This paper describes the possibilities and conditions of the closed-die flashless forging process using conventional mechanical presses and equipment. The technique of driven gear forging with an internal flash or with special die design has been developed. The quality of forgings is comparable to that achievable on Hatebur presses. Furthermore the problem of how to increase shift production un...

This short report summarises the proceedings of the international symposium "Precincts, people and places - forging new partnerships", held in Brisbane on 24 and 25 July 2009.

Labour economics is often taken by vivid discussions about the specificity of the labour market and the need to develop a different approach, away from the current standard microeconomics. What is often forgotten is that this was not always the case. Labour research in the interwar years was quite different from what we regard presently as labour economics, being much more broadly and loosely d...

The aim of this study is to investigate effects of isothermal aging on mechanical properties of fiber metal laminates (FMLs) and glass/epoxy composites. For this purpose, both materials were fabricated using the wet lay-up manufacturing technique under vacuum pressure. Both the glass/epoxy composites and the FML specimens were then subjected to isothermal aging (130°C, dried air) for up to 5 we...

This paper describes new conditions on parameters selection that lead to an efficient algorithm for forging ElGamal digital signature. Our work is inspired by Bleichenbacher’s ideas.

Oxygen content in aluminium alloys Al-3Fe or Al-8Fe-lZr (wt%) maked from air atomized powders by a sinter-forging

Abstract Forgings are produced in several process steps, the so-called forging sequence. The design of efficient sequences is a very complex and iterative development process. In order to automate this reduce time, method presented here, which automatically generates multi-stage for different geometries on basis component geometry (STL file). was developed closed die forging. individual modules...

In a closed die forging process, it is impossible to form complex shapes in one stage, and thus it becomes necessary to use preform dies. In the present study, Backward Deformation Method and FE simulation via ABAQUS software has been used in order to design preform die of the H-shaped parts. In the Backward Deformation Method, the final shape of the part is considered as a starting point and u...

The synchronous control system is the essential part of the giant forging hydraulic press, its synchronous control performance will directly determine the quality of the product. In order to improve the synchronous control precision, based on the fuzzy system, according to the changing regularity of the eccentric load during the forging process and synchronous control system mathematical model,...