Compact Fluid Jet Cutter for Small Sample Precision
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional fluid jet cutting systems are large, complex, and unsuitable for non-production environments like laboratories, particularly for cutting small samples or specimens, as they require extensive setup, programming, and are not well-suited for materials less than 1 inch in width, posing difficulties for untrained operators and potentially damaging samples with heat or force.
Innovation Solution
A compact and portable fluid jet cutting device with a movable cutter head assembly along three axes, a user-friendly interface, and a submerged basket to dissipate energy, allowing for precise cutting of small samples without the need for CAD software programming, featuring a touch screen display for operator control and a camera for capturing and displaying work piece images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional fluid jet cutting systems are used, then cutting capability is achieved, but device size becomes large and complexity increases making them unsuitable for laboratories
Solution Approach 1:
The cutting system is divided into modular components: a compact cutter head assembly with integrated nozzle and abrasive delivery, a separate pump system, and a movable carriage mechanism. This segmentation allows the system to be configured in a compact form factor suitable for laboratories while maintaining full cutting functionality.
Solution Approach 2:
The cutter head assembly is designed to handle multiple materials (metal, non-metal, ceramic, composite) using the same basic mechanism with adjustable parameters. The system provides universal cutting capability across different material types and sample sizes, eliminating the need for specialized equipment for different applications.
2Ease of operation
If traditional fluid jet cutting systems are used, then cutting capability is achieved, but ease of operation deteriorates due to requirement for CAD software programming
Solution Approach 1:
The system incorporates automated functions including programmable carriage movement along tracks, automatic abrasive flow control, and integrated pump operation. Once basic parameters are set, the system self-regulates the cutting process without requiring operators to write CAD programs or manually coordinate multiple subsystems.
Solution Approach 2:
The system replaces complex manual positioning and programming requirements with automated electronic control of the carriage movement and cutting parameters. Simple touchscreen or panel controls substitute for complex CAD software programming, making the system accessible to operators without specialized training.
3Manufacturing precision
If traditional fluid jet cutting systems are used, then cutting capability is achieved, but manufacturing precision deteriorates for samples less than 1 inch in width
Solution Approach 1:
The cutter head nozzle is designed with optimized geometry and positioning capabilities specifically suited for small sample work. The abrasive jet can be precisely directed and focused on small target areas, and the carriage system provides fine position control for accurate positioning on samples less than 1 inch in width.
Solution Approach 2:
The system allows adjustment of critical parameters including nozzle-to-sample distance, abrasive particle size and flow rate, fluid pressure, and carriage speed. These parameters can be optimized for small sample cutting to achieve high precision while minimizing sample damage from excessive energy or heat.
4Loss of energy
If bed of slats is used to dissipate energy, then energy absorption is achieved, but slats are consumed and must be replaced regularly
Solution Approach 1:
The energy dissipation function is extracted from the mechanical slat bed and transferred to a fluid medium (water or other coolant). The fluid absorbs the kinetic energy of the abrasive jet through hydrodynamic interaction, preventing direct mechanical contact and erosion of solid support structures.
Solution Approach 2:
The system uses a hydraulic fluid (water) as the energy absorption medium. The fluid flow in the catcher tank dissipates the high-velocity abrasive jet through turbulence and hydrodynamic forces, replacing the mechanical energy absorption of slats with hydraulic energy dissipation that does not consume the medium.
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
Enables precise and efficient cutting of small samples in non-production settings, reducing sample damage and operator complexity, with a compact footprint suitable for laboratories and the ability to handle complex shapes, while extending the life of consumable components by dissipating energy through fluid rather than the basket.
Implementation Method 1
a fluid, such as water, is forced through a nozzle to generate a high-pressure fluid jet having a pressure from 35,000 to 100,000 psi and a velocity of up to three times the speed of sound
Implementation Method 2
energy from the high-pressure fluid jet may be dissipated by a volume of fluid in the underlying catcher tank
Implementation Method 3
The cutting power of the high-pressure fluid jet may be enhanced by adding abrasive particles into the stream to produce an abrasive fluid jet
Data Source
AI summary
A fluid jet cutting device for sectioning materials is provided. The device includes a compact and portable body having an equipment chamber accessible through a first panel, a working chamber accessible through a second panel and a receptacle in communication with the working chamber. A pump assembly and motor are removably positioned on a base in the equipment chamber. A guide assembly is positioned in the working chamber and a cutting head having a nozzle is movably coupled to the guide assembly for movement along three axes. A drive assembly moves the cutting head along the guide assembly. A clamp for holding a work piece includes a first face and a second face movable relative to the first face so as to secure regular, irregular or complex shaped work pieces. A basket is positioned in the receptacle below the clamp and the device may be controlled by way of a touch screen user interface.