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Messages - khalid

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101
General Mach Discussion / Strange Problem- Never seen before
« on: July 12, 2010, 10:17:46 AM »
Hi,
Today i was calibrating my Y-axis slide... After calibration i started Mach3...Put G00 Y12 in MDI command line... The motor moved to exact 12mm.... But when I put in MDI G00 Y0.. The motor didn't moved.. When I entered G00 Y-12 motor moved to G00 Y0 (ie original position)... Why this happen?
Any thig wrong in settings?

102
General Mach Discussion / Re: Mach 3 vs Shopbot vcarving
« on: July 11, 2010, 09:36:42 AM »
Thanks Grry.. Tommorrow i will try:)

103
General Mach Discussion / Re: Mach 3 vs Shopbot vcarving
« on: July 11, 2010, 01:06:32 AM »
Thanks Gerry:).. I am currently using QuantumMill...When i installed the Planest, the Anti Jerk Menu was disappeared and the SELECT PLANNER TYPE appear...
I will see what can i get out of this new Tempest !!!... After reading the ART thread, i somewhere studied that it is fast for only two axes and when the 3rd axis involve the whole system becomes slow...

PS:
For tempest, should i use EXACT STOP mode??

104
General Mach Discussion / Re: Mach 3 vs Shopbot vcarving
« on: July 11, 2010, 12:31:18 AM »
Hi Gerry,
I have seen the above thread by ART on tempest Planner.. Its too much information..Can you briefly explain what purpose is it for.. What benefit it gives us?.. Can we increase the speed IPM?

105
General Mach Discussion / Re: Mach 3 vs Shopbot vcarving
« on: July 10, 2010, 12:09:14 PM »
It depends.. Your basic vectors should be of polyline, the Vcarving created with such a vectors are also smooth... I have done a lot of vcarving stuff you can see my following blog... and Mach3 never disappointed me..

www.my-woodcarving.blogspot.com

106
Hi Rich,
Thank You.. On monday I will first check all the wiring and make them proper... I hope this will solve some of my problem...

107
Onething more, I get electric shock when touching the Control panel (BOB+Transformer+Drives).. Should this also the casue of the drifting problem to the machine?

108
Hi Tweake,
Is this may be the problem of wrong calibration of X-axis? If the steps/unit are wrong for X-axis motor tuning then could this happen?

Hi Hood,
I will test a circle with a pen.. I will draw the same circle 100 times and will see if the axis drift?and then will post you the results...

Best Regards

109
Recently i have retrofitted Radial drill machine and currently having  an issue with 'drifting' + in the X axis. I have a work piece on which i have drill some holes and then profile milling upto 4mm deep with 0.5mm DOC per pass... After centre drilling and final drilling of 7mm dia drill 4mm deep, i started milling with 3-flutes 6mm end mill... After 1 Hour the job was finished and the end mill went to its zero position about 2mm toward the positive X-axis...

I saw the profile and i found step ladder (each pass with little drift toward X) toward one side whereas i have removed material from the other end...In several levels in Z I can see by the faces of the pocket that it drifts (steps on one side, smooth on the other).. This figure will depend upon the length of program run, longer program, bigger drift. Any ideas?

I have backlash compensation On.
The computer is dedicated to Mach software only.

Material SS-316 solid bar
Depth per pass= 0.5mm
Feed: 2IPM
Dormer end Mill HSco 3-flutes
Spindle Speed= 800 RPM
Ramping


Kind regards
Khalid

110
Hi BR549, all the above are included in my Gcode embroidery software... You can run your machine with indexing mode "A*********" or simple XYZ moves.. Machine stop for every thread change..A thread tension sensor can be installed for any thread breakage...

Moreever you can do any commercial embroidery design

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