After two months of trial operation, the flexibility of the production line of the Dongfeng Dana Axle Shiyan Plant's Min-2 workshop has been improved. At present, three types of axles of 5 tons, 8 tons and 9 tons can be produced at the same time. Three production platforms Can produce more than 200 varieties of axles.
Dongfeng Dana Axle Co., Ltd. Shiyan Factory Deputy Director of the second workshop, the workshop originally had two axle production lines, one is a 5-ton line of medium-sized car axle line, the other is 8 tons, 9 tons of heavy truck axle line . In the past two years, with the adjustment of the product structure of commercial vehicles, the production capacity of the 8 ton and 9 ton heavy-duty axle production lines has been insufficient, while the production of the 5 ton neutral axle production line has not been saturated. In response to this, the workshop re-arranged two production line equipment through scientific and rational argumentation, adjusted special equipment, reconstructed general-purpose equipment, and merged two production lines into one production line. With the increase in flexibility of the combined production line, the number of workers required has been reduced by 15%, energy consumption has been reduced by 8%, and the production capacity has been increased from 70/class to 90/class. From 75% to 98%, efficiency has increased by nearly 33%.
Iron-based alloy powder is commonly used in plasma transfer arc welding (PTAW) due to its excellent mechanical properties and high resistance to corrosion and heat. This type of powder is typically composed of iron as the base metal, along with various alloying elements such as nickel, chromium, molybdenum, and tungsten.
The specific composition of the iron-based alloy powder may vary depending on the desired properties and application requirements. For example, adding nickel can increase the strength and toughness of the weld, while chromium enhances the corrosion resistance. Molybdenum and tungsten are often added to improve the high-temperature strength and creep resistance of the weld.
Iron-based alloy powders for PTAW are available in various particle sizes, typically ranging from a few micrometers to several hundred micrometers. The powder is usually fed into the plasma arc through a powder feeder, which ensures a controlled and consistent supply of powder during the welding process.
During PTAW, the powder is melted and deposited onto the workpiece, forming a weld bead. The high energy plasma arc provides the heat necessary to melt the powder and the base metal, creating a strong and durable weld joint.
Overall, iron-based alloy powder for plasma transfer arc welding offers excellent weldability, high mechanical properties, and resistance to corrosion and heat, making it suitable for a wide range of applications in industries such as aerospace, automotive, and power generation.
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