As mechanical and high-end equipment industries raise the bar for precision, performance, and reliability, Langhe Precision Casting emerges as a powerful provider of custom casting solutions, backed by advanced manufacturing expertise and an optimized process system.

1. Process Overview
Langhe employs the classic silica sol investment casting (lost-wax) process. The core steps include:

Wax pattern making: High-precision wax models are created using aluminum molds.

Shell building: Wax patterns are assembled into clusters and repeatedly coated with silica sol slurry and refractory sand to form a ceramic shell.

Dewaxing and shell firing: Steam dewaxing followed by high-temperature sintering enhances shell strength.

Metal pouring: Melting and pouring occur under vacuum or protective atmosphere to ensure dense structures.

Post-processing & Inspection: Includes grinding, heat treatment, machining, and multi-point quality inspection.

2. Deep Application Integration
Langhe’s castings are widely used in safety-critical and corrosion-resistant applications with high mechanical strength demands, such as:

Automotive & Motorcycle: Exhaust manifolds, connecting rods, turbocharger components

Valves & Pumps: Valve cores, bodies, and impellers

Aerospace & Energy: Gas turbine parts, fasteners, flow-directing structures

Stainless Steel Pipe Fittings: Quick connectors, elbows, and flanges

3. Process Optimization and R&D Strength
Langhe continuously invests in process innovation and material enhancement:

CAE simulation tools for mold flow and solidification analysis, improving casting yield

Development of advanced shell materials to boost thermal resistance and thermal shock performance

Collaborations with universities and research institutes to develop new alloys and post-treatment technologies such as low-temperature plasma nitriding and magnetic polishing

4. Sustainability Strategy
Langhe is committed to green manufacturing and sustainable growth:

Environmentally friendly melting systems to reduce CO₂ emissions

Wax and shell material recycling to maximize resource efficiency

Smart manufacturing initiatives, including digital workshops and MES integration

https://langhe-metal.com/