Analysis of the main types of damage on a pair of industrial dies for hot forging car steering mechanisms

  title={Analysis of the main types of damage on a pair of industrial dies for hot forging car steering mechanisms},
  author={Lejla Lavtar and Tadej Muhi{\vc} and Goran Kugler and Milan Tercelj},
  journal={Engineering Failure Analysis},
Microstructural evolution and microhardness response of H11 hot forging dies
Purpose The prime task of research in hot forging industry is to improve the service life of forging dies. The in-service microstructural changes that may occur in a die during hot forging is
Deformation mechanism of forging tool for multi-stage forming of deep groove ball bearing
In this study, two design configurations routinely adopted in actual mass production for deep groove ball bearing rings of multi-stage warm forging process are investigated numerically and
Influence of loading conditions on wear behaviour of H11 tool steel
Purpose In hot forging, a significant amount of forging force is used for overcoming frictional force at the die-billet interface. The high frictional force along with thermomechanical stress lead
Contribution in the evaluation of a performance index of hot forging dies
The present paper focuses on a new concept of evaluation of a performance index of hot forging dies through the combination of a process behaviour model and a reliability approach analysis of the
Wear analysis of forging tools used in the hot forging processes using 3D reverse scanning techniques and cooling-lubricating system
The preliminary results show the possibility of using an extended method to analyze the lifetime of forging tools, including tools with complex geometry, as well as introducing a new forging and stabilizing process of the lubricating and cooling devices.
Wear analysis of die inserts in the hot forging process of a forked type forging using reverse scanning techniques
This article presents a wear analysis of die inserts used in the hot forging process of a forked forging (yoke), an element applied in steering systems of passenger vehicles. Studies involved the
Increasing the Efficiency of Forging Operations Using Adjusted Tribological Surfaces Enhanced by Hard Coatings
Tools used in hot forging operations are subjected to high wear during processing due to complex load conditions with high temperatures and mechanical loads. The resulting abridged service lifetime


The Effect of die Temperature on Metal Flow and die Wear During High-Speed Hot Forging
This paper describes the results of tests carried out on a Mk IIA Petro-Forge high-speed hammer in order to determine the effects of the bulk die temperature on the die-wear rate during simple
The wear of forging dies in the first five forging blows
Prediction of wear in hot forging tools by means of finite-element-analysis
Evaluation of gas nitriding process with in-process variation of nitriding potential for AISI H13 tool steel
Gas nitriding under controlled nitriding potential represents one of the important factors in enhancing the service life of dies used in the industry for hot aluminum extrusion. In the present study,
Damage of repeatedly nitrocarburised steel dies for aluminium extrusion
Abstract The dies employed for the hot extrusion of aluminium alloys are subjected to repeated cycles of nitriding, or nitrocarburising, after service periods of given length. Three dies, fabricated
Tribological properties of surface engineered hot work tool steel for aluminium extrusion dies
Abstract A tribological test aimed at the simulation of aluminium hot extrusion was performed. A 6082-Al disc, induction heated up to a maximum surface temperature of 350°C, is allowed to rotate