source:Industry News release time:2024-05-27 Article author:yu Popular:pcb
The V-CUT depth standard of PCB is determined according to the thickness of the plate, usually the V-CUT depth is half of the thickness of the board. For example, for a 1.6mm thick sheet, the V-CUT depth should be 0.8mm, and the sheet residual thickness should also be 0.8mm. This standard applies to plates of different thicknesses, and so on.
In addition, there are clear standards for the size and thickness range of V-CUT boards. The automatic V-CUT has a maximum width of 600mm and a maximum length of 690mm. If the length exceeds 620mm, add pipe position holes on both sides. The processing width of the VCM-450V-CUT machine is 50-450mm and the processing length is 70-5450mm. The processing position of the V slot is 3-405mm with the first cutter and 45-447mm with the second cutter. The minimum processing range is 80mm×80mm, if the board design is less than this range, special treatment is required to produce. The thickness range of V-CUT plate is 0.4-2.0mm, for the plate thickness below 0.6mm need to use a new knife, below 0.5mm need to check whether the machine bearing wear, if the wear is serious, can not be V-CUT.
There are also specific requirements for the minimum distance between the center of the V-CUT wire and the copper wire to meet the needs of the production of film for plates of different thicknesses.
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