CIRP Encyclopedia of Production Engineering

2014 Edition
| Editors: The International Academy for Production Engineering, Luc Laperrière, Gunther Reinhart

Forming Presses (Hydraulic, Mechanical, Servo)

  • Konrad Wegener
Reference work entry



Forming presses are forming machines with linear relative movements of the two main parts of the tools. Presses have a drive system, which generates a linear movement of at least and in most cases one ram carrying the first main part of the tool, which is bound by the linear guiding system. To counterbalance the press forces, presses have a stout frame, supporting the drive system for the ram(s), supporting the linear guides of the ram, and supporting some kind of table for the fixture of the second main part of the tool. The frame also supports all kinds of auxiliary systems as transfer, ejectors, die cushions, material infeed, lubrication and coolant, and systems for the exchange of tools and tool parts.

Presses are subclassified in path-driven, force-driven, and energy-driven machines, depending on the drive system.

In path-driven machines the drive system defines the path of the ram, while the forces are defined by the feedback from the forming...

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© CIRP 2014

Authors and Affiliations

  • Konrad Wegener
    • 1
  1. 1.Institute of Machine Tools and Manufacturing (IWF), Swiss Federal Institute of Technology (ETH)ZürichSwitzerland