Black Keyed Spool
Spools play an integral role in keeping line-shaft conveyors up and running. As the shaft rotates, the line-shaft spool spins with it, transmitting the power and motion that drive the individual conveyor rollers. But not all spools perform equally well. If you replace damaged spools with incorrect types or low-quality products, you might experience slipping. Slipping can cause excess wear on O-rings and reduce the efficiency of line-shaft conveyors. That leads to frequent machine downtimes and shortens the lifespan of your equipment. Fortunately, you can prevent slipping by using Superior Band’s black keyed spools.
Reduce Downtime with Black Keyed Spools
Black keyed spools typically perform best on inclines, curves, or areas that require more drive. These spools feature a key-like design in the midsection, which aligns perfectly with the ridge on keyed line shafts. This design keeps the spools firmly in place and virtually eliminates slipping. As a result, your line-shaft conveyor runs efficiently day in and day out. That alone can give your productivity a boost.
Here’s a quick reminder: since these spools stay in place so well, use them only in sections where jams and accumulation are unlikely.
Product Specifications
Superior Band manufactures black keyed spools to fit a one-inch line shaft. Here are their dimensions for your reference:
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1″ diameter
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1.23″ wide
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1.87″ tall
As one of the most trusted manufacturers in the material handling industry, we offer huge discounts for bulk orders. Buying in bulk helps you maintain a steady inventory and replace conveyor parts quickly during machine downtime.

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