Fixed Abrasive Wire Plating via Segmented Sleeve Apertures
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Solution Overview
Problem
Existing methods for making fixed abrasive wires, such as electroplating and adhesive-based methods, face challenges in controlling the distribution and amount of abrasive grains, leading to inefficiencies and potential damage to the wire and abrasive grains during the high-temperature processes.
Innovation Solution
A method involving a sleeve with apertures of specific dimensions submerged in an electroplating or electro-less plating liquid, where a wire is moved through the sleeve to fix abrasive grains, allowing for controlled electroplating or electro-less plating to attach abrasive grains to the wire, enhancing precision and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a wire is buried in abrasive grains in a composite electroplating tank with Teflon film walls, then abrasive grains can be fixed to the wire, but the contact area between electroplating liquid and wire is small and electroplating takes a long time
Solution Approach 1:
The electroplating tank is segmented into multiple compartments, each containing abrasive grains of different sizes or types. This allows the wire to pass through multiple sections, increasing contact area and electroplating efficiency while maintaining controlled distribution of abrasive grains.
Solution Approach 2:
The wire is configured to move through the electroplating liquid in a multi-dimensional path rather than a simple linear trajectory. This increases the effective contact area between the wire and electroplating liquid, thereby improving electroplating speed without compromising grain distribution control.
2Reliability
If a wire is buried in abrasive grains in a composite electroplating tank, then abrasive grains can be fixed to the wire, but it is difficult to control the amount and distribution of abrasive grains
Solution Approach 1:
Different sections of the electroplating tank contain abrasive grains with specific properties (size, type, concentration) tailored to achieve desired distribution patterns. This local customization allows precise control over the amount and distribution of abrasive grains on the wire without complex control systems.
Solution Approach 2:
A control mechanism or intermediary device is introduced to regulate the flow of abrasive grains into the electroplating liquid or to control wire movement speed. This simplifies the control of abrasive grain distribution while ensuring reliable fixed abrasive wire quality.
3Manufacturing precision
If adhesive including copper, tin or titanium is used to fix abrasive grains to wire in high-temperature chamber, then control over abrasive grains is good, but wire and abrasive grains could be damaged and mechanical properties are jeopardized
Solution Approach 1:
The high-temperature adhesive bonding process is replaced with an electroplating process that occurs at lower temperatures. The electroplating mechanism deposits metal that binds abrasive grains to the wire, achieving good grain control without exposing the wire and grains to damaging high temperatures that would compromise mechanical properties.
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
This approach enables even distribution and controlled attachment of abrasive grains on the wire, improving the mechanical properties and precision of the fixed abrasive wire, reducing waste and environmental impact compared to traditional methods.
Implementation Method 1
locating the wire and the sleeve in electroplating liquid including abrasive grains blended therein, and executing electroplating to fix some of the abrasive grains to the wire
Implementation Method 2
locating the wire and the sleeve in electroplating liquid including abrasive grains blended therein, and executing electro-less plating to fix some of the abrasive grains to the wire
Data Source
AI summary
A method and apparatus for making a fixed abrasive grain wire includes, at first, inserting a wire through a sleeve that includes at least one aperture defined therein. Then, both of the wire and the sleeve are located in electroplating or electro-less plating liquid that includes abrasive grains blended therein. Finally, electroplating or electro-less plating is executed to fix some of the abrasive grains to the wire.