Centrifugal casting process

molten metal is poured into a hollow cylindrical mold spinning about a horizontal axis. The centrifugal force distributes the molten metal and shapes it into a tubular/cylindrical forms. The high  forces involved in this casting method means that the less dense materials including impurities are forced into the center where they can be subsequently removed and gas related defects and shrinkage porosity are reduced thus parts made from centrifugal casting exhibit denser, closer grained structure with improved physical qualities such as tensile strength, yield strength, elongation and uniformity.

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Trunnion Type Centrifugal Casting Machines

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Trunnion type centrifugal casting machines use a mold or flask that is supported and rotated by four trunnion wheels. These machines are used for producing castings that have lengths longer that their diameter.                          Common castings produced on trunnion type include bushings, bearings, cylinder liners, piston rings, pipe, and steel tubes and sleeves. Our automatic centrifugal casting machine all adopt trunnion type as main engine.
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Principle of centrifugal casting

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Centrifugal casting is that the liquid metal is injected  to the mold of high-speed rotation.Under the action of centrifugal force, the metal liquid is full of mold.Centrifugal force makes the liquid metal in the radial well with casting and formed a free surface of casting.The centrifugal casting can obtain cylindrical inner hole without core.It is conducive to rule out the gases and inclusions in liquid metal ,which improves the mechanical and physical properties of casting.
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Fully Automatic Centrifugal Casting Machine

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Summary The tradition cylinder liner production enterprise mainly uses many single cantilever type centrifugal casting machines in production. This is typical Labor-intensive industry. The feature is unstable quality, high labor intensity and poor working conditions. With the development of society, we need the higher quality products, the lower Product costs. Our machine has high efficiency, fully automatic and stable production process. So it can meet the new requirements. Single-station fully automatic centrifugal casting machine adopts the host+ multi-station auxiliary, which structure is integrated. The host control by VFD. The auxiliary equipment control by servo and include cleaning, spraying, pouring, cooling and pulling device. The main machine’s speed is adjustable and steady in the high speed. It is advanced spraying technology in multistage and multispeed. The critical technical parameters are monitored and adjusted in the process of casting, which ensure the casti...
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