The Shop > CNC
Ender 3 - General discussion
philf:
Pekka, is there room for a lock nut?
PekkaNF:
Next to heat plate? I need to check how it is build. They all are pretty loose. I noticed that when I mounted all the the parts. I assumed that the plate screws were held there pretty much by friction only. The screws were somewhat "loose", I though that it was a design feature to allow larger tolerances on heat plate screw location and mount plate hole location.
philf:
I made a new mount plate with one tight location hole, one slotted hole and two clearance holes to allow for expansion whilst stopping the heated plate randomly moving about. The screws through the heated plate are tight and don't turn when I adjust the level.
Will_D:
I am still having periodical problems with starting a print!
Manually set bed and extruder to 210 and 75.
Manually try to feed filament - no go
Try the move axis/extrude several mm or more and no the extruder just pushes and then filament springs back with a click.
Switch off, switch on, reset bed and extruder and guess what filaments flows no problem!
Brass_Machine:
--- Quote from: Will_D on January 26, 2020, 10:27:45 AM ---....
One final question:
Why is it considered a major upgrade to fit a "Swiss all metal hot end" for 70£ or so when the one supplied is all metal (ok aluminium as against titanium)
...
--- End quote ---
As I understand it... An all metal hotend allows you to print in more than just PLA & ABS. I know the stock one can handle PETG as well.
The reasoning... the Bowden tube butts against the hotend and can only handle so much heat before it deforms and melts. With an all metal hot end, the bowden tube butts against the cold side and not the hot.
I have an all metal hotend in my Ender3 and it works very well.
Eric
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