Microwave curing process of bonded NdFeB magnet
A microwave curing and neodymium-iron-boron technology, which is applied to the maintenance of magnetic objects, magnetic materials, and heating chambers, can solve the problems of shortening curing time, curing deformation rate, high energy consumption, and low efficiency of electric heating and curing processes. The effect of curing efficiency and output, reducing energy consumption, and uniform mechanical strength of the product
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Embodiment 1
[0021] A microwave curing process for bonded NdFeB magnets. First, the binder NdFeB magnet green body is placed on the ceramic substrate, placed in a single layer, and then placed in the microwave kiln body as a whole, and the furnace door is closed. . Set the heating rate to 20°C / min, set the curing temperature to 140°C, and set the curing holding time to 15min. After the setup is complete, turn on the exhaust system, microwave source system and water cooling system. After the heat preservation is over, turn off the microwave source and the water cooling system to cool the sample with the furnace, keep the exhaust system working for 5 minutes and then turn it off, and you can get a bonded NdFeB product with excellent curing effect. The structure of the microwave kiln includes microwave sources arranged on both sides of the furnace body, a cooling interlayer wrapped around the furnace body, the upper end of the furnace body is provided with an exhaust system connected with th...
Embodiment 2
[0023] A microwave curing process for bonded NdFeB magnets. First, the binder NdFeB magnet green body is placed on the ceramic substrate, placed in multiple layers (average 3 layers), and then placed in a microwave kiln body as a whole , close the oven door. Set the heating rate to 15°C / min, set the curing temperature to 145°C, and set the curing holding time to 15min. After the setup is complete, turn on the exhaust system, microwave source system and water cooling system. After the heat preservation is over, turn off the microwave source and the water cooling system to cool the sample with the furnace, keep the exhaust system working for 10 minutes and then turn it off, and you can get a bonded NdFeB product with excellent curing effect.
[0024] The concrete structure of microwave kiln is the same as embodiment 1.
Embodiment 3
[0026] A microwave curing process for bonded NdFeB magnets. First, the binder NdFeB magnet green body is placed on the ceramic substrate, placed in a single layer, and then placed in the microwave kiln body as a whole, and the furnace door is closed. . Set the heating rate to 15°C / min, set the curing temperature to 135°C, and set the curing holding time to 10min. Microwave kiln and all the other operating steps are the same as in Example 1.
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