Welker UB4N050A010ADE1C000 Retract Pin Assembly

Welker UB4N050A010ADE1C000 Retract Pin Assembly is an industrial pneumatic shot pin and positioning unit designed for precise fixture alignment in automated fixturing, robotic tooling, and precision manufacturing systems. Built by Welker, this part corresponds to Revision 7 and includes attached part reference #145979. The device uses pneumatic actuation to provide positioning and mechanical locking, and is installable on fixtures or machines. It supports pneumatic locating and retention, with typical installations in welding fixtures, automation cells, automotive manufacturing equipment, assembly jigs, conveyor systems, and other process automation machinery that require repeatable positioning accuracy and secure workpiece location. Applications span robotic automation systems and industrial manufacturing facilities, where dependable pneumatic positioning supports continuous production efficiency and process consistency. Common replacements include DESTACO Pneumatic Shot Pin, SMC Positioning Pin Unit, and Festo Pneumatic Locator Pin, indicating its role in retrofit and repair of automation systems as well as replacement of worn locating components.