The part is a stainless steel locking pin shaft made from 304 stainless steel by CNC Turning. One of its ends has outer threads for fastening it to a fixed base or for coupling it with a screw, whereby an axial locking is achieved. The middle section is equipped with a hole for elastic blocking rings or a stepped structure, which enables the assembly of an elastic ring or acts as a limiting/anti-slip function. The other end has a square or flat square head that facilitates coupling with hexagonal wrenches or tools for reliable assembly and disassembly.
Step 1: Select the material of SS304 stainless steel bar to cut to a fixed length, and accurately cut the billet according to the total length of the pin shaft, the machining permission and the sealing requirements, which provides a stable basis for later processing; Subsequently, the CNC lathe carries out the raw mechanization by quickly removing the excess material with hard alloy cutting tools, turning the outer circular contour, limit step, threaded section, and drive end rough blank, reserving precision machining concession and reducing the cutting stress and the risk of deformation.
Step 2: After hard mechanization, the aging treatment releases the internal tension and then enters the phase of precision mechanization. With the support of Precision CNC Turning Services, the precision mechanization of various processes is carried out via a CNC lathe with high rigidity: Through the outer circle ensures the coaxiality and roughness of the surface; The flat anti-rotation position in the middle section is formed by a combination of turning and milling processes; Use a high-precision thread forming tool to repeatedly machining M12 × 1.75 outer threads, with the passage, the profile angle and the throughput size are strictly controlled.
Step 3: After precision mechanization, in-depth inspection and removal of the recesses and recesses at the edges, rosy tips and flat edges; Subsequently, electrolytic polishing is carried out to remove the surface oxide layer, the mechanization marks and the fine defects, thereby achieving a uniform and glossy mirroring effect on the surface of the axis of the gear, improving corrosion resistance and softness, the friction resistance of the assembly is reduced and the duration and feel are optimized.
Dongguan Shengpeng Precision Technology Co., Ltd. is a professional manufacturer of precision parts, can provide customers with reliable services to customize and manufacture CNC turning parts. We have a mature CNC machining system and comprehensive quality inspection process. We can adapt the dimensional specifications, the material selection and the process of surface treatment of the closing button axis to the specific application scenarios of our customers. All this can be done on request, by fully meeting the different customization needs of our customers and providing reliable precision component solutions for various types of industrial equipment delivered.
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