1. Overview of WAL series wire and cable horizontal tensile testing machine

1. WAL series wire and cable horizontal tensile testing machine is suitable for testing and researching the mechanical properties and mechanical properties of wires and cables, overhead stranded wires, steel core aluminum stranded wires, composite stranded wires, and conductors. Scope of application: OPGW optical cable, OPPC optical cable, ADSS optical cable, OPLC optical cable, aluminum stranded wire, duralumin stranded wire, aluminum alloy stranded wire, steel core aluminum stranded wire, anticorrosive steel core aluminum stranded wire, steel core aluminum alloy stranded wire, Aluminum alloy core aluminum stranded wire, aluminum clad steel core aluminum stranded wire, aluminum clad steel core aluminum alloy stranded wire, steel stranded wire, aluminum clad steel stranded wire, high-strength aluminum alloy stranded wire, galvanized steel stranded wire, ordinary strength steel Stranded wire, high-strength steel strand, extra-high-strength steel strand, concentric layer stranded wire, multiple stranded wire (1x7; 1x19; 1x37; 7x7; {3+9}x7), etc. Specifications are: 500kN, 1000kN, 1500kN, 2000kN optional.

2. Test and provide test data according to international standards such as GB, ISO, JIS, ASTM, DIN, BS, EN, NF.

3. Test items: rated tensile breaking force RTS; maximum allowable tensile force MAT; 20% RTS, 40% RTS, 60% RTS, 2% to 100% RTS; OPGW tensile performance; stress-strain performance, etc.

4. Applicable standards for WAL series wire and cable horizontal tensile testing machine

1) GB/T3048- "Wire and cable performance test method";

2) GB/T3428- "Galvanized Steel Wire for Overhead Stranded Wire" IEC60888;

3) GB/T17048- "Duralumin Wire for Overhead Stranded Wire" IEC60889;

4) GB/T17937- "Aluminum Clad Steel Wire for Electrical Engineering" IEC61232;

5) GB/T7424.2-2008 "General Specification for Optical Cables Part 2: Basic Test Methods for Optical Cables" IEC60794;

6) GB/T7424.4- "Part 4-1: Sectional Specification Optical Fiber Composite Overhead Ground Wire";

7) GB/T1179-2008 "Concentrically Stranded Round Wire Overhead Conductor";

8) IEC61395-"Overhead ground wire-stranded conductor creep test method";

9) DL/T832-2003 "Optical fiber composite overhead ground wire";

10) TBT3111- "Copper and Copper Alloy Stranded Wire for Electrified Railways";

11) ASTMB "Concentric layer pattern hard, semi-hard, soft copper pattern";

12) NF C34-110: 1980 "Bare conductor copper stranded wire and single wire and bronze stranded wire and single wire for overhead lines";

13) JIS C3105-1994 "hard copper stranded wire";

14) JB/T8134-"Aluminum-magnesium-silicon alloy round wire for overhead stranded wire";

2. Features of WAL series wire and cable horizontal tensile testing machine

1. This wire and cable horizontal tensile testing machine adopts a horizontal frame structure, a load frame with high rigidity and high stability.

2. Pin-through space adjustment structure, high-strength, high-precision positioning pins, fast positioning.

3. Servo measurement and control system, automatic, manual, fixed load operation; load holding, stress-strain control, cycle control and self-programming control and other control methods.

4. High-precision dynamometer with wide linearity and good stability, ensuring the accuracy of load measurement.

5. Uniquely designed placement, positioning and adjustment mechanism.

6. Double-control two-way hydraulic cylinder, quick test and quick return.

7. Multiple protection functions: software and hardware two-level protection; test force overload protection; overcurrent and overpressure protection; hydraulic cylinder limit protection; hydraulic system overload and overflow protection; safety protection/protection net when sample breaks; operation prompt Guide protection; automatic protection at the end of the test.

8. Measurement and control system:

1) Fully digital closed-loop, multi-channel, multi-functional, easy-to-operate measurement and control software; realizes closed-loop control of test force, sample deformation, piston displacement and test process, and constant velocity stress, constant velocity strain, constant velocity test force, and constant velocity Displacement, test force retention, displacement retention and other control functions; a variety of test methods and standards (ASTM, ISO, DIN, EN, BS, etc.) are available in the database; test data can be saved, inquired, and recalled at any time.

2) Automatic control of test process, real-time control of test force, peak value, deformation, displacement, test curve, data acquisition, processing, analysis, display, storage, full keyboard input operation and control mode intelligent setting system; control mode can be set arbitrarily, No impact, smooth switching, smooth loading and unloading.

3) Process can be reproduced, data re-analyzed, curve enlarged, compared, traversed, and coordinate full scale can be adjusted automatically.

4) Control software, modular and open programming, to meet individual requirements. With prompt and wizard functions.

5) The database of this wire and cable horizontal tensile testing machine adopts ACCESS format, which can be used for network database communication and management. The circuit board adopts photoelectric isolation design, which has the characteristics of strong anti-interference ability.

6) Flexible Excel, Word reports, default format and self-editing format; multiple sorts, multiple types of output.

7) The test curve can choose the coordinate axis of the pressure testing machine at will, and it can be zoomed in and out freely; multiple curves can be displayed at the same time, and the required coordinates can be set, such as load-time, load-displacement, stress-strain, etc. adjust.

8) Automatic return after the test, intelligent, efficient and fast.

3. Technical parameters of WAL series wire and cable horizontal tensile testing machine

1. Maximum test force: 500kN; 1000kN; 1500kN; 2000kN;

2. Test force measurement range: 2%～100%FS

3. Relative error of test force indication: ≤±1% of indicated value

4. Test power resolution: 1/500000 is not divided into internal and external files, and the resolution remains the same throughout;

5. Constant velocity stress control range: 2～60 N/mm2·S-1

6. Stress rate error: ≤±5%

7. Constant velocity strain control range: 0.00025/s～0.0025/s

8. Loading rate: 600N/s～60kN/s; computer automatically controls display

9. Displacement resolution: 0.01mm

10. Piston stroke: 0-200mm can be customized

11. Piston displacement speed: ≥50mm/min

12. Adjustable test distance: 0～10000mm, sample diameter 400 times

13. Frame span: ≥600mm can be customized

14. Rack height: ≥700mm can be customized

15. Frame structure: horizontal, high rigidity, high stability

16. Power supply voltage: 380V±10% 50Hz (reliable grounding is required)

17. Equipped with safety nets.

Four, WAL series wire and cable horizontal tensile test configuration

1. Load mainframe frame (horizontal, high rigidity, high stability): 1

2. Oil source system: 1 set

3. Measurement and control system (all digital, closed-loop control, multi-channel, multi-function): 1 set

4. Load sensor: 1

5. Pull wire encoder: 1

6. Dedicated tensile test attachment (optical fiber and cable stranded wire): 1 set

7. Safety net: 1 set

8. Expansion bolts: 1 group

9. Computer and laser printer: 1 each

10. Random tools: 1 set

11. Technical data (instruction manual, certificate, packing list): 1 copy

12. Testing machine software (Chinese): 1 set