Link Belts

Nov. 15, 2002
A modular approach to PT belts is used by link belts.

A modular approach to PT belts is used by link belts. The link, a composite of textile urethane plies, is connected to adjacent links by a rivet or spade end twisted through the next link. This manner constructs belts of almost any length. Older link-belt materials had to be derated when directly replacing an endless belt. However, new materials and designs allow replacement without any derating.

Link belts are generally available in A, B, and C widths in 100-ft lengths. The latest generation of this belt type with its rivetless construction and urethane/polyester-plied construction transmit the full horsepower of classical V-belts. The major advantage of link belts is downtime reduction. Matched sets of the correct length belt are always on hand. Because the belt can be joined on the machine, it can often be installed much faster than a conventional V-belt. Other advantages include improved oil and water resistance, vibration damping, and an extended temperature range.

Disadvantages are that newer materials may be more expensive, but older designs and materials did not transmit the same power as endless V-belts. Some materials may generate static charges and should be used only on grounded equipment when in high-dust areas.

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