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Assembly technical requirements for machining mechanical parts

Classification:Industry encyclopedia Release date:2019-09-11 242 Browse

  Yancheng Xinhai Machinery Co., Ltd. mainly produces various types of wrenches, sleeve series, auto parts separation fingers, separation plates, connecting screws, various fasteners and stainless steel forging processing. Mainly divided into three production departments of forging, machining and heat treatment. So what are the technical requirements for the assembly of mechanical parts? The following are the points that Xinhai Machinery summarized for you.


  1、Sealing packing or sealant is allowed when assembling the hydraulic system, but should be prevented from entering the system.

  2、Parts and components that enter the assembly (including purchased parts and outsourced parts) must have a certificate from the inspection department for assembly.

  3、Parts must be cleaned and cleaned prior to assembly without burrs, flash, scale, rust, chips, oil, colorants and dust.

  4、Before assembly, the main fit dimensions of the parts and components, especially the interference fit size and related accuracy, should be reviewed.

  5、Parts are not allowed to rub, bump, scratch and rust during assembly.

  6、When the tapered pin is assembled, the hole should be inspected for coloring. The contact rate should not be less than 60% of the length of the fit and should be evenly distributed.

  7、The number of flank contacts in the spline assembly is not less than 2/3, and the contact rate is not less than 50% in the length and height direction of the key teeth.

  8、After the sliding flat key (or spline) is assembled, the phase accessories move freely without any unevenness.

  9、All tubes before assembly should be removed from the tube ends, burrs and chamfered. Use compressed air or other methods to clear the debris and rust attached to the inner wall of the pipe.

  10、Prior to assembly, all steel pipes (including pre-formed pipes) are degreased, pickled, neutralized, washed, and rust-proof.

  11、When assembling, tighten the pipe clamps, supports, flanges, joints, etc. with threaded joints to prevent loosening.

  The above isXinhai In summary, I hope that everyone can like it. Our company abides by the tenet of “Quality grabs the market, credibility for customers, and seeks development through improvement”. With high-quality products and good and thoughtful service, we sincerely welcome people from all walks of life and the new and old. Customer visit guide!

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