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Characteristics of machining of single-sided circuit boards
The object of machining of single-sided circuit boards is the base material of single-sided circuit boards, copper-clad laminates. Copper-clad laminates are made by hot-pressing insulating materials and copper foil using adhesives. There are two main types of single-sided circuit board substrate copper-clad laminate reinforcement materials: one is glass fiber cloth and the other is paper base. At present, the most commonly used single-sided circuit board industry is epoxy fiberglass cloth board.
Whether it is a paper substrate or a fiberglass cloth board, its mechanical processing performance is relatively poor. It can be seen from their structural composition that they are all brittle and obviously layered, with high hardness, which causes great wear on the tools used in machining. The plates contain incompletely cured resin, and the heat generated by mechanical friction during processing will The incompletely cured resin softens and becomes sticky, increases friction resistance, breaks the tool, and produces greasy stains, which affects the processing quality. In order to improve the processing quality, carbide cutting tools need to be used. Only large feed cutting operations can ensure the processing quality.
Zhongtian Yuan Circuit Board Co., Ltd. is a high-tech enterprise in Zhengzhou specializing in the R&D, production and processing of B circuit boards, multi-layer printed boards, and aluminum substrates
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