Programming Rotary Axes; General Information - Siemens SINUMERIK 840D sl Function Manual

Extended functions

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Example: Changing the traversing range limits

A pallet 1 with several clamped workpieces is machined on a modulo rotary axis. The pallet 1

is then swapped for a pallet 2 with a built-on axis. The traverse range now has to be monitored.

Configuration:

● MD30300 $MA_IS_ROT_AX[AX4] = 1

● MD30310 $MA_ROT_IS_MODULO[AX4] = 1

● MD36110 $MA_POS_LIMIT_PLUS[AX4] = 340

● MD36100 $MA_POS_LIMIT_MINUS[AX4] = 350

Extract from part program:

Program code

; Insert pallet 1 with quadruple clamping into the machine

; PLC: Deactivate software limit switch of B axis => DB35, DBX12.4=0

; Trigger a preprocessing stop

G1 X0 Y300 Z500 B0 F5000

CYCLE84(500,400,0,350,0,1,4,10,,0,500,1000) ; drilling cycle

; Insert pallet 2 with built-on axis into the machine

; PLC: Activate software limit switch of B axis => DB35, DBX12.4=1

; Trigger a preprocessing stop

Programming rotary axes

General information about programming, see:

Programming Manual Fundamentals

Extended Functions

Function Manual, 10/2015, 6FC5397-1BP40-5BA3

R2: Rotary axes

13.3 Programming rotary axes

Sinumerik 828d