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Milling cutters for metal is a kind of rotary cutter with one or more teeth for milling. When each knife is working, the teeth cut off the margin of the workpiece sequentially and intermittently. Tungsten milling cutter are mainly used for machining planes, steps, grooves, forming surfaces and cutting workpieces on tungsten milling machines. Tungsten steel milling cutter is a tool made of tungsten steel (tungsten carbide, also known as a tungsten-cobalt alloy). Generally, it is mainly used for CNC machining centers and CNC engraving machines. It can also be installed on an ordinary milling machine to process some harder and less complex heat-treated materials. Tungsten steel milling cutter is widely used and its processing speed is fast.

In addition to the commonly used 50°, 55°, 60°, 65° according to the material HRC hardness of the tungsten steel cutter, it also has the following three typical application scenarios:

1. End Mills for Aluminum

Due to the low melting point of aluminum during aluminum processing, it is easy to stick chips, so it is recommended to use end mills for aluminum. After coating, the friction force of the tool is smaller, the chip removal is better, the surface quality is higher, and the aluminum alloy can be processed better. Generally, the number of cutting edges is 3, and the material is 10% cobalt cemented carbide, which can reduce the chemical affinity between the cutting tool and aluminum alloy. General CNC tool brands have special milling cutter series products for processing aluminum alloy.

2. End Mill for Steel

Some stainless-steel tools are stick, it is mainly due to the heat generated by cutting that cannot be discharged. The rotation speed of side edge milling is slightly lower than that of general steel parts. Remember that the rotation speed should not be too high, and it is better to choose the cutting edge of unequal cutting.

3. End Mills for Titanium

Titanium alloy is a kind of difficult to machine material, the main reason is that the thermal conductivity is poor and the elastic modulus is small. Therefore, the cutting performance of the material is poor, and the abrasion on the tool is relatively large. In particular, the surface material to be processed has greater resilience, which makes the tool flank abrase faster. The sharp edge of end mills for titanium reduces the cutting resistance and at the same time reduces the abrasion on the cutting edge.

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