No.275 ウィリアムズ摩耗試験機

JIS K6264-2、ISO 4649

  • This tester is to evaluate the abrasion resistance of vulcanized rubber and thermo-plastic rubber.
  • The operator is to determine the volume loss due to the abrasive action of rubbing two flat and non rotating test specimens to an abrading wheel.
  • This tester is usually used on test specimens that are applied for tires and shoe soles.

No.275 Specification

Specifications are subject to change without notice.
Specimen (20 ± 0.5) × (20 ± 0.5) × T10 mm
Specimen Position Left-Right 63.5 mm from center of wheel
Weight Load 35.5 N（3.62 kgf）
Abrasion Wheel Outer Diameter φ165 mm, Inner Diameter φ70 mm, Material C, Grit #70
Wheel Rotation Speed 37 ± 3 rpm
Air Nozzle Vent φ1.0 mm (Pitch 6 mm): Upper & Lower 3 pcs each, Air Pressure 180 kPa
Pressure Gauge Max. 1 MPa (Scale 0.1 MPa)
Timer Max. 99 min 59 sec
Accessories Specimen Cutter
Power Source AC 100 V, 1-Phase, 10 A, 50/60 Hz
Air Source 0.5 MPa or More
Dimensions/ Weight (Approx.) W700 × D520 × H560 mm/ 55 kg

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