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  • BJXN-5 Wire torsion testing machine.

产品名称:BJXN-5 Wire torsion testing machine.

产品型号:BJXN - 5

产品量程:5mm

BJXN-5 Wire torsion testing machine.立即咨询BJXN-5 Wire torsion testing machine.在线留言

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产品简介

BJXN - 5 metal wire torsion testing machine is suitable for the determination of diameter 0.1 10.0 mm (or feature sizes) as the metal wire in the one-way or two-way torsion under plastic deformation ability, and show wire rod surface and internal defects.

执行标准

Metal wire torsion testing machine for standard GB/T 239.1 2012 of the People's Republic of China the first part of the metal material wire one-way torsion test method ", also apply to the international standard ISO 7800:2003 "metal wire one-way torsion test method" and the ISO 9649:1990 "metal wire two-way torsion test method".

功能特点

1. The specimen shall be as straight as possible, straightening if necessary, but not on the surface, or distorting the specimen.

2. Unless otherwise specified, to make straight, in the process of test specimen shall be imposed some form of tensioning force, shall not be greater than the tension force test wire 2% of the nominal tensile strength of corresponding strength, axial strength used farmar strength.

For sample steel wire with 10-14mm diameter, no tensioning force is required.

3. After the test specimen is placed on the test machine, rotate the clip head at the specified speed until it reaches the specified number of torsion or until it is broken, and record the complete winding number of the sample.


技术参数

Model  BJXN - 5

parameter

1. The diameter of the metal wire is 0.1 less than d(d) < 5.0.

2. The distance between two clamps is no more than 300mm.

3. The specific outer diameter of the clamp is 74mm.

4. Clamping range of clamps is 0.1-5mm.

7. Torsion speed of 30, 60 and 90;120;180;300 r/min

8. Speed error < + 10%.

9. Minimum number of winding number 0.1.

10. The coaxial degree of the two clips (mm)<φ0.4

11. Movement guide parallelism (mm) < 0.2.


下一篇:BJXN-10 Torsion testing machine for wire rod.

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