Planetary gears Overview Based on helical gear calculation modules Calculation of planet pin location for non-evenly spaced planets Influence of rim thickness of ring gear and planet gears considered Assembly check Sizing function for load distribution factor along AGMA 6123 Rough and fine sizing function Strength rating, planets DIN 3990 method B, DIN 3990 method B with YF along method C, DIN 3990 Part 41 (vehicles) ISO 6336:2006 and ISO 6336:2019 Static rating against yield AGMA 2001-C95, AGMA 2101-D04, AGMA 2001-D04 AGMA 6004-F88, AGMA 6011-J14, API 613 :2021, AGMA 6014-B15, AGMA 6015-A13, GOST 21354-87 Plastic gears along Niemann, VDI 2545, VDI 2545 modified, VDI2736 BV / Rina FREMM3.1, Rina 2010, DNV41.2, Loyds Register 2013 ISO 13691:2001 (high speed gears) For nominal load or load spectrum Planet system reliability Micropitting rating along ISO/TS 6336-22, scuffing rating along ISO 6336-20, ISO 6336-21, DIN 3990, AGMA 925 Flank fracture rating along ISO/TS 6336-4 and case crushing rating along DNV 41.2 Kg calculation For systems with perfect pin position or for pins with positioning error Quasi-static load distribution neglecting dynamic effects Sun may be floating or stationary Kg is calculated for momentary force equilibrium for different meshing positions Considering system equilibrium for in-phase and out-of-phase systems Phasing check Planetary tooth contact analysis FEM calculation of planetary carrier Planetary carrier torsion is calculated inside KISSsoft with FEM Salome / Code Aster is used as pre-processor and solver, using Python scripts Based on parameterized model of the carrier (import of carrier geometry is not directly possible) Mesh generation is automatic Includes sizing function for planetary carrier geometry Results may also be directly imported from FEM results file Ring gear deformation In case of ring gears supported only on one side, the conical deformation may be considered for the planet – ring gear mesh Sun gear arrangement Floating or fixed sun gear In case of floating sun gear, quasistatic momentary equilibrium is calculated Link to shaft calculations Planetary carrier tilting in carrier bearings or due to manufacturing errors may be considered from shaft calculation Sun shaft twist, sun shaft tilting may be considered in LTCA with planets Planet pin deformation and planet bearing deformations is automatically imported from shaft calculation Planetary tooth contact analysis may be integrated into System Module models
