Rebar shear is the ideal solution for cutting all ferrous waste materials and in particular for reducing the volume of steel and various metals. Equipped with 4-edge blades driven by a special hardened steel hydraulic cylinder that allows high productivity at low costs, the alligator shears are also provided with a special geometry designed to always develop, in all work phases, the maximum cutting force. Characterized by numerous innovative elements that make them unique, the crocodile shears are the result of meticulous and careful research and development that the company reserves for each of its products, with a view to an ever-increasing attention to the customer.
1) The workpiece is vacuumed in the vacuum box to extract the gas components that can be pumped out of the workpiece material. If you heat the workpiece first, the gas will expand when exposed to heat. Due to the very good sealing of the vacuum box, the enormous pressure generated by the expanding gas may cause the observation window tempered glass to burst. This is a potential danger. This danger can be avoided by following the procedure of vacuum first and then heating up and heating.
2) If the heating and air evacuation procedures are used, the heated air will be pumped to the vacuum pump when the heated air is pumped out. This will cause the vacuum pump to rise too high, which may cause the vacuum pump to decrease in efficiency.
3) The heated gas is directed to a vacuum gauge, which generates a temperature rise. If the temperature rise exceeds the operating temperature range specified by the vacuum gauge, it may cause the vacuum pressure gauge to produce an indication error.
The correct method of use should be vacuumed and heated again. After the rated temperature is reached, if the degree of vacuum is found to have decreased, add it again. This is advantageous for extending the useful life of the equipment.
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Jiangyin Metallurgy Hydraulic Machinery Factory , https://www.eco-balingmachine.com