The design of mandrel is crucial in the Cross-wedge rolling technology (CWR) of hollow
shafts with mandrel. The critical mandrel diameter is a mandrel diameter that the inner hole …

Досліджено спосіб протягування товстостінних труб. Запропо нований спосіб полягає в
деформуванні пустотілої заготовки без оправки. Розроблено методику проведення …

With the development of the manufacturing technology, a challenge has been proposed on
the joining of difficult welding materials and the poor connection interface of materials. In this …

To enhance the forming quality of the forging and minimize the forging cost in the concave
radial forging process, this article examines the influence of process parameters (radial …

Utilizing the Finite Element Method (FEM), the strain field in the radial forging process of
tube is calculated at different process conditions and compared with the experimental results …

The precise forming of inner hole has been a major technical difficulty in the cross wedge
rolling (CWR) of hollow shaft. This paper proposes a new process to form hollow shafts with …

An axisymmetric upper bound method model is proposed to analyze the inhomogeneity of
axial metal flow in the radial forging process from the viewpoint of end profile in the meridian …

With the fast development of manufacturing industry, rotary swaging technology is applied
more and more widely in automobile, aviation and aerospace industries, due to its …

Inner-stepped shafts hold an important role in aero-engine design and manufacturing. The
high strength of the aeronautical materials makes it difficult to process the shafts. Traditional …

Rotary swaging is an incremental metal forming process widely used to reduce the cross–
section of parts. For tubular parts, the final wall thickness also changes during the process …