Friction-Based Work Carrying for Belt Polishing
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Solution Overview
Problem
Existing surface treatment methods for belt-shaped works, such as polishing, risk breaking the work due to tensile forces generated during carrying, as they require loads greater than the frictional force between the work and the polishing element, leading to potential deformation and adhesion issues with carrying rollers.
Innovation Solution
A surface treatment apparatus with a support surface having a higher frictional coefficient than the work and polishing surface, allowing the work to be moved by applying a load in one direction while the support surface is pressed on the polishing surface and slid in a different direction, eliminating the need for tensile force-carrying rollers and reducing deformation risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the work is carried by pulling with a load greater than the frictional force between the work and polishing element, then the work can be moved in the carrying direction, but the work may break due to tensile force generated
Solution Approach 1:
A supporter is introduced as an intermediary component between the work and the polishing element. The supporter has a support surface that contacts the work and a friction surface that contacts the polishing element. By using the supporter as a mediator, the system can transmit frictional force from the polishing element to the work without requiring direct pulling of the work, thereby eliminating tensile stress on the work while still achieving effective carrying.
2Strength
If carrying rollers are used to carry the work, then the work can be moved without tensile force, but foreign objects may adhere to the carrying rollers and shape restrictions occur
Solution Approach 1:
The invention removes the carrying roller component from the system entirely. Instead of using rollers to carry the work, the system uses a supporter with a friction surface that contacts the polishing element. This extraction of the carrying roller eliminates the source of foreign object adhesion and shape restrictions while still achieving the carrying function through friction-based movement.
3Reliability
If a supporter with high friction coefficient is used, then the work can be securely pressed on the polishing surface, but the device complexity increases
Solution Approach 1:
The supporter is designed to perform multiple functions: it supports the work during polishing, provides friction-based carrying movement, and eliminates the need for separate carrying rollers. By making the supporter a multi-functional component, the system achieves reliable pressing without significantly increasing overall device complexity, as the supporter integrates several functions that would otherwise require separate components.
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 safe and efficient polishing of belt-shaped works without breakage, preventing foreign object adhesion and reducing shape restrictions, allowing for seamless transition to subsequent processes like thin film formation without contacting carrying members.
Implementation Method 1
a frictional coefficient of the second surface and the support surface being higher than a frictional coefficient of the first surface and the treatment surface
Data Source
AI summary
According to an embodiment, a surface treatment apparatus includes a surface treatment portion, a supporter, and a carrying portion. The surface treatment portion has a treatment surface. The supporter has a support surface facing a second surface opposite to the first surface of the work. A frictional coefficient of the second surface and the support surface is higher than a frictional coefficient of the first surface and the treatment surface. The carrying portion applies a load in a direction in which the support surface is relatively pressed on the treatment surface, moves the support surface in a carrying direction different from the direction of the load, and thereby moves the work in the carrying direction.