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Ross flexing tester (With refrigerating machine) Yasuda No.270/No.270-L
  • yasuda_25.PNG
  • yasuda61.png

Ross flexing tester (With refrigerating machine) Yasuda No.270/No.270-L
Model: No.270/No.270-L

Categories: Holding force test, stress crack test, floor material fatigue test, ross flexing tester YASUDA

Standard: ASTM-D1052
CONTACT

No.270 ROSS FLEXING TESTER

  • This tester is used to evaluate the durability of rubber by observing the growth of bending stress induced cracks.
  • The test specimen is usually taken from shoe soles.
  • The test specimen is to have a 2.5 mm long crack and is to be bended to a 90°angle until the crack becomes a maximum of 500 %.
  • Every 100 % the crack grows, the operator is to record the number of bends the test specimen has received.
  • The tester can also be assorted with a low temperature oven (L type).

Specification

Specifications are subject to change without notice.
Model No.270 ROSS FLEXING TESTER
Hangings 12 Hangings (W25 mm) or
4 Hangings (W100 mm) (2 kinds)
Specimen W25 ±1 mm, L153 mm, T6.35 ± 0.03 mm (Standard)
Flexing Angle 90° (Option: 45°, 2 Stage Type)
Flexing Speed 100 ± 5 times/min
Roller Stroke 0 to 50 mm (Adjustable)
Counter 6 Digits Preset Counter
Temperature Range ―
Accessories Notching Tool
Power Source AC 100 V, 1-Phase, 10 A, 50/60 Hz
Dimensions/ Weight (Approx.) 12 Hangings:
W670 × D450 × H450 mm/ 85 kg
4 Hangings:
W670 × D450 × H450 mm/ 85 kg

No.270-L ROSS FLEXING TESTER (WITH REFRIGERATING MACHINE)


  • This model is equipped with a low temp.
  • chamber for conducting flexing tests at low temperatures.
  • The durability is evaluated by the number of bends it takes for the crack to grow every 100 % up to 500 %.

Specification

Specifications are subject to change without notice.
Model No.270-L　ROSS FLEXING TESTER
(WITH REFRIGERATING MACHINE)
Hangings 12 Hangings (W25 mm) or
4 Hangings (W100 mm) (2 kinds)
Specimen W25 ±1 mm, L153 mm, T6.35 ± 0.03 mm (Standard)
Flexing Angle 90° (Option: 45°, 2 Stage Type)
Flexing Speed 100 ± 5 times/min
Roller Stroke 0 to 50 mm (Adjustable)
Counter 6 Digits Preset Counter
Temperature Range -35 to 60 °C (Refrigerator)
Accessories Notching Tool
Power Source AC 200 V, 3-Phase, 30 A, 50/60 Hz
Dimensions/ Weight (Approx.) W1,100 × D1,200 × H1,000 mm, 300 kg
 

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