melt / sag print head easy fix January 18, 2014 09:57AM |
Registered: 10 years ago Posts: 176 |
Re: melt / sag print head easy fix January 18, 2014 10:41AM |
Registered: 10 years ago Posts: 119 |
Quote
tru168
Hi,
Some of Ormerod users experienced overheat screws which will melt the print head holder . I apply silicone heat transfer compound in between cooling block surface and heat sink. The heat from cooling block transfer to heat sink very quickly and tested several hours of printing and the two screws are cool to touch.
Ew
Re: melt / sag print head easy fix January 18, 2014 10:50AM |
Registered: 10 years ago Posts: 176 |
Re: melt / sag print head easy fix January 18, 2014 11:22AM |
Registered: 10 years ago Posts: 275 |
Quote
tru168
Hi,
Some of Ormerod users experienced overheat screws which will melt the print head holder . I apply silicone heat transfer compound in between cooling block surface and heat sink. The heat from cooling block transfer to heat sink very quickly and tested several hours of printing and the two screws are cool to touch.
Ew
Re: melt / sag print head easy fix January 18, 2014 11:41AM |
Registered: 10 years ago Posts: 119 |
Quote
tru168
TMD:
Try it, you can feel the deference before and after. I used just sparingly to avoid dirty heatsink.
Ew
Re: melt / sag print head easy fix January 18, 2014 12:33PM |
Registered: 10 years ago Posts: 265 |
Quote
Ian
Use the two screws into the cooling block to hold all five major pieces together. If you have it you can put a little heatsink compound between the cooling block and the heatsink.
Re: melt / sag print head easy fix January 18, 2014 01:28PM |
Registered: 10 years ago Posts: 176 |
Re: melt / sag print head easy fix January 18, 2014 01:52PM |
Registered: 10 years ago Posts: 119 |
Quote
tru168
I didn't see that instruction when I assemble mine.
Re: melt / sag print head easy fix January 18, 2014 11:58PM |
Registered: 10 years ago Posts: 256 |
Re: melt / sag print head easy fix January 19, 2014 06:43AM |
Registered: 13 years ago Posts: 1,611 |
Re: melt / sag print head easy fix January 19, 2014 12:00PM |
Registered: 10 years ago Posts: 14,672 |
Quote
droftarts
So long as there's good contact between the heatsink and the aluminium heater block, there shouldn't be any great need for extra compounds between them; I don't usually worry about it. They're both aluminium, and conduct heat rapidly. Thermal paste such as Arctic Silver has an upper heat limit, which we exceed, so the paste may dry out and be a BARRIER to heat transfer:
From the Arctic Silver site: [www.arcticsilver.com]
Extended Temperature Limits:
Peak: –50°C to >180°C
Long-Term: –50°C to 130°C
Re: melt / sag print head easy fix January 19, 2014 12:05PM |
Registered: 13 years ago Posts: 1,611 |