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OPAL XII user manual

Electronics Forum | Tue Feb 06 20:17:39 EST 2024 | redspare1

I'm looking for the user manual for this machine software v 1.24 I'm also open to someone who can support the machine with technical questions.

Stencils with two PCB layouts

Electronics Forum | Wed Feb 07 14:59:26 EST 2024 | madisreivik

I have noticed that at least for lasercutted stencil the price is mostly for apertures, so not much savings. For hand stenciling it may give some minor cost benefits but is it worth it? Messing around with tape and stuff...

Etching comments on Stencils

Electronics Forum | Wed Feb 07 15:03:54 EST 2024 | madisreivik

Also, if you use etching pen, clean the surface first with solvent as grease blocks the etchant. Some rubbing with steel wool should also help.

Stencils with two PCB layouts

Electronics Forum | Wed Feb 07 15:04:57 EST 2024 | ttheis

We commonly put two images on a stencil 180 deg apart to save space and reduce cost. We keep the image centered left/right because the machines don't like it when they are offset, but turning them around front to back is no issue.

Reflow N2 PPM Fluctuation Issue

Electronics Forum | Thu Feb 08 13:17:40 EST 2024 | mistrthou

A welding regulator can regulate flow over pressure. Maybe look at one of those.

Reflow N2 PPM Fluctuation Issue

Electronics Forum | Thu Feb 08 16:26:39 EST 2024 | proceng1

I know that we maintain lower PPM count from our N2 Generators when we can lower the flow rate. I'm not sure if that would help you or not.

Reflow N2 PPM Fluctuation Issue

Electronics Forum | Thu Feb 08 16:54:47 EST 2024 | mistrthou

Does your nitrogen supplier have any recommendations for controlling flow? Sounds like the regulators are inadequate or not working properly.

Reflow N2 PPM Fluctuation Issue

Electronics Forum | Thu Feb 08 17:35:45 EST 2024 | stephendo

fluctuating PPM is not the Nitrogen if you are using liquid Nitrogen. It is the Oxygen. Your problem is not with the Nitrogen flow, it is Oxygen getting in your oven.