Guill Tool Enhances Extrusion Market with Guill Labs

Extrusion tooling Guill Tool empowers customers with in-house testing and extrusion expertise

2025-07-15 Source: Guill Tool & Engineering 1 min Reading Time

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To better serve the global extrusion market, Guill Tool has expanded its lab capabilities with the creation of Guill Labs. The labs include the company’s state-of-the-art rheology lab and a facility focused entirely on the extrusion process.

Fluidized bath in the test extrusion facility. (Source: Guill) — Fluidized bath in the test extrusion facility.
(Source: Guill)

Guill’s existing rheology lab measures the flow characteristics of plastics and rubber to predict how a customer’s material will flow through the company’s extrusion dies before production. Tooling geometry is virtually optimized, and the project can be viewed in 3D CAD. Machines used include a rotational rheometer, scanning calorimeter, thermal conductivity meter and a new CT scanner.

The rotational rheometer quickly generates visco-elastic data for polymer melts, precisely capturing polymer melt properties. Test temperature ranges between ambient and 300 °C. The lab’s scanning calorimeter characterizes the thermal properties of a polymer sample, such as crystallization temperature, glass transition temperature and head capacity of the sample. Knowing these thermal properties permits the simulation of shear heating and hot and cold spots in the flow area. The thermal conductivity meter is used to determine the thermal conductivity of the polymer sample across a range of temperatures.

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Close-up of the IM-8000 Series, a dimensional measurement system.(Source: Guill)

The rheology lab’s scanning calorimeter.(Source: Guill)

This in-house lab provides faster turnaround on test results, reducing delays during the design process and offering better control over the testing parameters. The result is a high-quality part delivered on time.

The new test extrusion facility features various pieces of equipment including two Killion 1.25" extruders, an RDN 2.0 PVS vacuum tank, one Keyence LS9000 dual axis laser gauge, two Dri Air ARID-X 10 30lb capacity driers, a custom-built tubing puller and an Accurate Thermal Systems FTBLL47 fluidized bath. In addition, the test lab permits single and co-extrusion capabilities with its tried-and-true die designs. Access to exotic extrusion processes such as rotary die extrusion of filament and tubular end-products are also available.

Supporting extrusion trials, the test lab also offers extrusion training, die cleaning services, sample inspection, and end-product testing. Guill’s fluidized bath has a 50 °C-605 °C temperature range and a working volume of 15.7” x 47.”

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