Superseded90% confidenceDecision RuleTime unknown
更换风扇电机时必须匹配原电机的轴径（常见6mm/8mm/10mm）和轴长，轴径不符会导致叶片装配后偏心晃动，加剧噪音和轴承磨损
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This knowledge claim has been superseded by newer content
更换电机风扇叶必须先确认电机轴径（常见6mm/8mm/10mm）和固定方式（顶丝紧固/D型平轴/花键），轴径不匹配再合适的叶片也无法安装Sources
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