The three key techniques for laser surface hardening of gear have been proposed in this paper. With using these techniques, an uniform hardened case along the flank of gear has been obtained easily.
提出了齿轮激光表面强化的偏置技术、变速扫描技术和辅助冷却技术，因而，获得了沿齿廓分布的均匀硬化层。
The article introduces came magnetic hardening Nd-Fe-B powder in uniform property and coherence magnets performance, shape technique and wide applications in brushless motors.
文中介绍各向同性快淬钕铁硼粉及制成的粘结磁体的性能，成型工艺，并指出各向同性粉结钕铁硼磁体在无刷电机中的广泛应用。
The article introduces came magnetic hardening Nd-Fe-B powder in uniform property and coherence magnets performance, shape technique and wide applications in brushless motors.
文中介绍各向同性快淬钕铁硼粉及制成的粘结磁体的性能，成型工艺，并指出各向同性粉结钕铁硼磁体在无刷电机中的广泛应用。
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