Calculates the required cooling capacity for spray/injection lubricated systems using external heat exchangers. 🛠️ Practical Applications and Engineering Use
The primary objective of the document is to provide a standardized method for calculating the ($P_th$). Unlike mechanical rating (which deals with tooth breakage or pitting), thermal rating deals with the equilibrium between:
By using this document, engineers can determine whether a gearbox can operate safely under specific load conditions without requiring auxiliary cooling systems like fans, cooling coils, or external oil-to-water heat exchangers. ISO/TR 14179-1 vs. ISO/TR 14179-2: What is the Difference? iso tr 14179-2 pdf
Synthetic oils (like polyalphaolefins or polyglycols) generally feature lower friction coefficients than mineral oils, directly reducing gear mesh losses ( PVzcap P sub cap V z end-sub
Because both power loss and heat dissipation depend heavily on temperature, finding the point where they balance requires an iterative, step-by-step calculation loop. ISO/TR 14179-2:2001 - Thermal load-carrying capacity ISO/TR 14179-1 vs
For engineers seeking deeper technical guidance, the offers a practical path to implementing the standard's calculations with full automation and reporting capabilities—transforming a complex analytical method into a routine engineering tool.
The standard applies to industrial gear units, particularly those that are: step-by-step calculation loop.
[ P_loss = P_dissipation ]
Importantly, the methods described in this Technical Report are explicitly presented as —not as a mandatory replacement for established design practices.