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Messages - Tweakie.CNC

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4891
Tangent Corner / Re: A Winter Project.
« on: November 19, 2011, 02:41:10 AM »
Encapsulate the asbestos in epoxy and put it in the dustbin.

Vince

Thanks Vince,

Sounds good but I think I would be spending a little time away if I got caught.  ;D

Tweakie.

4892
General Mach Discussion / Re: Help getting my machine running...
« on: November 19, 2011, 02:24:07 AM »
Tweakie, not sure how to check the direction in Mach3...


What settings do you have for Config / Ports & Pins / Motor Outputs ??

Tweakie.

4893
General Mach Discussion / Re: Help getting my machine running...
« on: November 18, 2011, 07:53:07 AM »
What pins have you set for each axis Step and Direction within Mach ??

Tweakie.

4894
General Mach Discussion / Re: Motors stall when using Goto Z's
« on: November 18, 2011, 03:33:06 AM »
Hi Larry,

The mid-band resonance issue has been covered here and on the zone quite a lot and looking through a previous thread Gerry said that his Xylotex  was practically unusable without the dampners. http://www.machsupport.com/forum/index.php/topic,17670.0.html
Some have had success using just a flywheel but technically they should ‘rattle’ and have the moveable elements which dynamically alter the resonant frequency as soon as the stepper stutters. They are pretty simple to make and from the tests that I have made the one I fitted to my 4th axis makes a big difference to the rapid speeds.

Tweakie.

4895
General Mach Discussion / Re: Motors stall when using Goto Z's
« on: November 17, 2011, 06:47:25 AM »
Thanks Hood.

My apologies to all concerned.

Tweakie.

4896
Tangent Corner / Re: A Winter Project.
« on: November 17, 2011, 06:35:30 AM »
Not a job I was looking forward to doing but it had to be done. The 4 exhaust thermocouples each had asbestos sleeving and this had to be safely removed and replaced with fibreglass braided sleeving.
This is the quantity of asbestos used on one thermocouple and I am not yet certain where I have to take the stuff or how much it will cost for the approved disposal.

Tweakie.

4897
General Mach Discussion / Re: Motors stall when using Goto Z's
« on: November 17, 2011, 06:17:56 AM »
Tweakie
 It is a genuine licence, not sure if its the original owner but looks likely :)
Hood

If that is the case then my sincere apologies.

(Software4u was used as the license name on one of the pirate copies I looked at over a year ago).

Tweakie.

4898
General Mach Discussion / Re: Motors stall when using Goto Z's
« on: November 17, 2011, 02:29:37 AM »
I think the problem is that version R3.043.022 is not compatible with the Pirate license file you are using (please correct me if I am wrong).

Tweakie.

4899
General Mach Discussion / Re: Help with setup of driver and breakout board?
« on: November 16, 2011, 07:16:56 AM »
Great news Pog, extremely pleased you have got your motors running and you are making progress  :)

The motor tuning is related to many factors and rather than repeat stuff here it is best described in the Mach manual http://www.machsupport.com/documentation.php

Calculate your steps per unit based on leadscrew pitch, set microsteps, motor steps and any gearing you may have - the velocity setting relates to your machine's resistance to motion and the acceleration relates to the mass of the moving parts with both of these settings usually found by trial and error. The velocity setting needs to be set some 20% or so below the maximum you can achieve in order to get reliable machine operation.

Tweakie.

4900
Tangent Corner / Re: Getting the right gear cutter
« on: November 16, 2011, 02:19:56 AM »
Just a thought but if you are liable to make more gears and are likely to require more than one size of cutter then it may be worth considering Art's Gearotic Motion gearotic.com

Tweakie.

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