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MM and Inch Motor setup
« on: August 15, 2015, 09:47:41 PM »
So I searched this bit but I am still confused. What I found didn't work.
So I have Chinese CNC they sent instruction that run it on MM, but I want set up a profile in inch's as well.
I know I have to make changes to the Motor Settings.

My Steps per are 320
Velocity is 1500
and Acceleration is 300.

I am not sure which way to times, or divide by.

Thanks for your help.

Matt

Offline ger21

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Re: MM and Inch Motor setup
« Reply #1 on: August 15, 2015, 10:24:39 PM »
steps/inch = 320 x 25.4
velocity = 60

accel = 12 maybe?
Gerry

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

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: MM and Inch Motor setup
« Reply #2 on: August 16, 2015, 12:39:39 AM »
How do you come to that? I understand the steps I just don't understand the other 2.

Thanks
Matt

Offline ger21

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Re: MM and Inch Motor setup
« Reply #3 on: August 16, 2015, 08:56:37 AM »
1500mm/min is about 60 inches/minute  (1500\25.4)
Same with accel (I think), divide by 25.4
Gerry

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

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: MM and Inch Motor setup
« Reply #4 on: August 16, 2015, 04:26:58 PM »
Thanks Gerry. I wasn't sure how everything in those setting related to each other.

While I got your attention is there a place to set the Default FeedRate for jogging. I have to set it under feed rate prior to using jog. It defaults at 6 and I was wondering if I could default it higher.

Thanks again for help.

Matt

Offline ger21

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Re: MM and Inch Motor setup
« Reply #5 on: August 16, 2015, 06:32:26 PM »
The jogging rate is a percentage of the current feedrate, which defaults to 6. In General Config, you can add a feedrate to the Initialization string, like F50, or F150.
Gerry

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

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: MM and Inch Motor setup
« Reply #6 on: August 16, 2015, 07:53:37 PM »
Yep that did it. Your making my day now. I have searched a few times and came up nothing valuable. I am sure its out there but you know google.

I appreciate it a lot.

Thanks
Matt