Flat Belt Tire Test Machine


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The A&D Flat Belt Tire Test Machine is an indoor tire force and moment testing machine. It allows the tire to be tested against a flat surface under dynamic conditions. The flat surface is emulated by an electrically controlled belt-pulley assembly while the tire load is supported by an air bearing (for passenger cars loads) or a water bearing (for higher loads) that is present under the belt. This belt-pulley assembly rests over a hydraulic shaker system that can emulate tire vertical motion and slip-angle generation in a highly dynamic fashion. The tire stand itself is capable of changing the tire vertical load and camber angle during the test run. Forces and moments experienced by the tire are measured at a high sample rate using A&D’s 6-component Plate Force Sensor (PFS) mounted on the tire stand. The configuration, range and performance can be customized depending upon the intended application.

  • Excellent control on all axes
  • Numerous safety features such as belt health monitoring and crack detection
  • Perfect flat surface emulation with maximum sink of 50μm (for air bearing) at full load
  • Measurement using A&D’s 6-component Plate Force Sensor (PFS) with low cross talk, high accuracy and electrical noise rejection
  • High speed synchronized data acquisition and processing
  • Simulink-based controllers and implementation allowing Hardware-in-the-loop (HIL) experiments with vehicle models
  • Vehicle data playback on the machine
  • Load cell range: ±6.6kN (Fx, Fy), 12kN (Fz), ±4kNm (Mx, My, Mz)
  • Load cell accuracy: ±0.1%
  • Tire vertical motion actuation: ±50mm, up to 30Hz, maximum speed of 300mm/sec
  • Tire vertical motion control accuracy: ±0.1mm
  • Slip Angle actuation: ±20°, maximum speed of 50°/sec
  • Camber angle actuation: ±15°, maximum 5°/sec
  • Camber angle control accuracy: ±0.03°
  • Vertical load: Up to 12kN
  • Tire Pressure: Up to 500kPa
  • Maximum tire speed: ±1750rpm
  • Belt speed: ±200 km/hr
  • Camber angle control accuracy: ±0.03°
  • Belt speed control accuracy: ±0.05m/s (no-load), ±0.14m/s (full-load)

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Flat Belt Tire Testing

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