1. The processing method of the printed board shape: (1) Milling the shape. Using a CNC milling machine to process the shape requires the milling shape data and corresponding pipe hole files provided by the programmer. Typically, the spacing between printed boards is about 3mm, so a 3mm diameter milling cutter is used. Pipe holes are drilled on the milling bed, and the printed board is then fixed to the bed with pins before milling the shape. (2) Punching the shape. A mold is required for punching the shape, with pipe position nails on the mold corresponding to the printed board’s pipe position holes. A hole of about φ3.0mm is selected as the pipe position hole. (3) Open “V” grooves. Use a “V” groove cutter to cut the printed board into several connected parts along the design’s “V” groove line. (4) Drill shapes. Use a drill press to drill holes along the outline. “V” grooves and drill shapes are typically used as auxiliary processing methods.
2. The choice of shape processing method. The selection of the shape processing method is typically based on customer requirements and batch processing. When selecting the milling shape method, attention should be paid to the cutting point and the direction of the cutting tool. It is important to ensure the cutting direction of the cutting shape is 180 degrees from that of the milling groove. Similarly, attention should be paid to the cutting point for milling inner grooves and starting actions. Additionally, the placement of pipe holes greatly influences shape processing quality and efficiency.
3. “V” grooves and drill shapes are effective auxiliary means for shape processing. “V” grooves are commonly used when reducing milling time for small printed board units. Additionally, opening “V” grooves after milling the shape can improve efficiency and assist with cleaning and product packaging. This method also increases the utilization rate of board materials. When using “V” grooves, stamp holes can be added in the printing room for boards that cannot open a variety of boards together.
4. The placement of pipe position holes is crucial in shape processing, whether using punching or milling methods. It is important to consult with customer technical experts to determine the best placement for pipe holes. The addition of process edges often requires consultation and can greatly influence the utilization rate of the mold and labor productivity. When adding pipe holes to printed board units, consideration should be given to the spacing and placement to ensure proper processing. Additionally, the addition of stamp holes and process blocks can improve processing efficiency and reduce hanging points. Overall, the development of printed circuit board design is driving advancements in shape processing technology.
2. The choice of shape processing method. The selection of the shape processing method is typically based on customer requirements and batch processing. When selecting the milling shape method, attention should be paid to the cutting point and the direction of the cutting tool. It is important to ensure the cutting direction of the cutting shape is 180 degrees from that of the milling groove. Similarly, attention should be paid to the cutting point for milling inner grooves and starting actions. Additionally, the placement of pipe holes greatly influences shape processing quality and efficiency.
3. “V” grooves and drill shapes are effective auxiliary means for shape processing. “V” grooves are commonly used when reducing milling time for small printed board units. Additionally, opening “V” grooves after milling the shape can improve efficiency and assist with cleaning and product packaging. This method also increases the utilization rate of board materials. When using “V” grooves, stamp holes can be added in the printing room for boards that cannot open a variety of boards together.
4. The placement of pipe position holes is crucial in shape processing, whether using punching or milling methods. It is important to consult with customer technical experts to determine the best placement for pipe holes. The addition of process edges often requires consultation and can greatly influence the utilization rate of the mold and labor productivity. When adding pipe holes to printed board units, consideration should be given to the spacing and placement to ensure proper processing. Additionally, the addition of stamp holes and process blocks can improve processing efficiency and reduce hanging points. Overall, the development of printed circuit board design is driving advancements in shape processing technology.
