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Powerless roller conveyor is a simple and widely used conveying method; the roller drive system operates in a passive state, with the goods being moved and conveyed by the force of gravity or human effort. According to the layout method, it is divided into two types: inclined and horizontal layout. Product features of the power-free roller conveyor: 1. The precision bearings of the power-free roller conveyor are fixed within the steel bearing housing using stamping and riveting methods, ensuring durability and long service life. 2. The range of diameter options for power-free rollers is comprehensive, with a large capacity for bearing loads. 3. The power-free roller features robust steel rolling bearing components that can handle greater loads than plastic seated bearings. Installation method for power-free roller conveyors: Internal tooth shaft type 1. The power-free roller conveyor is a common installation method for sprocket-chain rollers; the rollers are connected to the frame via foot bolts at both ends, ensuring stability and firmness. 2. The time required for installation and disassembly due to wear and tear is greater compared to other installation methods. 3. The length of the idler roller shaft is equal to the inner width of the frame; during production, a negative tolerance of approximately - millimeters is usually applied. 4. The holes in the frame of the unpowered drum should be as small as possible to reduce the height-to-width ratio difference after the drum is installed. Product features of spring-pressed, unpowered rollers: 1. The precision bearings of the unpowered rollers are fixed within the steel bearing housing using stamping and riveting methods, ensuring durability and longevity. 2. The range of diameter options for power-free rollers is comprehensive, with a large capacity for bearing loads. 3. The power-free roller features robust steel rolling bearing components that can handle greater loads than those of plastic mesh belt bearings. Installation method for gravity-fed roller conveyors: Spring-press type. 1. A common installation method for gravity-fed rollers, with increasingly fast installation and disassembly processes. 2. Support rods should be added between the frames to stabilize and reinforce the roller conveyor structurally. 3. The mounting holes of the frame for the power-free roller conveyor are slightly larger than the shaft diameter, usually by +0.5 millimeters. 4. The inner width of the frame of the gravity-fed roller conveyor, as well as the space between the rollers, must provide sufficient installation space. On one hand, it is necessary for the rollers to be installed at an inclined angle; on the other hand, this is also a consideration related to the precision of installation of the gravity-fed roller conveyor frame. 5. It is not recommended to use a spring-press installation method for idler rollers, as this can lead to unexpected operational problems.