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Commands Calling Axis Movements

2.1 Interpolation commands

04.07

2-27

SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition

Plane designation

With the commands indicated below, a cutting tool moves along the specified circu-

lar arc in the XY plane, ZX plane, or YZ plane so that the feedrate specified by the

F command will be the tangential velocity of the arc.

S In the XY Plane

G17 G02 (or G03) X⋅⋅⋅Y⋅⋅⋅R⋅⋅⋅ (or I⋅⋅⋅J⋅⋅⋅)F⋅⋅⋅;

S In the ZX Plane

G18 G02 (or G03) Z⋅⋅⋅X⋅⋅⋅R⋅⋅⋅ (or K⋅⋅⋅I⋅⋅⋅)F⋅⋅⋅;

S In the YZ Plane

G19 G02 (or G03) Y⋅⋅⋅Z⋅⋅⋅R⋅⋅⋅ (or J⋅⋅⋅K⋅⋅⋅)F⋅⋅⋅;

To designate the circular interpolation mode (G02, G03), the plane of interpolation

should be selected first by specifying the G17, G18, or G19. For the 4th and 5th

axis, circular interpolation is allowed only when they are linear axes.

The G code designated to select the plane in which circular interpolation is execu-

ted also selects the plane where tool radius offset (G41/G42) is executed. When

the power is turned ON, the XY plane (G17) is automatically selected.

G17 XY plane, or Xα or Xβ plane

G18 ZX plane, or Zα or Zβ plane

G19 YZ plane, or Yα or Yβ plane

If an optional linear 4th-axis is selected, circular interpolation is possible in the Xα,

Zα,orYα plane which includes the 4th-axis in addition to the XY, YZ, and ZX pla-

nes. (α=U,V,orW)

S Circular interpolation in Xα plane

G17 G02 (or G03) X ⋅⋅⋅ α ⋅⋅⋅ R ⋅⋅⋅ (or I ⋅⋅⋅ J ⋅⋅⋅)F⋅⋅⋅;

S Circular interpolation in Zα plane

G18 G02 (or G03) Z ⋅⋅⋅ α ⋅⋅⋅ R ⋅⋅⋅ (or K ⋅⋅⋅ I ⋅⋅⋅)F⋅⋅⋅;

S Circular interpolation in Yα plane

G19 G02 (or G03) Y ⋅⋅⋅ α ⋅⋅⋅ R ⋅⋅⋅ (or J ⋅⋅⋅ K ⋅⋅⋅)F⋅⋅⋅;

Siemens SINUMERIK 802D sl Programming Manual

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