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公开(公告)号：US5970611A
公开(公告)日：1999-10-26
申请号：US944130
申请日：1997-10-06
CPC分类号： F04C18/084 , B21H5/005 , Y10T29/49242 , Y10T29/49361
摘要： In a method for processing a rotor used for a supercharger and the like, a slanted rolling machine is used having rolls designed such that the rolls are arranged about a pass line along which a material to be molded advances. Each roll is of corn shape and has a plurality of spiral-shaped grooves formed on its side surface. A shaft member made from iron or a similar material is inserted into an aluminum alloy tube. The aluminum alloy tube with the shaft member inside it is continuously fed to the slanted rolling machine along the pass line. Then, the periphery of the aluminum alloy tube is rolled/spread by the rolls for forming spiral shaped teeth from the tube material and for metallurgically attaching the tube to the shaft member.
摘要翻译： 在用于加压用于增压器等的转子的方法中，使用倾斜轧制机，其辊被设计成使得轧辊围绕待模制材料沿着该通道行进。 每个辊子都是玉米形状，并且在其侧表面上形成有多个螺旋形槽。 将由铁或类似材料制成的轴构件插入铝合金管中。 其中具有轴构件的铝合金管沿着通行线连续地供给到倾斜轧制机。 然后，通过用于从管材形成螺旋状齿的辊轧制/扩散铝合金管的周边，并且将管冶金地附接到轴构件。
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公开(公告)号：US5533370A
公开(公告)日：1996-07-09
申请号：US158276
申请日：1993-11-29
CPC分类号： B21B17/14 , B21B2015/0028 , B21B39/006
摘要： According to the rolling method and the apparatus to be used for its execution of the invention, by rolling a tube to be rolled by using four rolls possessing roll grooves for forming a caliber in a shape of having a relief portion, cold reducing or cold stretch reducing is done continuously without causing wall thickness deviation, and by sizing the rolled tube material by a die disposed at the exit side, the dimensional precision and yield of rolled tubes may be enhanced by a small number of stands.
摘要翻译： 根据本发明的轧制方法和设备，通过使用具有用于形成具有浮雕部分的口径的辊槽的四个辊轧制轧制的管，冷还原或冷拉伸 连续地进行还原而不引起壁厚偏差，并且通过设置在出口侧的模具对轧制管材进行定径，可以通过少量的支架来提高轧制管的尺寸精度和产量。
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公开(公告)号：US4959985A
公开(公告)日：1990-10-02
申请号：US404641
申请日：1989-09-08
IPC分类号： B21C37/20
CPC分类号： B21C37/207
摘要： A method of manufacturing a metallic tube with a spiral fin for use as a heat transfer tube of a heat exchanger and the like. A solid metallic bar or metallic elementary hollow bar provided with a small hole is supplied to an inclined rolling mill having a plurality of rolls provided with a plurality of annular grooves formed on an outer circumferential surface thereof, and the solid metallic bar or metallic elementary hollow bar is worked into a pierced hollow bar by piercing rolling by means of a piercing plug and at the same time a fin is formed on an outer circumferential surface of the pierced hollow bar to integrate the fin with a body of the tube. Accordingly, the piercing rolling and the formation of the fin on the outer circumferential surface of the tube can be carried out at the same time, so that the manufacturing process can be remarkably shortened and the productivity can be high. In addition, a high fin can be formed and the shape of the fin becomes reliable, whereby the product can be remarkably improved in quality.
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