Rapid-Mounting Mandrel Alignment for Grinding Machine Workholding
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Solution Overview
Problem
Existing grinding machine mounting systems lack efficient manageability and mechanical precision, particularly in achieving precise alignment and allowing for multiple uses without rework, especially for large workpieces.
Innovation Solution
A mounting system incorporating a magnet core with a cylindrical receiving region and a rapid-mounting mandrel, featuring a non-magnetic rapid-mounting device for precise alignment, which can be hydraulically or mechanically actuated, allowing for repeated use without reprocessing, and a method involving surface grinding of the workpiece driver before mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional mounting system is used for grinding machines, then the system can hold workpieces, but the alignment precision and manageability are insufficient, requiring rework for each installation
Solution Approach 1:
The mounting system is divided into separate modular components: a magnet core with receiving region, a rapid-mounting mandrel, and a workpiece driver. This segmentation allows each component to be independently manufactured with high precision and assembled quickly without requiring complete rework of the entire mounting system during each installation.
Solution Approach 2:
The magnet core receiving region and rapid-mounting mandrel are pre-ground to precise dimensions and surface finishes during manufacturing. This preliminary action ensures that when the components are assembled, the alignment precision is already established, eliminating the need for on-site alignment work and enabling rapid installation and removal.
2Adaptability or versatility
If a magnetic mounting system is used for large workpieces, then the workholding capacity is improved, but the alignment precision deteriorates due to lack of mechanical constraints
Solution Approach 1:
The system merges magnetic holding forces with mechanical alignment constraints. The magnet core provides magnetic attraction for workholding, while the pre-ground receiving region and rapid-mounting mandrel provide mechanical constraints for precise alignment. This combination allows the system to handle large workpieces with high adaptability while maintaining high alignment precision through the mechanical interface.
3Productivity
If a rapid-mounting device is integrated into the magnet core or mandrel, then the mounting speed is improved, but the device complexity increases
Solution Approach 1:
A hydraulic rapid-mounting device can be integrated into the magnet core or rapid-mounting mandrel to enable quick mounting and removal operations. The hydraulic system provides controlled actuation of the mandrel into the receiving region, significantly improving mounting speed. While this adds some complexity, the integrated design keeps the system compact and the operational benefits substantial for frequent tool changes.
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
The system enables precise and efficient mounting of workpieces with improved manageability and mechanical precision, allowing for multiple installations and removals without rework, enhancing the operational efficiency of grinding machines.
Implementation Method 1
a workpiece can be mounted magnetically on the workpiece driver
Data Source
AI summary
A mounting system includes a magnet core arranged for positioning inside a magnet coil. The magnet core includes a cylindrical, elongate receiving region with a central axis, a rapid-mounting mandrel arranged for insertion into the cylindrical, elongate receiving region, and a discoid workpiece driver, detachably fastened to the rapid-mounting mandrel and extending normal to the central axis. A one of the magnet core or the rapid-mounting mandrel includes a rapid-mounting device for mounting the rapid-mounting mandrel in the magnet core. Example embodiments may includes the rapid-mounting device integrated into the magnet core or integrated into the rapid-mounting mandrel.