一般地说，钢质棒料、锻件、铸件等只经一次粗切削和一次精切削即可达到所要求的形状和尺寸。
Generally speaking, bars of steel, forging, castings, etc. are machined to the required shape and size with only one roughing and one finishing cut.
根据摩托车档位齿轮的产品特点，进行成型工艺分析优化，获得合理的产品精化毛坯，拔模斜度等参数，获取产品的预成型毛坯尺寸。
The rational rough and technological parameter of profile modified gear is gained by analysis and optimizing of forming, and the preliminary shaping size of product is defined.
介绍了一种便于刃磨的曲面冲切模，利用该模具结构可以改进某些传统的冲压工艺过程，并更好的保证某些成形零件的形状和尺寸精。
With the die structure, some conventional stamping processes can be improved and the shape and dimension precision of some formed parts can be better guaranteed.
研磨工件需要有精确尺寸及热处理膜、去黑膜、去黑头、倒角、表面精铸造工件磨光之用。
Especial finished parts need precision and have size heat treat film available for film removal, debarring of casting parts.
豌豆精粉细粉末，50微米颗粒尺寸，牛皮纸袋包装，填充有聚乙烯衬垫，25和50公斤装。（ 中国进出口网）
Pea fine powder with particle size of 50 microns, packed in a kraft (paper) bags with polyethylene liner of 25 and 50 kilograms.
实践证明刀具半径补偿在粗、半精和精加工中切实可行，且符合零件加工尺寸精度要求，同时还可以完成零件上毛刺的清除。
Practice has proven tool radius compensation in the rough, finishing in the semi-fine and practical, and the size of precision machining parts, components can also be completed on the burr removal.
阐述了烧结体密度分布与精整尺寸精度的关系，材料抗拉强度与精整尺寸精度的关系；
The Present article has described the dependence of sizing dimension accuracy on the density distribution of sintered compacts and the tensile strength of materials.
从粗车后收缩量的判定，机床刀架角度的重新调整两方面出发，介绍薄壁铜套精车尺寸的确定。
According to shrinkage, angles of lathe saddle are adjusted to ensure precision of thin-wall case.
通过不同的精化网格，分析有限应变条件下单元尺寸对非局部的敏感性。
Mesh-sensitivity analyses of nonlocalization at large strain along with the refinement of corresponding element size are also discussed.
铸件尺寸精度，表面精糙度及材质控制均达到国家标准要求。
All of the casting dimension precision, surface roughness and material control have reached national standard.
铸件尺寸精度，表面精糙度及材质控制均达到国家标准要求。
All of the casting dimension precision, surface roughness and material control have reached national standard.
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