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3 methods of CNC prototype deep hole processing, have you got it? Next, Xiehe Processing Manufacturer will give you a brief introduction.

1. The nesting knife processes deep holes. Deep holes with larger diameters (usually greater than 50mm in diameter) should be processed with nesting cutters. This method reduces cutting load, thereby increasing productivity and reducing material consumption. When the diameter of the nesting knife used is small, the overall welding type is often used. When the diameter is large, the assembled or adjustable type can be used. The tool should be equipped with a wear-resistant insert for guidance, which can be made of bakelite, cemented carbide, rolling bearings, etc. Chip separation and chip breaking should also be considered in the blade design. It is also suitable for mass production.

2. Use a long-handled twist drill to process on a general machine tool. The long handle twist drill is to weld the long handle to the ordinary twist drill. Because the axial force is large during drilling, the two edges of the drill bit are not easy to grind symmetrically, the grinding quality of the chisel edge of the drill bit is not easy to ensure, and the tool rod has poor rigidity, so oscillation is prone to occur during processing, and the center line of the hole is prone to deflection because the drill bit The chip space is limited. In order to remove chips and cool the tool, it is necessary to withdraw the drill bit after processing a certain length (usually 5~10 mm). For spindles with longer axis holes, the method of drilling from both ends should be used. Therefore, this deep hole processing method has poor quality, low productivity, and high labor intensity. However, because its tool manufacturing is simple and general-purpose equipment can be used, it is often used in single-piece and small-batch production.

3. Use a deep hole drill to process on a special deep hole drilling machine. The use of deep hole drilling to process deep holes better solves the problems of tool deflection, tool cooling, chip breaking and chip removal in deep hole processing, and significantly improves processing quality and productivity. It can process deep holes of 10~30mm. For deep hole processing machine tools, a special deep hole drilling machine can be used, or an ordinary lathe can be modified.

The above content is the three methods of CNC prototype deep hole processing. I hope it can be helpful to everyone. If you want to know more about five-axis machining, please pay attention to our company's website. We will update the information regularly to answer your questions.