Resistance To Pinch Tester

JN-QT-1128 Resistance To Pinch Tester

SAEJ 1128

25 mm of insulation shall be removed from one end of a 900 mm sample of finished cable. The test sample shall then be placed taut without stretching across a 3 mm diameter steel rod as shown in Figure 9. The counter balance shall be adjusted so that no force will be exerted on the test sample until a mass is applied to the end of the lever with a mechanical advantage of 10. The test sample shall then be subjected to an increasing force applied through the steel anvil by increasing the applied mass at a rate of 2.3 kg/min. At the moment the insulation is pinched through, the 3 mm diameter rod will contact the conductor and the test shall stop. The applied mass shall then be recorded. After each reading the test sample shall be moved 50 mm and rotated clockwise 90 deg. Four readings shall be obtained for each test sample. The mean of the four readings shall determine the ”Resistance to Pinch” of the test sample. The minimum values for each cable type and size are shown

Main parameters:

1, the number of samples: 3

2, applying force value range: 0~200kg

3, loading speed: 2.3kg/min

4, steel bar diameter: Φ3mm

5, test voltage: DC24V

Resistance To Pinch Tester\Resistance To Pinch Tester\Resistance To Pinch Tester\Resistance To Pinch Tester

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