THE LOW-WASTE COMBINED DIE-FORGING OF COPPER AXISYMMETRIC FORGINGSJournal: Academic Journal "Industrial Machine Building, Civil Engineering" (Vol.2, No. 41)
Publication Date: 2014-11-26
Authors : V.V. Kukhar;
Page : 81-88
Keywords : billets; preliminary upsetting; drifting; hot volumetric die-forging; axisymmetric copper forgings.;
The expediency of a combination of operations of preliminary upsetting and drifting of billets outside of dies’ gravures with operations of consequent completing die-forging by manufacture of axisymmetric forgings is justified. Operations can be executed on the different equipment, thus necessity of the account of regularities of buckling of billets is shown at a preparatory upsetting before consequent die-forging transitions. The generalized technique of designing of technologies of the combined die-forging of the axisymmetric forgings, taking into account regularities of a form-changing on operations of a upsetting and drifting is offered. The industrial introduction of more perfect technology of the combined hot volumetric die-forging of the forging-part “the Head of an oxygen nozzle” is executed, allowed to save up to 7,7 % of a technical copper on each workpiece.
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