FIELD: plastic metal working, possibly manufacture of semicylindrical parts such as bimetallic large-size sliding bearing assemblies for crank shafts of diesel engines of locomotives and ships, diesel power stations, compressors and so on. SUBSTANCE: method comprises steps of bending flat blank by predetermined radius, upsetting end of blank and calibrating cylindrical surface; realizing upsetting operation simultaneously with calibration by one transition; at upsetting moving blank ends by value Δh adjusted by means of spacing members placed on ends and calculated according to given formula. EFFECT: enhanced dimensional accuracy of articles. 3 dwg, 1 tbl
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|---|---|---|---|
| METHOD OF MAKING SEMICYLINDRICAL PARTS | 0 |
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