Siemens SINUMERIK 840D Programming Manual page 121

03.96
04.00
3
The cycle implements the following motion
sequence:
• Travel to the position marked in the figure on the
right at the beginning of the cycle with G0
• Complete machining of a slot is performed in the
following stages:
- Approach to reference plane brought forward
by the safety clearance with G0.
- Infeed to the next machining depth as pro-
grammed under VAR1 and at feed value
FFD.
- Solid machining of the slot to the final
machining allowance on slot base and slot
edge at feed value FFP1.
Subsequent finishing at feed value FFP2 and
spindle speed SSF along the contour according
to the machining direction programmed
under CDIR.
- The vertical depth infeed with G0/G1 is
always performed at the same position in the
machining plane down to the final depth of
the slot.
• Retract tool to retraction plane and move to next
slot with G0.
• When the last slot has been machined, the tool is
moved with G0 to the final position specified in
the display in the machining plane until the
retraction plane is reached and the cycle ended.
 Siemens AG 2000 All rights reserved.
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide, Cycles (PGZ) - 04.00 Edition
3.5 Slots on a circle - SLOT1
G0
G0
Milling Cycles
3
G0
G0
3-121