Impeller Pump Accessories in investment casting

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Qingdao
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TT OR LC
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1 m.t.
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40 m.t./month

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Product Description:

          Made of 304 stainless steel products, mainly used in the impeller of the pump equipment. Products for OEM type, requires customers to drawings or samples for mold making, casting, machining and other processes.

        Process flow diagram:

         Taigang Investment Casting Co.,Ltd. (hereinafter referred to as Taigang) affiliated with Shandong Taishan Iron and Steel Group Co., Ltd., founded in 2000, covers an area of 10000 m2,has skilled workers and qualified engineers.Taigang is a member of China Foundry Association, had passed the ISO 14001:2004 EMS and ISO 9001:2008 QMS. With independent import and export right, Taigang sales products to South Korea, USA, Italy, Turkey, Spain, Japan and other countries.

        Taigang is mainly engaged in the development and manufacture of precision castings, focuses  on the research of water pump spare parts, Min impeller passage width is up to 4 mm.Taigang has an advanced precision casting production lines (silica sol lost wax process), an alloy casting lines (lost foam process), a CNC machining workshop (with output value of RMB 1.5 million yuan per month), aheat treatment workshop and many advanced test equipments,such as spectrometer, three-dimensional coordinate detector etc ,so as to have the ability to manufacture qualified castings. Now Taigang has the capacity of 1000 tons for precision castings per year, 1500 tons for heat resistant steel products per year, annual sales income adds up to 100 million yuan.

        With the help of high quality and good reputation,Taigang wins high praise not only from the domestic clients,but also from abroad.Taigang is willing to cooperate with the vast number of foreign clients hand in hand and to achieve a win-win goal.


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Q:What should I pay attention to when designing a casting structure?
The basic structure of unit 3 in the design of metal casting casting and its parameters are selected, usually should also pay attention to: (1) because of the metal type heat quickly, so the metal type casting minimum wall thickness should be bigger than the sand casting casting casting; (2) the inner wall of the internal ribs and the thickness of a should be connected the outer wall thickness of 0.6 to 0.7, or as the inner wall (rib) cold slowly, cracks in the wall at the junction in the casting shrinkage; (3) to prevent generating white grey cast iron, in addition to taking measures in the process, must make the wall thickness is not too thin (some information that cast fillet at the corner of the wall thickness of 15mm or more, with metal casting casting must be in the corner, for Aluminum Alloy, metal casting magnesium alloy castings shall not be less than 3 ~ 4m; (4) because of the metal type and the core that, for To facilitate the extraction of castings and casting out type, slope casting should be suitably large than sand casting metal casting, the general should be 30% ~ 50%, it should be pointed out that in addition to the height of the slope of casting size and alloy type, wall, is also related to the casting surface position, where the cooling and contraction of the metal type the surface of casting surface can be designed from the tendency of small inclination, while casting shrinkage tend to be pressed on the surface of metal casting type should be given greater inclination.
Q:How much is the amount of electrophoretic paint per square meter used in the casting?
It was a very simple question, and it was complicated by what you said.In general, when the final thickness of 15-20 microns, cathode electrophoresis paint can be coated per kilogram of 6-8 square meters, the current general cathode electrophoresis paint for the price of 22 yuan / kg, so the cathodic electrophoresis electrophoresis paint cost at 4 yuan / square meters.
Q:What method of casting does not rust? I think the sample is like oil
The surface of a general casting is easy to rust. In order to prolong the rusting period, antirust paint or antirust oil is usually sprayed. What you said should be anti rust oil.
Q:Heat treatment process and purpose of casting parts
Natural aging (also known as Chang Hua): lost in the open, the sun and rain, can have experienced years of wind and frost.
Q:What do you mean by "proofing" in the casting? Do you charge for the proofing?
Proofing refers to making the first sample to confirm to the customer
Q:Is 316 casting better than 304 casting?
The degree of difficulty in the process of casting depends mainly on the structure, precision requirements, and hardness of the casting. It is comprehensive. There is no simple comparison of the material to determine the degree of difficulty in processing
Q:Sealing test of casting parts 5
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
Q:Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
This is difficult to say, the key is to see the specific parts and components, the final mechanical performance requirements.For example, gray cast iron, usually graphite annealing, to heat treatment annealing, surface quenching and so on, ductile iron can be a variety of annealing, normalizing, quenching and isothermal quenching, surface treatment, chemical treatment and so on, in a word, heat treatment of steel can usually, nodular cast iron can do. Malleable cast iron and vermicular cast iron are often subjected to graphitization annealing and stress relieving annealing, while wear-resistant cast irons often undergo quenching + low temperature tempering, and so on.Welding is the case, such as bearing steel welding must be quenched + low temperature tempering, machine spindle welding (repair welding) must be quenched and tempered treatment, and so on. Of course, if it is a general weld, there is no need for heat treatment or, at most, stress relieving annealing.
Q:Why does the surface of stainless steel casting mirror mirror ripple?
Those should be head prints. If required, it would be better to throw with a single grinding head.
Q:Can the casting part be phosphating with the phosphating solution of the pickling board?
Like stainless steel casting, duplex stainless steel casting is phosphating, ductile iron gray iron is not required

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