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router missing steps
« on: June 06, 2015, 07:14:36 AM »
 Hello everyone,

               Setup a Job in the router yesterday things started off good and then went terribly wrong.  I  watched it for a while and things were working as they should so I left it to do some yard work. came back and to my horror I have holes where should be no holes and profiles all over the place. So Somewhere along the way I started loosing steps . I am using a hobbycnc pro driver board and I am running the latest version of Mach3 with the 2010 screen set. any ideas where to start to trouble shoot this? I checked the mechanics of the router first  and all seems ok.  Thanks.

Charlie
Regards
Charlie M.

Offline ger21

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Re: router missing steps
« Reply #1 on: June 06, 2015, 08:47:52 AM »
Was the machine running fine before or is this the first time you've used it?
Gerry

2010 Screenset
http://www.thecncwoodworker.com/2010.html

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: router missing steps
« Reply #2 on: June 06, 2015, 08:59:32 AM »
 Hi Gerry,

   It seems that I have always had issues with missing steps. It was very small, until yesterday. I am talking it was off by a few inches.
Regards
Charlie M.

Offline ger21

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Re: router missing steps
« Reply #3 on: June 06, 2015, 11:45:22 AM »
What are your velocity and acceleration settings?

Ballscrew or rack and pinion?
Gerry

2010 Screenset
http://www.thecncwoodworker.com/2010.html

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: router missing steps
« Reply #4 on: June 06, 2015, 12:34:16 PM »
 I am using timing belt and pulley and my accel is 114 and  velocity is 119 in per minute
Regards
Charlie M.

Offline ger21

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Re: router missing steps
« Reply #5 on: June 06, 2015, 02:44:04 PM »
Set your accels to 15 and see if that helps.

Is it a direct drive pulley on a belt?
Gerry

2010 Screenset
http://www.thecncwoodworker.com/2010.html

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: router missing steps
« Reply #6 on: June 06, 2015, 03:37:37 PM »
 Hi Gerry,

        yes it is a direct drive pulley on a belt. its setup just like a Shapoko.
Regards
Charlie M.