Adaptive Gear Tooth Chamfering for Batch Geometry Accuracy
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Solution Overview
Problem
In machining toothing systems, there is a significant relative deviation in individual tooth formations of workpieces within a batch, despite monitoring and corrective measures, often due to changes in workpiece properties or machining settings that affect the position of tooth edges, leading to deviations from desired chamfer geometry.
Innovation Solution
A method where the controller of the second machining operation automatically detects changes in workpiece properties or machining settings and adjusts the relative positioning to adapt the additional tooth shaping, such as chamfering, to maintain the desired target geometry, using a combination of detected changes and predetermined references.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual monitoring and corrective measures are used to maintain chamfer geometry, then operator intervention can adjust for some deviations, but larger workpiece batches always include workpieces that do not correspond to the desired expectations with regard to the additional tooth shaping
Solution Approach 1:
The controller of the second machining operation automatically detects changes in workpiece properties or machining settings from the first machining operation and uses this feedback information to adjust the relative positioning for chamfering. This closed-loop feedback system enables automatic compensation for deviations, ensuring consistent chamfer geometry across large workpiece batches without manual intervention.
Solution Approach 2:
The system performs self-adjustment by automatically detecting changes and correcting positioning deviations without requiring operator intervention. The controller independently monitors workpiece properties and machining settings, then autonomously adjusts the chamfering operation to maintain desired geometry, making the process self-correcting and scalable to large production volumes.
2Extent of automation
If the controller independently calculates machine axis settings based on operator input, then automation is improved, but changes in workpiece properties or machining settings can still lead to deviations from target chamfer geometry
Solution Approach 1:
The system enhances automation by incorporating automatic detection of workpiece property changes and machining setting variations. The controller receives feedback information about actual workpiece characteristics and first machining operation results, then automatically adjusts machine axis settings for the second machining operation to compensate for detected deviations, maintaining precision despite process variations.
Solution Approach 2:
The system transitions from static, pre-programmed machine axis settings to dynamic, adaptive positioning. The controller continuously monitors workpiece properties and machining settings, then dynamically adjusts the relative positioning for chamfering based on real-time detected changes, enabling the automation system to adapt to process variations while maintaining manufacturing precision.
3Manufacturing precision
If operator correction is applied by entering adjusted chamfer width, then the process can produce the desired chamfer, but this requires manual intervention and does not fully eliminate deviations in large batches
Solution Approach 1:
The system eliminates the need for manual correction by implementing self-detection and self-adjustment capabilities. The controller automatically monitors workpiece properties and machining settings, detects deviations from target geometry, and independently adjusts the chamfering process parameters to produce the desired chamfer width without operator intervention, making the process both precise and easy to operate.
Solution Approach 2:
The system replaces manual correction with automatic feedback-driven adjustment. The controller receives feedback information about actual workpiece characteristics and first machining results, then automatically calculates and applies the necessary corrections to chamfering parameters, eliminating the need for operators to manually enter adjusted values while maintaining chamfer width accuracy across all workpieces.
Data Source
AI summary
The invention relates to a method for machining toothing systems, in which, for a series of workpieces with an identical target geometry, a toothing system is produced or machined on a respective workpiece in a first machining operation and, in a second machining operation, with a machining tool, additional tooth shaping of the toothing system resulting from the first machining - in particular, chamfering of a tooth end edge of this toothing system - is carried out in a relative positioning with respect thereto, wherein a controller of the second machining operation automatically detects, at least in part, a change in a workpiece property, which is in particular independent of the first machining operation, and/or in a setting of the first machining operation - in particular, with respect to a respectively predetermined reference - and carries out the relative positioning as a function of the detected change.