When machining precision is evaluated , or overcut , undercut and interference are inspected , full resolution model is automatically restored to ensure the accuracy and correctness of these inspections 当要评估加工误差，检查过切、欠切和干涉时，可以自动地切换到全分辨率模型，保证了这些检查的准确性和正确性。
In order to reduce the theoretical manufacturing error and the quantity of slice sheet further , an adaptive slicing approach of changing the thickness of laminating layer is also presented 本文还提出采用变分层厚度优化分层进一步控制原理加工误差，减少分层板数量。 stl数据模型正确与否直接影响后续工艺的具体实现。
5 . based on the dynamic time - variant characteristics of manufacturing errors and measuring errors , the requirement is given of manufacturing ability and measuring ability in order to realize the zero - waste manufacturing 基于加工误差和测量误差分布的动态时受特性，给出了实现零废品加工对加工能力和测量能力的要求。
Depending on computer graphics and the theory of b - splines , i bring forward a new and applied interpolation arithmetic . it greatly minish machining error ~ . enhance the speed and precision because of its advantages 利用这种插补算法，不仅使加工误差大大减小，而且由于计算速度的增加使得加工的速度、精度等均可以得到提高。
The vortex moment of gas spherical bearing is caused by the uneven gas film between the sphere and the sphere socket . there are two reasons to produce the uneven film . the first one is the manufacture error 静压气浮球轴承的涡流力矩主要是由于空气轴承的球体和球窝之间的气膜厚度不均所引起的,引起气膜厚度不均的主要因素有两个:一是由于球和球窝的加工误差,二是由于气浮台台体变形引起的误差。
A mathematic model is set up to express the process of datum transform based on il & sm flexible fixturing system . the machining error caused by the error of the fixture is calculated with the aid of this model , and a solution of error compensation is proposed 对于il & sm柔性安装系统，作者建立了反映工位转换的数学模型，并运用这个模型分析由寻位箱制造、装配误差引起的加工误差，并提出补偿方法。
The part represented by the polygon of the half section profile in its axis plane and cutter ' s trajectories for recording and arranging machining errors data are presented based on the analysis of the geometrical characteristics of the part and machining in turning process 摘要根据车削加工工件的几何外形和成形特点，提出了包含加工误差信息的回转体类工件半剖轮廓多边形建模方法和记录、组织加工误差信息的刀具轨迹法。
Modeling surface is approached by stair up of lines in the current lom process , so theoretical manufacturing error and remaining material quantity are greater . the higher precision and lower remaining material quantity are ensured by using the thinner slicing thickness 本文指出现有lom方法由于用直线台阶逼近造型曲面，因而原理加工误差大，残留加工量多，必须使用较薄的分层厚度来保证较高的造型精度和较小的残留光整加工量。
Upon analysis of influence of processing error of parts of the four connecting rod press on accuracy , main influencing factors have been found out and reasonable measures for technology been taken hence influence of processing error falling within permitted range 摘要通过对四连杆多点压力机零件加工误差对精度的影响分析，找出影响压力机精度的主要因素，并采取科学合理的工艺保证措施，使零件加工误差对精度的影响在允许的范围之内。
The measurement of sample shows that maximum manufacturing error is 0 . 485mm and the most error value is less than 0 . 3mm in the conditions that no any specific processes are used when by handwork manufacturing . the results above show that the new lom methods are effective both theoretically and practically 通过误差评定可知，在本论文的手工制作、未采取特别措施提高加工精度的条件下，样模的最大加工误差为0 . 485mm ，而绝大多数分层板的误差都小于0 . 3mm 。
