Unverified82% confidenceDecision RuleTime unknown
空载转速标称通常在300-500rpm，但清洁力关键看扭矩，扭矩低于同类产品的高转速刷贴到污垢表面会明显掉速甚至卡停，认准堵转扭矩参数而非单看转速
1
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82%
Confidence
Long-term
Relevance
-
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Unverified转速高扭矩不一定强，遇到顽固污渍高转速刷头易打滑空转；低速高扭矩（约1000-1500rpm配大扭矩电机）反而更能咬住污垢，选购时应看是否标注扭矩而非只看转速84% similarUnverified转速虚标常见：宣传3200RPM往往是空载值，带负载（压肌肉）后实际掉速明显。判断堵转扭矩比看RPM数字更靠谱，扭矩不足按下去就停转82% similarUnverified关注电机转速与切须频率而非单纯外观：往复式看每分钟切须次数（高端可达9万次/分以上），转速越高单次刮净度越好、拉扯感越小；低速廉价机型易夹须扯痛79% similarUnverified运动速度精度看'最低速能否连续无顿挫'，优质产品最慢可达0.5mm/s平滑运行用于长曝光延时；廉价步进电机在极低速下会出现肉眼可见的阶梯抖动76% similarUnverified力度调节应认准物理档位（3档以上电机调速）而非仅靠加垫布减力，纯揉捏机型无档位时可通过增减衣物厚度调节，但档位电机机型体验更稳定73% similar
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