Cutting Tool Cover Extension for FRP Chip Containment
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Solution Overview
Problem
During the cutting process of FRP, chips scatter due to a gap between the cutting tool cover and the work, and the accumulation of cutting heat leads to increased temperature and potential delamination, as well as reduced tool life.
Innovation Solution
A cutting tool cover with a hollow shaft body and an extension portion that covers the work surface, featuring a body portion fixed to the shaft and an extension portion extending from the circumferential edge, which prevents chip scattering and effectively cools the cutting tool by increasing its surface area for heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a cover is provided on the cutting tool to collect chips, then chip collection is improved, but chips still scatter due to the gap between the cover and work
Solution Approach 1:
The invention extends the cover from a simple cylindrical shape to include an extension portion that protrudes in the radial direction toward the workpiece. This dimensional extension allows the cover to bridge the gap between the tool and workpiece, effectively preventing chip scattering without requiring complex adjustment mechanisms.
Solution Approach 2:
The extension portion of the cover acts as an intermediary element between the tool body and the workpiece surface. It physically blocks the gap through which chips would escape, serving as a mediator that prevents chip scattering while maintaining the simplicity of the overall tool structure.
2Loss of substance
If the cover is positioned close to the work to prevent chip scattering, then chip containment is improved, but cutting heat accumulates in the tool body causing temperature increase
Solution Approach 1:
The cover is segmented into a body portion and an extension portion. The body portion maintains a gap from the workpiece for heat dissipation, while the extension portion protrudes to prevent chip scattering. This segmentation allows both chip containment and thermal management functions to be achieved simultaneously.
Solution Approach 2:
Different portions of the cover have different spatial relationships with the workpiece. The extension portion is positioned close to the workpiece surface to prevent chip scattering, while the body portion maintains a larger gap to allow heat dissipation. This local differentiation of spatial positioning resolves the contradiction between chip containment and thermal management.
3Loss of substance
If the cover structure is extended to prevent chip scattering, then chip containment is improved, but the surface area for heat dissipation increases
Solution Approach 1:
The extension portion adds surface area in the radial direction, providing additional heat dissipation pathways. This dimensional extension simultaneously achieves both chip scattering prevention and enhanced heat dissipation, transforming what could be a harmful effect (increased surface area) into a beneficial one.
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 prevents chip scattering and reduces temperature increases in the cutting tool, enhancing cutting efficiency and tool longevity by restraining chip movement with suction airflow and promoting heat dissipation.
Implementation Method 1
a hollow shaft body and at least one insert attached to an end face of the shaft body and cuts by bringing the insert into contact with a work while rotating the shaft body
Implementation Method 2
an extension portion extended outward from the circumferential edge of the body portion in the entire circumference of the top end portion of the body portion and covers the surface of the work
Implementation Method 3
effectively cool the heat accumulating in the tool body to prevent an increase in temperature of inserts at the process of cutting
Data Source
AI summary
A cutting tool cover set to a cutting tool which includes a hollow shaft body and at least one insert attached to an end face of the shaft body and cuts by bringing the insert into contact with a work while rotating the shaft body. The cutting tool cover includes: a body portion fixed to a top end portion of the shaft body; and an extension portion extended outward from the circumferential edge of the body portion in the entire circumference of the top end portion of the body portion to cover the surface of the work.