Custom Alumina Copper Eccentric Flat Head Spot Welding Needle

Custom Alumina Copper Eccentric Flat Head Spot Welding Needle Designed for precision battery tab and nickel strip spot welding, this custom spot welding needle is manufactured according to the customer’s specified drawing and dimensions. Made from alumina copper alloy, it offers excellent electrical conductivity, improved wear resistance, and good thermal stability compared with standard pure copper electrodes. It is suitable for high-frequency spot welding applications where stable contact and long service life are important. Custom Specifications Material Alumina Copper Alloy Total Length 40 mm Main Body Diameter Ø3 mm Welding Tip Diameter Ø1.5 mm Eccentric Section Length 8 mm Tip Type Eccentric Flat End Design Custom-made according to customer drawing Key Features Custom Eccentric Design: The offset welding tip allows access to confined welding areas where a concentric electrode cannot provide the required positioning. Flat Welding Tip: The Ø1.5 mm flat end provides a defined contact area for precision spot welding. Alumina Copper Material: Combines high electrical conductivity with improved hardness and wear resistance compared with pure copper. Precision Dimensions: Manufactured according to the customer’s specified drawing and dimensional requirements. Suitable for Automated Welding: The eccentric configuration is suitable for applications requiring precise positioning, including robotic spot welding. Applications 18650 lithium-ion battery pack assembly Battery tab spot welding Nickel strip welding Battery pack manufacturing Robotic spot welding Precision electronic assembly Package Includes 1pc Custom Alumina Copper Eccentric Flat Head Spot Welding Needle Important Note This is a custom-made spot welding needle based on the specified drawing. The dimensions and eccentric configuration are intended for applications requiring precise access to small welding tabs and multiple welding points in a confined area. Please contact us before ordering to confirm the drawing, dimensions, material, and compatibility with your spot welding machine.