Results 51 to 60 of about 31,118 (205)

Deformation rule of light area reduction shafts by cross wedge rolling

open access: yes工程科学学报, 2015
The forming process of shafts by cross wedge rolling (CWR) was presented by numerical simulation and rolling experiment. The metal deformation characteristics of roiled pieces were studied from the view of area reduction.
LIU Wen-ke   +3 more
doaj   +1 more source

Data preparation automation for computer simulation of cross-wedge rolling

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
Data preparation for computer simulation of cross-wedge rolling (CWR) process based on ANSYS/LS-DYNA finite element code is considered in the article. In order to automate the process of developing CWR models and performing their finite element analysis,
A. A. Abramov
doaj   +1 more source

Dynamic recrystallization and texture evolution of GH4169 alloy during cross wedge rolling

open access: yesCailiao gongcheng, 2020
To study the dynamic recrystallization and texture evolution of GH4169 alloy during the cross wedge rolling processing, the microstructure, crystal orientation and texture in the surface and core of the GH4169 alloy with the area reduction of 30% and 50%
GAN Hong-yan   +5 more
doaj  

Rapid estimation of ductile crack formation in cross-wedge rolling

open access: yesJournal of Materials Research and Technology, 2020
This study investigates the problem of predicting material cracking in cross-wedge rolling (CWR). Fifty-four cases were analyzed using the finite element method (FEM), and maximum values of the damage function were determined.
Zbigniew Pater   +2 more
doaj   +1 more source

Stability evaluation of rotor/bearing system [PDF]

open access: yes, 1982
A stability study of rotor/bearing systems is presented. Even though it was limited to study of a fully lubricated bearing subject to oil whirl, and further limited to low eccentricity region for linearity and with only one type of lubricant, it can be ...
Bently, D. E., Muszynska, A.
core   +1 more source

Analysis of Cross Wedge Rolling of Spiral Shaft Parts

open access: yesProcedia Engineering, 2014
AbstractThe spiral shafts are usually fabricated by the cutting, this paper uses the cross wedge rolling process of the spiral shaft parts. Firstly, according to the deformation stages of rolling narrow spiral step, accurate shaping surface of the mold is designed.
Wengfei, Peng   +6 more
openaire   +1 more source

Rolling friction robot fingers [PDF]

open access: yes, 1992
A low friction, object guidance, and gripping finger device for a robotic end effector on a robotic arm is disclosed, having a pair of robotic fingers each having a finger shaft slideably located on a gripper housing attached to the end effector. Each of
Vranish, John M.
core   +1 more source

STUDY ON TECHNOLOGY OF MULTI-WEDGE CROSS-WEDGE ROLLING OF AUTOMOBILE SEMI-AXIS SHAFTS

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2016
With rapid development of automotive industry, the demand of automobile semi-axis is increasing. However, it increases the cost investing in dies as automobile semi-axis are stile produced with single-wedge cross-wedge rolling.
Xuedao Shu, Chuan Liu, Ying Wang
doaj  

Optimization of Material Utilization by Developing a Reliable Design Criterion for Tool Construction in Cross-Wedge Rolling

open access: yesJournal of Manufacturing and Materials Processing
The massive forming industry in Germany produces around 1.4 million parts every year, which are mainly used in safety-relevant areas such as the automotive industry.
Patrick Kramer   +2 more
doaj   +1 more source

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