Stone processing has a long history. Since the human activities on the earth, there have been stone processing, so that archaeologists have divided the age of ancient human life into the Paleolithic Age and the Neolithic Age. In the Paleolithic period of 2.5 million years, stone tools were the main labor tools of mankind. 8,000 years ago, humans began to use stone axe, stone sarcophagus, stone chisel and stone shovel, and the grinding discs and stone hammers, stone tablets and stone tools were the main tools. Later, with the advent of metal tools, humans gradually mastered the methods of mining and processing various stone materials.
The stone board processing initially uses a pendulum sand saw, the saw frame is hung by a rope, and the feed system is completed by gravity weight. The saw blade tensioning mechanism is tensioned by the wedge block. Abrasives are mainly made of river sand, which is completed by artificial sand and water. The sawn sheet is small in size, uneven in thickness, and has a large surface roughness. The processing technology is relatively simple, the product is single, the labor intensity is large, and the quality is poor.
Prior to the Industrial Revolution, all stone mining and processing was done by hand. It was not until the 19th century that the first machinery used to process stone appeared in Europe, which brought a revolution to the stone processing industry. After the invention of stone machinery, stone processing was freed from heavy physical labor. Since then, stone processing has evolved from manual operation to mechanization.
With the development of stone processing equipment and processing tools, diamond frame saws have emerged for the processing of marble blocks. The feed mechanism and the tensioning structure are hydraulic, and the saw frame is translated. The granite frame sand saw adopts synchronous screw feeding structure, and the sand adding system adopts automatic mixing sandblasting and water spraying system, and the processing efficiency and processing quality are greatly improved.
Stone processing equipment has been continuously developed with the advent of new technologies, and its processing technology has been continuously improved. Stone processing develops from sheet to profile, and a series of special-shaped stone processing equipment such as arc plate cutting machine, circular plate grinding machine, stone cutting machine and CNC engraving machine appear. Stone processing equipment has also been continuously improved and updated with the development of science and technology, from simple electrical control to PLC control and numerical control. The processing method also develops from machining to high-pressure abrasive water processing, laser processing, flame processing, and sandblasting. Auxiliary equipment is also moving from a single mechanical device to numerical control and intelligence.
In the middle of the 20th century, stone mechanized production and processing equipment was rapidly developed in European countries such as Germany, France and Spain, and promoted the technological progress of stone processing machinery. In the late 1980s, with the advantage of cheap and high quality, Italy became a developed country in the world of stone machinery manufacturing. After that, many excellent stone equipment companies were born in Japan, Taiwan, and China.
Since 1980, China's stone machinery manufacturing industry has continuously introduced advanced national technology, and has formed a complete stone processing machinery manufacturing system. The gap between manufacturing technology level and international advanced level is rapidly shortening. China is gradually becoming a powerful stone machinery manufacturing country. .
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