The strong phenomenon of sandblasting helmets blowing sand particles, impacting the surface of the object, the natural phenomenon of grinding the surface of the object, is the basis of the principle of sandblasting.
In 1870, the American BCTilghman was patented for a high-pressure injection device. Most of the basic structures and related matters of various sand blasting devices in use today were invented and examined at that time.
Today, whether dry or wet, there is a surprisingly wide range of industries that use sandblasting. There are also many types of sand blasting devices. Judging from the past developments, there is no doubt that their application fields will expand in the future.
At the time Tilgman invented the sand blasting device, many practical peripheral technologies were not yet developed. If there is no high-performance air compressor, high-pressure water vapor is used instead. In terms of mechanical projection type high-speed slewing wing, due to the unknown dangerous speed and the unsatisfactory structure, sufficient projection force cannot be obtained. Because the abrasive uses natural gravel, it is not only easy to break and wear the accelerator structure, but also generates a large amount of dust and deteriorates the working environment.
The development of iron abrasives instead of natural gravel has contributed to the advancement of rotary wing projection blasting equipment. The improvement and popularization of air compressors has promoted the high performance of projection method devices. And research and development of the use of various abrasives, etc., the development of sandblasting equipment has now passed quite a long time.
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