Specification for mechanical locked spindle and bulbed rivet 机械锁紧鼓包型抽芯铆钉通用规范
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Universal head mechanical locked spindle and bulbed steel rivet 机械锁紧鼓包型平圆头钢抽芯铆钉
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100 flush head mechanical locked spindle and bulbed steel rivet 机械锁紧鼓包型100沉头钢抽芯铆钉
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Universal head mechanical locked spindle and bulbed aluminum rivet 机械锁紧鼓包型平圆头铝抽芯铆钉
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100 flush head mechanical locked spindle and bulbed aluminum rivet 机械锁紧鼓包型100沉头铝抽芯铆钉
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Below the curie temperature tc the resonance lines spread and shift to lower field 高掺杂样品， tc温度以上的顾磁共振线上低场位置出现鼓包。
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The mechanical locked spindle and bulbed blind rivet is assembled in the airplane where the position is not open , can only be rivetted from the simplex side 机械锁紧鼓包型抽芯铆钉可装配在飞机不开敞，只能单面铆接的部位。
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Besides , the project makes our country have rivets of the independent intellectual property right , has filled the domestic gaps , helps to bring about an advance in seriation of the standard component industry of our country 使我国有了自主知识产权的机械锁紧鼓包型抽芯铆钉，填补了国内空白，有利于促进我国标准件产业的系列化发展。
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The familiar defects of powerful spinning have been listed , such as crack , rising skin , gluing knot , piling , speed bulge , the wound inside the wall , expanding etc . with analysis of the cause and probing into treatments according to the basic fondant and spinning craft parameters 摘要列举了强力旋压常见缺陷，例如裂纹、起皮、堆积、粘结、鼓包、内壁划伤、扩径等，分析了产生的原因，针对坯料和旋压工艺参数，简要探讨了应对措施。
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Carry on a large amount of experiment and analysings , the result of calculation of designing has been verified , the error of designing and computing has been revised , the physical dimension of the rivet has been confirmed finally . combine the real working condition of the factory the difficulties that the rivet stem and the locking collar are difficult to process are solved , a series of feasible technology schemes are made finally . according to the designing and of the test of the blind rivet , consult the relevant standards of u . s . a . , the relevant aviation industrial standards which lay the foundation for the popularizaion and application of the rivet are compiled 本文通过系统分析及计算，突破了铆钉抽铆成形、剪断环及时被剪断、芯杆到位及时拉断等一系列技术难点，确定了设计方案，运用有限元方法对机械锁紧鼓包型抽芯铆钉进行了强度分析：制定了试验方案，验证了设计计算结果，修正了设计计算所造成的误差，确定了铆钉的结构尺寸；结合工厂的实际生产条件，解决了钉杆和锁圈难以加工的困难，制定出?系列可行的工艺方案：根据设计及试验结果，参照美国的相关标准，编制了系列航空工业标准，为机械锁紧鼓包型抽芯铆钉的推广应用打下了基础。
