Directly tracking the differential between input torque and output torque to isolate thermal conversion.
The document provides equations to determine how heat leaves the gearbox through three primary mechanisms:
Engineers use ISO/TR 14179-2 for several high-stakes industrial tasks: iso tr 14179-2 pdf
While (ISO/TR 14179-1) is based on an American proposal (AGMA) focused on a fixed 95 °C sump temperature, Part 2 is based on a German proposal that utilizes a more flexible iterative heat balance model. Go to product viewer dialog for this item.
The report outlines procedures to measure and calculate the thermal balance of a gear unit. This includes: Directly tracking the differential between input torque and
(Gear Mesh Losses): Load-dependent sliding and rolling friction between tooth profiles. PLBcap P sub cap L cap B end-sub
The technical guidelines are primarily intended for industrial gear drives operating up to a pitch line velocity of 30 m/s. It accommodates diverse gear configurations, including: Cylindrical spur and helical gears Bevel and hypoid gears Worm gear drives Technical Breakdown: Power Loss vs. Heat Dissipation The report outlines procedures to measure and calculate
While Part 1 focuses on rating gear drives at a fixed equilibrium temperature (95 °C), offers a more flexible method to determine the actual power loss and heat dissipation under practical operating conditions. Key Objectives
ISO/TR 14179-2 is an indispensable document for mechanical engineers and designers involved in gear unit design and maintenance. By providing a practical approach to determining the thermal load-carrying capacity, it ensures that industrial gears operate efficiently and reliably.
To standardize how engineers calculate these thermal limits, the International Organization for Standardization developed the ISO/TR 14179 series. Specifically, provides a vital, internationally recognized framework for determining the thermal load-carrying capacity of gear units.
The official global repository where the document can be purchased in PDF or hardcopy format.