JIS C3005 Section 4.27.1 Bending test Rotary Testing Machine Three Stations

Standard requirement:

Number of trials: adjustable

Bending speed: 50 laps/min

Bending radius: 150mm

L spacing: 300mm

Sample length: 1500mm

Technical Parameters:

1. Power supply: AC220V 50HZ 300W

2. Bending radius: 50-200mm adjustable

3. Bending speed: 3-60 laps/min optional.

4. Counting times: 99999 times, can be set, accuracy ± 1 time

5. Servo motor drive

6. Touch screen settings and operations

7. Test mode: continuity test, mechanical test

8. Multi-core test: single off alarm stop, full off alarm stop, count to stop, etc.

Alarm mode: qualified prompt alarm, unqualified alarm and retain the number of tests.

Test method

(1) Bending test

Bending test was carried out along the bending of JIS C3005(Test methods for rubber or plastic insulated wires and cables) Section 4.27.1 of the method as follows.

Mount a sample about 1.5m taked from finished product to the test apparatus of FIG. 1,a fixed distance L=300mm,and in the dimensions of the bending radius r+150mm.At a rate of per minute about 50 times the rotor is rotated a predetermined number of times.At that time not rise to s short circuit between the lines,no crack about surface of the insulation and the exterior,and other abnormalities that there is no.

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