1. Usually choose suitable casters, such as supermarkets, schools, hospitals, office buildings, hotels and other places, because the floor is good, smooth and the load is light, (each caster is installed in 10-140kg), suitable for thin steel plates Choose electroplating wheel (2-4mm) form, its frame is light, flexible and beautiful, depending on the arrangement of electroplating wheel frame balls is divided into two rows of beads and single row of beads. A row of beads is often used when moving or moving.
2. In places such as factories and warehouses, where freight is frequent and the load is heavy (respectively installed at 280-420kg), it is suitable for the stamping and welding of thick steel plates (5-6mm) for double-row ball wheel frames.
3. If it is used to transport heavy objects such as textile factories, automobile factories, machinery factories, etc., due to heavy loads in the factory, long-distance walking (each wheel is installed at 350-1200kg), wheel frames, welded thick steel plates ( 8-12) should be selected after cutting. The movable wheel frame adopts flat ball bearings and ball bearings on the floor, making the casters heavy-duty, flexible and impact-resistant. and other functions.
4. Industrial casters mainly refer to a caster product used in factories or mechanical equipment. Single wheels made of advanced imported nylon (PA6), super polyurethane and rubber can be selected. The whole product has high impact resistance and strength. The metal part of the bracket is made of high-quality steel plate with galvanized or chrome-plated anti-corrosion treatment, and the inner ball bearing adopts one-way injection molding. Users can choose 3mm, 4mm, 5mm and 6mm steel plates as casters. Medical casters meet the requirements of the hospital, such as light, soft, soft, elastic, ultra-quiet, wear-resistant, anti-winding, and chemical corrosion resistance. Mainly divided into light casters, metal scaffold casters, STO type plastic scaffold casters, CPT type medical double wheel casters, central control casters and medical double brake wheels.
5. The bearing capacity is calculated based on the design bearing capacity to determine the bearing capacity of a single caster. The load-carrying capacity of casters is the most basic and critical requirement of casters, and the actual situation is also different. Therefore, when actually selecting the load-bearing capacity of casters, there should be a certain safety margin. Taking the most commonly used four-wheel installation as an example, you can usually choose according to the following two methods: Choose to bear all the weight of three casters. One of the casters is suspended. This method is suitable for the loading of goods or the movement of equipment, the large impact of casters and the harsh ground conditions, especially when the total weight is large.
6. Choose casters with 120% of the total weight. This method is suitable for situations where the ground is in good condition, and the impact of the casters is small when the goods are transported or moved in the equipment. It should be pointed out that the casters not only have to bear a large load-bearing capacity, but also have to choose a specially designed impact-resistant structure, which will be subject to a great impact. The caster is composed of a wheel body, and the pivot seat of the caster body is provided with a roller set.
Caster sets consist of wheels, axles, seals and protective covers. The main front of the caster manufacturer is equipped with a cylinder, and the bottom of the main body of the foot has two inlay grooves, a groove on the front of the caster's body, and a merrow on both sides of the groove; the braking system is under the foot. The brake system consists of brake shrapnel, lower brake knob and pressure road brake knob. The brake knob is installed in the bottom recess of the wheel body and consists of positioning cards, pedals and composite plates. The steering gear is located above the chainring of the brake system brake system. The brake pads are integrated to make the toothed disc move upwards at the same time, forming the clamping of the steering wheel, so that the casters can achieve the purpose of braking and steering at the same time. Wheel selection wheel material: first consider the size of the road surface, obstacles, materials left on the construction site (such as iron, grease), environmental conditions (such as high temperature, normal temperature or low temperature) and the weight of the wheel, and the appropriate wheel material can be installed . For rough ground, abrasion-resistant, elastic rubber, polyurethane or superelastomer wheels; work in exceptional temperatures.
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