Put an end to precision parts processing deformation can be used in the following three methods in recent years, machinery processing industry obtained the swift and violent development, to prevent the deformation of parts in a wide variety of advanced processing method, especially for precision machinery parts processing, such as cutting, high speed machining
When cutting precision machining, cutting tool, cutting parameter, cutting fluid, and the right clamping way to give attention to two or morethings arrives at the same time, to completely eliminate or reduce the workpiece deformation.
For thin-wall precision parts processing, we will adopt what kind of processing method?
Adoption of rational cutting parameter.
When requiring higher machining precision parts, generally adopt symmetrical processing, make both sides of the relative stress is in a state of equilibrium, so as to achieve a stable state, the processed workpiece flat, but when a larger work step to take when turning, due to the tensile stress and compressive stress out of balance, precision machinery parts processing will cause deformation.
The rational use of cutting fluid.
Cutting fluid is mainly used to reduce cutting temperature, thereby reducing the friction in the process of cutting, the rational use of cutting fluid to improve the durability of cutter and the surface quality of the precision machinery parts processing, has the very vital role.
Therefore, to prevent deformation of parts in the processing must be reasonable use cutting fluid.
Increase the surface contact between the workpiece and fixture, reduce precision parts when the clamping deformation.
Due to the low rigidity thin wall parts.
In the precision machining, because when the clamping point of force application is different, the deformation would be different.
A lot of practice has proved that increasing the surface contact between the workpiece and fixture or axial clamping, can effectively reduce the precision parts processing when the clamping deformation.
Such as milling profiled, extensive use of elastic clamp, the purpose is to increase the contact parts of the bearing surface, turning in a cylindrical thin-wall set inside diameter and, regardless of whether they are using simple transition ring opening, or use elastic core shaft, liquid plastic fixture, etc. , adopt the increase is the principle of surface contact between the workpiece and fixture, reducing the precision parts and components of the clamping deformation.
The above information is derived from the hardware machinery processing factory Xavier company in shenzhen.
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