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| Building a 3D Printer, RepRap Mendel Prusa2 by craynerd |
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| raynerd:
Hi, thanks for the posts guys. The prusa has been a little ignored over the last few days but I have had a good few hours with it last night. Despite my best efforts at machining a coupling, I found the thread was unscrewing while the motor was moving. I could have tapped the coupling for a grub screw on the threaded end but I decided to give the plastic couplings a try and they seem much better. I think consequently my z wasn`t moving. I`ve also been using M92 g code to set the e-steps on the fly and observing the differences - this has been better. Got some pretty good prints of bearing holders last night. I`ll post more pics and progress soon. Once again, thanks for the interest. |
| raynerd:
Cracked it...finally! If anyone makes one, learn to tune the E step on the fly with M92 E .... with G-code!!!!!!! Two night work sorted in 5 minutes. Also, I`d got a wierd copy of Marlin. I`ve moved over to Sprinter now. Z axis was out by a mile... now it is square my prints look v good! Here is a case for my new Raspberry Pi!! |
| andyf:
Nice one, Chris; raspberry on the front and sort of raspberry coloured, too :clap: I'm often stuck for a box to house some electronic project; being able to make your own custom ones must be a real boon. Andy |
| Swarfing:
Grand job Chris, might get you to make one for me if your board :) PS Answer that mail will you? |
| philf:
--- Quote from: craynerd on May 31, 2012, 06:26:16 PM ---Cracked it...finally! --- End quote --- Hi Chris, Super job! :thumbup: Is the rest of your post in some sort of Cypher? --- Quote ---"tune the E step on the fly with M92 E" "I`d got a wierd copy of Marlin. I`ve moved over to Sprinter now" --- End quote --- :scratch: :beer: Phil. |
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