High-quality Deep hole drill inserts are selected, which have many features such as high processing efficiency, convenient insert changing, long-term use of the tool body, and low tool consumption costs. Machinable carbon steel, high strength alloy steel, stainless steel and other materials.
The invention discloses a cutting blade mounted on a deep hole drill, belonging to the field of cutting processing tools. The result belongs to BTA single pipe drilling, which belongs to the method of external cooling and internal chip removal. The cutting fluid enters between the outer wall of the drill pipe and the machined surface of the workpiece through the oil feeder, reaches the tool head for cooling and lubrication, and pushes the chip from the inside of the drill pipe. In addition to the guiding function, the oil receiver also provides a channel for oil transfer to the cutting zone. The system is widely used, but it is mainly used for deep hole drilling with diameter >12mm due to the limitation of chip removal space in drill pipe hole. The high cutting fluid pressure makes single-pipe drilling systems more reliable than jet drilling, especially when drilling hard-to-break materials such as mild steel and stainless steel. BTA single pipe drilling systems are preferred for high volume, high load continuous processing compared to suction drilling. The result is intended to provide a blade that is not easily stuck and can be used directly for deep hole cutting. The purpose of the achievement can be achieved by the following measures: a deep-hole drilling blade comprises a blade body, the blade body comprises a fixing part and a cutting part, the fixing part comprises a tool face and a mounting hole on the tool face, the cutting part comprises a main cutting edge and a chip breaking slot, and the tip of the main cutting edge is provided with a cross edge. The difference between the above technical scheme and the prior art is that the front end of the existing deep hole drilling blade is the main cutting edge. When the deep hole drilling is directly done, the main cutting edge rotates, the sharp head of the main cutting edge forms line contact with the cutting part, and the main cutting edge is easy to jam; The result is that the transverse edge of the main cutting edge is inclined, and the transverse edge for
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Post time: Nov-15-2024