Gear design support software CT-FEM Operaⅲ (gear meshing stress analysis)
AMTECH LIMITED.
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About This Product
■Summary
CT-FEM Opera, which was released in 2014, has undergone numerous tests and has a proven track record.This time, it has been reborn as CT-FEM Opera ⅲ, which is a parallel processing program to increase calculation speed. For example, when performing 3D-FEM analysis of a gear with mn=2, z1=z2=20, α=20°, β=11°, b1=b2=10 (number of elements 18335, number of nodes 29638), the pinion rotation angle θ1 If you divide =-9° to +9° into 20 parts and analyze it, you will need to calculate 40 gears, so CT-FEM Opera (old) Then it will take 1 minute 45 seconds x 40 = 70 minutes.
However, CT-FEM Opera ⅲ (new) completes the process in 13 minutes and 43 seconds. The CPU utilization rate is 12% without parallel processing, but 95% with parallel processing. However, the computer used for comparison is Microsoft Surface Pro3 (CPU: Intel CoreTMi7-4650UMemory, 8.0GB, 2 cores 4 threads operating frequency 1.70GHz, 3.3GHz at turbo boost).
CT-FEM Opera ⅲ has enhanced tooth surface analysis and can calculate flash temperature, friction coefficient, oil film thickness, transmission error analysis, Fourier analysis, probability of occurrence of scuffing and wear, and life time. In addition, tooth flank edge contact analysis and optimal tooth flank modification functions (generate a tooth flank shape that minimizes tooth flank stress under assembly conditions) are added, so damage and noise caused by edge damage and trochoidal interference are reduced. This problem can be resolved by applying appropriate tooth surface modification to the gear in question.
We have also added an animation function (stress and displacement videos), so you can observe changes in stress and displacement depending on the rotation angle. Therefore, analyzing the specifications of the gear where the damage occurred makes it easy to understand the stress distribution phenomenon, which is very effective for improving the current gear and persuading users. Furthermore, if there is anything you do not understand when using the software, an explanation will be displayed by pressing the [F1] key, making it easy for even beginners to use the software.
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Gear design support software CT-FEM Operaⅲ (gear meshing stress analysis)
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