Turning Operations

To support Mill-Turn machine, some adjustments need to be made in a milling post processor.

In many cases, one of the rotary axes is used as a turning spindle. In other cases, an extra axis is added to the machine and is used as the turning axis. This information must be passed to the GPP2 engine for getting the correct output to this machine.

Turning procedures and Turning cutters are quite different from milling procedures and cutters, and therefore there are several new blocks and many new parameters for those tools and procedures.

• General and Machine Definitions for Turning
• Turning Cutters
• Setup B Operation
• Motion Output - Linear and Circular Motions
• Canned Cycles
• Threads
• Reference Point on the Turning Cutter (TT/TC)
• Sub-Position

Machine Simulator

To correctly simulate the rotation of the Turning axis, and properly check for collisions with the rotating axis while rotating, the variable SIM_TURNING_SPINDLE_ON should be set to TRUE_ when the Spindle ON command is output for the machine, and set to FALSE_ when the Spindle OFF command is output.

If not set in the post, GPP2 will set this value at the PROC FIRST POINT block in case this is a turning procedure.

See all turning related variables, which were added to the BEGINNING OF PROC. block.

The turning related variables are colored blue.