Grinding Sander with Strip-Shaped Slot Areas for Narrow Surface Sanding
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Solution Overview
Problem
Conventional grinding sanders with large sheets of sandpaper struggle to effectively sand narrow surfaces, leading to warping and incomplete sanding due to edge deformation, resulting in wasted sandpaper and suboptimal results.
Innovation Solution
A grinding sander with a sanding plate featuring parallel strip-shaped slot areas for mounting narrow strip-shaped sandpapers, which reduces warping and improves sanding efficiency by preventing edge collapse and ensuring uniform coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a large sheet of sandpaper is used for sanding, then the sanding coverage area is increased, but the sandpaper edges warp and deform causing incomplete sanding of narrow surfaces
Solution Approach 1:
The patent divides the sanding plate into multiple independent strip-shaped slot areas, each accommodating a separate strip-shaped sandpaper. This segmentation allows each sandpaper strip to work independently on narrow surfaces without edge warping, while the collective arrangement maintains comprehensive sanding coverage.
2Area of stationary object
If a large sheet of sandpaper is used for sanding, then the sanding coverage area is increased, but the sandpaper is wasted due to edge collapse and incomplete sanding
Solution Approach 1:
By segmenting the sanding plate into multiple strip-shaped slots, each sandpaper strip is utilized fully without edge waste. The confined slot structure prevents the edge collapse that causes sandpaper waste in conventional large-sheet sanding.
3Manufacturing precision
If strip-shaped slot areas are defined on the sanding plate, then sanding precision on narrow surfaces is improved, but the device complexity increases
Solution Approach 1:
The sanding plate is segmented into multiple independent strip-shaped slot areas with limiting members. This segmentation provides precise sanding for narrow surfaces while maintaining a relatively simple overall structure that is easy to manufacture and assemble.
Data Source
AI summary
The present disclosure relates to a grinding sander. The grinding sander includes a sanding plate configured to move in an operation state, and a plurality of limiting members disposed on a surface of the sanding plate to define a plurality of strip-shaped slot areas. Each strip-shaped slot area is configured to allow at least one strip-shaped sandpaper to be correspondingly mounted therein to effect sanding of a surface of an article via the strip-shaped sandpaper under the movement of the sanding plate. The grinding sander of the present disclosure may be used to perform high-quality sanding of a narrow surface of an article.