When reaming the piston pin hole and connecting rod copper sleeve, how much is the pin allowance?
For better reference data, please Baidu search, Li Hao CNC tools, data on reamer tolerances and machining allowances
For better reference data, please Baidu search, Li Hao CNC tools, data on reamer tolerances and machining allowances
Repair the car when the hinged piston pin hole and the connecting rod copper sleeve hole is generally used manual reaming holes, more than the amount of not more than 0.2mm, margin will put the heating hole reaming Reaming with best ream, plant oil, reaming allowance of not less than 0.05mm, the low margin is not hinge hole light. The roughness is not standard, affect the service life, the conditions can also toggle, low speed, feed to slow, do not reverse or scrape pores, also use vegetable oil to stop hinge, hinge reamer can lift it up and out. Reaming allowance 0.05mm-0.2mm.
