1. Die-cutting
1.1 Principle
Generally speaking, cutting glass means guiding the propagation of a fracture in the glass. This is commonly achieved by creating an initial crack (median crack) with a cutting wheel, and then applying a well-directed stress. The first stage is known as scribing, the second as breakage.
Scribing can be performed mechanically by moving a pointed indentor over the glass surface. The roller used is a wheel with a sharp edge and a hardness greater than that of the glass. A normal load P is applied to the wheel as it moves. The wheel has three main characteristics: the material it is made of, its diameter D, and its angle α (figure 1 ). These parameters are adapted to the type...
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Material processing - Assembly
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Die-cutting
References
Some of the players
This list is not exhaustive. Readers will find the characteristics of the cutting methods on the corresponding websites, or in the patents published by the various companies mentioned.
Applied Photonics http://www.appliedphotonics.com
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