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2020 Good Quality Stainless Steel Vacuum Casting Company - Ductile Iron Vacuum Casting – RMC Foundry

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Persisting in "High top quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with customers from the two overseas and domestically and get new and aged clients' large comments for Ductile Iron Casting Parts , Aluminium Investment Casting , Steel Precision Casting Products , Our tenet is "Reasonable prices, economical production time and very best service" We hope to cooperate with much more shoppers for mutual enhancement and benefits.
2020 Good Quality Stainless Steel Vacuum Casting Company - Ductile Iron Vacuum Casting – RMC Foundry Detail:

Vacuum Casting is also called Negative Pressure Sealed Casting, Reduced Pressure Casting or V Process Casting. Vacuum pressure casting requires the use of air extraction equipment to extract the air inside the casting mold, and then use the pressure difference between the inside and outside of the mold to cover the heated plastic film on the pattern and template. The casting mold will become strong enough to withstand the molten metal during casting. After obtaining the vacuum mold, fill the sand box with dry sand without binder, and then seal the top surface of the sand mold with the plastic film, followed by vacuum to make the sand firm and tight. After that, remove the mold, put the sand cores, close the mold to make everthing ready for pouring. Finally, the casting is obtained after the molten metal is cooled and solidified.

Advantages of Vacuum Casting Process
1) The vacuum castings have high dimensional accuracy, clear outline and smooth surface.
Because the surface of the model is covered with plastic film, there is no need to vibrate or knock when pull the mold. The suction and negative pressure make the molding sand compact, and the hardness of the sand mold is high and uniform. Under the heat of molten metal, the cavity is not easy to deform. Moreover, the existence of negative pressure is conducive to the full filling of molten metal into the model. The surface roughness of V process castings can reach Ra = 25 ~ 2.5μm. The dimensional tolerance level of castings can reach CT5 ~ CT7. The appearance quality of negative pressure castings is good, and the internal quality is reliable.
2) There are no binders, water and additives in the molding sand, which makes the sand processing simple.
3) It is simple to clean the vacuum castings. Less harmful gases are generated during the casting process.
4) The vacuum castings could be used at a wide range of industries. It can be used for single-piece small batch production as well as mass production, especially large and medium-sized castings and thin-walled castings are more suitable for vacuum casting.

Why You Choose RMC Foundry for Custom Vacuum Castings?
• Easy recovery of the sand because the binders are not used
• Sand does not require mechanical reconditioning.
• Good air permeability because there is no water is mixed with sand, therefore less casting defects.
• More suitable for large scale castings
• Cost effective, especially for large castings.

v process casting
vacuum casting process


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2020 Good Quality Stainless Steel Vacuum Casting Company -
 Ductile Iron Vacuum Casting – RMC Foundry detail pictures


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We insist on offering high-quality production with great enterprise concept, honest product sales and also the finest and fast service. it will bring you not only the superior quality solution and huge profit, but the most significant should be to occupy the endless market for 2020 Good Quality Stainless Steel Vacuum Casting Company - Ductile Iron Vacuum Casting – RMC Foundry, The product will supply to all over the world, such as: Norwegian , Rio de Janeiro , Mauritius , Customer's satisfaction is always our quest, creating value for customers is always our duty, a long term mutual-beneficial business relationship is what we are doing for. We are an absolutely reliable partner for yourself in China. Of course, other services, like consulting, can be offered too.
  • This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Amy from Singapore - 2018.12.30 10:21
    In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
    5 Stars By Hannah from Auckland - 2018.11.04 10:32