M41-M42 Force Gear speed

             These M-codes are used rarely in NC programming for Milling and Used more in turning, any ways it’s good to know about the functions.

While working in CNC Machines We may have to select the Speed 100 to 1000rpms, whenever we work on the bigger diameters we may have to decrease the Speed and When We Work on the smaller diameters we may have to increase the speed, Increasing and Decreasing the speed can be done by changing the Gears on CNC machine.  Miscellaneous code called M-code control the machine controls.

M code 41, i.e., 

M41 is activated to select the Low gear to Decrease the speed.

M42 is activated to select the high gear to increase the speed;

These M-codes also used in Milling machines like Mandeli 5- axis machines.

Vericut Simulation takes more time while simulating M42???

In Vericut Simulation software When M42 code runs, the simulation take long time to finish the cycle.

You can follow the below step to overcome this slow Simulation problem in Vericut.

M42: Force High Gear.

1) Click on Collision
2) Uncheck visible stock and active tools’ Holders.

This makes the simulation faster and you can check this after finishing M42 Operation.