Heavy Duty Polyurethane Caster Wheels

​Heavy Duty Polyurethane Caster Wheels from Yantai Zhengyuan Polyurethane Co., Ltd. are made of excellent quality PU from well known companies in the world. According to buyer's drawings of the profiles and formulation of the materials, we can customize the Heavy Duty Polyurethane Caster Wheels in specific shape, size, color and durometer.

When selecting Heavy Duty Polyurethane Caster Wheels, attention should also be paid to analyzing the appearance of the casters' brackets and selecting high-quality casters
1. Analyze the material selection of the caster bracket to prevent beam theft and column replacement.
The bracket for casters is generally made of injection molded brackets or metal shaped brackets. Injection molded brackets have a relatively small production volume and are mainly used in the furniture and furniture casters industry and medical casters industry. Therefore, we will not go into detail here. We will focus on analyzing the appearance of metal brackets. The thickness of the metal support plate for the casters ranges from 1mm or even smaller to 30mm or even thicker steel plates, mainly determined based on the load requirements of the casters.
Legitimate casters often use regular steel plates, while small factories usually use head and tail plates to reduce costs. Head and tail plates are actually inferior products in the steel plates. The thickness of the head and tail plate steel plates is uneven, and the price of the head and tail plates is also significantly different from that of the regular plate. The performance of casters, such as appearance, load, and quality, also differ greatly.
2. Analyze the dimensions of the caster bracket to prevent cutting corners and materials
Many small casters intentionally lower the steel plate requirements of their products in order to save costs. For example, the casters currently used frequently and in large quantities in the domestic caster market are mainly 4-inch (diameter 100mm), 5-inch (diameter 125mm), 6-inch (diameter 150mm), and 8-inch (diameter 200mm) casters. This caster was originally produced in accordance with the usage habits of the United States, also known as American casters, and usually uses a steel plate thickness of 6mm (but due to Chinese steel plate standards, it is generally negative tolerance). Therefore, the steel plate thickness of regular casters should be 5.75mm, while some small casters usually use 5mm to reduce costs. Even 3.5mm and 4mm steel plates are bound to greatly compromise the performance and safety factor of the casters in use.

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