Application 159

Plastic Injection Molding Force Feedback

Application Summary

During plastic injection molding and die casting, the mold is clamped together to resist the rapid thermal expansion and contraction caused by the molten material filling the mold cavity. Flawed parts can be created if the mold is not kept properly clamped to resist thermal loading throughout the molding and casting process. To mitigate these thermal effects, Pancake Load Cells are placed at the clamp contact points, enabling machinery monitoring processes to adjust clamping forces.

 

Products in Use

FUTEK’s Universal Pancake Load Cells (LCF Series) coupled with the IAA Series Analog Amplifier for feedback into a PLC. 

Load Cell - Plastic Injection Molding Force Feedback
How it Works
  1. LCF Pancake Load Cells are fitted in-line of hydraulic pressure or screw-type clamps measuring the compressive force applied to the mold.
  2. As the mold expands and contracts due to the molten material, the load cell provides feedback to the PLC with the new compressive force.
  3. The feedback is used to adjust the clamps in real-time to maintain mold compression.
  4. When paired with the IAA Series Analog Amplifier, the load cell can provide a variety of amplified outputs such as 0-10 V or 4-20 mA signals for the PLC.
Load Cell - LCF SERIES - Universal Pancake Load Cells
LCF SERIES
Universal Pancake Load Cells
Load Cell - IAA SERIES - Analog Amplifiers
IAA SERIES
Analog Amplifiers
Load Cell - USB220 - High Resolution USB Output Module
USB220
High Resolution USB Output Module
Load Cell - IHH500 - Intelligent Digital Hand Held Display
IHH500
Intelligent Digital Hand Held Display
Load Cell - IPM650 - Panel Mount Display
IPM650
Panel Mount Display
 

 


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