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Messages - warhorse

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1
General Mach Discussion / Re: 4th Axis Steps per Inch?
« on: June 15, 2010, 06:51:00 PM »
HI tweakie,

thanks for that thought.  I know that would work, if we were carving cylinders or carvings.
Unfortunately we are carving irregular nurbs surfaces.  So within a few inches of length of a part there may be an oval, and then it may
loft down to an irregular shaped square then loft to an egg shape in section.

this is where our real problems show up. I think for the parts we are doing, that degrees are neccesary.
I had a local consultant tell me distance was what we needed to do, but that was obviously wrong.

all of your help and advice is greatly appreciated.

WH :)

2
General Mach Discussion / Re: 4th Axis Steps per Inch?
« on: June 14, 2010, 11:55:05 PM »
Ian,  thanks for the input.
These rotaries are geared so I am assuming that must also be calculated?

Im trying to contact the engineering department of the device manufacturer to determine the constants of the motors and controllers.

Thanks,

wh

3
General Mach Discussion / Re: 4th Axis Steps per Inch?
« on: June 14, 2010, 09:32:52 AM »
Thanks for the input guys.  Im new to 4th axis, and fairly new to the mach3 controller, so Im on a steep learning curve.

When we first started using the 4th axis it was set in degrees, and we had trouble with the chuck spinning around around instead of simply stepping some small distance.

we changed it to distance, and of course are looking for a constant that doesnt exist.

could some one be kind enough to briefly explain  how we must set this up to work in steps per degree?  What settings must be changed and how do I find the constant of steps per degree that I need?

Thanks much in advance,

WH

4
General Mach Discussion / 4th Axis Steps per Inch?
« on: June 12, 2010, 11:44:57 PM »
Hi Guys,

Im running a dual spindle router with two 4th axis rotaries. Everything seems to be working fine except one major detail.
Determination of steps per inch for the rotaries....

There does not seem to be a constant steps per inch, to maintain accuracy, for every cylinder I turn. 
I ran a test where I turned several  stepped cylinders.  There were 6 steps in the stepped cyliinder. each bigger than the other by .125 or .25.
If I was able to determine steps per inch to make one cylinder accurate, the others would be off.
and this carried through all cylinder tests.

Is there a setting somewhere in Mach3 that is controlling how mach interprets or translates, to make a single constant good for all geometries?

Thanks in advance.



5
General Mach Discussion / Re: New machine - Jogging Problems - Suggestions?
« on: February 03, 2010, 08:07:20 AM »
Thanks hood. were working through it now.

regards,

ND

6
General Mach Discussion / Re: New machine - Jogging Problems - Suggestions?
« on: February 01, 2010, 11:19:13 AM »
Thanks guys Ill look into that about the Y axis.  I dont know where to start with the the X and Z axes which do not function at all.
Ill start tracing wires   :-[

7
General Mach Discussion / Parrallel cable
« on: January 31, 2010, 11:32:04 PM »
Guys,

I checked the continuity on all the pins of my cable...all good, so thats not the issue.

thanks in advance for any advice guys

ND in SC

8
General Mach Discussion / Warhorse components last pics
« on: January 31, 2010, 11:28:08 PM »
 ;D

9
General Mach Discussion / a few more of the components
« on: January 31, 2010, 11:25:54 PM »
pics

10
General Mach Discussion / more pics of components
« on: January 31, 2010, 11:23:53 PM »
heres some of the components

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