High-performance equipment engineered for durability and precision.
Shanghai Duomu has been a global powerhouse in the manufacturing and export of PTA (Plasma Transferred Arc) and Laser Cladding machines for over a decade. Our foundation is built upon rigorous technical research and a commitment to solving the most complex surface wear challenges in heavy industry.
As a leading Custom Paw Welding Manufacturer & Factory, we provide more than just equipment; we provide metallurgical integrity. Our independent R&D team continuously pushes the boundaries of plasma powder surfacing, ensuring that every machine we produce offers stable performance, high efficiency, and the capability for long-term industrial operation.
Years Experience
Global Projects
R&D Experts
Bridging the gap between traditional hardfacing and AI-driven precision.
Plasma Transferred Arc (PTA) offers high deposition rates and superior metallurgical bonding. Our DML-V03CD series reduces dilution rates, ensuring the alloy's properties remain uncompromised by the base metal.
For applications requiring minimal heat input and extreme precision, our laser systems provide a refined microstructure and minimal distortion, perfect for hydraulic rods and aerospace components.
The future of "Paw Welding" lies in automation. We integrate 6-axis robots with real-time monitoring to ensure consistent quality in complex geometries like coal mine picks and valve seats.
The global demand for surface engineering is skyrocketing, driven by the need for sustainable manufacturing and equipment life extension. In the current industrial landscape, "Paw Welding"—specifically the reinforcement of mechanical teeth, claws, and picks used in mining and construction—is a multi-billion dollar sector.
Industry Trends: 1. Remanufacturing vs. Replacement: Companies are shifting toward repairing expensive components using PTA cladding to reduce CO2 footprints. 2. Smart Materials: The use of Nickel-based and Cobalt-based (Stellite) powders is becoming the standard for extreme environment protection. 3. Localized Application: From the oil fields of Texas to the coal mines of Australia, localized repair stations are utilizing our mobile cladding units to minimize downtime.
Reinforcing plows and harvesters against abrasive soil wear.
High-precision repair for turbine blades and engine parts.
Corrosion-resistant cladding for drill bits and mud pump valves.
Thermal fatigue resistance for rolls and molds in extreme heat.
In Plasma Transferred Arc (PTA) hardfacing, achieving a high-quality overlay is not only about selecting the right alloy powder. The dilution rate—the mixing of the base metal with the cladding alloy—is critical. Our machines are designed to maintain a dilution rate below 5%, preserving the hardness of the top layer.
In industries like mining, screw conveyors and "paws" are often auxiliary equipment but cause the most frequent unplanned production delays. By applying our custom PTA solutions, maintenance intervals can be extended by 300% to 500%.
The next generation of our equipment will feature integrated IoT sensors to predict wear patterns and automatically adjust welding parameters, bringing "Smart Manufacturing" to the cladding workshop.
Our engineers are ready to design a custom cladding solution for your unique industrial needs.
