FIELD: plastic working of metals, possibly production of forged pieces.
SUBSTANCE: apparatus for making forged pieces having length to diameter relation more than 3 includes power hydraulic cylinder on plunger of which upper striker is mounted. Lower striker is mounted in rotary mechanism. The last is in the form of kinematics pair having gear wheel and racks rigidly secured to plungers of hydraulic cylinders. Apparatus also includes second power hydraulic cylinder whose plunger is mounted in gear wheel with possibility of axial motion and rigidly joined with lower striker. Both power hydraulic cylinders separately through pipelines and throttles are communicated with respective hydraulic cylinders of rotary mechanism.
EFFECT: improved design of apparatus, increased degree of plastic deformation of blank at its single mounting operation in apparatus.
2 dwg
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