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Type: Posts; User: Stan Stocker

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  1. Replies
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    Re: Low cost measurement of hardness?

    There are hardness testing files sold in sets. The ones at MSC are around $150 for a set of 6. They start at RC40 and go to RC65 in 5 point steps.

    These seem to have both increased in cost by...
  2. Re: Inside dimensions bigger, outside dimensions smaller Mach3

    Greetings,

    Sounds like your cutter diameter is 0.2mm larger than the tool table entry as a first place to check. As your center point dimensions are correct it sort of rules out a steps/mm...
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    Re: www.machsupport.com - down ?

    Hi Dave,

    https://www.machsupport.com/

    Hope it works for you!
    Stan
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    Re: www.machsupport.com - down ?

    It's working from here in Virginia as of 12:11 EST.
  5. Re: Any errors or concerns with my planned controller wiring?

    Unplugging will remove the input AC power. The breaker or fuse should only be on the hot lead. The only difference between unplugging and opening a breaker is that when unplugged ground, neutral,...
  6. Re: Any errors or concerns with my planned controller wiring?

    If you are changing the input module using one with a circuit breaker rather than a fuse might be a good option. I tend to unplug (or flip the breaker on hardwired equipment) whenever I pull covers,...
  7. Re: Any errors or concerns with my planned controller wiring?

    Greetings,

    You might not want a fuse in the AC line neutral, if a neutral fuse blows you end up with a dead unit that has line voltage still hot with respect to ground. The only reason to fuse a...
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    Re: Work Holding on a Taig Mill

    Just realized I hadn't mentioned making or using a two piece vise. If your mold blanks are all the same rough size, you could also just use a fixture plate with two dowel pins on one long edge, a...
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    Re: Work Holding on a Taig Mill

    Mitee Bite, Talon, and others make low profile work holding devices that close in around 30 to 40 thou in most sizes. Some simply compress, others press and provide downward force against the table...
  10. Re: Appropriate glasses prescription for general machining? Near, far, in between?

    I also have the mixed diopter thing going on. Add in bifocals and it gets sort of weird. A pair of "computer" glasses works well for me in most shop situations, far distances are not perfectly...
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    Re: Controller box dead?

    Sorry for the confusion, with two leads it's not a VFD!
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    Re: Controller box dead?

    The new controller should sort out the 110/220 issue. Even if you opened up the existing box and the power supply is switchable, odds are the VFD in the box is also a 220V module, so you won't be...
  13. Re: G0704 CNC Conversion - driver/BOB/Motor wiring woes

    Greetings,

    For testing, try disabling the charge pump. I wouldn't recommend running a real machine with it disabled, but for testing it eliminates another variable. IF that's the problem, you...
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    Re: Acorn CNC PC requirement

    Try searching on upgrade windows for free.

    Here's the first hit:
    https://www.cnet.com/how-to/how-to-download-windows-10-for-free-now-that-windows-7-is-dead/

    Stan
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    Re: Issue with shielded wires on DIY machine

    Greetings! If it's a standard VSD Visio file LibreOffice will open it. Microsoft has or had a free Visio viewer app as well. LibreOffice can open but not save, so you'll need to convert to some...
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    Re: New 8L Lathe

    Greetings! Look up three wire thread measurement. With a micrometer, a bit of clay or a sense of humor to juggle/control three wires, and a couple of tables you can measure most threads. PeeDee...
  17. Re: continue Fusion 360 as Hobbyist, or upgrade to full... conundrum...

    Greetings! VCarve Pro is sort of the "standard" for the router work you are looking to do.

    Vcarve does have a laser module add on for $49 USD, but it does not specifically support linuxcnc. ...
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    Re: 2.5W or 5.5W laser ?

    Greetings! Remember that you can control the effect of the laser with travel speed as wells as with laser power. I would go with a 5 watt as you may want to do some (quite) light material cutting...
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    Re: Hoss G0704 CNC plans still available

    Well done Sir!

    I hope you are able to enjoy life and feel well for many years to come.
  20. Re: Mystery tools came with mill drill - what are these used for?

    They are transfer punches. Typically you put the punch through a hole on one part, align the part you want a matching hole in, and give a tap to center punch. Often used to let you drill and tap a...
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    Re: Poll: Acceptable lost steps?

    What sort of dimensional accuracy are you holding on parts? If I understand things, this is a hobby grade machine, with a hobby grade conversion, using steppers and I assume ball screws of a good...
  22. Re: lasercut - finished product 20% smaller than in software?

    Greetings!@ I don't have this machine so this is speculation. My guess is the Pulse Unit value for the X and Y axis is the travel per pulse. You might see if the ellipsis next to each value opens...
  23. Poll: Re: Does the corona epidemic affect your current business operations?

    The most direct effect in my case is the sharp drop in the the US stock market. As I'm retired from an income perspective and my wife wants to retire early this is the most apparent impact. Being...
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    Re: sherline linuxcnc stepconfig

    Greetings,
    Your steps per inch looks hosed, you have 2880 and 7200 steps per inch it appears. Your 8 TPI ball screw steps should be 8 * (stepper steps per turn - usually 200) * integer value of...
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    Sticky: Hi Folks, I'm fairly new to CNC, have converted...

    Hi Folks, I'm fairly new to CNC, have converted a sherline mill for clock gear cutting and am starting on a cnc router. I'm a full time clock repair and restoration guy in Virginia and in CAMS and...
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