Gear Toothing Angular Alignment Without Reference Marking
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Solution Overview
Problem
The existing methods for producing components with two gear teeth require an additional unproductive manufacturing step for marking the reference tooth or gap, which increases machining time and requires specialized equipment for both marking and detection.
Innovation Solution
A method that identifies the reference tooth or gap by comparing measured actual angular distances with predetermined target angular distances, eliminating the need for a separate marking and associated equipment, and allowing for efficient hard fine machining of the second toothing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a marking is created on the reference tooth or component to identify it, then the reference tooth can be reliably identified for fine machining, but an additional unproductive manufacturing step is required which increases machining time and requires specialized marking and detection equipment
Solution Approach 1:
The invention extracts and eliminates the unnecessary marking step from the manufacturing process. Instead of adding a marking to identify the reference tooth, the method uses the existing geometric features (teeth and gaps) and their angular positions to identify the reference tooth through measurement and comparison with target values, thereby removing the unproductive marking and detection operations
Solution Approach 2:
The component's own geometric features (the arrangement of teeth and gaps with their inherent angular distances) are used to identify the reference tooth. The existing structure serves its own identification purpose without requiring external markings or specialized detection equipment, as the angular distances between features naturally provide the identification basis
2Measurement precision
If a marking is created on the reference tooth or component to identify it, then the reference tooth can be reliably identified for fine machining, but specialized equipment for creating and detecting markings must be provided and maintained
Solution Approach 1:
The invention removes the specialized marking and detection equipment from the system. By using the existing geometric features and their angular positions for identification, the method eliminates the need for marking devices and specialized detection systems, reducing equipment complexity
Solution Approach 2:
The invention replaces the mechanical marking and detection system with a measurement-based identification approach. Instead of using physical markings that require specialized equipment to create and detect, the method uses angular distance measurements between existing geometric features, which can be obtained through standard measurement procedures
3Ease of manufacture
If the component is re-clamped after fine machining of the first gear and before fine machining of the second gear, then the second gear can be machined, but the reference tooth must be identified after re-clamping which requires additional time and equipment
Solution Approach 1:
After re-clamping, the component uses its own geometric features (teeth and gaps) to self-identify the reference tooth through angular distance measurements. The existing structure provides the identification information without requiring external markings or additional time-consuming procedures
Solution Approach 2:
The method implements a feedback mechanism where measured angular distances between geometric features are compared with predetermined target angular distances to identify the reference tooth. This closed-loop approach ensures accurate identification after re-clamping without requiring markings, as the measurement feedback provides the necessary identification information
Data Source
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AI summary
Hard finishing of a component (100), wherein the component (100) has a first toothing (101) and a second toothing (102), wherein a target angular position of the second toothing (102) relative to the first toothing (101) is defined for the component (100). A reference for achieving the target angular position is identified by a pattern comparison of measured actual angular distances to predetermined target angular distances.