搜索结果: 1-12 共查到“机械制造工艺与设备 Castings”相关记录12条 . 查询时间(0.09 秒)
Evaluation of Al-5Ti-1B and Al-10Sr in LM6 sand castings
Casting Modification Grain refinement
2009/12/14
Purpose: of this paper is to study the separate effects of grain refiner and modifier on the metallurgical properties of LM6 sand castings. The research aims to determine how grain refiner and modifie...
Possibilities of implementing bimetallic hammer castings in crushing industries
manganese steel white cast iron abrasive wear
2009/10/23
For decades manganese steel casts have been most used materials for manufacturing elements subjected to impact and high stress abrasion. These materials are used in countless industrial applications t...
Microstructure quantitative analysis of aluminum skeleton castings
Skeleton casting Core AlSi alloy Microstructure
2011/3/17
In this article authors showed method for manufacturing of closed skeleton castings with hypo – eutectic and eutectic aluminium alloys.
Improving the resistance to carburising of creep-resistant castings
Innovative foundry technologies and materials Ni-Cr cast steel Carburising
2011/3/17
The study presents the results of own investigations and of the investigations described in technical literature regarding various methods of improving the resistance to carburising of the creep-resis...
An establish attempt of reasons of machining splinter formation in AC44200 alloy high pressure die castings
Foundry production process Al-Si high pressure die casting
2011/3/15
A problem of splinter formation during machining the AC44200 alloy high pressure die casting has been experimental investigated. In order to establish the reason of this occurrence a set of 200 high p...
Control of cost heftiness of castings production with improvement of PROJECTS
Costs Moulding mixture Foundry Cost reduction
2011/3/15
The Specialized Commission for Economy of Czech Foundrymen Society in the Czech Republic systematically follows a solution of particular phases of castings production from iron and non-ferrous metals ...
Physico-chemical characteristic of aluminum alloy castings manufactured with cores containing fly ash as a base material
Innovative foundry materials and technologies Fly ash Aluminum alloy Structure
2011/3/15
Castings were poured from PA9 aluminum alloy. Cores in the form of standard cylindrical specimens were made from the core mixture based on fly ash of the identified chemical and granular composition.
Simulation of mould filling process for composite skeleton castings
Casting composite Solidification Particles Stirring
2011/3/15
In this paper technological and material conception of composite manufacturing with intensify of ex-situ powders and some results was shown. Technology of powders stirring with liquid metal in the cru...
Repair of magnesium alloy castings by means of welding and pad welding
Metallic alloys Magnesium alloys Welding
2010/2/22
Purpose: Attempts were carried out at pad welding and welding of castings made of alloy AZ91D. Technologies were developed to repair such castings by means of welding methods encompassing the choice o...
Structure of ductile iron in thin walled castings
Ductile iron Thin wall castings Archimedes spiral Castability
2011/3/11
It this work it has been shown that it is possible to produce thin wall ductile iron (TWDI) castings with considerably length using Archimedes spiral with wall thickness of 1, 2 and 3 mm.
Validation Studies of Temperature Distribution and Mould Filling Process for Composite Skeleton Castings
Skeleton castings Composite Simulation Casting
2011/3/11
In this work authors showed selected results of simulation and experimental studies on temperature distribution during solidification of composite skeleton casting and mould filling process (Fig. 4, 5...
EFFECTS OF FINISHING ON THE SURFACE QUALITY OF PRECISION CASTINGS
Defects of castings CuZn37Pb alloy 3 Finishing Surface texture
2011/3/10
The paper presents some manufacturing problems concerning leaded brass casting using the precision casting method. It shows that the quality of the alloy depends on the intermetalic phase compounds kn...
