**Roller Center Spacing:**

In order to convey product smoothly and efficiently, it must be supported by a minimum of three rollers. To compute the center to center roller spacing required dived the length of your package by 3. The dividend is your required spacing. For example, a package 24″ long divided by 3, yields a dividend of 8. Therefore, the required spacing would be 8″ center to center. Flexible bottom packages require four or more supporting rollers per package.

**Conveyor Grades**

Conveyor grades recommended here are not exact and should be used only to estimate your requirements. Figures above are intended for average conditions, using proper size rollers for material handled. Additional grade may be required in some cases.

Starting a package from rest on level lines requires a push of approximately 3% of the total load. For heavy loads a pitch of 1/8″ per fott will reduced push required.

The amount of drop required for 90 degree curves with 4′ radius is approximately the same as required per 10′ section.

**Wheel Spacing**

Products to be conveyed on wheel conveyor should have a smooth and firm bottom to maximize conveyability. It is important to note that wheel conveyor should have a minimum of 5 wheels under smallest box size and a minimum of 3 axles under it at all times.

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