Sanding Roller Holder with Shield Plate and Clamp
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Solution Overview
Problem
Rollers used in the handling and processing of polymeric films become fouled with material from the film, leading to operational inefficiencies and the need for frequent sanding to restore their functionality.
Innovation Solution
A sand paper holder designed to securely hold the ends of an elongate piece of sand paper, allowing for efficient sanding of rollers by passing the smooth and course surfaces of the sand paper around segments of the rollers, while the rollers are turned to facilitate the sanding process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If sand paper is threaded through the roller system manually, then the sanding operation can be performed, but the maintenance technician must brace against significant friction force pulling the sand paper toward the roller
Solution Approach 1:
A sand paper holder is introduced as an intermediary device between the maintenance technician and the sand paper. The holder includes a clamp mechanism that secures the sand paper ends, allowing the technician to apply minimal force while the holder itself bears the friction load from the roller during sanding operations
2Ease of operation
If the sand paper ends are held manually during sanding, then the sanding process can be completed, but the technician's hand is exposed to potential contact with rollers and sand paper
Solution Approach 1:
The sand paper holder serves as a protective intermediary that the technician grips by its handle while the clamp mechanism secures the sand paper. This arrangement keeps the technician's hand at a safe distance from the rollers and sand paper, eliminating direct exposure to potential harmful contact during the sanding operation
3Reliability
If sand paper is used to sand rollers, then the rollers can be restored, but the sand paper requires secure holding to prevent displacement during operation
Solution Approach 1:
The sand paper holder merges multiple functions into a single device: it provides a handle for technician grip, incorporates a clamp mechanism to secure the sand paper ends, and offers a transparent shield plate for observation. This integrated design ensures reliable sand paper holding without requiring multiple separate devices or complex securing arrangements
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 sand paper holder enables effective sanding of rollers, removing material deposits and restoring their operational efficiency, thereby extending the lifespan of the rollers and maintaining the quality of the polymeric film processing.
Implementation Method 1
the surface of the third stretch roller 32 is beneficially abraded as a result of the relative movement of the third stretch roller 32 with respect to the course side of the sand paper 42
Implementation Method 2
The friction force between the sand paper 42 and the third stretch roller 32 tends to cause one of the longitudinal ends of the sand paper to be forcefully pulled toward the third stretch roller
Data Source
AI summary
A sand paper holder can be used to control sand paper that is being used to sand machinery at a distance from the equipment. The sand paper holder has a shield plate mounting a handle on one side and a clamping mechanism on the other side. The clamping mechanism securing holds ends of the sand paper. The shield plate provides a barrier between the hand of a technician holding the sand paper holder and the machinery. A method of sending using the sand paper holder is also described.