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Sharing on the design for turning of roller conveyors. Roller conveyors / powered roller conveyors / roller conveyor systems / roller-based production lines (also known as roller conveyors) are suitable for transporting various types of items such as boxes, bags, and pallets. They can handle materials with high individual weights or those subject to significant impact forces. These conveyors feature high transport capacity, fast speed, smooth operation, and the ability to handle multiple different types of items simultaneously along the same line. Depending on actual needs, roller conveyors may be designed with turns of over 90 degrees; here I will briefly share the design concepts. 1. Determine the required turning inner radius; commonly, it is R=900 2. Based on the external dimensions of the object, the width of the drum surface of the conical roller is calculated. 3. To calculate the small and large diameters of the conical roller, the small diameter is generally 50, while the large diameter is determined based on the inner and outer radii of the curve. 4. Calculate how many cone rollers are needed for the turning machine. Generally, when a regular object is placed on a bending machine, at least three cone rollers bear the weight. For a powered turning machine, the number of chain links is calculated based on the number of teeth on the sprocket. The general number of chain links is even; it cannot be odd. 5. Power is calculated based on the weight of the object, while the number of teeth on the motor sprocket is determined according to the desired operating speed.