13 RF Conveyor Chain Lubrication As with other power transmission chains, U.S. Tsubaki Conveyor Chains require proper lubrication. Good lubrication reduces wear, economizes horsepower, and reduces chain pulsation. Lubrication should be applied once per week by dripping or brushing Turbine Oil #75 - #120 into crevices as shown in Figure 13-1. For conveyor chains with grease pockets, grease should typically be supplied every six months.
Between Roller and Bushing
Between Link Plates and Between Pin and Bushing Figure 13-1: Important Conveyor Chain Lubrication Points
Automatic Lubrication System An automatic lubrication system can be used to save labor or when system configurations prevent manual lubrication.
Oil Tank
Lever
Chain Roller
Nozzle
Figure 13-2: Automatic Drip Lubrication
The automatic drip lubrication system pictured in Figure 13-2 utilizes the chain roller as a cam. The roller pushes up a pump lever as it passes by, causing the oil to drip.
This lubricator, however, cannot be used when the conveyor chain functions as an overhead trolley conveyor or when the chain requires many lubrication points. In these cases, a mist type lubricator operated by compressed air is recommended. For coil conveyor chain, an automatic grease feeder is available. Where Lubrication is Ineffective In most cases, lubrication is ineffective for bulk conveyors that convey powdery and granular materials. For flow or trough conveyors, the chain buries itself in the material as it moves in the conveying direction. Dust or other particles can become embedded in the chain and reduce or eliminate the lubricant effects of the oil.
RF C ONVEYOR C HAIN L UBRICATION 23
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