Electronics Forum: sky hook (2)

Re: Warpage at Wave Soldering Stage

Electronics Forum | Tue Jul 20 14:17:34 EDT 1999 | Curtis

| We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centre

bending PCB Panel

Electronics Forum | Tue Jun 17 15:52:51 EDT 2003 | russ

Is this a single sided or double sided board? We run the first side flat on the oven belt this keeps the board flat for the second side assembly. If the board warps during the second reflow process we will make a support fixture to carry the PCBA

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