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Home » Authors » Don R. Sullivan

Don R. Sullivan

Don Sullivan is a senior product manager with Emerson Industrial Automation representing Browning brand belt drives.

Articles

ARTICLES

Do Notched V-Belts Wear Sheaves Faster Than Wrapped Belts?

Don R. Sullivan
October 18, 2010
2 Comments
People sometimes ask if there are wear differences due to the raw edge design of the notched V-belt vs. the fabric all over design of the classical wrapped V-belt. The fact is many factors can contribute to sheave wear. However, notched V-belts and wrapped V-belts have virtually identical sheave wear characteristics.
Read More

Explaining Synchronous Drives: Are They Intended for HVAC Applications?

Don R. Sullivan
August 9, 2010
No Comments
While synchronous drives do have many industrial applications, they are generally not accepted as the best option for HVAC equipment. Virtually no OEM uses or recommends synchronous drives due to cost, noise and vibration, structural design concerns, and reliable availability of replacement components.
Read More

Explaining V-Belt Drive Misalignment

Don R. Sullivan
June 7, 2010
No Comments
V-belt drive misalignment exists when the driver and driven sheaves are not properly aligned. Misalignment can take either the form of angular or parallel (offset) misalignment, or a combination of both. Ideally, you want to have both parallel and angular harmony.
Read More

Explaining Static vs. Dynamic Sheave Balancing

Don R. Sullivan
April 19, 2010
No Comments
If a sheave is not balanced, it will have an inherent uneven distribution of weight. This uneven weight distribution magnifies vibration and noise when rotated and as speed of rotation increases. Unbalanced sheaves can also lead to premature life of other drive components due to the vibration and stresses placed on the components.
Read More
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