Hydropower Industry

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 ...

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, ...

Broken or chipped teeth on large gears due to overload during operation is a common failure in heavy industries such as cement, steel, and mining. At Phuong Dong Industry, we apply Laser Cladding technology to restore damaged gears, offering a cost-effective and sustainable alternative to complete replacement. Outstanding Advantages of ...

Repairing small bores such as Ø70 is one of the most technically demanding challenges in precision mechanical restoration. With a narrow diameter and limited space, the process requires extremely high accuracy, along with precise control of the heat input and cladding thickness to ensure strong bonding and coating quality. Challenges ...

Turbine shaft restoration is a critical part of maintenance for hydropower generating units. At Ba Thuoc 1 Hydropower Plant (Thanh Hoa Province, Vietnam, with an installed capacity of ~60MW), the turbine shaft journal experienced severe wear after prolonged operation, posing risks to system performance and stability. To address the issue, ...

Laser Cladding is an advanced surface restoration and strengthening technology. It utilizes a high-energy, focused laser beam to melt metallic powder and fuse it with the base material surface. This process creates a dense, wear-resistant coating with excellent bonding and mechanical properties. Laser cladding is especially suitable for components subject ...

Why is rotor repair necessary? The rotor is the central rotating component of a hydro generator, operating under heavy load and in harsh conditions. Over time, it often experiences: Surface wear at bearing or journal areas Cracks, pitting, or scratches due to friction and temperature Dimensional deviations affecting dynamic balance ...