Spur gear production
Software detects deviations in the "closed loop"
In the "Design/Manufacturing Closed-Loop" for cylindrical gears developed by KISSsoft, the manufacturing deviations are fed back to the desired properties of the design.
"Closed loop" is a term that is state of the art in bevel gear production but has not been widely used in the cylindrical gear world - at least not as a term. The aim of the "closed loop" in production is to minimize manufacturing deviations by using evaluation software to determine the necessary correction values for setting the production machine based on the deviations from the target geometry. This optimizes the manufacturing process so that the manufactured parts achieve the specified accuracy. In the "Design/Manufacturing Closed-Loop" for cylindrical gears developed by KISSsoft, the manufacturing deviations are fed back to the desired properties of the design (e.g. NVH behavior - noise, vibration, roughness - under load). If the cumulative deviations are too high, the production department must take measures or a reject selection must be carried out. This analysis can be carried out with the help of KISSsoft calculations.
First, gears are designed according to the desired criteria in the design process. After production, the tooth flank geometries of milled or ground gears are measured on a Gleason measuring machine, for example, and fed back into the KISSsoft program. The measured tooth flanks are used to recalculate important performance criteria in the drivetrain, such as contact pattern, NVH behavior or service life. The simulation results can then be compared with the design results and enable a functional evaluation of manufacturing deviations in the system.
With this closed-loop approach, the design can be modified to fit a manufacturing process or the manufacturing process can be tested for suitability to achieve the desired gear performance at the lowest cost. As a result, design, manufacture and measurement are integrated into a holistic process.
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