Technique for processing connecting rod bearing shell
A processing technology and connecting rod bearing technology, which is applied in the processing technology field of connecting rod bearing, can solve the problems such as the service life can not be calculated in years, the mechanical performance of the connecting bearing is reduced, and the processing accuracy cannot be achieved, and the transmission accuracy and the use of the bearing can be guaranteed. Longevity, reducing the deformation of parts, and ensuring the effect of machining accuracy
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[0023] This specific embodiment provides a preferred connecting rod shoe processing technology, which includes the following steps in sequence:
[0024] a. Casting blank, which needs to have a process chuck;
[0025] b. Natural failure, the blank is placed alone in the open air for 50 to 70 days;
[0026] c. milling the blank into two half-bearing bushes, and placing them in the workshop for 35 to 45 days for natural failure;
[0027] d. Combine the above two halves of the tiles into a whole through the clamp, rough the inner and outer circles, and leave a margin of 5-7mm;
[0028] e. Rough milling tile mouth;
[0029] f. Natural failure, placed alone in the processing workshop for 3 days;
[0030] g. Inner and outer circle of semi-finishing car;
[0031] h. Semi-finish milling tile mouth;
[0032] i. Put the anti-change groove on the process chuck, correct the inner and outer circles of the finish car, and the processing accuracy is IT8~IT5, and cut off the process chuck...
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