Electronics Forum: quad 531b (1)

Limitations of top side only reflow ovens

Electronics Forum | Fri Jun 04 21:27:16 EDT 2010 | deanm

We have a 4 zone Quad ZCR 531B reflow oven with top side heaters only and a mesh belt. Our boards are 2-6 layer, range in size from 2x2 to 7x15, 0402 to D2PAK. What are the limitations/drawbacks of having top side only heat, especially since about ha

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    Fully operational Quad ZCR 531B four zone reflow oven. Cooling fans at exit. Top side only heaters, 19" mesh belt only. PC controlled with DOS software. 208 three phase, 32A at start up. Includes software disk, operation and service manual. S

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