VMI Group - Technology meets success
VMI Group - Technology meets success

VMI LAT100 tire tread compound tester

The VMI LAT100 (Laboratory Abrasion & skid Tester or Grosch machine) tire tread compound tester, accurately simulates road conditions for fast and economical laboratory testing of rubber samples. This way you can save time and money by evaluating tire properties before production starts. The multiple test machine can be employed for routine measurements as well as for scientific research, measuring both the abrasion resistance and the friction properties under a wide range of selectable conditions.

The LAT100 meets ISO 23233:2009 standard for the determination of resistance to abrasion of rubber compounds. Abrasion parameters like speed, load and slip angle can be set independently to offer maximum flexibility. Traction, dry or wet, is measured directly on a locked wheel, or through measuring side force while varying other parameters. The evaluation of wet traction properties with the LAT100 has proven to work very well, also for modern polymer systems where tan delta often fails as a predictor for wet grip. Rolling resistance and heat build-up can be studied over a wide range of loads and speeds. Depending on the main purpose of use, the system can be adapted and extended according to your requirements.

Product highlights

  • Minimized costly road testing
  • Reduced time to market
  • Robotic handling of samples for a complete hands-off eyes-off process (optional)
  • Perform friction test on ice (optional)
VMI LAT100
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VMI LAT100
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Operation

The test piece is a solid wheel made of the compound to be tested, which runs under load on a rotating abrasion disk at a slip angle to the rotating direction. The speed and the surface of the disk (grain and material), the slip angle and the radial load on the test sample can be varied over a wide range. The LAT100 accurately measures:

  • Abrasion
  • (Wet) traction
  • Rolling resistance

All recorded data is stored on an industrial PC and measuring procedures run automatically, except for changing, cleaning and weighing the test sample wheel. Other test parameters i.e. radial load, speed, abrasion distance, slip angle and dust setting can be set through the HMI. The operator can enter test conditions manually, or choose to load a file that contains a series of set points for a batch of rubber samples.

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Scientific paper

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VMI Scientific paper

"Proposal for a General Laboratory Test Procedure to Evaluate Abrasion Resistance and Traction Performance of Tire Tread Compounds"

Karl Grosch, Michael Heinz

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    Scientific paper

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    VMI Scientific paper

    "A Correlation between Truck Tyre Road Wear Performance and a System of Laboratory Abrasion Tests"

    K.A. Grosch, H. Moneypenny, I. Wallace

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      Scientific paper

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      VMI Scientific paper

      "Correlation between Road Wear of Tires and Computer Road Wear Simulation using Laboratory Abrasion Data"

      K.A. Grosch

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        Scientific paper

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        VMI Scientific paper

        "An Universal Method to Predict Wet Traction Behaviour of Tire Tread Compounds in the Laboratory"

        Dr. Michael Heinz

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          Scientific paper

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          VMI Scientific paper

          "A Predictive Test Method for Wet Traction as a Time-Dependent Material Property of Tire Tread Rubber Compounds"

          M. Heinz

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            Scientific paper

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            VMI Scientific paper

            "Dry handling – a laboratory method for prediction and an approach for optimisation"

            M. Heinz

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              Scientific paper

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              VMI Scientific paper

              "A New Horizon for Evaluating Tire Grip Within a Laboratory Environment"

              Marzieh Salehi, Jacques W. M. Noordermeer, Louis A. E. M. Reuvekamp, Tanya Tolpekina, Anke Blume

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                Product flyer

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                VMI Product flyer

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