Improvement of the processing precision can help to improve the contact state between wheel seat and wheel hub bore, reduce the maximum residual pull stress in wheel seat due to press mounting.
提高加工精度有利于改善轮座和轮毂孔接触状态，降低轮座因压装产生的最大残余拉应力。
2
The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.