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CASTING PROCESS

Cost of castings produced by lost-vaning mold process

Taking a single cylinder block with a single weight of 42KG, a size of 700*400, an annual output of 5000T, 400 pieces per day and cast iron material as an example, the cost analysis is as follows:

2021

02-02

Influence of Lost Foram Equipment on Lost Foram Process

The lost vanity mold process equipment is a necessary condition to ensure the implementation of the lost vanity mold process, and it also affects the quality of castings to varying degrees. Among them, the quality of the white mold, the pouring process and the sand treatment play a very important role in the whole process of the lost-form process. This paper mainly stands in the perspective of the process to the above-mentioned process of the loss of the key equipment for a concise analysis, the purpose is to clarify how to ensure the smooth implementation of the process.

2020

11-26

Process Experiment of Lost Foam Casting Iron Cap for High Voltage Wire

Insulating iron caps for high-voltage wires were originally produced by coated sand casting. With the advantages of lost foam casting in terms of material labor cost and environmental protection of operating energy, people began to try to use lost foam casting to produce such castings. This paper describes a variety of lost foam production iron cap casting process practice, so as to explore the most suitable for lost foam production casting process.

2020

11-26

Special Application of Lost Foam Casting Process in Casting Production

In recent years, the lost foam casting process has developed rapidly, and the scope of application is becoming more and more extensive. This method does not need to start the mold, repair, under the core, close the box, the modeling of the use of non-adhesive dry sand filled plastic foam pattern, in the negative pressure conditions of solid pouring. It greatly simplifies the operation process and improves production efficiency; the casting quality is good and the process yield is high; it not only improves the working environment, but also reduces labor intensity. The many advantages of the lost foam process determine that it has great potential in casting molding and special applications. For example, high manganese steel parts are treated with hot water by casting surplus. The lost foam process solves the crack defects of thin-walled, wear-resistant and heat-resistant castings. In recent years, the author has accumulated some experience in the production practice of lost pattern. In this paper, combined with the characteristics of lost foam casting, the special application of several aspects of the process is briefly described.

2020

11-26

Casting Technology of Lost Foam Grinding Ball

The advantages and process characteristics of lost foam casting are especially suitable for the casting of grinding balls. It gives full play to the characteristics of investment casting that can be grouped and poured in series, and does not need crust. It has the advantages of high process yield, high production efficiency and high product quality. Lost foam casting grinding ball is a relatively simple type of lost foam casting process. Lost foam casting grinding balls must meet the national standards for grinding balls. As well as the Ministry of Power, the Ministry of Building Materials and other standards. At the same time, the production of grinding ball manufacturers in accordance with the above standards, combined with the requirements of users, according to the local raw material conditions, appropriate adjustment, such as near the production of rare earth mining area or other mineral materials with rare earth elements, in the casting of grinding ball when the appropriate amount of people can improve the mechanical properties and performance of the grinding ball.

2020

11-26

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