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Type: Posts; User: wmgeorge

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  1. Re: AC sewing motor as spindle.....Any advice?

    Treadmill motors are generally DC, so you would need to either purchase or build a AC to DC power supply rated at your motor amp draw. Used treadmills are on Craigslist here in US all the time and...
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    Re: Spoil/Waste Board Questions

    I have never had a aluminum clamp slip, ever in all the years I've been using them. You need to make sure you have them positioned correctly, in the right places and double check before starting the...
  3. Re: Must I Buy Fusion 360 For This? Or Can Vcarve Create This Model?

    I see a block of aluminum outside profile cut using .250 end mill outside the line, and a L shape profile cut X inches deep with round mill .375 diameter or whatever the width of the profile cut on...
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    Re: Spoil/Waste Board Questions

    My tracks are about 3/8 below the surface of the table. The clamps are aluminum and long enough to be out of the path and still hold. Never in the way, if the path goes off its aluminum the bit is...
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    Re: Spoil/Waste Board Questions

    MDF does not hold screws all that well. I put down some multi ply 1/2 inch Birch plywood first and then placed a sheet of 3/4 inch MDF on top. Screwed the entire package down to the table....
  6. Re: 6090 CNC experiencing friction and shakiness - noob help!

    Disconnect the motors by removing the couplings or belt whatever apply and move the carriage by hand, or whatever is binding. Check for bad bearings or more than likely just out of alinement issues....
  7. Re: Tie 220v VFD into dryer line - with a switch?

    Like I said in my post, its going to be less hassle and expense in the long run just to run another circuit.. But do as you wish.
  8. Re: Tie 220v VFD into dryer line - with a switch?

    Well he does not really need a transfer switch. Most dryer outlets are 30 amp with #10 wire, he could set a J box and T off adding another outlet, splicing into the the #10 wire (inside the J box)...
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    Re: GME's New 80/20 CNC Build - My Design

    Hey Gary have a great time at the beach and forget this stuff for a while. Its been way to hot and just now I made a run to Culver's for take out supper. Left home looked back and huge storm clouds...
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    Re: need to reverse one motor direction.

    MiamiJerry, Just wondering if you also had the CNCRP pre-wired system and control box like we are discussing?
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    Re: GME's New 80/20 CNC Build - My Design

    Everytime the machine Homes and its re-zeroed you will need to do that all over. He has Y and a Slave like mine.
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    Re: need to reverse one motor direction.

    The Y axis on mine has a Slave motor it needs to be reverse and its just a "click" in the setup screen. I am not in my shop now nor do I have access to that software Mach4 file. But its that simple....
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    Re: Smithy CNC 1240 gear box conversion

    I have never had any machine with direct drive from the motor to the gear box. I think your on the right track, I wonder how other owners are dealing with it.
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    Re: GME's New 80/20 CNC Build - My Design

    Gary I think cutting your plates on the machine is an excellent way to go and you can also drill. When my machine was almost done and before I had the spoil board I had a job come that had to be...
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    Re: GME's New 80/20 CNC Build - My Design

    Well the aluminum is 15mm wide and bolted to angle 76 mm long you can do the math for the surface area vs the 30mm side bolted to the 76 mm upright. About double the holding surface area and that’s...
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    Re: GME's New 80/20 CNC Build - My Design

    You did not bolt the braces directly to the uprights but held underneath by aluminum angle?
  17. Thread: Concrete VMC

    by wmgeorge
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    Re: Concrete VMC

    I'm impressed, beautiful work! :) Its really more like Art.
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    Re: GME's New 80/20 CNC Build - My Design

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    Re: GME's New 80/20 CNC Build - My Design

    Remember your Experimenting, and its hard for a perfectionist to do so but you must not decide ahead of time what will work and what won't. Your not aiming to fix just see what works better than the...
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    Re: GME's New 80/20 CNC Build - My Design

    Gary, do you have some and I know you do 6 inch heavy duty cast C Clamps? Take some 2x4s and clamp on each side down low, where CNCRP has the Y axis brace(s) and try again. Just forget the...
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    Re: GME's New 80/20 CNC Build - My Design

    Gary yes there are only one set of diagonal bracing on the right side but that rail is adding strength. I would add the same rail on yours to the left side, and I think you may already have one
    on...
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    Re: GME's New 80/20 CNC Build - My Design

    Notice the diagonal bracing on the CNCRP stand are not aluminum but welded steel construction and on the right side where the control boxes are located they have doubled that bracing. That is why...
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    Re: GME's New 80/20 CNC Build - My Design

    Gary, I just slide a piece of 1/4 inch hardboard, masonite whatever under my work to cut out takes about 3 seconds, and clamp both to the table with just one of way to many T slot clamps I own. Its...
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    Re: GME's New 80/20 CNC Build - My Design

    But 1/4 x 4 inch thick flat steel is going to flex, not much but enough to transmit vibrations. The diagonal bracing must be either angle or square tubing to be rigid enough. Not an engineer, I am...
  25. Re: Electrical Question - 1 Higher Amp Power Point for 6 Machines

    Sounds like you need an electrician to calculate your power load and upgrade your main panel. If its for a Home shop and your the only one working 150 - 200 amp main should be enough. Your air...
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