VDV maintains high standards for strict quality control and promises to strictly observe the delivery schedule.
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There are two major categories of lost wax casting: solid mold and ceramic shell mold. The ceramic shell mold is a modified method from solid mold.
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VDV provides rough stainless steel precision castings for numerous well-known global companies and has been recognized as an outstanding supplier multiple times.
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Investment casting can apply any material and more flexible of production capacity.
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All our endeavors are geared towards becoming your premier provider of precision castings!
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Argon shielding (purity ≥99.999%), ER316L filler wire, post-weld grinding to Ra ≤6.3 μm.
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What is Lost Wax Casting (Investment Casting/Precision Casting)?
The material of the lost wax casting method is made of refractory slurry (such as silicic acid or silicone rubber), binder and other materials to make slurry liquid and mix with zircon sand and mulgrain sand are sequentially covered in the wax tree outside after repeating several times of dipping slurry, fluid sand and drying to form a layer of similar ceramic shell, after the formation of the so-called ceramic shell mold, so casting alloy steel, super alloy and other high-temperature high-precision casting method, known as ceramic shell mold lost wax casting method.
Introduction of Lost Wax Casting
Precision casting method refers to the use of non-metallic mold (shell mold), accuracy dimension and bright surface is higher than the general sand casting method which has a unique characteristic and advantage different from general traditional casting, forging, and mechanical cutting. Precision casting is another name commonly known and divided into three categories, including lost wax casting or investment casting, plaster mold casting and ceramic mold casting, the most important lost wax casting. The originally English called investment casting; however, the manufacturing process of dewaxing, it is also known as lost wax casting.
There are two major categories of lost wax casting
Solid mold and ceramic shell mold. The ceramic shell mold is a modified method from solid mold. Most of foundries apply for this method already.
Advantages of Lost Wax Casting
Investment casting can offer the maximum of casting limits length is 800mm, easy to make the length of 200mm or less. The maximum weight is about 100 kg, but generally is under 10 kg.
Investment casting can produce and make for thin-wall, complex shape, delicate floral form, multi-working procedure, difficult-to-machine material, near net-shapes and several components become one piece.
Investment can save material waste and mass production.
Investment casting can offer the maximum of casting limits length is 800mm, easy to make the length of 200mm or less. The maximum weight is about 100 kg, but generally is under 10 kg.
Compare with other casting method, investment casting can achieve the purpose of short working time and low cost which doesn’t need many working procedure, large mechanical process, low productivity and waste lots of material in order to bring high cost components.
Investment casting can achieve such as complex components can be casted holes, pitch, groove, teeth, notched, thin sharp edge and other forms. Due to fine dimensional accuracy, more than 90% no longer need to be processed such as milling, turning, boring.
Application scope
Lost wax casting is widely used in industry machinery and equipment, valves, pump, injection engines, gas turbines, measuring instrument, aircraft parts, internal combustion engines, vehicles, food machinery, printing machinery, paper machinery, compressors, sewing machines, steam turbines, weapons, business machines, and other machine parts
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