Strain test

• Applied area
• Test piece
• Test equipment
• Test Methods
• Criteria
• Record and management

1. 1 Applied area

   This standard applies to the test deformation method to prove the quality characteristics of the cable tray produced by our company.

2. 2 Test piece

   Select one of 1M, 2.4M, 3.6M, 4.8M or 6M from the sample manufactured according to the design standard and cut it.

3. 3 Test equipment

   The load tester must be managed in accordance with the inspection facility management regulations, and periodic inspection and calibration details must be recorded and maintained.

4. 4 Test Methods

   4-1

   Install it on the measuring table as shown in Figure 1 and apply a load in the vertical direction from the center of the sample. At this time, the pressing speed is 10 mm/min.

   4-2

   As shown in Figure 2, place a steel ruler on the upper side of the side rail and measure the vertical deformation length at the center using a vernier caliper or install a dial gauge on the lower part and set the zero point before applying a deformation load, then pressurize to measure the amount of deformation. At this time, the data of each side rail is measured and the average value is obtained.

   

5. 5 Criteria

   

6. 6 Record and management

   The measurement results are kept in the cable tray deformation test report and stored for 3 years.