One of the most important operations in air compressor use is a duty cycle. This is the amount of time in which a compressor pump will deliver pressurized air before shutting down to cool off. A duty cycle is typically rated as a percentage of the total cycle time. If you need more than a half-duty cycle, you'll need a more in-depth understanding of these processes and how to initiate them. The following guide explores this further.

How to Calculate Duty Cycles

To calculate a duty cycle, simply divide the running time of the compressor by the total time of the cycle and decimalize the result. For example, if a cycle runs for ten hours, and the air compressor runs four hours out of ten, the duty cycle rating is 0.4, or 40%.

Standard duty cycle ratings include 25%, 50%, or 75%, depending on the intensity and duration of the application in question. In some cases, it may be necessary to achieve a duty cycle of 100% for applications such as continuous grinding or sanding. When running a 100% duty cycle, it’s vital to allow plenty of time for cooling to minimize the risk of heat damage.

Intermittent Vs. Continuous Duty Cycles

Duty cycles can be divided into two broad categories of operation: intermittent and continuous. In general, any cycle under 100% can be considered intermittent.

Continuous duty cycles are well-suited for applications requiring regular supplies of compressed air, such as using cutting or grinding tools, painting, operating conveyor belts and other machinery, and lifting large objects and assemblies. Lighter uses, such as inflating tires, powering tools like pneumatic hammers that require only a few seconds of operation at a time, and drilling or stamping, require only intermittent compressed air.

If you’re looking for an air compressor capable of offering the duty cycles and consistent performance needed to support your operations, contact Industrial Compressor Supplies in Maryland Heights, MO. These trusted suppliers offer an extensive selection of compressor parts and supplies, along with 24/7 advice and troubleshooting assistance. Call (877) 426-3131 to discuss your air compressor needs with an expert, or visit them online to place an order.