PCB News - Why should the PCB board keep the process edge

Why should the PCB board keep the process edge

The PCB board is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. In the production process of PCB circuit boards, it is necessary to leave a process edge for the PCB circuit board, so why should a certain process edge be reserved for the PCB circuit board?

In fact, the process side of the PCB board is to assist in the production of the plug-in board, and the part of the welding wave on the two or four sides of the PCB board. It is mainly used to assist in the production. It is not part of the PCB board and can be removed after the manufacturing is completed.

The main reason for leaving the process side is that the track of the SMT placement machine is used to clamp the PCB board and flow through the placement machine, so the components that are too close to the track side are sucked in the nozzle of the SMT placement machine and mounted to When the PCB board, the phenomenon of collision occurs, and the production cannot be completed, so a certain process edge must be reserved, such as 2~5mm and so on. The same applies to some plug-in components to prevent similar phenomena during wave soldering.

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