Performance test of dongrui caster industrial caster
A qualified caster product must be subjected to strict quality and performance tests before leaving the factory. The following is the introduction of dongrui caster co., LTD., which now adopts five types of tests:
1. Resistance performance test
The caster shall be dry and clean when testing this property. Place the caster on a metal plate insulated from the ground, keep the rim of the wheel in contact with the plate, and load the caster with 5% to 10% of its standard load. Use the insulation resistance tester to measure the resistance between the caster and the metal plate.
Resistance test
2. Impact test
The caster shall be vertically inverted and installed on the ground test platform, and the weight of the caster shall be 5kg at noon from the height of 200mm, allowing a 3mm deviation position to freely drop the edge of the impact caster. If there are two wheels, both wheels shall impact at the same time.
Impact test
3. Static load test
Castor static load test process is to casters in horizontal smooth steel with screws testing platform, applying force of 800 n along the gravity direction of castor keep 24 h, 24 h after excluding will force to check the status of the castor, after the experiment measured the deformation of castor does not exceed 3% of the wheel diameter, and the experiment after the completion of the caster roll, circuition or brake function has no damage is qualified.
Caster static load test
4. Reciprocating wear test
Castor reciprocating wear test to simulate the casters in daily use the actual rolling, the two points with and without obstacles obstacles test test, the trundle put to the test platform is installed correctly, each test caster wheel load of 300 n, the test frequency is 6-8 times/min, a test cycle includes forward 1 m and 1 m back to reverse a back and forth movement. During the test, no casters or other parts are allowed to detach. After the test is bunched, each caster should be able to drive its normal functions. After the test is completed, the rolling, rotating or braking functions of casters should not be damaged.
Reciprocating wear test
5. Test the limit times of caster support