Cutting force, grinding force and surface roughness of grinding are the most important parameters to scale machine progress, thus precision methods for them is needed in engineering.
切削力、磨削力和磨削表面粗糙度是表征切削加工和磨削加工的最重要特征量，对它们进行预测分析和过程控制具有十分重要的意义。
As the core parts for high speed spindle, the dynamic properties of Angle contact ball bearing has important effect on cutting performance and machining precision of whole machine.
角接触球轴承作为高速主轴的核心部件，其动力学特性对整机的切削性能和加工精度有重要的影响。
Precision measurement for cutting force plays an important role in the machining accuracy and efficiency of the numerically controlled machine tools.
在数控加工中，切削力的大小直接影响着数控机床的加工精度与效率，因此对切削力的准确测量非常重要。
The main reasons for low efficiency of nc machine tool include machining technology, cutting tool precision, preparative cycle, encouragement method and talents.
企业数控机床加工效率不高的主要原因涉及加工工艺技术水平、切削刀具、准备周期长短、激励措施及人才等方面。
The effect factors on processing precision are analyzed and the measures for processing precision of linear cutting machine to increase rate of final products are summarized.
本文介绍了超精密加工的概要 ，论述了影响超精密加工精度的主要因素和提高其加工精度的一些措施。
The effect factors on processing precision are analyzed and the measures for processing precision of linear cutting machine to increase rate of final products are summarized.
介绍如何采用铸造、冷加工工艺手段 ，克服柴油发动机机体变形对加工精度的影响 ，以提高柴油发动机机体的加工精度。
The effect factors on processing precision are analyzed and the measures for processing precision of linear cutting machine to increase rate of final products are summarized.
介绍如何采用铸造、冷加工工艺手段 ，克服柴油发动机机体变形对加工精度的影响 ，以提高柴油发动机机体的加工精度。
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