Ask an EngineerINFOGRAPHIC: Calculating Total Cost of Ownership
Pneumatic vs. Electric Actuators
TOTAL COST OF OWNERSHIP (TCO) = INITIAL PURCHASE COST + (YEARS OF SERVICE x YEARLY COSTS)
| YEARLY COSTS | = |
ELECTRICITY |
| + REPLACEMENT | ||
| + MAINTENANCE | ||
| + PRODUCT SCRAP | ||
| + LOST PRODUCTION | ||
| (DUE TO CHANGE OVER AND CYCLE TIMES) |
|
The efficiency differences between an electric and pneumatic system can result in significantly different electric utility costs over the lifetime of the device. |
Calculating the power costs of an application |
 |
|
 |
|
| Assumptions: Electricity Efficiency 79%; Pneumatic Efficiency 22%; Cost kW/hr $0.08 |