Middle Trough by Plasma Hardfacing

The middle trough is commonly used in the coal mining industry, particularly in underground scraper conveyors and transfer machines. It is a core component of scraper conveyors, typically consisting of an 8mm thick rolled trough and a 6mm thick middle plate. During operation, the upper trough transports coal while the lower trough facilitates the return motion of the scraper chain. Due to significant errors in the interfacing surfaces, there is increased resistance in the operation of the scrapers, leading to rapid wear. Furthermore, being constantly exposed to coal corrosion and wear, the middle trough is highly susceptible to damage. Its service life can be extended by employing a hardfacing process with wear-resistant alloys at critical areas along the chain track.

Automated Plasma Hardfacing Machine for Middle Troughs:

We utilize plasma hardfacing technology tailored to the specific requirements of the middle trough (such as coal storage capacity, coal hardness, type of coal, etc.), to customize a suitable repair scheme, ensuring it meets or exceeds the demands of coal flow. The plasma welding equipment specially customized by Deewi Automation is ideal for hardfacing and repairing the surfaces of the upper plate, lower plate, and various planar structures of the middle trough. The middle trough plasma welding equipment employs a high-quality linear guide rail, precision turbine reducer, and stepper motor in its drive system, which ensures minimal transmission gap, robust rigidity, and stable and reliable operation. Equipped with arc voltage tracking, it can intelligently detect changes in the height of the welding surface and automatically adjust the position of the welding torch, resulting in high-quality welds with smooth surfaces and good consistency.

The plasma hardfacing machine for middle troughs developed by Deewi Automation is not only suitable for welding middle troughs but also applicable for the welding of many other planar structures. The machine offers stable quality, simple operation, reliable performance, and high cost-effectiveness. If you are interested in planar plasma hardfacing machines, please contact us.