Traditional manual grinding wheel replacement is dangerous and inefficient. China was the first country to obtain a set of automatic auxiliary grinding wheel replacement machines. In September 2017 the "machine vision automatic grinding wheel online replacement system" was developed. The system developed four-axis And six-axis automatic grinding wheel disassembly manipulators to automatically disassemble and reassemble grinding wheels, gaskets and flanges, and disassembly and fastening of the nut. To achieve this, the system includes civil construction, equipment manufacturing, equipment installation, electrical and power source installation , which will all work in conjunction with existing grinding wheel saw equipment.

According to reports, due to the stoppage of the grinding wheel, eventually the center position of the grinding wheel spindle shifts by 2 cm from the standard position. This would mean that the radial clearance between the grinding wheel and the main shaft is only 0.2 mm To solve the problem of positioning accuracy, the automatic system adopts machine vision and adaptive control technology to achieve precise positioning and effortless human-computer interactions.

The main component of the intelligent unattended cutting system is the large-scale grinding wheel saw. The large-sized grinding wheel used in this cutting system weighs 50kg and has a diameter of 1250mm, which is usually replaced every 2 hours. To the heavy weight and large diameter of the grinding wheel, the manual replacement method is high risk and low efficiency. Due to the harsh environment of the manual replacement site, the manual replacement faces high costs. This work has always been a difficult problem for The steel industry. According to reports, the replacement of the grinding wheel requires at least two workers to complete the four classes together and costs at least 260,000 yuan ($52,000 CAD) of labor costs per year.

The automatic replacement of the equipment using an automatic auxiliary grinding wheel replacement machine will save at least 10 minutes per replacement and will retain a profit of nearly 100 million yuan ($20,000,000 CAD) a year.


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