The design of a new pre-tensional structure (FROMOpreload nut) applied in the large size of screw thread was introduced, the pre-load bolt is only beared with the pure tensile stress.
介绍了一种应用于大规格螺纹预紧的新型结构FROMO预紧螺母的结构设计，该结构螺栓只承受纯拉应力。
In the design of die casting die with screw thread, the automatic screw thread unloading is a difficult point.
铸件螺纹脱模是压铸模设计的难点之一。
The automatic screw thread unloading is a difficult point in the design of die casting die for castings with screw thread.
铸件螺纹脱模是压铸模设计的难点之一。
The realizing of parametric design of screw thread of PDC bit makes CAE/CAM possible.
实现了PDC钻头螺纹部分的参数化设计，为进一步的CAE/CAM打下了坚实的基础。
The traditional design method of the crescent rib on the screw-thread steel finished product passes is very overelaborate and the results obtained based on it have some errors.
螺纹钢成品孔月牙肋的传统设计法不仅繁琐，并且据此而得出的结果有误差。
The cage adopts the press-in type seat design, which solves the problems of difficult disassembly and high leakage of the traditional thread screw-in type seat and prolongs the service life.
阀笼采用压紧阀座设计，解决了传统的螺纹拧入式阀座拆卸困难，泄漏量大等问题，延长了使用寿命。
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。
In the third part, the design rules for the pressure hull, the retaining ring, the connect screw thread of the truth-preserving canister are analyzed.
第三章分析了耐压壳体、支撑环和保真筒连接螺纹等耐压部件的设计准则。
In the third part, the design rules for the pressure hull, the retaining ring, the connect screw thread of the truth-preserving canister are analyzed.
第三章分析了耐压壳体、支撑环和保真筒连接螺纹等耐压部件的设计准则。
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