Cold Bend Test Apparatus Manual Control IEC 60811 Test Equipment
Standard:
IEC60811-1-4 Common test methods for insulating and sheathing materials of electric and optical cables - Part 1-4: Methods for general application-Test at low temperature clause 8.1 and 8.2 and figure 1.
Figure 1 Cold Bend Test Apparatus
Application:
This test is intended in general for cables with an overall diameter up to and including 12.5 mm, or for flat cables, a major axis dimension up to and including 20 mm. IEC Test Equipment
Test sample:
Cables with an overall diameter up to and including 12.5 mm, or for flat cables, a major axis dimension up to and including 20 mm.
Feature:
Made of stainless steel, 2 stations, equip with the extended handle which can be connected to the outside of the low temperature chamber.
Parameters:
Test station: 2
Diameter of samples: Φ2.5mm ~12.5mm
The number of turns: 2 to 10 turns, and the number of turns shall be as specified in the following table:
Overall diameter (d) of the test piece (mm) | Number of turns |
d≤2.5 | 10 |
2.5﹤d≤4.5 | 6 |
4.5﹤d≤6.5 | 4 |
6.5﹤d≤8.5 | 3 |
8.5﹤d | 2 |
Test condition: The diameter of the mandrel shall be between 4 and 5 times the diameter of the test piece.
Standard equip with the mandrel: Ф4, Ф5, Ф6, Ф7, Ф8, Ф10, Ф12, Ф14, Ф16, Ф18, Ф20, Ф24, Ф37.5mm
Rotation speed: 5s / turn, manual control
Diameter of pipe: Ф3.5, Ф6, Ф10, Ф12, Ф16mm, each of two pieces. IEC Test Equipment