In this paper, two developed methods of tooth root load carryingcapacity calculations for beveloid gears with parallel axes arepresented. The first method calculates the tooth root load carryingcapacity in an FE-based approach. The initial step of the method isthe manufacturing simulation in the WZL software GearGenerator. Themanufacturing simulation calculates the 3D geometry of the beveloidgears by simulating the generating grinding process. The next stepis an FE-based (finite element) tooth contact analysis with the WZLsoftware ZaKo3D which is able to calculate the tooth root stressesof several gear types during the meshing. From these stresses andfurther parameters (e.g., local material properties) the tooth rootload carrying capacity is calculated in an approach which is basedon the weakest link model of Weibull.
The second method uses analytic formulas to calculate the toothroot load carrying capacity of beveloid gears. In this method thetooth root load carrying capacity of beveloid gears is compared tothe tooth root load carrying capacity of cylindrical gears. Theeffects which are observed during this comparison are described andformulas are derived to take these effects into account.
Finally both methods are applied to a test gear. The methods arecompared to each other and to tests on beveloids gears withparallel axes in test bench trials.
- Edition:
- 13
- Published:
- 09/01/2013
- Number of Pages:
- 19
- File Size:
- 1 file , 830 KB
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