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This post was last edited by hesonchang214 on 2020-5-21 09:32. A conveyor roller refers to something that rolls; its English name is CONVEYOR ROLLER, and they can be either unpowered or powered. Composition and Applications of Rollers: Non-powered conveyor rollers, also known as free rollers, consist of a cylinder body, a shaft core, deep groove ball bearings, and a bearing mounting frame. They are used to assist in rolling processes; they do not have their own power and rely on external forces to move. A driven roller generally refers to an electric drum with a built-in motor; here it also denotes rollers equipped with sprockets, synchronous pulleys, etc., which can be driven by a reduction motor. The structural composition is basically the same as that of the unpowered version; it simply has a motor built in, or external components such as sprockets or synchronous pulleys that can be driven by a reduction motor are installed. Roller selection guide: https://bkimg.cdn.bcebos.com/pic/b58f8c5494eef01f55920b85e0fe9925bd317def?x-bce-process=image/resize,m_lfit,w_250,h_250,limit_1. Steps for roller selection: 2. Selection of roller specifications: · Different weights require rollers with appropriate diameters and lengths; the length of the roller can be customized according to the customer’s requirements, with the standard value being the width of the goods plus 50 mm. (Figure 1) Our company offers a variety of rollers suitable for transporting materials of different weights, lengths, and requirements. ·In static operating environments, the appropriate type of roller should be selected; for example, in humid environments, rollers made of stainless steel or plastic-steel should be used. ·When there are turning rollers, the radius of the turn should be taken into account to ensure smooth material transport. (Figure 2) · To ensure the balanced transport of the goods, it is necessary for three rollers to be in contact with the transported items at all times; for soft bagged products, pallets should be used if necessary. 3. Classification of rollers: Based on whether they are powered or not, there are two main categories – unpowered rollers and powered rollers; both of these categories include straight rollers and conical rollers. Based on the driving effect, power rollers can be divided into positive-driving type and accumulation-type. Based on the driving mechanism: power rollers can be classified into three types – belt drive (slotted belt), flat belt drive (friction belt), and chain drive (chain-driven). Based on the type of bearing: there are specialized precision bearings and specialized stamping bearings, with bearing housings available in steel and engineering plastic materials. Based on the cylinder material: various materials are used to achieve different surface treatments, thereby meeting the requirements for material transport in various operating environments. Based on the installation method: there are shaft spring-mounted and fixed-mounted types.