Which precision casting shell is more accurate

In the investment casting process, there are 4 methods of shell making. They are sodium silicate shell, composite shell, silica sol shell (low temperature wax), silica sol shell (medium temperature wax). So, which one has higher precision than silica sol casting? To learn more, click the link below.

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How to Mirror Polish Stainless Steel

What is mirror polishing
Mirror polishing is divided into mechanical mirror polishing and chemical solution mirror polishing.
Mechanical mirror polishing is to polish (rough grinding, fine grinding) metal materials to achieve a smooth and bright mirror effect.
Chemical solution mirror polishing is to use chemical solution to remove surface oxide skin to achieve brightening effect.
Mirror polish depends on the finish. Directly understood as smooth as a mirror, below Ra0.2, etc. Usually used for polishing stainless steel. Sometimes used to polish cast aluminum.

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Casting Coating Process

The process of using foundry coatings in cast steel production
The effect of coating is mainly evaluated by the surface quality of the steel castings produced. In order to obtain smooth steel castings. Not only coatings require good performance. It must also have excellent high-temperature performance: First, the coating will not crack during sharp temperature changes. Second, the physical and chemical properties of the coating are stable at high temperatures. Does not react chemically with liquid metal. The coating can be easily peeled off from the casting surface.

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304 Stainless Steel Investment Casting for Meat Grinder Parts
A meat grinder is a kitchen appliance used for cutting and finely chopping. It is suitable for raw or cooked meat, fish, vegetables or other foods. With a meat grinder, we can grind out the meat we want. We only need to wash the meat, put it into the meat grinder, and shake the handle to work. It is very convenient for our daily life.

https://www.jccasting.com/meat-grinder-parts/

Investment Casting Ultrasonic Inspection
Ultrasonic nondestructive testing, also known as ultrasonic NDT or UT for short, is a method of characterizing the thickness or internal structure of a test piece by using high-frequency sound waves. The frequencies or tones used for ultrasonic testing are many times higher than the limit of human hearing, with the most common range being 500 KHz to 20 MHz. The time interval between transmitted and reflected rays was recorded by a cathode ray oscilloscope. Any cracks or voids in the casting will cause reflections or some sound from the crack to appear as a point between two points representing the thickness of the casting. From the distance between these points, the crack depth on the surface of the casting can be easily calculated.
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sand casting material
JC CASTING is an ISO 9001:2015 certified sand casting manufacturer and foundry in China. We can provide different premium, small and large sand casting services and products. At our foundry, you can choose from a variety of sand casting materials according to your project needs.

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High temperature petrochemical casting applications
Petrochemical plants require quality and safety under conditions of high temperature and pressure. JC Casting's extensive alloy selection includes dozens of heat resistant grades. They provide exceptional performance for piping and fabricated assemblies operating at extreme pressures from 1,500 to 2,200°F (815 to 1,204°C) for 10 years or more. We can customize special alloy castings according to customers' alloy grades and application requirements.

https://www.jccasting.com/petrochemical/