Siemens SINUMERIK 840D Operation/Programming

3
Programming with ShopMill 10.04
3.7 Drillin
g
3
 Siemens AG, 2004. All rights reserved
3-254 SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
Parameters Description XY
(without A/B axis)
Unit
Z0 Height of workpiece (abs. or inc.) mm
X0 X position of full circle center point (abs. or inc.) mm
Y0 Y position of full circle center point (abs. or inc.) mm
α0
Basic angle of rotation; angle of 1st hole in relation to X axis.
Positive angle: Full circle is rotated counterclockwise.
Negative angle: Full circle is rotated in clockwise direction.
Degr.
R Radius of full circle mm
N Number of positions on full circle
FP Feed for positioning on a circular path. mm/min
Positioning Linear: Next position is approached linearly at rapid traverse.
Circular: Next position is approached at the programmed feedrate (FP)
along a circular path.
Parameters Description XA
(with A/B axis)
Unit
Z0 Height of workpiece surface (abs. or inc.) mm
X0 Reference position (abs. or inc.) mm
A
0 Start angle (abs.)
A
ngle of 1st hole with reference to X axis.
Positive angle: Full circle is rotated counterclockwise.
Negative angle: Full circle is rotated in clockwise direction.
Degr.
N Number of positions on full circle

Siemens SINUMERIK 840D Specifications

General

Series	SINUMERIK 840D
Axes	Up to 31
Channels	Up to 10
Operating System	Windows-based
Power Supply	24 V DC
Control Unit Type	CNC
Interface	Ethernet, PROFIBUS
Display	TFT color display
Interpolation	Spline
PLC	Integrated PLC
Data Storage	CompactFlash, USB