AMADA MIYACHI offers new TR-T0016A Touch Retract Welding Torch for Electric Vehicle Battery Pack Applications

The TR-T0016A Touch Retract Welding Torch is a great choice for those scaling up from R&D to manufacturing, offering ease of integration and automation.

AMADA MIYACHI announces that it now offers the new TR-T0016A Touch Retract Welding Torch, ideal for rapid design evaluation of electric vehicle battery pack concepts in research and development settings, low to medium volume battery pack manufacturing, and battery pack repair and rework applications. The TR-T0016A Touch Retract Welding Torch is a great choice for those scaling up from R&D to manufacturing, offering ease of integration and automation.


The TR-T0016A Touch Retract Torch is a lightweight, handheld tool that allows easy manipulation of battery cans and tab materials in a bench-top, R&D environment. The system can be used with typical prototype tooling. The system has been extensively tested for welding copper, nickel, and aluminium battery tab materials up to a thickness of 0.5 millimetres (mm) onto 18650 and 2170 battery can material.

Compared to traditional resistance welding technologies, the TR-T0016A Touch Retract Torch can achieve effective welding of copper with relative ease. Its low voltage operation also offers safety advantages for hand assembly applications compared to many tungsten inert gas (TIG) systems.
At a lower cost than a typical laser system, the system is a more affordable option for low volume battery pack prototyping, racing vehicles, and small to medium scale battery pack rework. The flexible TR-T0016A enables battery pack concepts to be quickly manufactured and tested. It can also be incorporated into an automated manufacturing line, making the TR-T0016A appropriate for low to medium volume niche automotive production applications.

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Our retention knobs are manufactured above international standards or to machine builder specifications. Retention knobs are manufactured utilizing AMS-6274/AISI-8620 alloy steel drawn in the United States. Threads are single-pointed on our lathes while manufacturing all other retention knob features to ensure high concentricity. Our process ensures that our threads are balanced (lead in/lead out at 180 degrees.) Each retention knob is carburized (hardened) to 58-62HRC, and case depth is .020-.030. Core hardness 40HRC. Each retention knob is coated utilizing a hot black oxide coating to military specifications. Our retention knobs are 100% covered in black oxide to prevent rust. All retention knob surfaces (not just mating surfaces) have a precision finish of 32 RMA micro or better: ISO grade 6N. Each retention knob is magnetic particle tested and tested at 2.5 times the pulling force of the drawbar. Certifications are maintained for each step in the manufacturing process for traceability.