There are many types of cemented carbide tools with different shapes. Cutting is an important process to create the shape and size of the product. After cutting, the product will inevitably produce chips. If the chips are not handled properly, it is easy to cause product damage, lower quality, and lower production efficiency. Therefore, chip processing is a key step in the process design of cemented carbide products.
The composition and hardness of the workpiece material, chip parameters, chip fluid, machine tools must have the necessary power and mechanical rigidity, and the geometric parameters of the tool.
Changing the angle of the cemented carbide tools, increasing the leading angle of the tools, and increasing the cutting thickness, is conducive to chip breaking; reducing the rake angle of the tool makes the chips easy to break.
Adopt the chip breaker, and the chip breaker is set to exert a certain restraining force on the chips in the flow, so that the chip strain is increased and the chip curling radius is reduced.
Adjust the cutting amount of cemented carbide tools, increase the feed rate to increase the cutting thickness, and appropriately reduce the cutting speed, which is beneficial to chip breaking, but it will reduce the material removal efficiency. Therefore, the cutting amount should be selected according to the actual conditions.
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