Lost Wax Casting for Mechanical Accessories

Lost wax casting is a precision manufacturing process used to produce high-quality mechanical accessories with complex geometries and tight tolerances. This method is particularly suitable for small to medium-sized components that require fine details, such as bushings, couplings, and sensor housings. The process begins with a wax pattern, which is coated with multiple layers of ceramic slurry to form a heat-resistant mold. Once the wax is melted out, molten metal is poured into the cavity, creating a precise replica of the original pattern.

The key advantage of lost wax casting is its ability to achieve near-net-shape parts with a nice surface finish, reducing the need for extensive machining. Common materials include carbon steel, alloy steel, and duplex stainless steel, selected based on mechanical strength and environmental resistance. Post-casting processes may include heat treatment, precision machining, and surface finishing (e.g., polishing, passivation) to meet specific performance requirements.

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About Us

Zhejiang Lizhi Metal Products Technology Co., Ltd. was established in 2003 and established a branch in Fujian in 2021: Fujian Zheli Alloy Casting Co., Ltd.

After more than 20 years of hard work, the company has strong technical strength and has established a production, learning and research integration with major domestic universities, forming its own product characteristics and technical advantages. The company mainly produces various precision castings and valve products such as valves, pumps, auto parts, marine parts, hardware and engineering machinery parts. The main materials are: austenitic stainless steel, carbon steel, duplex steel, nickel-based alloy, high silicon alloy, titanium alloy, etc. The annual output of various stainless steel castings is 8,000 tons (production capacity 12,000 tons/year). The company fully implements TUV: ISO9001-2015 and EU CE certification system management, and introduces 6S performance management lean production. The products are mainly sold to the chemical, shipbuilding, automotive, power, pharmaceutical, food and other industries, and the products are exported to Russia, Europe, North America, Japan and South Korea and other countries and regions.