Fujian Changting Golden Dragon Rare-earth Co., Ltd

Jianpeng Wu

Qingjiang Wang

Disclosed are a continuous heat treatment device and method for a sintered Nd&#x2014;Fe&#x2014;B magnet workpiece. The device comprises a first heat treatment chamber, a first cooling chamber, a second heat treatment chamber, and a second cooling chamber continuously disposed in sequence, as well as a transfer system disposed among the chambers to transfer the alloy workpiece or the metal workpiece; both the first cooling chamber and the second cooling chamber adopt a air cooling system, wherein a cooling air temperature of the first cooling chamber is 25&#xb0; C. or above and differs from a heat treatment temperature of the first heat treatment chamber by at least 450&#xb0; C.; a cooling air temperature of the second cooling chamber is 25&#xb0; C. or above and differs from a heat treatment temperature of the second heat treatment chamber by at least 300&#xb0; C. The continuous heat treatment device and method can improve the cooling rate and production efficiency and improve the properties and consistency of the products.

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Province, China

Jianpeng Wu