How to set the reflow transport speed

The adjustment of reflow transport speed directly affects the welding quality of reflow products. Usually the reflow transport speed setting should be determined according to the entire reflow temperature curve, the following JEENOCE to tell you how to set the reflow transport speed.

1, from the point of view of production efficiency, the faster the speed of reflow transportation, the more products passed in the reflow furnace per unit time. However, considering the heat shock resistance of the components and the heat compensation capacity of each furnace, the transport speed can only be as high as possible under the premise of meeting the standard solder paste curve.

2, transport and heat compensation performance combined can be directly used as a constant furnace performance indicators. In general, under the condition that we meet the normal output of the market, the closer the maximum temperature setting of the furnace is to the measured temperature of the main PCB board, we say that the heat compensation performance of this furnace is good.

3, for the PCB board, too fast or too slow speed will make the component experience too long or too short heating time, resulting in volatilization of flux and solder joint eat tin changes, exceeding the allowable heating rate of the component will also cause a certain degree of damage to the component. Therefore, in terms of the transportation speed of the furnace, in different customers, we adjust the appropriate transportation speed on the premise of meeting the standard curve, and on the premise of meeting the production requirements of customers as far as possible.