LitePlacer.com forums

I had been hoping to avoid putting extra preheat elements in, but I might still do it as a last resort.

I leave the Galden in all the time - there is a perspex cover for the tank. The next modifications are shifting the shafts and sprockets inside the tank, with the shafts protruding from the tank for the drive to be attached. I also have a cooling circuit ready to go on around the top of the tank. Th...

Pic1.JPG A panel in transit. Pic2.JPG General view - the base is insulated with refractory insulation to reduce heat loss. Pic3.JPG I tried using a thermal imaging camera to view reflow - It doesn't work. Once the panel is in the vapour only the surface of the vapour is visible. I loose a little mo...

I use an oven I made last year, with Galden. It uses a motorised gantry to lower the PCB into the vapour. Still a work in progress, but I've put several hundred boards through in the year. Because of a combination of transformers, TQFPs and sometimes power devices, vapour phase was pretty much the o...

I keep the paste in a refrigerator and have some with a use by date of 2014 - it still works fine. Farnell do syringes, but not of that particular paste.

Clean stencils are vital - I clean with solvent and dry between each print. Compressed air is good, if it is available.
I use Multicore 96SC LF318, and see very little slump even after 3 hours.