Investment casting (water glass process)
Water glass cast components are mainly used where heavier/stronger and even more complex shapes are required. This technique is widely applied in the production of trailers, agricultural machinery and in the offshore industry. (Investment casting (water glas process)
Benefits
- Reduction of the cost, as expensive processing and welding operations are eliminated
- Cheap moulding process
- Complex design without draft angles
- Flexible production numbers
- Higher accuracy compared with sand casting
Possible alloys
- Carbon steel
- Heat-resistant steel
- Stainless steel
- Non-ferrous steel alloy
Technical specifications
- The commonly used casting tolerance table for linear dimensions is CT8 according to ISO 8062 (wall thicknesses CT9)
- Weight: Approx. 0.2 – 150 kg
- Casting surface roughness: ≥ Ra 6.3 μm
- Maximum dimensions: 1,000 mm
- Casting wall thickness: ≥ 4 mm
- The geometric tolerances that are required for the function should be specified in the drawing
Finishing options
- Electrolytic zinc plating
- Hot-dip galvanising
- Blasting
Investment casting using the water glass process is a precise manufacturing technique known for producing robust components with intricate shapes and designs. This process involves creating a ceramic shell around a wax pattern, which is then melted away to form a cavity for the molten metal. The water glass method offers exceptional strength and durability, making it ideal for applications that demand heavy-duty performance.
Water glass cast components are primarily utilized in industries where strength and complexity are essential, such as in the production of trailers, agricultural machinery, and offshore equipment. The ability to create detailed and intricate designs allows for innovative solutions in these sectors, ensuring that the components can withstand harsh operating conditions. Furthermore, this casting method enables the production of parts with excellent surface finishes and dimensional accuracy, reducing the need for extensive machining.
By choosing investment casting through the water glass process, manufacturers benefit from enhanced design flexibility, reduced material waste, and improved overall efficiency. This makes it an ideal choice for companies looking to optimize their production processes while maintaining high standards of quality and performance. At ELCEE, we are committed to delivering superior investment casting solutions tailored to meet the specific needs of our clients in various industries
