AW-Lake Flow Meters Verify Accurate Fiberglass Resin Amounts

When identifying an off-ratio event, the line is stopped for quick issue resolution. Depending on the specific fault, if action is taken right away, manual intervention can often save a part that would otherwise be scrapped.

(AW-Lake: Oak Creek, WI) — AW-Lake’s TRICOR Coriolis flow meters are being used to verify that accurate amounts of fiberglass resin are dispensed during the fabrication of panels molded for doors and windows of motor homes and RV trailers. 

Because AW-Lake’s TRICOR Coriolis meters have no internal mechanical components that interact with the materials, they will continue to operate maintenance-free for years, ensuring continuous operations and reduced maintenance costs. The flow meters are ideal for similar applications with boats, bathtubs and enclosures, swimming pools, hot tubs, septic and water tanks, surfboards, snow skis, aircraft and automotive carbon fiber, and external door skins.



AW-Lake worked with the OEM and the PLC integrator to solve the off-ratio issue. The solution is the  TRICOR Coriolis flow meter. One Coriolis meter monitors the amount of the four resin colors, and another meter is used to monitor the catalyst. Each meter was networked into a multidrop Modbus network, which was connected to a PLC. The PLC-based monitoring system utilizes the pulse output from the Coriolis flow meters to calculate flow for monitoring the resin-to-catalyst ratios in real time.

For more information, contact Marcia Reiff, director of marketing communications, at 414-574-4300, or email [email protected]. You can also visit AW-Lake’s website.

During the manufacturing process, fixed-ratio pumps dispense a specified resin-to-catalyst ratio to ensure accurate curing of the molded panels. Without a verification method, production lines were forced to stop when pumps were not on ratio, resulting in downtime and lost yields.

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