FIELD: technological processes.
SUBSTANCE: invention relates to metal forming, particularly, to press, thermal and rotary treatment of steel thin-walled shells of high-pressure vessels. Cutting of pipes into workpieces, calibration, mechanical and rotary treatment is performed, wherein during calibration and rotary drawing there is used emulsion of perfluoropolyether acid in industrial oil as lubricant and lubricant-coolant, as well as antifriction fluorine-containing coating of deforming tool in the form of solution of perfluoropolyether silicon solution in coolant 113.
EFFECT: higher stability of deforming tool, increased accuracy of geometrical dimensions and quality of treated surface, increased structural and cyclic strength and reduced internal stresses.
3 cl, 2 dwg, 2 ex
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