发明名称 Dynamic counterblow forging hammer
摘要 <p>The dynamic counter-blow forging hammer is composed of two partial dynamic drop hammers arranged symmetrically opposite each other, made up of a hammerhead (1) connected with bearing flat springs (4), connected at their other end with a body (5) sliding along a trestle (6), while an actuating spring (18) is fixed to each hammerhead (1), which is connected with a crank mechanism made up of a cam (12) and piston rod (10). The cams (12) of both drop hammers have the same eccentricity. They are attached to the shaft of a drive motor and are turned by 180 degrees from each other.<IMAGE></p>
申请公布号 CZ20012904(A3) 申请公布日期 2003.03.12
申请号 CZ20010002904 申请日期 2001.08.10
申请人 USTAV TERMOMECHANIKY AV CR 发明人 PETERKA FRANTISEK ING. DRSC.
分类号 B21J7/34;B21J7/02;B21J7/12;B21J7/32;(IPC1-7):B21J7/34 主分类号 B21J7/34
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