When the brush is welded, the electrodeposition of the brush may be burst for being heated, this paper brief analysis the reason and give a prevention measure.

• 摘要在电机电刷的焊接过程中可能会遇到电刷镀层因受热而爆裂的情况，该文简要分析了电刷镀层爆裂的机理，给出了预防措施。