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No 2-1 (2006)
 
7 366
Abstract

The state of foundry in the Republic of Belarus according to the developed and approved programs on the national level is given.

CAD foundry

10-19 2061
Abstract

New method for creation of models of operative control of enterprise is offered. The computer variant of the organizational structure, based on analysis of the charging dynamics of control units, is offered and illustrated at the example of one of organizational structures of Belorussian metallurgical works.

20-23 434
Abstract

The analysis of thermodynamic models, which can be used for calculation of phosphorus allocation in the process of melting in steel-making furnace, is presented. It is shown, that temperature of melting process, basic capacity and oxidability of slag mixture in furnace influence to a greatest extent on allocation of phosphorus.

24-28 423
Abstract

The model of the regimes optimization of secondary cooling MNLZ, differing from the known ones by taking into account pressures and deformations occurring in different zones of ZVO is offered. The model takes into account the thermal and physical characteristics of steel type at evaluation of the heat exchange coefficient.

29-34 370
Abstract

The calculations on computer modeling of the process of chill mold filling with different number of castings in mold are presented. The interrelation between spatial configuration of chill mold and frequency curved lines for gradients of the chill mold and casting temperatures is analyzed. The possibilities of using of the temperatures gradients for analysis of thermostressed state of foundry units are shown.

35-38 399
Abstract

The mathematical model for calculation of longitudinal pressures in round ingot, which takes into account mechanical bending and plastoelastic characteristics of steel, is presented. The dynamics of changing of longitudinal pressures in zone of secondary cooling and along the whole length of the round cut ingot with diameter 160 mm of low-carbon steel St20 is determined by means of computer analysis.

Foundry

39-40 1586
Abstract

During decades all over the world the main mixing outfits of sand-clay agglutinant sands have been blenders of periodic action of rolling type. A new generation of mixers comes to replace them

41-44 381
Abstract

The new approach to the development and investigations of the impellers configuration at turbulent stirring of the agglutinant sands is given

45-47 417
Abstract

It is determined that for compounds PGS being investigated the complex of requirements to the main technological quality parameters of mixture is provided at introduction of modificating compound.

48-50 361
Abstract

The working of high-speed single-auger blender of continuous action for preparation of sand-resin mixtures is described.

51-54 527
Abstract

UP ‘'Institute BelNIILit" has 40-years operational experience in the foundry market in the field of creation of forming equipment for production of piston rings castings in vertical-stack moulds.

55-57 1593
Abstract

The results of investigations of graphiteless nonstick coverings for chill casting are given in the article.

58-63 3327
Abstract

The induction systems of mid-frequency melting of metals for foundry of the Russian electro-technological company are presented.

64-67 394
Abstract

It is shown that rotary furnaces and drying ovens are a perspective type of furnaces, allowing to solve a number of problems in conditions of flexible production and strong resources economy

68-71 1909
Abstract

There are given some developments of ChP "SAS engineering company'' on modernization of equipment for melting of non-ferrous metals and alloys.

72-74 359
Abstract

The reasons of occurrence of axial polythickness of hollow slugs at forming of internal surface of melt without application of stick are investigated. The ways of its minimization are determined.

75-77 335
Abstract
The interrelation of transportation regimes, geometrical parameters of hollow cylindrical casting and arising in its wall pressures at continuous-cyclic casting is shown.
78-82 408
Abstract

The peculiarities of technology of continuous casting of ingots of machine- and machine tool building are shown. At development of technology it is necessary to subject the nomenclature of ingots to analysis in order to reveal expediency of their production by means of continuous casting.

78-82 1970
Abstract

The peculiarities of technology of continuous casting of ingots of machine- and machine tool building are shown. At development of technology it is necessary to subject the nomenclature of ingots to analysis in order to reveal expediency of their production by means of continuous casting.

83-85 416
Abstract

The peculiarities of production of massive wearresisting castings and profile slugs for the details of important assignment are studied. It is offered to use economdoped antifriction cast irons and the ways of casting with intensive heat-exchange for creation of such castings.

86-90 354
Abstract

The results of theoretical analysis of the hardening process in thin walled half-finished products using programmes 'Toligon” and 'ProCast'' are presented in this article.

91-93 429
Abstract

It is shown that using of cast iron with vermicular graphite in national economy proves its prospects as a construction material dues to technological effectiveness and economy.

94-95 1976
Abstract

It is shown that contents of oxygen, connected with surface atoms of modifier, are in reverse proportional dependency on particles size.

96-97 341
Abstract

It is shown that application of special modifiers allowed to carry out effective late graphitizing modification, which provided elimination of border chill in thin castings of complex configuration in terms of mass production.

98-101 402
Abstract

The list of the main types of the production, produced by ОАО ''NIIM'' is given.

102-105 376
Abstract

The results of development of the indicator of highstrength pig-iron are submitted in the report. The indicator using allows to carry out the testing of the pig-iron structure in conditions of manufacture without additional preparation of the casting surface.

106-110 340
Abstract

is determined that application of bowl with lid for spheroidizing processing of melt allows to receive high-test cast iron without pyroeffect and smoke emission.

11-115 377
Abstract

The peculiarities of the pistons castings production for high-loaded diesel engines are shown.

 

116-117 1890
Abstract

The influence of surface-active materials and different additives on sedimentation resistance of emulsion on basis of heterochain polymers with high molecular mass used for coating of molds at casting under pressure is studied.

124-127 1688
Abstract

The results of numerical modeling as compared to water analog are given for casing under pressure. The described approach in identification of numerical models allows to reveal their disadvantage at low costs.

128-129 1996
Abstract

Increase of cooling efficiency of casts of silumins at casting by quenching hardening allows to receive casts with inverted, nanostructural eutectic silicon of size 0,20-0,25 mkm, which by durability exceed bronze ones 34-40 times as much.

130-133 443
Abstract

The problems of aluminium production, using and recycling are considered. The technology found out for improvement of properties of secondary aluminium alloys is described.

134-135 1987
Abstract

The given investigations proved the increase of heat resistance of piston alloy AK12M2MgN at increasing in its contents of iron till 1% at additional processing of alloy by fluozirconate potassium and sulfur.

136-138 1925
Abstract

The chill mould with spray cooling system, which allows to receive the slugs of silumins ЛК9, ЛК12 and AK18 with high-dispersed microstructure without application of modifiers, is developed.

139-141 1894
Abstract

The technological schemas of the cast material production process are given. The optimal schema allowing to receive permeable materials with the required characteristics is proved.

142-144 405
Abstract

New effective preparation for modifying of hypereutectic silumins AK18 — piston alloy is created on the basis of research-experimental-industrial works.

145-147 389
Abstract

It is shown that the method of filling allows to increase considerably the lay-out of non-defective casting at production of stretched castings as compared to casting in stationary chill mold.

148-150 429
Abstract

The developed methods of metallurgical clearance of aluminium alloys are given. It is shown that exploitation of the outfit mod. 46161, developed by the specialists of NP RUP “Institute BelNlllit'' proves high efficiency of the secondary aluminium alloys processing by argon.

151-153 435
Abstract

Short review and analysis of the basic nine well known ways of the metals and alloys modifying are given. It is shown that casting by means of mixing of one- and two-phase melts, casting by quenching hardening, casting in crystallyzer with jet cooling is a powerful and general-purpose means of increase of the modifying efficiency.

154-157 1715
Abstract

The target setting of foundry charge calculations so as to minimize total cost of cast alloy was discussed. The linear programming methods were used to calculate the weight of charge metals which need to be melted to achieve a required composition of cast alloy. The software is developed for any foundry industry (ferrous, non-ferrous alloys production) where charges have to be assembled to achieve a required composition by weight and to minimize total cost of cast alloys.

158-160 2058
Abstract
The results of investigations of metallurgical processing of non-separated aluminium scrap are given. The values of the speed of different metals and alloys dissolving in melted Al are determined.
161-164 1934
Abstract

Chemical composition, structure and properties of copper upon base steps of wire production technology (melting of anode copper with using of scrap and waste, electrolitical refining, producing of rod by continuous casting, manufacture of electrotechnical wire and fibres) is described.

165-167 342
Abstract

The characteristics of liquid metal, influencing on forming of cast porous material, produced by its infiltration through salt particles, are considered in the article. The technological processes of cast porous materials with metal base — aluminium-silicon alloy AK12, providing the obtaining of porosity 60-85 % and pore sizes 0,2-3,0 mm, are given.

168-170 1946
Abstract

The technological aspects of the plate metal-roll production out of slugs, produced by means of continuous horizontal casting of Cu-Ni-Cr-Si bronze, are considered.



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ISSN 1683-6065 (Print)
ISSN 2414-0406 (Online)