Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Zhong-de Shan"'
Publikováno v:
工程科学学报, Vol 44, Iss 8, Pp 1331-1337 (2022)
In combination with the digital and green development needs of the foundry industry, this article proposes a digital patternless freezing casting method. In this method, mixed water green sand particles are frozen and transformed to a certain strengt
Externí odkaz:
https://doaj.org/article/313732b2c1354a6f838887ae202f1d86
Publikováno v:
工程科学学报, Vol 43, Iss 2, Pp 273-278 (2021)
Considering the digital flexible extrusion sand mold as the research object, the surface quality of sand mold was studied by designing a single-factor experiment, and then the optimal parameter for the high-precision flexible forming of sand mold was
Externí odkaz:
https://doaj.org/article/91a00709fc55486299eae13447395e08
Publikováno v:
China Foundry, Vol 17, Iss 4, Pp 308-313 (2020)
Digital patternless freeze-casting technology is a new approach for obtaining frozen sand moulds using digital milling technology. The change law of tensile strength and air permeability of frozen sand moulds (100-mesh and 200-mesh silica sand, and z
Externí odkaz:
https://doaj.org/article/93ff1dac7ccc4f17b3b447a53ab4a9b7
Autor:
Zhong-De Shan, Fu-Xian Zhu
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 31, Iss 1, Pp 1-11 (2018)
Abstract Cutting force is one of the research hotspots in direct sand mould milling because the cutting force directly affects the machining quality and tool wear. Unlike metals, sand mould is a heterogeneous discrete deposition material. There is st
Externí odkaz:
https://doaj.org/article/9a7e4597e93a4829b4d340241f1cb0ad
Publikováno v:
China Foundry, Vol 15, Iss 5, Pp 343-350 (2018)
A multi-material hybrid patternless moulding process for complicated castings has been proposed. Moulding sands used in the hybrid moulding process include silica sand, ceramic sand, chromite sand, zircon sand, and steel shot sand. Experimental met
Externí odkaz:
https://doaj.org/article/1d7a1fcc6996499e992436965913e04d
Publikováno v:
China Foundry, Vol 14, Iss 6, Pp 492-497 (2017)
In order to further improve the precision forming efficiency of a sand mold digital patternless casting and reduce the amount of sand mold cutting, a method for near-net forming of the sand mold with digital flexible extrusion technology was put forw
Externí odkaz:
https://doaj.org/article/919412d73b694aaab5b7b94ed8094b44
Publikováno v:
China Foundry, Vol 14, Iss 6, Pp 498-505 (2017)
Sand mold 3D printing technology is an advanced manufacturing technology which has great flexible manufacturing ability. A multi-material composite sand mold can control the temperature field of metallic parts during the pouring process, while the cu
Externí odkaz:
https://doaj.org/article/e081e21f5ba84b1fb23011b2a03b03df
Publikováno v:
China Foundry. 19:288-298
Publikováno v:
Materials Science Forum. 1032:101-107
In this paper, a thermal inkjet printing simulation model is established in the CFD simulation platform, and the influence of inkjet driver parameters and ink physical parameters on the printing process is studied by numerical simulation. The evapora
Publikováno v:
Materials Science Forum. 1001:115-120
The pattern-less sand mold was used as the research object, surface quality of sand mold was carried out by using surface abrasion tester. In this paper, the influence of sand material such as the types of sand, resin contents and extrusion pressure