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70014Re: [Bulk] RE: [mach1mach2cnc] BackLash.. Finally.!! :)

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  • art
    Mar 1, 2007
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      Too true. My problem was one of what people expect. Backlash is one of the hardest things to do right. Its taken me 3 years to get to that spot in the driver.
      Its important to me to keep it in the driver, I dont want comp in the application, too much complexity.. The old backlash caused great problems for some, and some expect seamless operation with backlash.. THisis about as close as I can get...so far anyway..


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      ----- Original Message -----
      From: Mark Vaughan
      To: mach1mach2cnc@yahoogroups.com
      Sent: Thursday, March 01, 2007 5:17 AM
      Subject: RE: [Bulk] RE: [mach1mach2cnc] BackLash.. Finally.!! :)

      The trouble with all this backlash compensation is backlash is play in your

      Whether compensation is, or is not required depends on the direction of
      cutting force, whether you are climb or conventional milling.

      Fine on a lathe where load is normally in the same direction.

      Because mach offers backlash compensation many diy users will think it's OK
      to build a machine with half an inch of backlash and mach will take care of

      We need to all be very careful what we understand can and cannot be done
      with Art's backlash system.

      There is no substitute here for tight screws. (No pun intended).

      Dr. Mark Vaughan Ph'D. B.Eng. M0VAU

      Managing Director

      Vaughan Industries Ltd, reg in UK no 2561068

      Water Care Technology Ltd, reg in UK no 4129351

      Addr Unit3, Sydney House, Blackwater, Truro, Cornwall, TR4 8HH, UK.
      Phone/Fax 44 1872 561288


      From: mach1mach2cnc@yahoogroups.com [mailto:mach1mach2cnc@yahoogroups.com]
      On Behalf Of Rich Crook
      Sent: 01 March 2007 08:08
      To: mach1mach2cnc@yahoogroups.com
      Subject: Re: [Bulk] RE: [mach1mach2cnc] BackLash.. Finally.!! :)

      Umm... I think you've got that backwards.
      0.0001 mm is *one tenth* of a micron! A micron is a thousandth of a
      mm, or .00003937" (just shy of 4 ten thousandths).
      I'm pretty sure he meant .0001"

      = Rich =

      >Holy shit, 0.0001mm is about 4 microns! Did you have to pawn your first and
      >second born for your glass scales? Are you sure you don't mean 0.0001"?

      >Hi Andy:
      >According to my glass scales, the backlash is exact to .0001mm on my
      >Thats about as exact as my system can handle...

      [Non-text portions of this message have been removed]

      [Non-text portions of this message have been removed]
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