Glass cutting machine, glass cutter, and glass cutting method

A glass cutting method for moving, on glass, a wheel having a cutting edge on an outer circumference thereof while pressing the wheel against the glass causing the wheel to rotate in a first direction and forming a fracture layer on the glass, and applying a force on the wheel directed in the opposite direction of the first direction of rotation of the wheel,

• wherein glass is cut by forming a scribe line thereon using the wheel, and
• wherein the force on the wheel directed in the opposite direction of the first direction of rotation is applied when the wheel rotates in the first direction
• wherein a wheel pin supports the wheel,
• wherein a holder supports the wheel pin, the holder comprising:
• a top surface where the wheel is disposed;
• two inclined surfaces;
• three mutually perpendicular flat surfaces;
• a first magnet disposed on one of the two inclined surfaces;
• and
• a second magnet disposed on the other of the two inclined surfaces, and
• wherein the first and second magnets generate a magnetic flux forming a magnetic field to press the wheel against the holder, and
• further comprising generating with the first magnet and second magnet a magnetic flux concentrated in an upper portion of the wheel.

A glass cutter having a wheel for forming a fracture layer on glass, a wheel pin supporting the wheel, and a holder supporting the wheel pin, the holder comprising a top surface where the wheel is disposed, two inclined surfaces, and three mutually perpendicular flat surfaces,

• wherein a mechanism for opposing rotation of the wheel when the wheel rotates is provided, the mechanism for opposing rotation of the wheel comprising a first magnet disposed on one of the two inclined surfaces of the holder and a second magnet disposed on the other of the two inclined surfaces of the holder,
• wherein the first and second magnets generate a magnetic flux forming a magnetic field to press the wheel against the holder,
• wherein the wheel comprises a side surface, and
• wherein the magnetic flux is perpendicular to the side surface of the wheel.