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Axis setup
« on: September 09, 2016, 06:27:31 PM »
My A and B axis is off by 1 degree and my XYZ is probably off too though I haven't checked yet.  How do I tune in my axis in mach4?  My XYZ axis uses lead screws that are M8 x 1.25 just in case someone is wondering.  A and B are geared at a 8:1 reduction. 

Offline Stuart

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Re: Axis setup
« Reply #1 on: September 10, 2016, 02:16:24 AM »
Review DTG vidieos he explains it it one of his ox builds

No ball screws then AFAIK mach4 is not to good yet on backlash

But use a jo block and a dti to measure your movement.

There is a good right up in the Mach 3 manual , m4 does not have the auto tune though

It is explained in the m4 manual as well it's just a simple maths problem

Offline DazTheGas

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Re: Axis setup
« Reply #2 on: September 10, 2016, 02:23:50 AM »
Take a look at the formula i use in the video for fine tuning my x axis, you will need to be at about 10 min mark.

https://www.youtube.com/watch?v=HIE0k6mu2yc&list=PL7IitnI6IOQB0Ws59EFXhBtYsWOgPCKT9&index=1

DazTheGas
Theres always time for a choccy biccy
Re: Axis setup
« Reply #3 on: September 10, 2016, 08:54:56 AM »
Take a look at the formula i use in the video for fine tuning my x axis, you will need to be at about 10 min mark.

https://www.youtube.com/watch?v=HIE0k6mu2yc&list=PL7IitnI6IOQB0Ws59EFXhBtYsWOgPCKT9&index=1

DazTheGas

Oh thank you I'll have a look.   You make great videos BTW.
Re: Axis setup
« Reply #4 on: September 10, 2016, 08:58:08 AM »
Review DTG vidieos he explains it it one of his ox builds

No ball screws then AFAIK mach4 is not to good yet on backlash

But use a jo block and a dti to measure your movement.

There is a good right up in the Mach 3 manual , m4 does not have the auto tune though

It is explained in the m4 manual as well it's just a simple maths problem



Will they be updating Mach4? 

Offline Stuart

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Re: Axis setup
« Reply #5 on: September 10, 2016, 10:35:49 AM »
Wellllllll your guess is as good as mine
Re: Axis setup
« Reply #6 on: September 10, 2016, 11:34:29 AM »
Wellllllll your guess is as good as mine

Offline Stuart

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Re: Axis setup
« Reply #7 on: September 10, 2016, 01:29:24 PM »
It's the shorthand used in morse code for best wishes =73 and if you were talking to a YL ( young lady ) love and kisses = 88

But by ek you have made me feel very old try 1947 and 49 years married with a daughter at 47 plus grand kids

As I was into ham radio you pick up on the numbers


Sorry for the OT

Hope you get it all sorted soon and part made

Stuart
Re: Axis setup
« Reply #8 on: September 10, 2016, 02:58:54 PM »
It's the shorthand used in morse code for best wishes =73 and if you were talking to a YL ( young lady ) love and kisses = 88

But by ek you have made me feel very old try 1947 and 49 years married with a daughter at 47 plus grand kids

As I was into ham radio you pick up on the numbers


Sorry for the OT

Hope you get it all sorted soon and part made

Stuart

Oh I get it now.  Thank you for the kind words.
Re: Axis setup
« Reply #9 on: September 11, 2016, 11:27:25 PM »
No ball screws then AFAIK mach4 is not to good yet on backlash

Will they be updating Mach4? 
One of the design decisions in Mach4 was to push backlash support into the plug-in.  The Mach4 core has no concept of backlash except to provide a place in the motor configuration screen to enter the value.  Check with your motion device manufacturer to see if they support backlash compensation.

Bob