Thin-wall rotary type component cylindrical lathe cutting clamping method and device
A thin-walled rotary and parts technology, which is applied in the field of clamping methods and devices for external turning of thin-walled rotary parts, can solve the problems of difficulty in controlling clamping force, inability to press-fit the end face, and inappropriate clamping methods. The clamping force is uniform, the irregular deformation is avoided, and the clamping method is reliable.
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Embodiment 1
[0018] Example 1. A clamping method for external turning of thin-walled rotary parts, such as Figure 1 to Figure 3 As shown, this method achieves the purpose of clamping thin-walled rotary parts by tightening the inner hole of thin-walled rotary parts.
[0019] The method is to set the threaded cone ejector rod and the elastic hollow shaft, and use the relative movement of the threaded cone ejector rod and the elastic hollow shaft to expand the elastic hollow shaft and tighten the inner hole of the thin-walled rotary parts, so as to realize the thin-walled rotary parts. The purpose of clamping the wall rotary parts is to avoid the irregular deformation of the thin wall rotary parts; the elastic hollow shaft is moved by the threaded cone ejector rod, so that the inner cone surface of the elastic hollow shaft is on the top of the threaded cone surface. The outer tapered surface of the rod moves, so that the elastic hollow shaft expands and tightens the inner hole of the thin-w...
Embodiment 2
[0023] Example 2. like Figure 1-4 as shown, Figure 4 The parts are steel parts with a total length of 47.2mm, an outer diameter of 9.8mm, an inner hole diameter of 8.9mm, and a wall thickness of less than 0.45mm. The inner hole tolerance requirements are strict, and the tolerance zone is 0.015mm. Very difficult.
[0024] Tooling installation processing steps:
[0025] 1. Tooling preparation:
[0026] Base, elastic hollow shaft, threaded taper ejector rod and machine tailstock;
[0027] 2. Tooling installation
[0028] Connect the base 1 with the spindle of the CNC lathe through a chuck, and align the guide hole 4 to be concentric with the spindle of the machine tool.
[0029] Put the elastic hollow shaft 2 on the threaded conical ejector rod 3, then insert the threaded tapered ejector rod 3 into the guide hole 4 of the base 1, and screw it into the thread, so as to ensure that the elastic hollow shaft 2 can be placed on the threaded conical top. Move on bar 3.
[003...
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