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24-06-2015 #1
Hi Folks
After many hundreds of hours machining aluminium and plastic we need to replace the Delrin nuts on the X and Y axis of our little Chinese 3020 CNC machine.
Anyone on the forum know if or where these can be obtained?
Hugh
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24-06-2015 #2
What type of screw is on these ?
.Me
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24-06-2015 #3
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24-06-2015 #4
Hello,
Have a look on ebay as i know there is one seller in the UK that has them for sale in dif combinations, I know for sure they do the same screw and a matching Tap, so you could make your own if you wanted to buy the Tap? I do have a ACME tap but i dont think its the right size will go and have a look now...
EDIT:
Try contacting this seller: Trapezoidal ACME Leadscrew & Nut - TR8x1.5 TR10x2 TR12x3 TR16x4 - 3D Printer CNC
They may be willing to sell you just the nuts :).
.MeLast edited by Lee Roberts; 24-06-2015 at 12:52 PM.
.Me
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24-06-2015 #5
You tried contacting the original seller? they usually stock spares.
https://emvioeng.com
Machine tools and 3D printing supplies. Expanding constantly.
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24-06-2015 #6
What diameter do you need them? I've got a 12 x 3 tap and some 25mm black or 30 (something) mm delrin rod so could make some for you?
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24-06-2015 #7
Have you had a look at this thread on making your own. I'm about to try making delrin nuts for my Chester 16v mill using this technique
http://bbs.homeshopmachinist.net/thr...s-the-easy-way
As far as i can determine, delrin and acetal are pretty similar (maybe delrin is just a trade name for acetal ?)
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24-06-2015 #8
Tom, don't!
the forces on the chester are much larger than on the 3020. Stick with your ballscrew idea and use backlash comp in Mach3/4https://emvioeng.com
Machine tools and 3D printing supplies. Expanding constantly.
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24-06-2015 #9
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24-06-2015 #10
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