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  • 07 2019-08
    A&M company test ability
    A&M company has independent testing and manufacturing of piston pump performance test bench, proportional valve test bench, large-capacity oil reserve circulation filtration system and other key test equipment, coupled with a strict standard test process, effectively guarantee the quality of the factory products.
  • 02 2019-08
    Advanced Lost Wax Casting Process
    A&M Manufacturing Co.Ltd.specializing in the production of various kinds of high quality carbon steel, stainless steel, steel alloy revestment precision casting parts, etc. , Our company has the annual output of 1000 tons of precision castings production capacity with modern advanced revestment precision casting equipment and technology. The company can also according to the requirements of customer to make all kinds of high dimensional accuracy, good surface finish, complex shape parts. Lost Wax Casting is the main technology of investment castings. In most conditions, it can be regarded as investment casting. The main process of lost wax castings is: mould design--mould making--wax injection--tree assembly--shell making-dewax-shell roasting-pouring-cleaning-heat treatment-machining-package. Advantages of lost wax castings: a, Accuracy: dimension tolerance--CT5~CT7,roughness--Ra2.5~6.3μm,weights range from 10g to 80kg; b,Surface shape and inner cavity is almost not limited, we could manufacture lost wax castings with minimum wall thickness 0.5mm; c, Almost all kinds of material can be used, such as steel, aluminum, copper, superalloy and so on. Disadvantage of lost wax castings:
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