Features of aluminum alloy special milling cutter
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Features of aluminum alloy special milling cutter

Views: 70     Author: Site Editor     Publish Time: 2022-04-26      Origin: Site

Many people will ask what CNC tools are used for processing milling aluminum alloy. At present, the processing aluminum parts used are mainly divided into two categories: deformed aluminum alloy and cast aluminum alloy, so processing aluminum alloy special milling cutter, is it better to use aluminum alloy special milling cutter or aluminum alloy special tool, its processing efficiency?

First, the processing characteristics of aluminum alloy special milling cutter.

1, aluminum alloy hardness is low

Compared with titanium alloy and other hardened steel, the hardness of aluminum alloy is low, of course, heat-treated, or die-cast aluminum alloy hardness is also very high. The HRC hardness of ordinary aluminum plate is generally below HRC40 degrees. Therefore, when machining aluminum alloy, the load of aluminum alloy special milling cutter is small. And because of the better thermal conductivity of the aluminum alloy special milling cutter, the cutting temperature of milling aluminum alloy is relatively low, which can improve its milling speed.

2, Aluminum alloy with low plasticity

The plasticity of aluminum alloy milling cutter is low, and the melting point is also low. When machining aluminum alloy, its sticky tool problem is serious, the chip removal performance is poor, and the surface roughness is relatively high. In fact, processing aluminum alloy is mainly sticky tool and roughness effect is not good. As long as the two problems of sticky knife and surface quality are solved, the problem of aluminum alloy milling cutter processing will be solved.

3, Aluminum alloy special milling cutter is easy to wear

Because of taking unsuitable tool material, when processing aluminum alloy, it often leads to faster wear of aluminum alloy milling cutter because of sticky tool and chip discharge.

milling cutter

Second, what milling cutter is used for machining aluminum alloy

The most common milling cutters used for machining aluminum alloys are the 3-blade aluminum milling cutters, and the 2-blade ball end cutters or the 4-blade flat bottom cutters, depending on the machining situation. In most cases, the Suzhou Jurui brand recommends the use of a 3-flute flat-bottom cutter. The number of edges is usually 3, and the material is generally chosen to be solid carbide, which reduces the chemical affinity of the milling cutter for aluminum alloys. The general CNC tool brand has a series of milling cutters for processing aluminum alloy. The tools of aluminum alloy special series adopt scientific tool design, advanced edge processing technology, better processing surface effect, and are suitable for processing aluminum alloy material.

Third, the cutting parameters of milling aluminum alloy

Machining common aluminum alloy can generally choose high-speed large feed milling. Secondly, choose a larger front angle as much as possible to increase the chip space and reduce the phenomenon of sticky tool. If it is finishing aluminum alloy, you cannot use water cutting fluid to avoid forming small pinholes on the processing surface, generally you can use kerosene or diesel oil as the cutting fluid for processing aluminum plate.

The cutting speed of machining aluminum alloy milling cutter varies according to the material and parameters of the milling cutter and the machining process. Specific cutting parameters can refer to the cutting parameters given by the manufacturer as the basis for processing.


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