5
08/2005 ShopTurn Functions
5.6 Contour millin
5
♥ Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 5-303
Approach/retraction
1. The tool approaches the starting point at rapid traverse at the
height of the retraction plane and adjusts to the safety clearance.
The start point is calculated by ShopTurn.
2. The tool first infeeds to the machining depth and then approaches
the spigot contour from the side in a quadrant at machining
feedrate.
3. The spigot is cleared in parallel with the contours from the outside
in. The direction is determined by the machining direction
(climb/conventional) (see "Changing program settings").
4. When the first plane of the spigot has been cleared, the tool
retracts from the contour in a quadrant and then infeeds to the next
machining depth.
5. The spigot is again approached in a quadrant and cleared in
parallel with the contours from outside in.
6. Steps 4 and 5 are repeated until the programmed spigot depth is
reached.
7. The tool moves back to the safety clearance at rapid traverse.
Contour
milling >
Spigot
milling
¾ Press the "Milling", "Contour milling" and "Spigot milling" soft keys.
¾ Select "Roughing" machining mode.
Parameters Description for roughing Unit
T, D, F, S, V See Sec. "Creating program blocks".
Position Select from 8 different positions:
End face/End face C – Front
End face/End face C – Rear
Peripheral surface/Peripheral surface C – Inner
Peripheral surface/Peripheral surface C – Outer
End face Y – Front (only when Y axis exists)
End face Y – Rear (only when Y axis exists)
Peripheral surface Y – inner (only when Y axis exists)
Peripheral surface Y – Rear (only when Y axis exists)
Clamp/release spindle (only for End face Y/Peripheral surface Y, and for End face
C/Peripheral surface C if the tool is inserted in the center for roughing)
The function must be set up by the machine manufacturer.
Machining
type
Roughing
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