Siemens SINUMERIK 840Di sl Programming Manual page 89

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Example of milling

Change between metric and imperial input with basic setting metric (G70/G71).

N10 G0 G90 X20 Y30 Z2 S2000 M3 T1

N20 G1 Z-5 F500

N40 G70 X2.75 Y3.22

N50 X1.18 Y3.54

N60 G71 X 20 Y30

N70 G0 Z2 M30

You can instruct the control to convert the following geometrical dimensions (with necessary

deviations) into the measuring system not set and enter them directly:

• Positional data X, Y, Z, ...

• Interpolation point coordinates I1, J1, K1

• Thread pitch (G34, G35)

• Programmable zero offset (TRANS)

• Polar radius RP

Fundamentals

Programming Manual, 11/2006, 6FC5398-1BP10-2BA0

Interpolation parameters I, J, K and circle radius

CR with circular-path programming

3.4 Dimensions inch/metric, (G70/G700, G71/G710)

;Basic setting metric

;At feedrate in Z [mm/min]

;Enter destination positions in inches, G70

;is active until deselected by G71 or

;end of program

;Enter positions in mm

;Retract in rapid traverse, end of program

Positional Data

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