Old 04-10-2012, 07:33 AM #1
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Default WTB: Parabolic Heatsink: Requires CNC

Hey everyone. So I have a project that some of you may have found out about through that other WTB thread I have up about the efficient diodes. However, this is a slightly more odd request.

I have a host that I need a heatsink for. Normally, I would make the heatsink myself. However, in this case, the interior of the head is conically and parabolically shaped (i.e. it is a curved cone, much like a semi-ellipsoid). This would be nearly impossible to get a great fit on a manual lathe, and I need the heatsink here to make good thermal contact with the body. So, I am going to outsource it.

Is anyone who has access to a CNC machine capable of doing such cuts? I am not even sure if it's possible, to be honest . But I figured I would ask here before contracting out to the head machinist here at ASU (he is a bit of a stickler for no commercial uses -.- ).

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Old 04-10-2012, 08:38 AM #2
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Default Re: WTB: Parabolic Heatsink: Requires CNC

You have some pretty interesting projects brewing...
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Old 04-10-2012, 12:10 PM #3
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Default Re: WTB: Parabolic Heatsink: Requires CNC

Maybe it is easier to flattened out the host and the sink. To match two parabolical surfaces is nearly impossible.
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Old 04-10-2012, 03:54 PM #4
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Default Re: WTB: Parabolic Heatsink: Requires CNC

That was my initial thought Blord, but unfortunately, the outside of the host is actually curved as well, so I can't really bore out the inside to make it flat
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Old 04-10-2012, 04:16 PM #5
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Default Re: WTB: Parabolic Heatsink: Requires CNC

How thick is the head in the curved area's?
Would it be possible to cut like flat steps in the host and make a heatsink to fit?
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Old 04-10-2012, 04:22 PM #6
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Default Re: WTB: Parabolic Heatsink: Requires CNC

Yeah, I was just thinking that... I may be forced to do that, unfortunately. :\
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