Siemens SINUMERIK 840D, Operating Manual

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Programming technological functions (cycles)
8.7 Further cycles and functions ShopMill
Milling
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Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Parameter Description Unit
Y Target position Y (abs) or target position Y referred to the last programmed
position (inc)
mm
R Radius of arc.
You can select the arc of your choice by entering a positive or a negative sign. mm
F mm/rev
mm/min
mm/tooth
8.7.10 Helix
With helical interpolation, a circular movement is overlaid in the plane with a linear motion in
the tool axis, i.e. a spiral is created.
Procedure
1. The ShopMill program to be edited has been created and you are in
the editor.
2. Press the menu forward key and the "Straight Circle" softkey.
3. Press the "Helix" softkey.
Parameter Description Unit
The tool travels in the programmed direction from the circle starting point to its end
point. You can program this direction as clockwise or counterclockwise.
Clockwise direction of rotation
Direction of rotation
Counterclockwise direction of rotation
I Center point of the helix in the X direction (abs or inc) mm
J Center point of the helix in the Y direction (abs or inc) mm
P Helix pitch The pitch is programmed in mm per revolution. mm/rev
Z Target position of the helical end point (abs or inc) mm
F Machining feedrate mm/rev
mm/min
mm/tooth