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Methods of stone extraction

Different methods of stone extraction

Nowadays methods of stone extraction are different due to the types of stone.

In the following we explain some of the most practical methods of stone extraction:

Extracting by parallel hole

Extracting by steel cutting wire

Extracting by chain cutting Machine

Extracting by diamond wire

Parallel hole

One of the oldest methods of stone extracting is parallel hole. In this method some holes are made in fixed distances. The distance between holes can vary for centimeters; that depends on type of stone and its strength.

It should be noted that when the holes are close to each other the stone block is cut easier. Indeed multiplication in the holes number increases the cost of stone extraction. The parallel holes method is successful for extracting mineral stones such as Travertine and granite.

Extracting by steel cutting wire

Stone extracting by steel cutting wire is used in countries like Italy since a century ago. In this method first some holes are made in the stone and then by passing the wire through the holes and horizontal and vertical movements the stone is cut.

Extracting by chain cutting Machine

In this method several cubes of stone are cut along a line by the movement of chain cutting machine. This method is recommended for stones that have low hardness but it’s not practical for granite mines. Chain cutting machine is mostly used for subterranean mines.

Extracting by diamond wire

In this method first two holes are made perpendicular to each other in the stone block. Next the diamond wire is passed through them and then when the machine starts working in vertical and horizontal direction the block is cut. In the following posts we’ll explain more about vocabulary and expressions related to stone, stone extracting by diamond wire and how to buy a diamond wire.

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Stone extraction by diamond wire

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