Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: tr5t500 on June 04, 2014, 05:21:53 PM

Title: Feedhold issue
Post by: tr5t500 on June 04, 2014, 05:21:53 PM

 Hi I have a Wabeco mill with gecko drive controller, Mach3 and updated stepper motors.
I have on two occasions during running a program, had the need to press feedhold. On pressing Cycle start the x and y axis has decided to go on an unprogramed path, gouging the work and turning it into scrap! This has made me nervous regarding  using this function. Would it help if I were to press stop after feedhold. I know this is necessary if the z axis needs moving to change a cutter
What is the possible course of this malfuntion and how can I fix it.
I would be most greatful for any solutions.
Cheers
John.

Title: Re: Feedhold issue
Post by: Hood on June 05, 2014, 01:34:14 PM

Never personally had an issue with feedhold but I dont use it that much. What may be best is to Stop and then a Run From Here.
Hood

Title: Re: Feedhold issue
Post by: tr5t500 on June 05, 2014, 05:11:16 PM

Many thanks Hood. Will do. What do you think is possible course of this?

Title: Re: Feedhold issue
Post by: Hood on June 06, 2014, 04:56:45 AM

I do recall a while back that if you did a feedhold on an arc the the restart could go wrong direction. Not sure however if that was a Smoothstepper issue or a Mach issue.

Hood