Wear tester for shoelaces

Main application:

The shoelace wear tester is suitable for the friction test between shoelaces and shoelaces, and is used for testing cotton, linen, chemical fiber, etc. wear resistance of woven shoelaces made from this material.

Applicable standards:

EN ISO 22774, DIN-4843, QB/T-2226, SATRA, TM 93/154, BS 5131, GB/T 3903.36-2008

Test principle:

Laces and shoes Belt sharpening : Take two shoelaces and hook the middle sections to form the right and the left. Use the machine\'s right clamp (moving clamp) to clamp the two ends of the right belt. After clamping, the two ends are naturally separated by 25mm. The right strap hooks the left strap at an angle of 52.2° and the distance between the hook point and the clamp point is 120mm. Then the left clamp (fixed clamp) clamps itone end of the left belt and the other end is placed in the groove of the pulley. The natural distance between the wheel grooves is 35+5mm. During the test, the movable clamp moves back and forth in a straight line at a constant speed to allowing the middle parts of the two shoelaces to rub together. The number of rubs is recorded when the test reaches the specified number of rubs or when the shoelaces break.

Technical parameters:

1. Distance between moving clamp and fixed clamp: 310mm (max)

2. Stroke of the moving clip: 35 mm

3. Speed ​​of the moving clip: 60±6 cycles/min

4. Test clip: 4 sets

5. Test Sample Specification: Angle Angle52.2°, Distance Space120mm

6. Test Code: 250±3g, 4 Pieces

7. Counter: LCD liquid crystal display, 0~999, 999

8. Test power: DC servo Servo 180W

9. Instrument power supply: 1∮, AC110V, 10A/220V, 5A

Sampling Requirements:

1. Take 4 or more (2 groups or more) shoelace samples for testing.

2. The shoelace samples have been left in the laboratory environment for more than 16 hours.

Test steps:

1. Take 4 or more shoelace samples for testing;

2. The shoelace samples have been left in the laboratory environment for more than 16 hours;

3. Hook the middle parts of the two shoelace samples;

4. Clamp the right shoe With example:

Loosen the butterfly knob of the movable holder,The two ends of a shoelace are placed in the two grooves of the lower splint of the movable holder and the butterfly knob is turned to tighten it slightly;

The sample gauge is placed on the test bench and the lower end of the sample gauge is Press against the lower end of the movable clamp and insert the upper end into the right shoelaceter, so that the right shoelace is hooked to the left shoelace at an angle of 52.5°;

Loosen the fixing screw on the clip and insert the lower clip Place it on the sample gauge and align it, then insert the two sides of the right shoelace into the groove of the lower clip, place the upper clip on the shoelace and align it with the sample gauge and lock it with the set screw.

●Tighten both ends of the right shoelace and lock the butterfly button.

5. Clamp the left shoelace sample:

Place one end of the left shoelace in the roll and tie it to the hook of the 250g weight;

●Insert the other end of the left shoelace into the groove of the fastener, pull the shoelace so that the tied weight is at the bottom of the roll, and lock the butterfly knob.

6. Remove the sample meter;

7. Turn on the power switch en set the number of tests;

8. Turn on the test button and start the test;

9. After the number of tests is reached, remove the sample, observe the degree of friction of the sample and judge according to the standard requirements. If the number of tests does not reach, it is broken, and the number of times it breaks should be recorded.

Precautions:

1. When clamping the shoelace sample, the shoelace should not be twisted.

2. Calculation and assessment of results:

Observe the wear of the shoelaces. If there are any discrepancies such as fraying, fraying, severe wear or serious deterioration of appearance, it will be judged unqualified.

Qianshi Electromechanical continues to launch the most advanced products to meet the ever-growing experimental needs of the textile industry. The Qinsun brand under Qianshi has the meest advanced microclimate comfort testing equipment, such as thermal resistance and humidity resistance tester, MMT and other advanced testing equipment. , performance testing equipment for thermal protective clothing, etc. In addition, Qinsun has also developed and produced many basic textile testing instruments, including washing color fastness tester, fabric abrasion tester, pilling tester, rubbing color fastness tester, iron fastness testers and perspiration color fastness testers, etc., these high-quality products are widely used in the field of textile testing. To meet the experimental needs of users, we also introduce new ones to provide you with the most innovative testing instruments. Qinsun products include fiber testers, yarn testers, fabric testers, carpet testers, geotextile testers and other industry-related testing equipment.

Prev: DIN rubber abrasion resistance tester