Practice has proved that using formation infeed grinding processing method can process raceway without oil groove.
实践证明，采用成形切入磨削的加工方法，能够实现无油沟滚道的加工。
2
In the light of the influence of the waviness on deep groove ball bearing oscillation, the reasons of causing the grooved raceway waviness were analyzed, the measure was given to reduce waviness.
针对波纹度对低噪声深沟球轴承振动的影响，分析造成沟道波纹度的原因，提出降低沟道波纹度的相关措施。
3
Ball bearing racewaygroove-shaped, usually an arc-shaped cross section, the radius slightly larger than the ball radius.