Design the heating and cooling curve

 Design the heating and cooling curve, the heating rate should not be higher than 10℃/min, and the cooling rate should be lower than 15℃/min. Clean up the environment.Production Process Of Vacuum Brazed Diamond Saw Blade When starting to use the tube furnace every week, check that the oil line of the mechanical pump is above the marking line, remove both end caps, and clean the corundum furnace tube with a vacuum cleaner.Heat treatment process for wide and thick plates Push the sample boat into the middle of the tube furnace (constant temperature length 10cm). Place two insulated furnace plugs so that the end of the second furnace plug is flush with the side of the furnace. Install the gas stove flange, making sure the gasket falls into the groove. Fill with working gas When using hydrogen as working gasVacuum brazing of aluminum alloys and filler metals ① Connect the hydrogen gas line and check for leaks at each joint with soapy water to confirm there is no air leakage. ②Confirm that each valve is closed. ③ Turn the knob counterclockwise to open the main valve of the hydrogen cylinder, turn the knob clockwise, and slowly open the outlet pressure reducing valve to keep the outlet pressure at 0.1MPa.Effect of alloying elements on vacuum tempering of quenched steel ④ Turn on the power of the mechanical pump, open the outlet valve of the tube furnace and the two valves on the gas line of the mechanical pump, and pump for 5 minutes.

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