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How To Cut The Glass?
Apr 20, 2018

Prepare the workspace. You need a large flat table. It's best not to be too hard to scratch the glass. Work area should be easy to clean. It is best to avoid working on the carpet as it may produce glass fragments. To ensure the safety of pets and children, ensure that the work area and materials are kept away from them.

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2

Clean the surface of the glass you are cutting. Any stains or irregularities on the glass will prevent you from scratching it. Wipe the area you want to scratch with a rag or finger.

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3

Prepare a glass cutter and some low viscosity oils. The glass cutter is similar in size to a pencil, and scratches the glass with diamonds or hard wheels, so that the glass can be divided along the scratches. You can buy cutting oil or use some kerosene at a hardware store.

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4

Measure and mark where you want to scratch. The scratch must go from one side edge to the other side edge. You can mark it on the glass with a marker (if you want to cut a straight line, you can use a ruler). You can also mark it with paper and lay the paper under the glass.

Cutting length should not be too long. Scratches more than 60 cm increase the risk of broken glass.

Make sure that the scribe lines leave about 15 cm of edges on both sides to allow for grip space. If cutting a piece of glass, you may need special tools, such as pliers or a small hammer, to knock out the glass that you cannot hold with your hand.

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5

Dash on the glass

Immerse the knife in oil and hold it like a pencil. An oil-impregnated glass cutter can draw smooth lines. Make sure to check the wheel alignment to your desired position and orientation.

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6

calibration. You can use a yardstick or a common office ruler. You have to make sure that the ruler is thick enough to prevent it from colliding with the grinding wheel on the cutter.

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7

Press the glass with your hand and use a glass cutter to roll the surface along the surface. Pay attention to the sound. The rustling sound means that you are using too much force or your glass cutting knife is not enough. The smaller the sound produced, the better the scribe effect will be.

If you use too much force (common mistake), the cutting will become too hot and it will easily lead to glass breakage.

Your goal is a neat and consistent cut line. If you use too much force in one place, and just in another place, the glass will not break in the way you think. Subtle defects will cause your cutting to be skewed.

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8

The glass cutter should be drawn smoothly and smoothly from one end to the other. Don't draw back and forth along the lines even if you miss out.

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9

Check the scribe line. If you wipe off the cutting oil, you should see traces that are not easily noticeable, rather than popping protrusions. It should look like a small scratch. Make sure that the scratches are completely drawn from one end to the other.

How to cut glass

END

Second, split and polish

Grasp the ends of the glass dividing line with your hands. As if you were trying to split a piece of potato chips with two hands.

How to cut glass

Apply a slight force with your wrists to break the glass in half along the score line. Do not move the elbow joint. Only the wrists can be flexed (forced wrist clockwise, counterclockwise left wrist). Assuming that the line you draw is exactly half the thickness of the glass, now you need to divide the glass into two using the weakness of the scribe zone. When you're in two, you'll be successful.

When the glass breaks, it is very likely that it only begins to crack. If it is only a few centimetres apart, continue to apply force to continue the glass splitting forward.


3

Use fine sandpaper or oilstone to remove sharp edges. The edge is where the glass powder cracks. Polishing not only reduces the risk of being scratched, but it does not break easily and increases the toughness.

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