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Winnington Casting Co., Ltd
Expert of stainless steel kitchen and bathroom products, investment casting parts!
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Precision investment casting for CF3M stainess steel Impellers silica sol lost

Precision investment casting for CF3M stainess steel Impellers silica sol lost

Place of Origin : China
Brand Name : Winnington
Certification : ISO 9001:2008, PED/AD2000
Model Number : Custom specification
Minimun weight : 20g
Maxium weight : 80kg
Minumum wall thickness : 1.5-2mm
Max dimensions : 500*500*350mm
Capacity : 120Ton/month
Standards : AISI,BS,DIN,JIS,GB
casting process : Silica sol lost wax casting
Machining : CNC machining,CNC lathe
surface finish : electro polish,satin,hand polished,pickled,zinc plating
MOQ : 20pcs for Precision investment casting
Price : Customer specification for Precision investment casting
Packaging Details : Air bubble or foam paper packing for Precision investment casting
Delivery Time : 45-90 days for Precision investment casting
Payment Terms : TT,LC
Supply Ability : 120 Tons/Month for Precision investment casting
Port : Shenzhen
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Detailed Product Description

Lost wax investment casting for impeller in pump industry, X ray test available.


Quick Detail:


  • CF3M Stainless steel investment castings for impeller of pump.
  • Application: marine and oil industry.
  • Process: Silica Sol Lost wax casting;
  • Wax type: Medium temperature wax;
  • Weight: 4kg;
  • CNC machined in house;
  • NDT service available.

Description:


OEM impeller investment casting parts for industries such as water solution, marine and oil, gas, food processing, paper pulp,chemical liquids transmission etc.

Materials that Winnington cast is stainless steel(including duplex stainless steel), alloy steel (nickel based), carbon steel etc.. Please contact our sales for a detailed list.


Brife description of investment casting process:


  • Wax die making: Our wax die is made of Aluminum which is easy for CNC machining and fast for cooling.
  • Wax injection: Feed the entire mould with molten wax, and wait until it cooled when a desired wax pattern is shaped and harden.
  • Assembly of the wax patterns: The wax patterns are connected to a gate system by a heated metal knife.
  • Coating: The ceramic shell, known as the investment cluster, is fabricated by three repeating steps: coating, stuccoing, and drying. The first step involves dipping the cluster into a slurry of fine refractory material. This fine material is used first to give a smooth surface finish and reproduce fine details. In the 2nd step, the cluster is stuccoed with a coarse ceramic particle, by dipping it into a fluidised barrel, placing it in a rainfall-sander. Finally, the coating is allowed to harden.
  • Dewaxing: The investment is then allowed to completely dry, which can take 16 to 48 hours. It is then turned upside-down and placed in a autoclave to melt out and/or vaporize the wax.
  • Burnout and pre-heating: The mold is then subjected to a burnout, which heats the mold to remove any moisture and residual wax, and to sinter the mold. The mold is preheated to allow the metal to stay liquid longer to fill any details and to increase dimensional accuracy.
  • Casting: The investment mold is then placed cup-upwards into a tub filled with sand and be poured.
  • Treatment: The shell is then hammered, media blasted, vibrated, waterjeted, or chemically dissolved to release the casting metal. Extra processs like weld repairing,grinding, ball blasting, machining, electro plating would be taken to get a final cleaned investment casting part.
Specifications:

Maximum Casting Size

500*500*350mm

Standards

ASTM,JIS,DIN,BS,MIL

Casting weight

10g~80kg

Wall thickness

1.5-2mm Min

Casting process type

silica sol lost wax casting

Machining

CNC machining,CNC lathe

Surface finish

electro polishing, satin, hand polished, pickled, zinc plating

Tolerances

Raw Casting tolerances in drawing are according to DIN VDG-Merkblatt P-690; Dimension less than or equal to 24mm will in accordance to D1 standard; Dimension greater than 24mm will in accordance to D2 standard


Advantage:


Winntington has strong technical support and full range of casting facilities and testing instruments to cater the growing investment casting business.


Investment casting is an industrial process based on and also called lost-wax casting, one of the oldest known metal-forming techniques.The castings allow the production of components with accuracy, repeatability, versatility and integrity in a variety of metals and high-performance alloys.

CF3M Stainless steel Lost wax investment casting pump impeller with X ray test



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