FIELD: manufacture of articles by drawing. SUBSTANCE: apparatus includes self-aligning drawing die holder with rocking drawing die. Drawing die holder has stationary support of outer frame, outer bushing, inner frame of inner bushing, drawing die and buffers. Outer frame is mounted in housing by means of rolling bearing units. Outer bushing is mounted in outer frame also by means of rolling bearing units. Inner frame is mounted inside outer bushing by means of rolling bearing units. Drawing die is rigidly mounted in inner bushing. Vertical control duct is communicated with inner bushing. Vertical control duct includes connected successively one with another actuator, force measuring pickup and spring, and also power amplifier, differentiating unit, low pass filter, adder. Actuator is mounted on inner bushing by means of single freedom deg joint assembly. Horizontal control duct includes the same members as vertical control duct and it has actuator mounted by means of joint assembly on outer bushing. EFFECT: enhanced quality of drawn products due to their lowered curvature. 6 dwg
Authors
Dates
2000-01-20—Published
1998-07-02—Filed