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In the PSA Peugeot Citroen process of manufacturing trimming dies, wire EDM is employed both in the manufacturing of new dies and in the process of reusing the dies that have been heavily used.

Industria de Turbo Propulsores, S.A. (ITP), líder en Ingeniería, Investigación y Desarrollo, Fabricación y Fundición, Montaje y Pruebas de motores aeronáuticos y turbinas de gas, confía en el potencial de 12 máquinas de electroerosión por penetración para erosionas las stip seal slots en los segmentos de NGV de turbinas de baja presión.




The PSA Peugeot Citroën plant in Mulhouse has nine ONA EDM machines and is home to the main tool manufacturing centre for the PSA Peugeot Citroën group. The tool manufacturing centre, known as OCMB (Outillage Central Mécaniques et Bruts), is also responsible for providing tools to external car manufacturing clients. The main type of tools that are manufactured are moulds for the production of aluminium parts (casings, gearboxes, clutches, etc.), forging dies and trimming dies.

Another of the regular activities that they carry out at the PSA Peugeot tooling centre is the manufacturing of trimming dies. Wire EDM is employed both in manufacturing new dies and in the process of reusing the dies that have been heavily used; after being used, material is added and they are wire cut again.

Company PSA PeugeotCitroën.
  • 2.9 million vehicles manufactured (2014)
  • 2nd largest European manufacturer with a market share of 11.8%.
  • 184,800 employees around the world
Address Production plant at Mulhouse - Francia-

Activity of the PSA Mulhouse plant Engineering, manufacturing and assembly of the Peugeot 2008, Citroën C4 and Citroën DS4 models, with an annual output of 244,000 cars (2014).
ONA EDM machines installed 9 ONA EDM machines.
Application cutting a trimming die
Machine model ONA AF35
Base Material treated steel
Wire diameter Ø 0.25 mm
Number of cuts one initial cut and two secondary cuts
Final roughness obtained 16 VDI (0,63 µm Ra)