Metalurgija, Vol. 50 No. 4, 2011.
Izvorni znanstveni članak
The manufactoring of a two–layered injection mold by welding
A. Košnik
; Hella saturnus Slovenija d.o.o., Ljubljana, Slovenia
J. Tušek
; Faculty of Mechanical Engineering, Ljubljana, Slovenia
L. Kosec
; Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
T. Muhič
; TKC d.o.o., Ljubljana, Slovenia
Sažetak
The article presents the technology of deposit cladding different materials, using the injection molds for thermoplastic as a case study. The aim of the study is to surface weld to the working surface of the mold a different material with corresponding physical properties. Steel (1.1141) and a copper alloy were used as the base, onto which different materials were surface-welded. Tungsten inert gas (TIG) welding was employed to make molds inserts. An analysis of cross-sectioned specimens was made by optical microscopy, and chemical and hardness profiles were measured too. The thermal conductivity of base and cladded layer was also tested. Finally, a thermal fatigue test was employed to investigate the thermal fatigue properties of such surfaces.
Ključne riječi
injection mold; surface welding; copper alloy; thermal and chemical analysis
Hrčak ID:
68426
URI
Datum izdavanja:
3.10.2011.
Posjeta: 2.172 *