Forging mandrel for hot-forging tubular workpieces of metal

In a working area, a mandrel body (1) has a coating (5) firmly bonded on the mandrel body to reduce heat dissipation during forging into a mandrel body. The coating has less heat conductivity than the material of the mandrel body and a thickness of 50 mu m. It is also a layer of scale and is flame-...

Full description

Saved in:
Bibliographic Details
Main Authors PIERRE LEFEBVRE, ROLF KUMMERLING, STEFAN WIEDENMAIER, GERD HOMBERG
Format Patent
LanguageEnglish
Published 15.04.2010
Subjects
FORGE FURNACES
FORGING
HAMMERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:In a working area, a mandrel body (1) has a coating (5) firmly bonded on the mandrel body to reduce heat dissipation during forging into a mandrel body. The coating has less heat conductivity than the material of the mandrel body and a thickness of 50 mu m. It is also a layer of scale and is flame- and plasma-sprayed/extruded. This layer's heat conductivity is 50 percent less than the heat conductivity of the mandrel's material.
Bibliography:Application Number: AU20080274744