Behind every smoothly operating caster lies a bracket quietly carrying the load. At EDL, we conduct comprehensive testing to ensure that our brackets deliver reliable performance under all conditions. The strength and quality of the bracket directly impact the caster’s load-bearing capacity, safety, and smooth operation.

Behind every smoothly operating caster lies a bracket quietly carrying the load. At EDL, we conduct comprehensive testing to ensure that our brackets deliver reliable performance under all conditions. The strength and quality of the bracket directly impact the caster’s load-bearing capacity, safety, and smooth operation.

Multi-Dimensional Testing for Maximum Reliability

EDL’s bracket testing covers six key areas:

1. Grease High-Low Temperature Test
   The grease on the bracket is tested from -50°C to 120°C, simulating extreme weather conditions to ensure smooth caster operation in both cold and hot environments.

2. Steel Ball Hardness Test
   Steel balls are measured with a Rockwell hardness tester to guarantee durability and stability under load.

3. Carburized Layer Thickness & Hardness Test
   The Vickers microhardness tester measures the surface carburized layer to ensure wear resistance and long-term durability.

4. Salt Spray Test
   Brackets are tested in humid, salty environments to evaluate corrosion resistance. EDL’s minimum standard is 24 hours, and longer tests are applied for harsh conditions.

5. Galvanized Layer Thickness Test
   The thickness of the galvanized layer is measured to enhance corrosion resistance and prolong the caster’s lifespan.

6. Magnetism Test for Stainless Steel Brackets
   This test checks the purity and quality of stainless steel to ensure excellent corrosion resistance and load-bearing performance.

EDL’s Commitment

Through these seven rigorous tests, EDL guarantees that every caster bracket can withstand the demands of daily use and extreme conditions. With EDL, quality and safety start from the bracket, ensuring smooth, reliable performance every time.