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How to set the correct reflow temperature curve

2015/4/17  人气:121

First, we need to understand several key parts of the reflow soldering and the kinds of partition and reflow temperature. Influence of furnace temperature is key areas:
1: each temperature zone temperature setting value
2: the heating temperature of the motor
3: the chain and the speed of net belt
4: the composition of the solder paste
5: PCB thickness and element size and density
Number 6: the heating area and the length of reflow soldering
7: the characteristics of the effective heating area length and ling but, etc
Reflow soldering partition situation: 1: preheating zone (aka: heating area)
2: constant temperature area (heat preservation area/active area)