The paper described the processing technology of requiring and complicated hole of the structure in high accuracy, introduced the design to process this jig and its manufacture.
论述了有较高精度要求且结构复杂孔的加工工艺，介绍加工该零件钻孔模具的设计及制作过程。
For current situation of the honing hole machining, design a simple structure and easy to produce new honing head.
针对珩磨孔加工的现状，设计了一种结构简单、易于制作的新珩磨头。
This article depicts the advantages, design calculation, structure and application of the concrete piles in men-made hole used in the industrial metallurgical building in the recent years.
近几年来冶金工业厂房工程设计均采用人工挖孔桩基础，本文论述人工挖孔桩的优点、设计计算、构造和应用。
On the base of defining a side hole and an inclined hole in plastic structure, both are compared on the hand of mold design.
在对塑料制件结构中的侧孔和斜孔加以界定的基础上，从模具设计角度对两者进行了比较。
Then, the design basis and principle about precipitation well distribution, the design and arrangement of well hole plane, the structure design and the construction method are clarified in detail.
阐述了降水井布设的设计依据与原则，井孔平面布设与结构设计及其施工方法。
The functions and structure features of the oil feeder on deep-hole borer are introduced, some design parameters are involved.
介绍了深孔镗床输油器的作用及结构特点，并涉及了一些设计参数。
It proposes measures of improving piston structure design and adopts the structure of cast aluminum bronze embedded in the hole in the piston pin bushing.
据此提出了活塞结构改进设计措施，采用了在活塞销孔内嵌入铸铝青铜衬套结构。
The specialty of the design is the flexible core-pulling structure that solved the difficult problem of unloading the screw thread and moulding the through hole at the same place.
其特别之处在于采用灵活的抽芯机构解决了在同一位置脱螺纹和成型碰穿孔的复杂问题。
The fine spur gear with good size-precision and surface-roughness is obtained through two-stage hole-forming process scheme and reasonable die structure design.
选用两阶段成形工艺和合理的模具结构，制备出了具有良好尺寸精度和表面粗糙度的精密齿轮。
The fine spur gear with good size-precision and surface-roughness is obtained through two-stage hole-forming process scheme and reasonable die structure design.
选用两阶段成形工艺和合理的模具结构，制备出了具有良好尺寸精度和表面粗糙度的精密齿轮。
应用推荐