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  1. #1
    Quote Originally Posted by Davek0974 View Post
    If using R&P, yes spring load the pinion against the rack - this takes out 99% of the backlash, but also fit a stop to the motor/plate to stop it being able to disengage or jump the rack if overloaded, a jumping pinion will chew both rack and pinion instantly meaning an expensive fix, far better to stall the stepper.

    I use R&P on my plasma table and its been flawless so far.
    I was thinking a dual pinion setup to remove the backlash, if I build this I'll put servos on it.

    When the time is right I should come down and give you fusion 360 lessons and you can help me with my R&P ;)

    Ordered myself a new phone

    https://www.banggood.com/Elephone-S8...r_warehouse=HK

    Cheap Chinese of course have better things to spend money on.
    Last edited by Desertboy; 16-12-2017 at 02:25 PM.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

  2. #2
    Looks neat ;)

    Skickat från min SM-G955F via Tapatalk

  3. #3
    Quote Originally Posted by Nr1madman View Post
    Looks neat ;)

    Skickat från min SM-G955F via Tapatalk
    It just fits and I mean just lol I had to tap it in the corners which is the fit I wanted was stressed about this cut as I had to outsource the cut and I knew it would be a bastard luckily I got a friendly a wood guy to help me out.

    As soon as you say i want 135.1cm *100cm people look at you funny lol.
    Last edited by Desertboy; 18-12-2017 at 07:19 PM.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

  4. #4
    I'm going to make a frame from 2*1 on ply wood so the router sits on the frame, then drill a hole in the ply for the vac bed. I can very easily drop the router onto anti vibration mounts or sit it on 20cm thick rubber bump stops.

    Is there any point?
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

  5. #5
    My wiring is dodgy on the spindle, luckily I didn't damage it!

    I need to resolder properly but I decided today I was in disaster mode and anything I do will break things even more lol. Asked my electrician mate to come help me sort it.

    Tripping out RCD so it's earth related.

    But we did do a test cut ;)Click image for larger version. 

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    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

  6. #6
    Quote Originally Posted by Desertboy View Post
    My wiring is dodgy on the spindle, luckily I didn't damage it!

    I need to resolder properly but I decided today I was in disaster mode and anything I do will break things even more lol. Asked my electrician mate to come help me sort it.

    Tripping out RCD so it's earth related.

    But we did do a test cut ;)Click image for larger version. 

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ID:	23438
    Congrats, the first movement is always the sweetest.

  7. The Following User Says Thank You to Chaz For This Useful Post:


  8. #7
    Do you like the cam in fusion? Does it feel intuitive?

    Skickat från min SM-G955F via Tapatalk

  9. #8
    Quote Originally Posted by Nr1madman View Post
    Do you like the cam in fusion? Does it feel intuitive?

    Skickat från min SM-G955F via Tapatalk
    Not tried generating code and running in linuxcnc yet, I don't have the homing switches on yet I did fit one set badly lol so I've decided to put roller type sideways on as someone recommended originally lol. I have the switches just keep snapping drill bits need to get a 3.2mm for the switches.

    I feel confused but for most of the build I've been confused it's a feeling I'm getting used to lol. I hadn't realised when i started the build quite how much you're going to have to learn especially Fusion although I'm so glad I did now.

    I have just purchased the mock exams for fusion 360 certification (Going to get certified next year just for kicks) you would laugh if you saw how easy they were lol I'm going to be embarrassed if I fail the certification lol but I'd also be surprised.

    Linuxcnc also has some great plugins for generating gcode, image2gcode (which is built in) is something I'll have to check out.
    Last edited by Desertboy; 30-12-2017 at 01:01 PM.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

  10. #9
    Quote Originally Posted by Desertboy View Post
    Not tried generating code and running in linuxcnc yet, I don't have the homing switches on yet I did fit one set badly lol so I've decided to put roller type sideways on as someone recommended originally lol. I have the switches just keep snapping drill bits need to get a 3.2mm for the switches.

    I feel confused but for most of the build I've been confused it's a feeling I'm getting used to lol. I hadn't realised when i started the build quite how much you're going to have to learn especially Fusion although I'm so glad I did now.

    I have just purchased the mock exams for fusion 360 certification (Going to get certified next year just for kicks) you would laugh if you saw how easy they were lol I'm going to be embarrassed if I fail the certification lol but I'd also be surprised.

    Linuxcnc also has some great plugins for generating gcode, image2gcode (which is built in) is something I'll have to check out.
    I know the confused feeling :D
    There are 200 sidesteps to complete an otherwise straight forward cnc build haha.

    The cam bit is something I dont look forward to.
    I know its gonna be a mental battle with lots of rage for my part while the software will be laughing at me ;)

    For CAD i actually like solidworks better.. but Im not really good at it yet hehe.. my laptop is not powerful enough to run it without quirks and protest! Will have to invest ;)

    Skickat från min SM-G955F via Tapatalk

  11. #10
    Quote Originally Posted by Nr1madman View Post
    I know the confused feeling :D
    There are 200 sidesteps to complete an otherwise straight forward cnc build haha.

    The cam bit is something I dont look forward to.
    I know its gonna be a mental battle with lots of rage for my part while the software will be laughing at me ;)

    For CAD i actually like solidworks better.. but Im not really good at it yet hehe.. my laptop is not powerful enough to run it without quirks and protest! Will have to invest ;)

    Skickat från min SM-G955F via Tapatalk
    What are you intending to control your machine with?

    I went with linuxcnc over mach 3 because
    1. I believe in open source
    2. More real time kernal than windows which is important when using a PP BOB. If you're using the BOB I have with Mach 3 you need to run windows 7 or below 32 bit edition. Linuxcnc still needs to be 32 bit edition for PP BOB's.
    3. It's FREE!!!

    I worked the assumption that linuxcnc will be more difficult to setup but once working properly neither would have an advantage over the other for a simple router like mine.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

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