Characteristics of V-cut PCB Separator and Factors Affecting Stress V-cut PCB separator is also called PCB cutter. It adopts a new type of linear/circular cutter design, and completes the micro shear stress cutting stroke at one time. The cutter is suitable for cutting PCB with V-groove. The board does not move, and the cutting blade moves forward and backward. The shear stress is reduced and the ...
The Cause of PCB Bening and Warping Issue In the SMT process, most of the circuit boards are prone to board bending and warping when passing through Reflow. In severe cases, it may even cause components such as empty soldering and tombstones. How can we overcome it? The cause of each board bending and board warping may be different, but it should all be attributed to the stress applied to the boar...
How can we prevent the board from bending and warping when the board passes through the reflow furnace? 1. Reduce the effect of temperature on the stress of the board Since "temperature" is the main source of board stress, as long as the temperature of the reflow oven is lowered or the rate of heating and cooling of the board in the reflow oven is slowed, the occurrence of plate bending and warpag...
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