Involute splines have maximum strength at the base, can be accurately spaced and are self-centering, thus equalizing the bearing and stresses, and they can be measured and fitted accurately.
渐开线花键在近跟处有最大的强度，(键齿)能精确分布和自定心，这样就有相同的支撑力和应力，同时能准确地配合和测量。
Involute splines have maximum strength at the base, can be accurately spaced and are self-centering, thus equalizing the bearing and stresses, and they can be measured and fitted accurately.
渐开线花键在近跟处有最大的强度，(键齿)能精确分布和自定心，这样就有相同的支撑力和应力，同时能准确地配合和测量。
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