Pressure welding device and pressure welding method using an advance drive designed as an electrohydraulic direct drive
US10232465B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2014 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Aug 10, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/6651
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A pressure welding device (1) and a pressure welding method are provided. The pressure welding device (1) includes a plastification unit (5), a positioning and compressing unit (6), a controller (26), and an advance unit (7) for a workpiece (3) and for the process axis (13). The advance unit (7) has an open- or closed-loop controllable hydraulic advance drive (12) that is formed as an open- or closed-loop controllable electro-hydraulic direct drive for the process axis (13).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.