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IndustryArena Forum > MetalWorking Machines > Benchtop Machines > RF-45 Clone Mill > Drac's Zx45 CNC conversion progress

Thread: Drac's Zx45 CNC conversion progress

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  1. 03-12-2015, 05:18 AM #1
    109jb
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    Re: Drac's Zx45 CNC conversion progress

    80 pounds of torque? If you mean 80 inch pounds that would equate to 1280 oz-in and about 2300 pounds of axial screw force for a 5mm lead ball screw. I would not call it backlash with the gibs locked down. Backlash should be measured with properly adjusted gibs using a dial indicator to determine the backlash.
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  2. 03-13-2015, 01:46 AM #2
    dracozny
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    Re: Drac's Zx45 CNC conversion progress

    Quote Originally Posted by 109jb View Post
    80 pounds of torque? If you mean 80 inch pounds that would equate to 1280 oz-in and about 2300 pounds of axial screw force for a 5mm lead ball screw. I would not call it backlash with the gibs locked down. Backlash should be measured with properly adjusted gibs using a dial indicator to determine the backlash.
    To clarify we have already adjusted the gibs properly with a dial indicator. We are trying to identify other causes of backlash at this point. lubrication is also ruled out.
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