Date: 2013-08-20

Principles relating to the repair of deep groove ball bearing mechanism and method

Deep groove ball bearing is large production of machinery parts, and manufacturing precision requirements is yen, technology Shang professional degree is high, therefore for most easy buy to of bearing varieties,, should is purchase than repair more cost-effective, except economic sexual yiwai, bearing of repair also has its technical, this on requirements repair who full understanding bearing corresponding of technology requirements, and bearing and parts in structure Shang, and technology Shang and material Shang of features, or hard guarantee bearing repair has is requirements of effect.
　Repair base of deep groove ball bearings are selected as follows:
　　(I) benchmark unchanged combination repair method. Repair and adjustment of dimensional chain when precision, according to benchmark principles of coincidence, only a datum as the base, the design basis, while all other repairs to the sides as the base. The combination repair base, easy to check accuracy, reducing the accumulated error. For example, repairing of speed regulating hydraulic Coupler, often bearing body as a benchmark.
　　(2) base transform method of repair. Sometimes design benchmark settlement is too large and cannot be used, choose some other benchmark, while reintegrating dimension chain. For example, if the deformation of the bearing is too big, should be based on Rotary components as a benchmark, reprocess-tuning the bearing body, then rework the bearing size, adjust the Assembly dimension chains using fitting method of the adjustment ring, press order of the dimensional chain for repairs, finally closed control loop accuracy goal.
　Select repair technology of deep groove ball bearings should be aware of are:
　　(1) pay attention to repairing technique on bearing material adaptability. Fixed in existing processes, either method will be able to adapt to a variety of materials, always has its limitations.
　　(2) should be taken to repair the repair process can achieve layer thickness. Due to the different degree of wear of the bearing, require repair of layer thickness are not the same. So, understand what the repair process can achieve layer thickness to select repair technology is of great significance.
　　(3) should pay attention to effect of bearing structure for technology choice. Select repair technology of bearing structures allow.
　　(4) pay attention to after repair of bearing strength. Repair strength, repair, and the strength of the bonding strength of the bearing and bearing repair changes, are important indicators of quality of repair. Under general conditions and technology to achieve fixed difference in strength is great.
　　(5 repair process should be noted on the influence of mechanical and physical properties of deep groove ball bearings. Repair of mechanical, physical properties, such as hardness, workability, wear resistance and solidity, must be taken into account in the selection process.

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