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Application 141

Resistance Spot Welding

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Application Summary
Resistance Spot Welding is a process in which pieces of metal are joined together by the heat created by the electrical resistance of the material combined with the forces applied by the electrode to hold the pieces together. The forces applied by the electrodes are very critical to the process, as the incorrect amount might cause cracks, holes, and failures in the welds. FUTEK’s LLB300 Miniature Load Button helps operators ensure that the welding machine is applying the correct amount of force.
Products in Use
Miniature Load Button (LLB Series) paired with Instrumentation and Software (IAA Analog Amplifier, IHH500, IPM650, USB520 or USB220, and SENSIT™ Test and Measurement Software). View Product Details
Load Cell - Resistance Spot Welding
How it Works
  1. Resistance Spot Welding is commonly used in the automotive industry for vehicle body parts.
  2. Resistance Welding machines must apply a specific amount of pressing force with the electrodes in order to ensure that the machine will apply a proper weld.
  3. Load Cells can be used to measure the pressing force of a Resistance Spot Welding machine.
  4. In this application, FUTEK’s LLB300 Miniature Load Button is placed between the electrodes to calibrate the force applied. As force is applied by the machine, the LLB300 will sense the load measurement and can display the value on FUTEK’s IHH500 Intelligent Digital Hand Held display, FUTEK’s IPM650 Panel Mount Display, or a PC via FUTEK’s USB Solutions.
  5. Pairing the SENSIT™ Test and Measurement Software with any of FUTEK’s instruments provides the user with the ability to data log and live graph the measurements and store them for calibration history.
  6. NOTE: We recommend engineers use caution upon installation of the load cell between the electrodes, so as not to damage the LLB's housing.
All FUTEK application illustrations are strictly conceptual. Please contact us with questions.
Load Cell - LLB Series  - Miniature Load Buttons
LLB Series
Miniature Load Buttons
Load Cell - USB520  - External USB Kit (mV/V, amplified and encoder input)
USB520
External USB Kit (mV/V, amplified and encoder input)
Load Cell - USB220 - High Resolution USB Output Module
USB220
High Resolution USB Output Module
Load Cell - IHH500 - Intelligent Hand Held Display
IHH500
Intelligent Hand Held Display
Load Cell - IPM650 - Panel Mount Display
IPM650
Panel Mount Display
Load Cell - IAA SERIES - Analog Amplifiers
IAA SERIES
Analog Amplifiers
Load Cell - Software - SENSIT™ Test and Measurement
Software
SENSIT™ Test and Measurement
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