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Characteristics and methods of castings
Casting is a forming method in which molten metal liquid is poured into a mold
similar to the shape of the part, and after cooling and solidification, a blank
or part with a certain shape and performance is obtained.
1. Casting and its characteristics
Castings are generally blanks, which need to be cut before they can become
parts. Parts with lower precision requirements and larger surface roughness
parameter values, or castings produced by special casting methods can also be
2. There are many casting production methods, and there are two common types:
a. Sand casting: a casting method in which molding sand is used to form
compactly. The source of molding sand is wide, the price is low, and the sand
casting method is adaptable, so it is the most basic casting method used in
production at present.
b. Special casting: other casting methods different from sand casting, such as
investment casting, metal mold casting, pressure casting, low pressure casting
and centrifugal casting.
casting of cast iron plates
3. Casting production has the following advantages:
a. Can be made into blanks with very complex shapes and cavities. Such as
various boxes, beds, racks, etc.
b. Wide application range. It can cast workpieces of different sizes, weights
and shapes; it is also suitable for different materials, such as cast iron,
cast steel, and non-ferrous alloys. The weight of castings can range from a few
grams to more than 200 tons.
c. Wide sources of raw materials. Scrap parts or chips can also be used; the
cost of process equipment is small and the cost is low.
d. The size of the obtained casting is close to that of the part. It can save
metal consumption and reduce the workload of cutting.
However, castings also have disadvantages such as poor mechanical properties,
many production processes, unstable quality, and poor working conditions of
workers. With the development of casting alloys and casting technology,
especially the development of precision casting and the successful application
of new casting alloys, the surface quality and mechanical properties of
castings have been significantly improved, and the scope of application of
castings has been expanding.
Jinggong Measuring Tools Producing Co., Ltd is specializing in manufacturing
and exporting all kinds of cast iron products，especially for cast iron floor
plates, cast iron surface plates, cast iron clamping plates, cast iron angle
plates, cast iron box table and other machine tool castings. Our engineering
enables us to design the cast iron plates and tables according to DIN
Standards, Indian Standards and Chinese Standards, machining by CNC machine
tools and install in the world market.
Minimum Order: 1 sets
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SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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