Glass Edge Heat Chamfering With Localized Thermal Shock
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Solution Overview
Problem
Existing heat chamfering technologies face challenges in preventing damage to glass panels and organic/inorganic layers while ensuring efficient processing and handling of concave edges, often leading to deformation and inefficiencies.
Innovation Solution
A heat chamfering apparatus and method utilizing a heated body with a smaller contact region than heated region, applied via thermal shock, using induction heating to prevent deformation and damage, suitable for both convex and concave edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a large heated body is used to apply thermal shock to the glass panel edge, then the heating efficiency is improved, but the glass panel and organic/inorganic layers may be damaged due to excessive heat
Solution Approach 1:
The heated body is designed with a gradient cross-sectional area where the contact region (touching the glass) has a smaller area than the heated region (exposed to heater). This local differentiation allows concentrated heat application at the contact point while the larger heated region dissipates excess heat, preventing damage to the glass panel and organic/inorganic layers while maintaining heating efficiency
2Manufacturing precision
If the heated body is heated to high temperature for effective chamfering, then the chamfering quality is improved, but the heated body itself may deform
Solution Approach 1:
The heated body has a gradient cross-sectional area design where the contact region is smaller than the heated region. This geometric differentiation creates a heat sink effect where the larger heated region absorbs and distributes thermal stress, preventing deformation of the heated body while maintaining the high temperature needed for effective chamfering at the contact region
3Device complexity
If conventional heating methods are used, then the heating process is simple, but the power efficiency is poor and processing time is long
Solution Approach 1:
The patent replaces conventional thermal conduction heating with induction heating, which uses electromagnetic fields to directly induce currents in the heated body. This substitution dramatically improves power efficiency and reduces processing time while maintaining the simple gradient cross-sectional area design of the heated body for effective heat distribution
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
Achieves efficient chamfering without deformation or damage, maintaining edge strength and quality, particularly for flexible glass panels with organic and inorganic layers.
Implementation Method 1
a heater heating the heated body
Implementation Method 2
peel an edge of a glass panel by applying thermal shock to the glass panel
Data Source
AI summary
A heat chamfering apparatus includes a heated body configured to peel an edge of a glass panel by applying thermal shock to the glass panel while being in contact with the edge of the glass panel and a heater heating the heated body. The heated body includes a heated region and a contact region in a longitudinal direction thereof, the heated region being heated by the heater, and the contact region being configured to be in contact with the glass panel. The cross-sectional area of the contact region is smaller than the cross-sectional area of the contact region. A heat chamfering method includes peeling an edge of a glass panel by applying thermal shock to the edge of the glass panel by moving a heated body heated by a heater relatively with respect to the glass panel along and in contact with the edge of the glass panel.