A kind of preparation method of cutting grinding wheel of blue glass infrared cut-off filter
A technology of infrared cut-off and cutting grinding wheel, which is applied in the direction of grinding/polishing equipment, manufacturing tools, metal processing equipment, etc. It can solve the problems of inability to improve the grinding performance of fine-grained diamond grinding wheel, poor uniformity of grinding wheel structure, block shedding and fracture, etc. problems, to achieve the effect of improving stable cutting ability, increasing life and cutting speed, and reducing sintering temperature
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Embodiment 1
[0023] A preparation method of a blue glass infrared cut-off filter cutting grinding wheel, comprising the following steps:
[0024] (1) Weigh the metal bond and diamond in proportion, put them into a three-dimensional mixer for premixing, and the mixing time is 0.5 hours; then take out the premix, add absolute ethanol, and then place it in an ultrasonic machine Ultrasonic wet mixing is carried out in the middle, and the ultrasonic wet mixing time is 2 hours (5 minutes of pause after each ultrasonic 20 minutes, a total of 6 ultrasonic times), and the mixture after ultrasonic wet mixing is dried in a vacuum oven;
[0025] (2) Put the mixture obtained in step (1) into the cavity of the mold, spread the material evenly, place it on the workbench of the hydraulic press, hold the pressure at 600MPa for 2 seconds, and press to form it to obtain a green wheel;
[0026] (3) Place the green grinding wheel obtained in step (2) in a graphite mold and sinter it in a hot press sintering ma...
Embodiment 2
[0036] A preparation method of a blue glass infrared cut-off filter cutting grinding wheel, comprising the following steps:
[0037] (1) Weigh the metal bond and diamond in proportion, put them into a three-dimensional mixer for premixing, and the mixing time is 1 hour; then take out the premix, add absolute ethanol, and then place it in an ultrasonic machine Ultrasonic wet mixing was carried out in the middle, and the ultrasonic wet mixing time was 3 hours (pause for 5 minutes after each ultrasonic wave for 20 minutes, a total of 9 ultrasonic waves), and the mixture after ultrasonic wet mixing was dried in a vacuum oven;
[0038] (2) Put the mixture obtained in step (1) into the mold cavity, spread the material evenly, place it on the workbench of the hydraulic press, hold the pressure at 700MPa for 2 seconds, and press to form it to obtain a green wheel;
[0039] (3) Place the green grinding wheel obtained in step (2) in a graphite mold and sinter it in a hot press sintering...
Embodiment 3
[0049] A preparation method of a blue glass infrared cut-off filter cutting grinding wheel, comprising the following steps:
[0050] (1) Weigh the metal bond and diamond in proportion, put them into a three-dimensional mixer for premixing, and the mixing time is 0.75 hours; then take out the premix, add absolute ethanol, and then place it in an ultrasonic machine Ultrasonic wet mixing is carried out in the middle, the ultrasonic wet mixing time is 140 minutes (pause for 5 minutes after each ultrasonic 20 minutes, a total of 7 ultrasonic times), and the mixture after ultrasonic wet mixing is dried in a vacuum oven;
[0051] (2) Put the mixture obtained in step (1) into the mold cavity, spread the material evenly, place it on the workbench of the hydraulic press, hold the pressure at 650MPa for 1s, and press to form it to obtain a green wheel;
[0052] (3) Place the green grinding wheel obtained in step (2) in a graphite mold and sinter it in a hot press sintering machine at a p...
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