Many brands of suitcases are equipped with universal wheels, which can push and translate horizontally. Compared with the two-wheeled suitcase, it can only be pulled and slid unilaterally, and the universal wheel is relatively more convenient to use.

When trying out, you should know whether the luggage wheels can rotate flexibly, and try to buy pulleys with bearings. Secondly, it also takes into account the wear resistance or abrasion of the luggage wheel. The high-quality suitcase has been tested for wheel wear resistance.

Second, the suitcase vibration impact testing machine

Protective: waterproof, shockproof, scratch-proof, pollution-proof ... high-end suitcases are more and more like transformers. The vibration and impact testing machine for luggage can test the impact resistance test of luggage handle, sewing thread and overall structure, and provide reference data for improving luggage quality.

Third, luggage lifting and placing testing machine

Luggage lifting and placing tester,

Test the life of the trunk handle. For users who often go abroad or travel long distances, it is recommended to buy products with excellent anti-collision effect when purchasing large-size bags. You know, bags are often treated rudely when checked in. If the items in the bag are intact, hard bags are the first choice. For short trips, pollution-proof and waterproof soft luggage is more suitable. In addition to its small size, you can also take it with you on the plane without the trouble of consignment. In addition, this suitcase can also be equipped with an external computer bag, which is also very convenient to use.

Four, suitcase walking bump wear tester

Luggage walking collision and wear tester: used for walking tests of luggage, travel bags and wheeled baby carriages to check the service quality of luggage wheels when walking. By testing mileage and speed, we can check the heat resistance, damage and loss of luggage wheels, and detect the wear resistance of wheel materials and whether the overall structure of the box is damaged or deformed. The test results can be used as a reference for improvement.

V. Pull rod reciprocating fatigue testing machine

Pull rod:

A suitcase with good quality will carry out reciprocating fatigue test on the trunk pull rod. During the test, the specimen will be stretched to test the clearance, looseness, failure and deformation of the connecting rod. The tie rod is as important as the pulley. If the tie rod is disconnected during the trip, that's really enough. At present, the pull rods of big brands mainly use lightweight and durable materials such as aluminum alloy, and some products also have 360 rotating handles.