Turning of titanium alloy slender shaft
2024-10-09 08:01:17
Titanium alloy is a difficult-to-cut material, and the slender shaft is a difficult-to-machine workpiece. Titanium alloy slender shafts are more difficult to machine. First, the main difficulty 1. The main reason for the poor machinability of titanium alloy is that the titanium alloy has high strength, large cutting force, small thermal conductivity and high cutting temperature. It has large chemical activity and easy work hardening. The chip deformation coefficient is small, and the cutting force is concentrated at the tip of the tool. The tool is easy to wear and has low durability; the modulus of elasticity is low and the bending resistance is poor. 2, the slender shaft rigidity difference between the working length L and the diameter D is greater than 15 (ie L / D15), generally referred to as the slender shaft. When the slender shaft is machined, it is easily bent and deformed under the action of cutting force and cutting heat.
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