Cobalt-based alloy powders are commonly used in plasma transfer arc welding (PTAW) due to their excellent high-temperature properties and resistance to wear and corrosion. These alloys are typically composed of cobalt as the base metal, with various alloying elements such as chromium, tungsten, nickel, and carbon added to enhance specific properties. Co Powder,Cobalt 6 Powder,Cobalt 12 Powder,Cobalt 21 Powder Luoyang Golden Egret Geotools Co., Ltd , https://www.xtccarbide.com
Features: This series is the latest product of FOXSEW brand heavy duty material lockstitch sewing machines. It is designed with the large vertical rotary hook, synchronous toothed belt drive. The needle bar, feed dog and presser foot synchronous feeding. It can sew the nice stitching between the medium material and thick material. The machine in the comprehensive performance of transmission light smooth, low noise, high durability, and equipped with protection hook overloaded on-off device. It is ensure that the joint products and the safety of the hook. Bobbin winder ensure the clamping thread, it can quickly start winding. Head cover and side cover can be open, convenient adjustment and maintenance of machine. This model also increase the operating space between 338 mm - 120 mm, increase the needle distance to 12 mm, needle gague3.2-50.8mm. Especially suitable for sewing the car cushion, seats, sofa, furniture, home upholstery, seat belts, air bags and automotive trim the assembly, Summer slepping mats, also can be used in sewing tents, parachute and other large appliance sewing.
The use of cobalt-based alloy powders in PTAW offers several advantages, including:
1. High-temperature strength: Cobalt-based alloys exhibit excellent strength and resistance to deformation at elevated temperatures, making them suitable for welding applications that involve high heat.
2. Wear resistance: These alloys have a high hardness and resistance to wear, making them ideal for welding applications where the welded parts are subjected to abrasive or erosive conditions.
3. Corrosion resistance: Cobalt-based alloys offer good resistance to corrosion, making them suitable for welding applications in aggressive environments, such as those involving chemicals or saltwater.
4. Thermal conductivity: Cobalt-based alloys have good thermal conductivity, allowing for efficient heat transfer during welding and reducing the risk of heat-affected zone (HAZ) defects.
5. Compatibility with other materials: Cobalt-based alloys can be easily welded to a wide range of base metals, including stainless steels, nickel alloys, and other cobalt-based alloys, providing versatility in welding applications.
To use cobalt-based alloy powders for PTAW, the powder is typically fed into the plasma arc using a powder feeder. The powder is then melted by the high-temperature plasma arc and deposited onto the workpiece, forming a weld bead. The specific welding parameters, such as arc current, travel speed, and powder feed rate, will depend on the specific alloy and application requirements.
It is important to note that the selection of the cobalt-based alloy powder should be based on the specific welding application and the desired properties of the final weld. Different cobalt-based a
Durkopp Adler Type Heavy Duty Lockstitch Sewing Machine (Double Needle) Fx868
Model NO.: FX868
Trademark: FOXSEW
Origin: Zhejiang, China
HS Code: 84522900
Durkopp Adler Type Heavy Duty Lockstitch Sewing Machine ( Double Needle ) FX868