Grinding Tool Diameter Measurement for Stable Cutting Speed
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Solution Overview
Problem
Existing methods for measuring the parameters of fine machining tools, particularly the outside diameter of grinding tools, are time-consuming and prone to errors, leading to potential tool damage and inconsistent cutting speeds during machining processes.
Innovation Solution
A fine machining machine equipped with a non-contact distance sensor, such as an optical or inductive sensor, that quickly and accurately determines the outside diameter and other parameters of grinding tools, allowing for real-time adjustments to maintain consistent cutting speeds and prevent tool damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If contact measurement methods are used to determine grinding tool parameters, then measurement precision can be achieved, but the measurement process becomes time-consuming and complex
Solution Approach 1:
The patent replaces mechanical contact measurement systems with optical measurement systems. A laser beam is used to non-contactly measure the outer diameter of the grinding tool, eliminating the need for physical contact between the dressing tool and grinding tool. This substitution maintains measurement precision while dramatically reducing measurement time and complexity.
Solution Approach 2:
The patent introduces a laser beam as an intermediary medium to transfer measurement information. Instead of direct mechanical contact, the laser beam serves as the mediator that carries measurement data from the grinding tool to the detection system, enabling fast and accurate non-contact measurement.
2Device complexity
If manual parameter entry is used during tool changes, then device complexity is reduced, but reliability of parameter accuracy deteriorates
Solution Approach 1:
The system performs self-measurement of the grinding tool parameters. The optical measurement system automatically determines the outer diameter and other parameters without requiring manual intervention or data entry. This self-service approach eliminates human error while keeping the system relatively simple.
Solution Approach 2:
The measurement system provides immediate feedback about the grinding tool parameters to the control system. The measured outer diameter and other parameters are automatically fed back to update the machine control, ensuring accurate parameter storage without manual entry and enabling real-time adjustments.
3Productivity
If rapid approach method is used for contact measurement, then productivity is improved, but the risk of tool damage increases
Solution Approach 1:
By replacing the mechanical contact system with an optical measurement system, the patent eliminates the risk of mechanical collision and tool damage. The laser beam can rapidly approach the grinding tool without physical contact, enabling high-speed measurement while completely avoiding the harmful factor of mechanical impact.
Solution Approach 2:
The optical measurement system provides a buffer zone between the measurement beam and the grinding tool. Since light can pass through air without mechanical contact, there is inherent cushioning that prevents direct impact, allowing rapid approach while protecting the tool from damage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables rapid and precise measurement of grinding tool parameters, ensuring consistent cutting speeds and improving operational safety by automatically adjusting spindle speeds and detecting potential tool damage, thereby enhancing machining efficiency and quality.
Implementation Method 1
a non-contact distance sensor, such as an optical or inductive sensor, that quickly and accurately determines the outside diameter
Implementation Method 2
A fine machining machine equipped with a non-contact distance sensor, such as an optical or inductive sensor
Implementation Method 3
a non-contact distance sensor, such as an optical or inductive sensor
Data Source
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AI summary
The invention relates to a machine for the precision machining of toothed workpieces, which machine comprises a tool spindle (30) for mounting a precision machining tool (31). The tool spindle can be driven to rotate about a tool spindle axis (B) by means of a tool spindle drive (32). A control device (70) takes at least one measurement of the distance from the precision machining tool (31) by means of a distance sensor (60) and, on the basis of said measurement(s), determines at least one characteristic variable of the precision machining tool, in particular the outer diameter thereof. The distance sensor can operate optically in particular.