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Old 08-31-2014, 02:16 AM #1
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Default Lab module heatsink mount for 445 diode

I would like a recommendation for a lab-style heatsink that I can put around my 445 2W laser before attaching it to computer heatsink.

I do see this review Heatsink Style TO18 Laser Diode House w H Fan Cooling Match for MP905 Lens | eBay

However, I am not sure it will fit my 2W 445
https://sites.google.com/site/dtrlpf...45-m140-didoes


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Old 08-31-2014, 02:31 AM #2
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Default Re: Lab module heatsink mount for 445 diode

TO-18 is 5.6mm, so it will work with an M140.

Don't attach it to a computer heatsink. That's just silly. That lab heatsink + fan will be enough to cool the diode.
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Old 08-31-2014, 02:45 AM #3
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Default Re: Lab module heatsink mount for 445 diode

I assume this means I will need to remove my current diode from its copper housing and transplant everything to the new heatsink? I came into posession of this diode with the housing (same link from dtrlpf above) already installed. What should I watch out for when performing such transplant?
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Old 08-31-2014, 02:49 AM #4
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Default Re: Lab module heatsink mount for 445 diode

If you already have it in a copper module it's probably not a good idea to get that heatsink as you may have to modify parts to make it work.
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Old 08-31-2014, 03:02 AM #5
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Default Re: Lab module heatsink mount for 445 diode

Ok. So if I want to keep the copper module, what lab-style heatsink can I use as a drop-in for such module?

Perhaps this? http://www.ebay.com/itm/Heat-Sink-Ho...item3cbaf6ace2

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Old 08-31-2014, 03:34 AM #6
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Default Re: Lab module heatsink mount for 445 diode

Quote:
Originally Posted by dattanchu View Post
Ok. So if I want to keep the copper module, what lab-style heatsink can I use as a drop-in for such module?

Perhaps this? Heat Sink Holder Mount for 12mm Laser Modules | eBay
Those have poor module contact. I wouldn't recommend it.

These are made to clamp onto 12mm rods, but also work great for 12mm modules.
12mm SK12 Linear Rail Shaft Guide Support Bracket Bearing CNC Step Motor | eBay
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Old 08-31-2014, 06:05 PM #7
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Default Re: Lab module heatsink mount for 445 diode

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Originally Posted by dattanchu View Post
I would like a recommendation for a lab-style heatsink that I can put around my 445 2W laser
If you want a lab-style heat sink then try one of these from Mrcrouse:
Updated: Mounting Bases Added: FS: Large Square Heatsinks, Labby, Testing, TEC $15ea
You could also add a fan behind it for longer run time.

or a Z-Bolt heat sink with or without a fan:
https://shop.z-bolt.com/Green-Laser-...ries_c_14.html

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