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Basic Concepts of Precision Casting Parts

Precision casting parts include: investment casting, ceramic casting, metal casting, pressure casting, lost foam casting. One of the more commonly used is investment casting, also known as lost wax casting: selection of suitable investment casting materials (such as paraffin wax) manufacturing mold; in the mold on the repeated dipping refractory coatings and sprinkle refractory sand process, hardening and drying of the shell; and then the internal melting mold melting away, access to the cavity; baking shell to obtain sufficient strength, and burn off the residual mold material; pouring of the required metal materials; solidification and cooling, after the shell clearing of sand, and thus obtain high-precision finished products. The result is a high precision finished product. According to the product needs or heat treatment and cold working and surface treatment.

03

2023

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02

Principles of selection of precision casting parts

Casting is an ancient manufacturing method, which can be traced back to 6000 years ago in China. With the development of industrial technology, the development of casting technology is also very rapid, especially at the end of the 19th century and the first half of the 20th century, there are many new casting methods, such as low-pressure casting, ceramic casting, continuous casting, etc., which have been improved and practical in the second half of the 20th century. Due to the casting quality, casting accuracy, casting costs and casting automation requirements, casting technology to precision, large-scale, high quality, automation, clean and other directions, such as precision casting technology, continuous casting technology, special casting technology, casting automation, casting molding simulation technology. Casting main process includes: metal melting, model manufacturing, pouring solidification and demolding cleanup. Casting methods commonly used is sand casting, followed by special casting methods, such as: metal casting, molten mold casting, plaster casting ...... and so on. Sand casting can be divided into clay sand, organic binder sand, resin self-hardening sand, disappearing mold and so on.

20

2022

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12

Scope and method of cleaning precision casting parts

It is categorized into dry and wet methods. Dry cleaning is the use of mechanical equipment to clean the castings. The equipment used is simple, high productivity, adaptable to different types of castings, with the advantages of core removal and high surface cleaning efficiency. The disadvantage is that the equipment often produces dust, noise and environmental pollution during operation. Wet cleaning has no dust, but due to the use of water as a medium, the surface of the casting is prone to rust and pollution. The operation process generates a large amount of sewage and cement sand, causing problems such as sand and water regeneration and sludge disposal.

17

2024

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01

Advantages of Rapid Precision Casting Parts

In recent years, with the gradual improvement of China's precision casting industry chain and the continuous improvement of technical strength, the demand for precision casting in the downstream demand areas is increasing. However, the traditional precision casting production process still has many problems that plague a large number of precision casting manufacturers. In such a market background, with its many years of practical experience in the foundry industry, using its high-performance light-curing 3D printing equipment, independently launched a set of rapid precision casting integrated system (Quick Casting) in the traditional precision casting process, the application of the solution can effectively solve the problem, while ensuring the production of high-quality castings.

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2024

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Roswell

Products involved in aviation, medical, automotive, agricultural machinery, ships, building hardware, industrial parts, decoration and crafts precision castings;

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