Since with common calculation method, the calculated value of feeder shaping roller of ultra-accuracy grinder is approximate, it is hard to estimate its calculation error.
超精加工机床辊子装置的计算都具有近似性，很难估算计算误差，讨论了无心超精加工机床加工外凸滚子成形时机床辊子的解析解。
The common formula makes error estimate simpler, which is produced by precision of load resistance value.
它对负载电阻精度引起的误差计算，给出了可靠的理论依据。
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