Patent · US Expired

Hydraulic feed drive for flying upsetting presses

US5417098A · kind A · utility

1Cited by
2References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 12, 1993
Grant dateMay 23, 1995
Priority date
Expiry dateNov 12, 2013

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B11/22
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Hydraulic feed drives for pressing tools of a flying upsetting press are integrated into closed hydraulic circuits and are driven by displacement pumps, with the hydraulic circuits being pressurized in order to improve the flow dynamics, and with internal regulation circuits and superimposed regulations circuits of the individual control components being provided for improving the regulation accuracy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.