Investment Casting Foundry | Sand Casting Foundry from China

Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

Factory wholesale Steel Lost Foam Casting Foundry – Alloy Steel Lost Foam Casting Product – RMC Foundry

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

We constantly think and practice corresponding to the change of circumstance, and grow up. We aim at the achievement of a richer mind and body along with the living for Precision Machining Services , Stainless Steel Vacuum Casting , Alloy Steel No Bake Casting , We Sincerely welcome clients from all around the entire world to visit us, with our multifaceted cooperation and get the job done with each other to develop new markets, build win-win outstanding future.
Factory wholesale Steel Lost Foam Casting Foundry – Alloy Steel Lost Foam Casting Product – RMC Foundry Detail:

Lost Foam Casting refers to the casting method that combines foam patterns with dry sand molding. The molten metal directly fills and replaces the space occupied by the original plastic mold, and directly obtains the required casting after cooling. The foam pattern is directly vaporized during the metal casting process, so the lost foam casting does not require mold removal. At most lost foam casting foundries, the commonly used pattern material is polystyrene.

The Steps of Lost Foam Casting:
1- Use foam molds to produce foam patterns and casting gating systems
2- Bond the patterns and runners to form a mold bundle module
3- Dip paint on the module
4- Dry the paint
5- Put the module into the sand box and fill it with dry sand
6- Vibrate molding in order to fill the cavity with dry sand and then compact the molding sand
7- Pouring molten metal to vaporize the foam and then forming the desired castings
8- After the castings have cooled, clean the castings. The dry sand can be recycled

Advantages of Lost Foam Casting:
1- Lost foam casting is a near-net shape casting method. The dimensional tolerance of the casting can reach CT6~CT9, and the surface roughness is Ra=6.3~50 μm. The shape of lost foam castings can be comparable to resin sand castings.
2- Lost foam casting can produce castings with complex shapes and complex cavities. Compared with the resin sand process, the more sand cores are replaced, the greater the profit margin of lost foam casting. The core competitiveness of lost foam casting is the production of difficult castings with complex inner cavities, such as engine block, engine head and box, etc. These characteristics make the superiority and economic benefits of lost foam casting fully appear, and realize the lightweight and precise casting.
3- Lost foam casting does not require mold removal, which provides greater freedom for casting design and casting process. In terms of process design, the lost foam casting process is first broken into parts and then spliced ​​into a whole, and then the lost foam process is used for integral casting, so that the lost foam casting has the competitive advantage with the traditional sand casting.
4- The use of lost foam casting process can greatly reduce labor intensity, reduce the generation of solid waste, and the used dry sand can be recycled. This feature meets the requirements of energy saving and emission reduction, and has changed the harsh environment of traditional sand casting.

Item Lost Foam Casting Vacuum Casting
Suitable Castings Small and medium-sized castings with complex cavities, such as engine block, engine cover Medium and large castings with few or no cavities, such as cast iron counterweights, cast steel axle housings
Patterns and Plates Foam patterns made by moldings Template with suction box
Sand Box Bottom or five sides exhaust Four sides exhaust or with exhaust pipe
Plastic Film The top cover is sealed by plastic films All sides of both halves of sand box are sealed by plastic films
Coating Materials Water-based paint with thick coating Alcohol-based paint with thin coating
Molding Sand Coarse dry sand Fine dry sand
Vibration Molding 3 D Vibration Vertical or Horizontal Vibration
Pouring Negative Pouring Negative Pouring
Sand Process Relieve negative pressure, turn over the box to drop sand, and the sand is then reused Relieve negative pressure, then the dry sand falls into the screen, and the sand is recycled

OEM custom lost foam casting products


Product detail pictures:

Factory wholesale Steel Lost Foam Casting Foundry – Alloy Steel Lost Foam Casting Product – RMC Foundry detail pictures


Related Product Guide:

To create much more benefit for consumers is our company philosophy; customer growing is our working chase for Factory wholesale Steel Lost Foam Casting Foundry – Alloy Steel Lost Foam Casting Product – RMC Foundry, The product will supply to all over the world, such as: Puerto Rico , Mauritius , Ecuador , Profession, Devoting are always fundamental to our mission. We've got always been in line with serving customers, creating value management objectives and adhering to the sincerity, dedication, persistent management idea.
  • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Aurora from Accra - 2018.06.19 10:42
    In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Cheryl from Myanmar - 2018.06.12 16:22