Stand-Up Machine Tool Chip Deflection With Internal Magnets
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Solution Overview
Problem
Free-flying metal chips and particles from machining processes can cause production disorders, damage workpieces, and lead to premature wear in machine tools, especially in high-speed and precise processing environments like core drilling machines.
Innovation Solution
A chip guide system is integrated into the stand machine tool, utilizing at least one magnet positioned to attract and deflect chips away from critical components, thereby controlling their spread within the machine housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If machining operations are performed at high speeds for precise processing, then productivity and manufacturing precision are improved, but free-flying metal chips are generated that can damage machine components and electronics
Solution Approach 1:
The patent utilizes the magnetic properties of metal chips (which are inherently magnetic) to convert the harmful effect of free-flying chips into a beneficial control mechanism. By positioning magnets strategically within the machine housing, the chips are attracted and guided along predetermined paths toward designated collection areas, transforming the problematic free-flying behavior into a controlled deposition process that protects sensitive components while maintaining high-speed machining operations
2Reliability
If magnets are positioned to deflect chips away from critical components, then reliability is improved by preventing chip damage, but device complexity increases due to the chip control system
Solution Approach 1:
The chip control system operates autonomously without requiring external control mechanisms. The magnets are permanently positioned within the housing to create magnetic fields that automatically attract and guide chips along predetermined paths. The system self-regulates chip movement based on the inherent magnetic properties of the chips, eliminating the need for sensors, actuators, or complex control electronics, thereby maintaining simplicity while achieving reliable chip management
Solution Approach 2:
The patent replaces complex mechanical chip evacuation systems (such as vacuum mechanisms, conveyors, or robotic arms) with a simpler magnetic field-based system. The magnets create invisible magnetic fields that naturally guide chips without mechanical contact, reducing moving parts and mechanical complexity while providing continuous, reliable chip control throughout the machining operation
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 chip guide system effectively prevents chips from reaching sensitive areas, ensuring the safety and stability of the processing work, reducing the risk of damage to tools and electronics, and maintaining the precision and quality of the manufacturing process.
Implementation Method 1
the magnet is arranged in the first tool stand housing interior such that chips induced by a machining operation and entering the tool stand housing interior are deflected by the magnetic field induced by the magnet
Data Source
Figure 1a
Figure 1b
Figure 2
AI summary
A stationary machine tool (100) for machining, in particular a core drilling machine, comprising a tool stand (12) with a first tool stand housing interior (14), a chip deflection system including a magnet (16), wherein the magnet (16) is arranged in the first tool stand housing interior (14) such that chips generated by a machining operation and entering the first tool stand housing interior (14) are deflected by the chip deflection system.