KP3355-180 - Lincoln KP3355-180 Robotic Straight Torch Neck

Technical Performance for Robotic Torches

The Lincoln Electric KP3355-180 is a 180-degree (straight) gooseneck designed for thru-arm robotic MIG guns. For welding operators and maintenance technicians managing robotic cells, this neck provides the exact geometry needed for specific torch orientations, particularly when welding vertically down into fixtures or accessing deep joints where an angled neck would cause collision interference. The "Thru-Arm" designation indicates it is built to mount onto torch housings that route the cable bundle through the center of the robot's wrist, a standard design in modern hollow-wrist robots (such as Fanuc, ABB, or Motoman models equipped with Lincoln/Binzel packages).

Constructed from high-conductivity materials and robust outer armoring, this gooseneck is built to withstand the thermal cycling and mechanical stresses inherent in high-duty cycle welding. The 180-degree angle is essentially a straight extension from the torch mount, which is ideal for applications requiring the torch to be perpendicular to the mounting flange or for reaching into narrow gaps. The neck is designed to accept Binzel-style consumables, meaning it is compatible with the contact tips, gas diffusers, and nozzles you likely already have in your crib if you run Binzel-style setups.

Installation and Maintenance:
Replacing a robotic gooseneck is a routine but critical maintenance task. The KP3355-180 features a precision mating surface to ensure a solid electrical and mechanical connection to the torch body. When installing, ensure the mating surfaces are clean to prevent resistance heating. Because this is a straight neck, verifying the TCP (Tool Center Point) after installation is usually faster than with complex angles, but it is still recommended to run a TCP check routine to ensure the wire tip falls exactly where the program expects it. This neck does not include the liner; be sure to trim and fit a new liner correctly to prevent wire chatter.

This component is an essential spare for any shop running compatible robotic torches. A crash or collision can easily bend a gooseneck, throwing off the robot's aim. Having a KP3355-180 on the shelf ensures you can get the cell back up and running in minutes rather than waiting days for parts. Its durability ensures excellent current transfer and efficient heat dissipation, contributing to longer consumable life and cleaner welds.