Electrocaloric assisted internal cooling texture turning tool and nanofluid minimal quantity lubrication intelligent working system
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Solution Overview
Problem
Traditional machining methods face challenges with heat transfer during machining of difficult-to-machine materials with small thermal conductivity coefficients, leading to issues like burns and adhesion due to insufficient heat transfer, which affects machining performance and precision.
Innovation Solution
An electrocaloric assisted internal cooling texture turning tool with a direction-adjustable nozzle and nanofluid minimal quantity lubrication (NMQL) system, utilizing nanoparticles in MQL oil for enhanced heat transfer and surface texture to reduce friction and wear, along with an intelligent supply method for precise liquid delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional cutting fluid is used for cooling and lubrication, then cooling and lubrication effects are improved, but environmental pollution and harm to human health increase
Solution Approach 1:
The patent extracts and removes harmful cutting fluids from the machining process, replacing them with alternative cooling and lubrication methods such as compressed air cooling and minimal quantity lubrication (MQL), thereby eliminating environmental pollution while maintaining cooling effectiveness
Solution Approach 2:
The patent changes the state and parameters of cooling media from traditional liquid cutting fluids to compressed air and nanofluids, altering the physical and chemical properties to achieve both effective cooling and environmental protection
2Object-affected harmful factors
If dry cutting is adopted to eliminate cutting fluid hazards, then environmental pollution is reduced, but tool service life decreases and surface roughness deteriorates due to high cutting temperature
Solution Approach 1:
The patent applies preliminary cooling actions through internal cooling channels and surface textures before the cutting edge contacts the workpiece, pre-cooling the tool to withstand high cutting temperatures and extend service life
Solution Approach 2:
The patent introduces nanofluids as intermediary substances that enhance heat transfer between the tool and cutting zone, improving cooling efficiency without requiring large amounts of cutting fluid, thus protecting tool life while maintaining environmental benefits
3Reliability
If super-hard tool materials and coated tools are used in dry cutting, then tool service life is improved, but manufacturing cost increases
Solution Approach 1:
The patent enables the tool to cool itself through internal cooling channels and electrocaloric effects, eliminating the need for expensive super-hard materials and coatings by providing self-regulating thermal management
4Temperature
If internal cooling is implemented, then cutting temperature is reduced, but device complexity increases
Solution Approach 1:
The patent uses porous materials and surface textures with micro-cavities for cooling and lubrication, achieving effective heat dissipation through simple structural modifications rather than complex internal cooling systems
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 solution effectively reduces cutting temperature, improves heat transfer, prolongs tool service life, and enhances machining precision and surface quality, while minimizing environmental impact and energy consumption.
Implementation Method 1
the internal cooling turning tool handle is made of an electrocaloric material, is externally connected with an electric field
Implementation Method 2
nanofluid minimal quantity lubrication (NMQL) system, utilizing nanoparticles in MQL oil for enhanced heat transfer and surface texture to reduce friction and wear
Implementation Method 3
utilizing nanoparticles in MQL oil for enhanced heat transfer
Data Source
AI summary
The present disclosure proposes an electrocaloric assisted internal cooling, texture turning tool and a nanofluid minimal quantity lubrication (NMQL) intelligent working system. The electrocaloric assisted internal cooling texture turning tool comprises an internal cooling turning tool handle, a direction-adjustable nozzle and an internal cooling turning tool blade; the internal cooling turning tool blade is arranged at one end of the internal cooling turning tool handle serving as a bearing device; an internal cooling turning tool pad is arranged between the internal cooling turning tool blade and a structure of the internal cooling turning tool handle bearing the blade; an internal cooling turning tool blade pressing device is further arranged on the internal cooling turning tool handle; the internal cooling turning tool blade is tightly pressed on the internal cooling turning tool handle by the internal cooling turning tool blade pressing device.