Helix - Siemens SINUMERIK 840D sl Operating Manual

Programming technological functions (cycles)
8.7 Additional cycles and functions in ShopMill
Parameter
Direction of rotation
X
Y
R
F
8.7.11

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
Parameter
Direction of rotation
506
Description
The tool travels in the programmed direction from the circle starting point to its end
point. You can program this direction as clockwise or counter-clockwise.
Clockwise direction of rotation
Counter-clockwise direction of rotation
Target position X (abs) or target position X referred to the last programmed
position (inc)
Target position Y (abs) or target position Y referred to the last programmed
position (inc)
Radius of arc.
You can select the arc of your choice by entering a positive or a negative sign.
Machining feedrate
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.
Description
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
Counterclockwise direction of rotation
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
Unit
mm
mm
mm
mm/rev
mm/min
mm/tooth
Unit
Milling