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A roller conveyor is mainly composed of driving rollers, frame, supports, drive units, and other roller-related components. It features a large handling capacity, high speed, smooth operation, and the ability to carry out concurrent split transportation of multiple product types on the same line. Load on the conveyor rollers: Suitable only for light loads. For heavy loads or conveyor belts that need to be started frequently, chain or sprocket drive is required; in some cases, a dual-sprocket drive is necessary, as well as universal couplings and bevel gears. Conveying rollers are suitable for transporting items with a flat bottom. Under normal conditions, the conveyor drum should be maintained once a year. The maintenance steps are as follows: 1. Drain all the lubricating oil from within the drum through the oil drain hole on the left end cover of the conveyor drum. 2. Disassemble the conveying roller as follows: remove the wiring box at the left flange shaft end, as well as the bolts of the left support and left end cover; then remove the bolts of the right end cover and right support, and lift the right flange shaft using a lifting ring to remove it. 3. Clean all the components inside the conveying drum as well as its inner walls thoroughly. 4. Re-fill each bearing of the conveyor drum (a total of six bearings, including those of the motor) with an adequate amount of calcium-sodium-based lubricant. 5. Replace all the sealing rings and oil seals on the motor and the conveyor rollers. The replaced sealing rings and oil seals must be intact and undamaged, smooth and round, without any tiny protrusions or depressions, nor any wrinkles; their material must be oil-resistant rubber. The above is the maintenance knowledge regarding conveyor rollers shared by Shanghai Yuyin Machinery; we hope it will be helpful to everyone.