1. ** Material and structure * *:

Door wheel fittings are usually made of durable metal materials, such as steel or aluminum alloy, to ensure sufficient strength and durability. Its structure includes wheels, brackets and mounting bolts. Wheels are usually made of high-quality rubber or polyurethane materials to provide good wear resistance and mute effect.

2. ** Type and size * *:

Door wheel fittings can be selected in different types and sizes according to the type and weight of the door. Common door wheel types include single wheel and double wheel, of which double wheel is suitable for larger or heavier doors. In addition, the diameter and width of the door wheel will be different to adapt to doors of different sizes and weights.

3. ** Installation and adjustment * *:

Door wheel fittings usually have an adjustable design so as to be installed on different types of doors and make appropriate adjustments. When installing, it is usually necessary to fix the door wheel bracket on the door frame and ensure that the wheel is parallel to the ground to ensure smooth sliding. By adjusting the installation position or wheel height, the best operation effect can be achieved.

4. ** Functions and advantages * *:

Door wheel accessories can significantly improve the operating experience of the door. Its main functions and advantages include:

-Reduce friction: The door wheel fittings reduce the friction between the door and the ground through the sliding of the wheels, making it easier to open and close the door.

-Improve stability: Good door wheel fittings can provide stable support to ensure that the door remains horizontal and stable during movement.

-Enhanced durability: Door wheel fittings made of high-quality materials have a long service life and can stand the test of long-term use and harsh environment.

5. ** Scope of application * *:

Door wheel accessories are widely used in various categories, including family doors, commercial doors, industrial doors, farm doors and so on. Whether it is a wooden door, a metal door or a glass door, the operation efficiency and stability can be improved by selecting appropriate door wheel fittings.

To sum up, as an important component of the door, the door wheel fittings play an important role in improving the operation efficiency, stability and durability of the door. The smooth operation and long-term reliability of the door can be ensured by selecting the suitable type and size of door wheel fittings and correctly installing and adjusting them.