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Milling Cutters

Milling Cutters are rotary cutting tools with one or more teeth for end milling. When working, the cutter teeth cut off the allowance of the workpiece intermittently in turn.
Milling cutter is mainly used for machining plane, step, groove, forming surface and cutting workpiece on milling machine. Any requirements, please let us know

Milling Cutters Details

Milling Cutters High hardness and wear resistance: At room temperature, the cutting part of the material must have sufficient hardness to cut into the workpiece; with high wear resistance, the tool will not wear and extend the service life.

Good heat resistance: The tool will generate a lot of heat during the cutting process, especially when the cutting speed is high, the temperature will be very high. Therefore, the tool material should have good heat resistance, even at high temperatures. It can maintain high hardness and can continue cutting. This property of high temperature hardness is also called hot hardness or red hardness.

High strength and good toughness: In the cutting process, the tool has to withstand a great impact, so the tool material must have high strength, otherwise it is easy to break and damage. Because the milling cutter is subject to impact and vibration, the milling cutter material should also have good toughness to prevent chipping and chipping.

Materials for milling cutters

Hight speed steel

It has the following characteristics:
a. The content of alloying elements tungsten, chromium, molybdenum and vanadium is relatively high, and the quenching hardness can reach HRC62-70. At a high temperature of 600°C, it can still maintain high hardness.
b. The cutting edge has good strength and toughness and strong vibration resistance. It can be used to manufacture tools with general cutting speed. For machine tools with poor rigidity, high-speed steel milling cutters can still be used for smooth cutting.
c. Good process performance, forging, machining and sharpening are relatively easy, and tools with more complex shapes can be manufactured.
d. Compared with cemented carbide materials, it still has the disadvantages of lower hardness, poor red hardness and wear resistance.

Cemented carbide

Its main features are as follows:
a. It can withstand high temperature and can still maintain good cutting performance at about 800-1000℃. When cutting, the cutting speed can be 4-8 times higher than that of high-speed steel.
b. High hardness at room temperature and good wear resistance.
c. The bending strength is low, the impact toughness is poor, and the blade is not easy to sharpen.

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