50.0

X 150.0

Z 100.0


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4-7 Spindle function4-7 Spindle function

- Calculate formula of Cutting condition

V = D N

1000

N : Spindle (rpm)

D : Diameter(mm)

V : Cutting speed (m/min)

- Constant speed control (G96) : Exp. ) G96 S100 M03

- Spindle RPM (G97) Exp.) G97 S1000 M03

- Spindle max. (G50) : Use G50 and next G96,

Exp.) G50 S2000 Control Under RPM 2000rpm .


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4-8 Miscellaneous Function4-8 Miscellaneous Function

Code

M00

M01

M02

M03

M04

M05

M08

M09

Function

Program stop

Optional stop

P/G end

Spindle CW

Spindle CCW

Spindle stop

Coolant on

Coolant off

Code

M30

M98

M99

Function

Program end, Return 1-st block

Sub Program Call

Sub Program End


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4-9 Tool offset4-9 Tool offset

T

Tool FunctionTool offset No.(01 - 99)

Tool selection No. (01- 99)

T 02 00Offset call

Tool No. Preparation to start

T 02 02

Command to tool offset - - - (Start to work)

T 02 00

Cancel to tool offset - - - (Work end )

( )


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5-1 (1)5-1 (1)

G

G 0 0

G 0 1

G 0 2

G 0 3

G 0 4

G 0 9

G 2 0

G 2 1

G 2 7

G 2 8

G 2 9

G 3 0

G 3 2

G 4 0

G 4 1

G 4 2

0 1

0 0

0 6

0 0

0 0

0 1

0 7

Positioning in Rapid ( )

Linear interpolation

(CW)

(CCW)

(dwell)

Normal position

Input inch

Input metric

ZRN check

ZRN

Return to ZRN

Return to 2 - nd ZRN

Threading

Radius compensation cancel

Left

Right


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5-1-1 (2)5-1-1 (2)

G

G 5 0G 5 2

G 5 3

G 7 0

G 7 1

G 7 2

G 7 3G 7 4

G 7 5

G 7 6

G 9 0

G 9 2

G 9 4G 9 6

G 9 7

G 9 8

G 9 9

0 0

0 1

0 2

0 5

Coordinate Set up, Max. RPMLocal coordinate

Machine coordinate

Finish cycle

Rough cycle

Facing Rough

CopyingZ direction peck drill

X direction groove

Threading

Cutting cycle A

Thread

Cutting cycle BConstant speed control

Indicate RPM

(mm/min)

(mm/rev)

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