Turret Lab Mount diy

[millirad]

This is my labby in the process of being built. Next step is to insert an aixiz module into the center of the 2.25" diameter by 1.5" heat sink. The heat sink rotates up and down, similar to a turret or gimbal. I'm expecting to get 1.5W reliably from this build, with the very large heat sink.

 

[aXit]

445nm build, I assume....

Can I just say that you're kind of messing with the purpose of a labby here.

Labbies lasing only parallel to an optic bench is important for safety, as beams stay can't be thrown up from the bench. I'm not sure your purpose here, but just be careful.

 

[millirad]

Thank you for your safety concerns, which are valid for 1.5W 445nm. My design uses two large stainless set screws on either side of the mount axis. A 3/16" allen wrench tightens the heat sink into which ever position is desired. I call it a labby because it will have an AC/DC power supply( DDL/ATX computer). It isn't a labby in the strictest sense of the definition. I may use two DDL supplies in parallel to allow for cooler LM317 operation.

 

[aXit]

Instead of two in parallel, buy a LM317K, which is the same device, but in a TO-3 package, they handle heat a lot better than TO-220.

 

[iGotUrLaserRightHere hehe]

holy frolicking penguin batman!!!!!

nice heatsink

 

[millirad]

Yeah, I'm going to have to agree. LM317T may not be up to the task. I'll look up your suggestion.
.....................Looks like I'll be going dual LM317K because they max at 1.5 amps. I'll be more comfortable with each regulator running without working too hard.

 

[millirad]

Well maybe just an lm338k instead, with a good heat sink on the regulator.