Hello,

I have a Haas VF2 with TR160 trunnion equipped with glass scale. I am doing 3+2 positioning work. The platter indicates within .0002" at A0., but seems to sag at A90. That is, it doesn't travel far enough. I believe the worm gear is worn and should be rebuilt.

Just to get through the job, is there a setting to trick the machine to travel the A axis a bit further to the true 90 degree position?

I spent some time with parameter 330 and 336 but did not succeed in correcting the problem. There seems to be no info on the internet about para 330 or 336.

Any direction would be appreciated.

Thank you

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