斜面上钻孔与平面上钻孔相比，由于加工初期条件差，孔的相对位置精度低，刀具更容易折损。
Drilling on inclined surfaces has such problems as the decrease of hole accuracy and damage of tools compared with the drilling on flat surfaces.
介绍一种测量加工中心位置精度的仪器——平面正交光栅。
An instrument to measuring location accuracy of machining center, planar grid encoder, is introduced in this paper.
一方面，平面定位稳定可靠，另一方面，在加工过的平面上加工孔比较容易，并能提高孔的加工精度。
On the one hand, the plane positioning is stable and reliable, on the other hand, it is easy to process holes on the machined surface, and can improve the machining accuracy of the hole.
由加工工艺原则可知，保证平面的加工精度要比保证孔的加工精度容易。
By the principle known Processing, the plane guarantee precision machining holes than guarantee the machining precision easy.
并将孔与平面的加工明确划分成粗加工和精加工阶段以保证加工精度。
Plane with holes and the processing clearly divided into roughing and finishing stages of processing to ensure accuracy.
介绍了摩托车箱体、盖加工中的装夹变形、位置精度和平面密封保证等方面的工艺问题。
Technique issues such as clamping deformation, guarantee of hole position accuracy and plane seal, etc. for motorcycle case body and case cover are introduced.
固着磨料平面研磨加工中磨具的均匀磨损对于保证磨具和工件的加工面形精度具有极为重要的意义。
In the process of plane lapping with solid abrasive, the uniform abrasion of lapping tool is very important to ensure a good form of the workpiece and the lap-ping tool.
采用毛毡抛光片和新的装夹方法加工平面光学零件，可实现中低等精度平面镜古典法高效抛光。
Using new technology to make plane optical parts with felt polishing pads and new flocking method, the plane optical parts with low or medium accuracy can be efficiently polished in the classical way.
一般来说，保证平面的加工精度要比保证孔系的加工精度容易。
In general, it is easier to guarantee the machining accuracy of the plane.
本文分析了车床主轴热位移及其影响加工精度的机理，并提出了主轴中心线与主轴箱装配基面在同一垂直平面内和同一水平面内的最佳位置。
This paper discusses the thermal travel motion of a main shaft in machine tools, and the mechanism of its significant influence on manufacturing accuracy.
将孔与平面的加工明确划分成粗加工和精加工阶段以保证它们的加工精度。
Process with flat surface the clear and definite dividing the line the bore the coarseness processes to process with the nicety the stage to guarantee their process the precise degree.
并将孔与平面的加工明确划分成粗加工和精加工阶段以保证孔系加工精度。
The machining precision of the hole is divided into rough machining and precision machining stage.
普通立式加工中心几何精度检验的主要项目有：工作台面的平面度、各坐标方向移动的相互垂直度。
The main project 2, ordinary vertical machining center geometry precision testing: work surface flatness, moving in each direction are perpendicular.
本文论述了从古典光学平面加工到高精度光学平面浮动式连续抛光法的演变过程。
In this paper, evolutional process from classical optical processing to continuous polishing method is discussed.
本实用新型涉及一种加工高精度零件平面直纹的直纹微量切削装置。
The utility model relates to a straight line micro-cutting device which can process the straight lines on the planes of high precision component parts.
一般来说，保证平面的加工精度要比保证孔的加工精度容易。
Generally speaking, to guarantee the accuracy of the flat surface process is easier than that of the bore.
一般来说，保证平面的加工精度要比保证孔系的加工精度容易。
Generally speaking, to guarantee the working accuracy of the plane is easier than to guarantee the hole's.
需要进一步提高水压齿轮泵加工精度，特别是侧板以及齿轮端面的平面度、表面粗糙度以提高水压齿轮泵的性能。
Also the manufacturing precision of water hydraulic gear pump, especially gear surface and side flank, is required in order to improve its volume efficiency.
需要进一步提高水压齿轮泵加工精度，特别是侧板以及齿轮端面的平面度、表面粗糙度以提高水压齿轮泵的性能。
Also the manufacturing precision of water hydraulic gear pump, especially gear surface and side flank, is required in order to improve its volume efficiency.
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