发明名称 |
MANDREL FOR CALIBRATING THE INTERNAL CHANNEL PIPES |
摘要 |
FIELD: metallurgy.SUBSTANCE: invention relates to metal forming and is used in the production tubing in the manufacture of pipes for very precise internal diameter. Mandrel has an operating part and positioned behind it in the form of a gauge portion of the cylindrical portion.EFFECT: decrease in intensity of non-contact deformation of the pipe during the dispensing provided by the fact that the mandrel has a guide portion of the elastic member, and the working portion of the mandrel has a parabolic shape which blends in with the half-angle conical surface α vertex = 1÷3°.2 cl, 3 dwg, 1 tbl |
申请公布号 |
RU2580262(C2) |
申请公布日期 |
2016.04.10 |
申请号 |
RU20140130739 |
申请日期 |
2014.07.24 |
申请人 |
FEDERALNOE GOSUDARSTVENNOE AVTONOMNOE OBRAZOVATELNOE UCHREZHDENIE VYSSHEGO PROFESSIONALNOGO OBRAZOVANIJA "URALSKIJ FEDERALNYJ UNIVERSITET IMENI PERVOGO PREZIDENTA ROSSII B.N. ELTSINA" |
发明人 |
BOGATOV ALEKSANDR ALEKSANDROVICH;SALIKHJANOV DENIS RINATOVICH |
分类号 |
B21B25/02 |
主分类号 |
B21B25/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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