O2 lambda sensor welding
Oxygen / Lambda Sensors

Weld the Heart of Your Emissions Control

Oxygen (O2) and lambda sensors contain up to 4 wires (signal, pump cell reference, heater) welded to a ceramic zirconia element. WelderPro CD welders deliver the consistent, low-resistance bonds required for accurate air-fuel ratio control β€” a regulatory requirement in every major market.

  • βœ“Up to 4 wires per sensor, all welded in one cycle
  • βœ“Wire types: Pt, Pt-Rh, NiCr, K-type
  • βœ“PPAP and control plan documentation
  • βœ“Customer in Stuttgart: 8,000 sensors/day, 99.8% yield
EV battery temperature sensor welding
EV Battery Thermal Management

Battery Temperature Sensor Welding for Lithium-Ion Packs

Every modern battery pack carries dozens of NTC thermistors for cell-level thermal monitoring. WelderPro TC-300A attaches sensor leads at 1,800–2,400 joints per hour, with argon-shielded welds that survive vibration and thermal cycling for the life of the pack.

  • βœ“Wire: 28–30 AWG stranded sensor leads
  • βœ“Ni-plated Cu and brass terminals
  • βœ“Inline pull test 10–50 N per joint
  • βœ“Process documentation for ISO 26262
Motor stator thermistor welding
E-Motor & Power Electronics

Stator Thermistor and Inverter Temperature Sensors

EV traction motors and power inverters require precise temperature monitoring to protect expensive permanent magnets and SiC/GaN semiconductors. WelderPro benchtop welders attach NTC/PTC thermistor leads to motor windings and busbars with repeatable precision.

  • βœ“Wire: 32–24 AWG stranded silicone
  • βœ“Sub-1-second cycle for inline integration
  • βœ“Compatible with hairpin winding processes
Customer Story

EV Battery Pack: 2x Throughput, 50% Lower Cost

"We were producing 30,000 battery packs/month with three imported CD welders. The lead time for spare parts was 8 weeks and failures were killing our OEE. WelderPro delivered a custom TC-300A in 10 weeks that doubled our throughput, and their local US agent handles same-day support. The 50% capex savings vs. the European brand was an unexpected bonus."

LM
Lars MΓΌller
Plant Director Β· Tier-1 EV Battery Supplier Β· Wolfsburg, Germany
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For Automotive & EV

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IATF 16949 process documentation, PPAP support, and tier-1 supplier references available on request.

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