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  10. IHU (Hydroforming) Forum, PtU TU Darmstadt
Posted by: Hydro_Publishing on Thursday, March 04, 2004 - 12:19 AM
 
  Information from the PtU Darmstadt
1831 Reads

Photo Gallery of the hydroforming forum at Darmstadt, February 25-26 2004

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  Press Relase: 9. IHU Forum, Darmstadt
Posted by: Hydro_Publishing on Monday, March 10, 2003 - 11:11 PM
 
  Information from the PtU Darmstadt
1857 Reads

Photo Gallery of the hydroforming forum at Darmstadt, March 5.-6-, 2003.

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  Performance of lubricants in internal high pressure forming of tubes
Posted by: Hydro_Publishing on Wednesday, January 29, 2003 - 10:32 PM
 
  Information from the PtU Darmstadt
2349 Reads

In an Internal High Pressure Forming (IHPF) process several forming zones are distinguished based on contact normal stress, sliding velocity, and degree of deformation. The precise design of an IHPF process requires an extensive investigation of the tribological conditions in these different zones. So far laboratory investigation of tribology in IHPF processes has involved pushing a pressurized tube through a tool in order to measure the friction force or determine the friction coefficient. However, such experimental set-ups only represent the guiding zone of IHPF. The prevailing loads require a careful consideration of the individual forming zones. This led to the establishment of further experimental setups for the investigation of transition and expanding zones. These experimental setups, in particular those for the expanding zone, permit a more accurate examination of the friction properties of lubricants. Thus, performance differences that would be indiscernible using the traditional guiding zone test are revealed. Oil and slide lacquer were compared to one another. Differences in friction coefficients in the guiding zone area were not too large and the potential of the slide lacquer was first revealed in experiments in the expanding zone.

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  Hydroforming parts at the 8. Hydroforming Forum at Darmstadt
Posted by: Börries Burkhardt on Monday, February 18, 2002 - 10:33 PM
 
  Information from the PtU Darmstadt
780 Reads

During the 8. Hydroforming Forum, February 14.-15., 2002 at Darmstadt - Germany we had the change to visit some companies at their booth. Please enjoy the pictures of the sample parts that we have seen. The following companies showed hydroformed parts. hde Metallwerk GmbH, Gräbener Hydroforming, VAW aluminium AG, Schuler Hydroforming, Fischer stainless tubes.

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