Why Do Injection Molds Need Surface Hardening? During the molding process, molds operate continuously under high pressure, friction, and thermal cycling. Critical areas such as cavity surfaces, edges, ribs, and pins are directly exposed to molten plastic and clamping forces, causing wear, deformation, and loss of dimensional accuracy over time.Therefore, ...

In industrial pump systems—especially in hydroelectric, thermal power, and oil & gas plants—the impeller plays a vital role in maintaining stable operation and high performance. During long-term use, impellers are exposed to abrasive particles, chemical corrosion, and cavitation, leading to surface wear, pitting, or cracking. These damages reduce pump efficiency, ...

During operation, grinding machine shafts often experience wear, cracks, or deformation caused by friction and heavy loads. Laser Cladding is a modern restoration solution that rebuilds the original geometry, strengthens the surface, and extends equipment lifespan. Advantages of Laser Cladding Technology High Precision: The coating layer is applied accurately and ...

At PHUONG DONG, we are pioneers in applying advanced Laser Cladding technology to restore shafts and other critical machine components using specialized copper alloy powder. This provides an optimal solution for industries such as precision engineering, oil & gas, chemical processing, marine, and many other industrial sectors. Challenges of Copper ...

Laser Cladding Technology – A Modern Repair Solution Laser Cladding is an advanced process that uses a high-power laser beam to melt a thin layer of alloy powder together with the base surface, creating a strong metallurgical bond. At PHUONG DONG, we apply a state-of-the-art 5-axis CNC Laser Cladding system ...

1. Global 3D Metal Printing Technology  3D metal printing is one of the most advanced manufacturing technologies today, widely applied across industries such as aerospace, automotive, oil & gas, energy, and healthcare.Developed countries like the U.S., Germany, Japan, and South Korea are leading the way in integrating Laser Cladding technology ...

Why is it necessary to repair high-pressure fan impeller shafts? The high-pressure fan shaft is a critical component in industrial fan systems, often installed in positions such as air supply fans, dust extraction fans, drying fans, and gas recirculation fans. These shafts are widely used in various mechanical engineering industries, ...

The rotor sliding surface is one of the most critical areas in the structure of a generator. This surface is subject to significant friction with the bearing and requires high precision in both dimensional tolerance and surface smoothness. Over time, it is prone to wear and scratches, leading to loss ...

The rotor is a critical component of the Roots blower – a device commonly used in air supply systems for wastewater treatment plants, aquaculture facilities, food processing, cement production, textile, and dyeing industries. After prolonged operation, the shaft journals of the rotor often experience wear, scratches, or dimensional loss, directly ...

The Wear Problem of Turbine Shaft Insert Ring in Hydropower Plants The turbine shaft insert ring is a critical component in hydropower turbine shafts. After long-term operation, it is often subjected to wear, scratches, or corrosion due to continuous friction and harsh working environments. This leads to leakage, reduced efficiency, ...