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  • 产品名称: Cold Bending Test Machine
  • NO.: HDX1307
  • Views : 3

 IEC60811-1-4 clause 8.1 and 8.2, common test methods for insulating and sheathing materials of electric and optical cables-part 1-4:Methods for general application-Test at low temperature.

 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. 

 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.

 Made of stainless steel, 2 stations,equip with the extended handle which can be connected to the outside of the low temperature chamber.

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

4.5D≤6.5

4

6.5<D8.5 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

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