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Pulley Teeth Defination Poor

adilmalik

Pulley Teeth Defination Poor
July 03, 2013 06:32AM

Registered: 11 years ago
Posts: 27

I just build my Reprap Huxley and from the start it prints great. But when i tried to print pulleys (GT2), there is barely any teeth definition, it just prints a wavy cylinder. Upon closer inspection i saw that the spacing between the teeth is correct but they are just not deep enough.

Im using a 0.5mm nozzle.

Any ideas on how to improve this?

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waitaki

Re: Pulley Teeth Defination Poor
July 03, 2013 07:09AM

Registered: 11 years ago
Posts: 1,592

A picture is worth a thousand words..

_______________________________________
Waitaki 3D Printer

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adilmalik

Re: Pulley Teeth Defination Poor
July 04, 2013 05:27AM

Registered: 11 years ago
Posts: 27

Ah yes ofcourse, i have attached 3 pictures now. You can see the poor teeth definition. How can i improve this?

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Attachments:
open | download - IMG_20130704_101839.jpg (589.1 KB)
open | download - IMG_20130704_101853.jpg (583.5 KB)
open | download - IMG_20130704_101859.jpg (556 KB)

waitaki

Re: Pulley Teeth Defination Poor
July 04, 2013 06:45AM

Registered: 11 years ago
Posts: 1,592

Maybe print slower, 2 at a time with cooling on the part (if its PLA). Make sure your belts are tensioned properly too. Having said that, you would be well advised to buy some aluminium pulleys.

_______________________________________
Waitaki 3D Printer

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adilmalik

Re: Pulley Teeth Defination Poor
July 04, 2013 07:04AM

Registered: 11 years ago
Posts: 27

Regarding belt tensioning, is there a video example of how tight the belts should be? Im really not sure.

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Komb'

Re: Pulley Teeth Defination Poor
July 04, 2013 10:16PM

Registered: 12 years ago
Posts: 198

Advice I've heard that works for my Prusa and Wallace8mm machines is to tighten the belts to a low pitched twag.

Huxley, being a smaller printer, I can't be sure.

Komb'
Glankonian Protoforms

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waitaki

Re: Pulley Teeth Defination Poor
July 05, 2013 04:06AM

Registered: 11 years ago
Posts: 1,592

Yeah, something like that. Perhaps like a guitar string sound when plucked.

_______________________________________
Waitaki 3D Printer

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ztoone

Re: Pulley Teeth Defination Poor
July 11, 2013 04:54AM

Registered: 10 years ago
Posts: 6

Yeah, the picture has explained everything.

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MrTeee

Re: Pulley Teeth Defination Poor
September 29, 2013 11:30AM

Registered: 10 years ago
Posts: 2

I had same problem. After contacting Reprap, they replyed they print thier gears with a .3mm nozzle

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Dirty Steve

Re: Pulley Teeth Defination Poor
September 30, 2013 09:26AM

Registered: 11 years ago
Posts: 560

I think a .5mm nozzle may be too big for GT2 teeth. Never have a problem with my .25mm nozzle and small gear teeth.