Magnetic MQL Turning Nozzle With Ultrasonic Lubricant Infiltration
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Solution Overview
Problem
Existing ultra-precision machining technologies face challenges in lubricating and cooling hard and brittle materials effectively due to random distribution of lubricant droplets and lack of infiltration space, leading to tool wear and surface defects, especially in diamond turning tools.
Innovation Solution
A turning apparatus with magnetic circulation and ultrasound-assisted infiltration, utilizing a magnetic circulation nozzle and recycling nozzle with magnets and a two-dimensional ultrasonic auxiliary device to enhance lubricant infiltration and cooling, forming a closed pumping space and improving lubrication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional MQL technology is used with atomized lubricant droplets, then the system is simple to operate, but the lubricant distribution is random and infiltration into the cutting area is insufficient
Solution Approach 1:
The patent introduces magnetic field as an intermediary to control and guide the lubricant delivery system. Magnets are integrated into the nozzle structure to generate magnetic fields that interact with magnetizable lubricant particles, enabling precise control of lubricant trajectory and distribution pattern in the cutting area without complex mechanical positioning systems
Solution Approach 2:
The patent changes the physical state and delivery parameters of the lubricant by using magnetic field interaction. Instead of relying on random atomized droplet distribution, the system uses magnetic field strength and direction as controllable parameters to achieve deterministic lubricant placement and infiltration depth in the cutting zone
2Manufacturing precision
If ultrasonic-assisted machining is used to improve critical depth of cut, then the critical depth increases significantly, but tool wear becomes serious due to direct contact
Solution Approach 1:
The patent uses magnetic field as an intermediary force field between the tool and workpiece. The magnetic field interacts with magnetizable particles in the lubricant to create controlled infiltration without requiring direct mechanical contact, thereby reducing tool wear while maintaining the enhanced cutting depth capability
Solution Approach 2:
The patent replaces direct mechanical contact and force transmission with magnetic field interaction. Instead of relying solely on mechanical ultrasonic vibration and direct tool-workpiece contact, the system uses magnetic field forces to deliver and position lubricant, reducing mechanical wear on the tool
3Manufacturing precision
If magnets are added to the nozzle to create magnetic circulation, then lubricant infiltration is enhanced, but the device complexity increases
Solution Approach 1:
The patent merges the magnetic field generation function directly into the nozzle structure. Magnets are integrated within the nozzle body, combining the lubricant delivery function and magnetic field generation function in a single component, thereby enhancing infiltration capability without proportionally increasing overall system complexity
Solution Approach 2:
The magnetic nozzle structure serves multiple functions simultaneously: it delivers lubricant, generates magnetic field for particle control, and enables circulation. This multi-functionality reduces the need for separate components and simplifies the overall system architecture while achieving enhanced infiltration
4Productivity
If magnetic circulation nozzle and recycling nozzle are used, then lubricant recycling efficiency is improved, but the device complexity increases
Solution Approach 1:
The patent combines the magnetic field generation and lubricant circulation functions into integrated nozzle structures. The magnetic circulation nozzle and recycling nozzle both incorporate magnets, merging multiple functions into unified components that reduce overall system complexity while improving recycling efficiency
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 apparatus ensures consistent lubrication and cooling by fully infiltrating the cutting area with magnetic nano lubricant, reducing tool wear and surface defects, and enabling efficient recycling of the lubricant, thus enhancing machining precision and reducing processing costs.
Implementation Method 1
a magnetic circulation nozzle and a magnetic circulation recycling nozzle are respectively arranged on both sides of the turning tool... a magnet is provided on a periphery of the lubricant channel
Implementation Method 2
a two-dimensional ultrasonic auxiliary device is fixed with the turning tool
Data Source
AI summary
Provided is a turning apparatus with MQL based on magnetic circulation and ultrasound-assisted infiltration, comprising a turning tool fixed with 2D ultrasonic auxiliary device; a magnetic circulation nozzle and magnetic circulation recycling nozzle arranged on both sides of turning tool; lubricant channels respectively provided inside magnetic circulation nozzle and magnetic circulation recycling nozzle; magnets arranged on peripheries of lubricant channels; polarities of ends of magnets on the two nozzles facing to turning tool are opposite; lubricant channel of magnetic circulation nozzle is connected to one end of first flexible pipe, and another end is connected to lubricant canister after passing through peristaltic pump; one end of second flexible pipe is connected to the peristaltic pump, and another end is connected to a filtering mechanism; one end of third flexible pipe is connected to the magnetic circulation recycling nozzle, and another end is connected to liquid inlet of filtering mechanism.