JWJ-10 Electri Wire Repeated Bending Testing Equipment
Electric Metal Wire Repeated Bending Testing Machine
Application:
The testing machine is mainly used for repeated bending test metal wire, sheet and strip, in order to test the metal material to withstand plastic deformation properties and exhibit defects in the repeated bending test.
Test Principle:
Pass a certain specification sample through the guide sleeve clamped in the two predetermined size jaws, press the button, the samples do left and right 90 ° bending test, after specimen fracture, automatically shut down, and record number of bending.
Technical Parameters
Model |
JWJ-10 |
JWJ-15 |
JWJ-20 |
JWJ-3B |
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Applicable material |
Metal wire |
copper contact wire, trolley line |
Thin Sheet and strip |
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Max bending diameter(mm) |
Φ1—φ10 |
Φ3—φ15 |
Φ10—φ20 |
0.3-3 |
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Sample length(mm) |
200-300mm |
150mm |
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Bending angle |
±90° |
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Bending speed |
60 time/min |
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Motor power |
1.1/2.2kW |
3kW |
5.5kW |
1.1kW |
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External dimension(mm) |
590×470×1130 |
700×470×1150 |
900×600×1200 |
590×470×1130 |
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Weight |
200kg |
230kg |
300kg |
200kg |
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Wire applicable specifications:
Wire nominal diameter |
Jaw support radius r |
Distance h |
Guide sleeve diameter d(g) |
0.3≤d<0.5 |
1.25±0.05 |
15 |
2.0 |
0.5≤d<0.7 |
1.75±0.05 |
15 |
2.0 |
0.7≤d<1.0 |
2.5±0.1 |
15 |
2.0 |
1.0≤d<1.5 |
3.75±0.1 |
20 |
2.0 |
1.5≤d<2.0 |
5.0±0.1 |
20 |
2.0 and 2.5 |
2.0≤d<3.0 |
7.5±0.1 |
25 |
2.5 and 3.5 |
3.0≤d<4.0 |
10±0.1 |
35 |
3.5 and 4.5 |
4.0≤d<6.0 |
15±0.1 |
50 |
4.5 and 7.0 |
6.0≤d<8.0 |
20±0.1 |
75 |
7.0 and 9.0 |
8.0≤d<10.0 |
25±0.1 |
100 |
9.0 and 11.0 |
Sheet and strip applicable codes:
Sample thickness a |
Jaw support radius r |
Distance h |
Guide sleeve size |
a≤0.3 |
1.0±0.1 |
25-50 |
3.5×25 |
0.3<a≤0.5 |
2.5±0.1 |
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0.5<a≤1.0 |
5.0±0.1 |
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1.0<a≤1.5 |
7.5±0.2 |
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1.5<a≤3.0 |
10.0±0.2 |
Working conditions
1. Room-temperature 10-35°C
2. In the stable basis, level to relocate.
3. In no vibration circumstance
4. No corrosive substance around
5. No apparent electromagnetic interference
6. Power supply voltage fluctuation range does not exceed the rated voltage 380V plus or minus 10;
7. Tester surrounding should have some spare space
Electronic Metal Wire Repeated Bending Testing Machine

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