1, aluminum alloy hardness is low
Compared to titanium alloys and other hardened steels, the hardness of aluminum alloys is lower, of course, heat treatment, or the hardness of die-cast aluminum alloys is also high. HRC hardness of ordinary aluminum plate is generally below HRC40 degrees. Therefore, when machining aluminum alloys, the load on the tool is small. Because of the better thermal conductivity of the aluminum alloy, the milling temperature of the milling aluminum alloy is lower and the milling speed can be increased.
2, aluminum alloy plastic low
Aluminum alloys have low plasticity and low melting points. The problem of sticking knife is serious when processing aluminum alloy, the chip removal performance is poor, and the surface roughness is also relatively high. In fact, the processing of aluminum alloys is mainly a result of poor adhesion and roughness. As long as solving the problem of sticking knife and processing surface quality, the problem of aluminum alloy machining is solved.
3, the tool is easy to wear
Because of the unsuitable tool materials, when the aluminum alloy is processed, the wear of the tool is often accelerated due to problems such as sticking knife and chip removal.

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