Gear Grinding Carrier Counterweight for Precision With Larger Workpieces
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Solution Overview
Problem
Existing gear grinding machines face limitations in precision and quality due to inertial forces when handling larger workpieces, restricting the maximum diameter that can be machined to 125 mm, and are prone to vibration issues, which affect processing reliability.
Innovation Solution
A gear grinding machine design featuring a movable mass integrated into the carrier element, which moves perpendicular to the workpiece spindle, compensating for inertial forces through its mass forces, allowing for simultaneous movement in a second direction, thereby stabilizing the system and enabling larger workpiece diameters to be processed reliably.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the workpiece diameter is increased beyond 125 mm, then the productivity and processing capacity are improved, but the inertial forces cause vibration and positioning precision deteriorates
Solution Approach 1:
A counterweight is integrated into the carrier element to compensate for the inertial forces generated during workpiece handling. The counterweight moves synchronously with the workpiece spindle, creating opposing forces that cancel out the vibrations and maintain positioning precision even when processing larger workpieces with diameters up to 250 mm
2Productivity
If the workpiece mass is increased to quadruple the capacity, then the productivity is improved, but the dynamic stability and processing reliability deteriorate
Solution Approach 1:
The counterweight system compensates for the increased inertial forces resulting from quadrupled workpiece mass, maintaining dynamic stability and processing reliability throughout the machining process
3Productivity
If the workpiece diameter is increased, then the productivity is improved, but the vibration susceptibility increases
Solution Approach 1:
The counterweight moves synchronously with the workpiece spindle, generating inertial forces that oppose and cancel the vibrations caused by handling larger workpieces, thereby reducing vibration susceptibility while maintaining increased productivity
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
This configuration allows for workpieces up to 250 mm in diameter to be machined with improved precision and quality, doubling the previous diameter limit and quadrupling the workpiece mass, enhancing production capacity and profitability by minimizing non-productive times and maintaining dynamic stability of the vertical axis.
Implementation Method 1
the inertial forces when handling the workpieces become so great that the required precision of the positioning suffers
Data Source
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AI summary
The invention relates to a gear or profile grinding machine (1), in particular for grinding pre-toothed or pre-profiled workpieces (2), wherein the machine has at least one tool spindle (3) on which at least one grinding tool (4) can be mounted, and wherein the machine has at least one workpiece spindle (5, 6) which is slidably arranged on a carrier element (7) and which can be moved at least temporarily towards the tool spindle (3) by means of at least one drive to allow the workpiece (2) to interact with the grinding tool (4).To increase the precision of the machine with increasingly larger workpieces using simple measures, the invention provides that at least one mass (8) is arranged on or in the support element (7), which is movably arranged on or in a guide element (9) by means of a drive element (10), wherein the mass (8) is constantly free from contact with any other machine and/or workpiece and/or tool part. Furthermore, the invention relates to a method for operating such a gear or profile grinding machine.