LPHY caster wheels manufacturer specialized in customized office chair caster wheels for more than 25 years


Briefly describe the method of identifying the quality of medical casters and how to ensure the quality of the industry


Medical casters represent a traditional shift from metal to plastic, and the main driver of this shift is system economics. Plastic composites for wheels include a variety of resin and filler systems, ranging from talc fillers to glass fibers to carbon fibers to long glass and long carbon fibers, providing increasing strength and practical impact resistance. TPEs, especially thermoplastic vulcanizates, can provide the good compression set properties required for wheels.

These materials are made from carbon black or other fillers and resins to provide static-dissipative protection that increases the surface resistance of filled polymers.

How to distinguish the quality of medical casters:

1. From the appearance of the medical caster bracket, the surface of the medical caster steel bracket is beautiful, without burrs, and the thickness must be uniform, so as to ensure the bearing quality;

2. The bracket of the medical caster is galvanized: in order to prevent rust, the bracket is generally galvanized. Check whether the galvanizing of medical casters is uniform and shiny;

3. Welding of the medical caster bracket: the welding of the steel plate should be smooth, and there should be no leakage welding, leakage, etc.;

4. Commonly used medical caster size;

5. Check the appearance of the medical caster: the surface is smooth, no bumps, uniform color, no obvious color difference;

6. Check the overall effect of the universal wheel: when the top plate rotates, each steel ball should be able to contact the rotating surface of the steel plate, the force is uniform, the rotation is flexible, and there is no obvious pause;

7. Check the bearing quality of the medical caster: there should be no obvious jumping phenomenon when the medical caster rotates.

Any item may have collision and vibration due to transportation, use, storage, etc., and the product will be used for a certain period of time. The device is often vulnerable to impact due to its large size and weight, and the medical caster at the bottom determines whether the device is placed smoothly. It should have good impact resistance.

Medical casters should always run smoothly on the ground, but this is almost a purely theoretical state. On uneven surfaces, or when traversing thresholds, tracks and pits, the medical casters will briefly leave the ground.

Therefore, when they are suddenly overloaded or three of the four medical casters touch the ground, they must carry the load of the entire device.

The quality of medical caster products must be guaranteed. First, there must be a strict supervision system.

The government should play the role of market supervision. The frequency of sampling and testing should be more to ensure that different batches of medical caster samples can be sampled and found to be unqualified. We must resolutely investigate and punish the product, find the person in charge behind it, and severely punish it.

Secondly, it is necessary to rely on the market to play a role and establish a corporate credit scoring system similar to Taobao. This requires the government to come forward to establish a good corporate reputation, rely on the market's own survival of the fittest function, and eliminate those companies that do not have market reputation. Play the role of market supervision.

It is better to rely on the consciousness of the enterprise. The quality of the product determines the market share of an enterprise. Entrepreneurs must have a sense of social responsibility and mission to push Chinese-made brands to a higher level.

It can be seen that the quality of the medical caster industry still depends on different forces. Obviously, the enterprise itself cannot solve the problem, but also the government and the market. After all, the role of the government and the market is quality regulation.


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