Zobrazeno 1 - 10
of 33
pro vyhledávání: '"HU Zheng-huan"'
Publikováno v:
工程科学学报, Vol 40, Iss 2, Pp 233-240 (2018)
Local deformation of workpieces is a main process characteristic of cross wedge rolling; thus, it is difficult to cross wedge rolling the workpiece with a small area reduction owing to the weak ability to flow in the axial direction and the significa
Externí odkaz:
https://doaj.org/article/245e55b94f1549b1bb10d8c30eb7b501
Publikováno v:
工程科学学报, Vol 39, Iss 5, Pp 747-755 (2017)
To achieve better performance in finished cold-pilger rolled stainless steel tubes, it is critical to select an appropriate feed range. In this study, cold-rolling 304 stainless steel tube was used as the research object to simulate the entire cold-p
Externí odkaz:
https://doaj.org/article/beaf236fa4f444fe9766d7bfc5d2e5d7
Publikováno v:
工程科学学报, Vol 38, Iss 8, Pp 1168-1174 (2016)
Wall thinning occurs at transition shoulders in cross wedge rolling (CWR) hollow parts without a mandrel, which will reduce the mechanical strength of the parts, so improving the wall thickness of the shoulder must be resolved. Based on finite elemen
Externí odkaz:
https://doaj.org/article/b7e6e936e26b4b82b960363f481a6fa9
Publikováno v:
工程科学学报, Vol 38, Iss 4, Pp 561-567 (2016)
Compared with traditional machining processes,the plastic forming of big spiral teeth shafts has obvious advantage of high production efficiency and material utilization,but the forming of proper tooth graduation is difficult. The parametric equation
Externí odkaz:
https://doaj.org/article/66b5736532f046659498e4f1acec8f71
Publikováno v:
工程科学学报, Vol 37, Iss 6, Pp 777-781 (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. It is found that the cut-off
Externí odkaz:
https://doaj.org/article/1a1379b4126242a58b95705d3b9c6ff9
Publikováno v:
工程科学学报, Vol 37, Iss 6, Pp 782-788 (2015)
Based on the principle of steel ball forming by skew rolling, a finite element model of steel ball forming by skew rolling was established by using software DEFORM-3D. This FEM model was proved to be reliable by contrast with laboratory experiment re
Externí odkaz:
https://doaj.org/article/bb79b10fd5ea47f2b0acf16b5d428f25
Publikováno v:
2011 International Conference on Consumer Electronics, Communications and Networks (CECNet).
In the forming process of V-type ring groove on steel pipe by hot skew rolling, because the technology and metal flow characteristics in skew rolling process result in deformation of internal wall during modeling process and the deformation effects d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d13792be810cdeb398cb2fa16e953b0f
https://doi.org/10.1109/cecnet.2011.5768855
https://doi.org/10.1109/cecnet.2011.5768855
Publikováno v:
2010 International Conference on Mechanic Automation and Control Engineering.
Elliptical shaft has been using widely in blank forming for various kinds of precision forging and its step is mostly formed into cone shape with cross wedge rolling (CWR) process. To solve the spiral cone volume, a mathematic model was established b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf267244a58410fe8e05dd547ec41345
https://doi.org/10.1109/mace.2010.5536153
https://doi.org/10.1109/mace.2010.5536153
Publikováno v:
2010 International Conference on Mechanic Automation and Control Engineering.
Axial force in CWR plays an important role in studying the forming quality of asymmetric shaft-parts, section shrinkage of rolled part and rolling of heavy area reduction. This paper proves that calculating axial force by FEM has favorable reliabilit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d27eb5ddf5a2192ea2609b414a30e83
https://doi.org/10.1109/mace.2010.5535676
https://doi.org/10.1109/mace.2010.5535676
Publikováno v:
AIP Conference Proceedings.
For the rolling axle on Cross‐Wedge Rolling with Multi‐wedge, the key question is to guarantee the even distortion on each spot of the rolled pieces. In this paper, it has been taken that technological parameters of various wedges and the order o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a507fa7a035ff91e00acb4ddcdf2377
https://doi.org/10.1063/1.3457504
https://doi.org/10.1063/1.3457504