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METHOD OF FORMING HELICAL GROOVES ON TUBULAR THIN-WALLED WORKPIECES BY ROLLING USING INTERNAL COUNTER-PRESSURE
METHOD OF FORMING HELICAL GROOVES ON TUBULAR THIN-WALLED WORKPIECES BY ROLLING USING INTERNAL COUNTER-PRESSURE
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机译:通过内部反压轧制在管状薄壁工件上形成螺旋槽的方法
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摘要
A method of manufacturing pipes with helical grooves, at which in the middle of tubular workpiece during its deformation a permanent counter pressure is created against the pressure of shaping elements, for which creation liquid or granular material is used.
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