Tolerances cover dimensional variation and surface-roughness range and also the variation in mechanical properties from heat treatment and other processing operations.
公差这个概念既包括尺寸偏差范围和表 面粗糙度范围，也包括由热处理和其它处理操 作所引起的机械特性的变化。
The steel dies with high dimensional accuracy, low surface roughness and long service life have been quickly produced by using prototyping resin molds as patterns of ceramic investment casting.
直接利用激光快速成型的原型树脂模，结合陶瓷型精密铸造技术，制得了高精度、低表面粗糙度、高使用寿命的钢模具。
Both dimensional accuracy and surface roughness of the metal handicraft in ceramic mold meet technological requirement.
该陶瓷型用于制作金属工艺品，尺寸精度和表面粗糙度均达到技术要求。
The machining accuracy of WEDM means mainly the dimensional accuracy, accuracy of form, accuracy of position, and the surface roughness of cut surfaces.
电火花线切割加工精度，主要指尺寸精度、形状精度、位置精度以及加工表面粗糙度。
Basing on that, the concrete means of three-dimensional surface roughness measurement is proposed in this paper.
在此基础上，文中提出了实现表面粗糙度的三维测量的具体方法。
Based on the digital image processing technique, a method for automatically measuring the three-dimensional parameters of casting surface roughness is put forward.
提出了一种用计算机对铸造表面粗糙度进行数字图像处理和三维参数自动检测的方法。
Two-dimensional profileparameters of surface roughness are compared with three-dimensional parameters…
文中列举了实测结果并将轮廓参数与三维形貌参数进行了比较。
Two-dimensional profileparameters of surface roughness are compared with three-dimensional parameters…
文中列举了实测结果并将轮廓参数与三维形貌参数进行了比较。
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