產品選型8 min readUpdated 2026-03-10By Upage Motion Engineering
工作原理
步進馬達以離散步距運動，無連續位置回饋——開迴路。伺服馬達使用編碼器閉迴路控制，持續校正位置誤差。
步進適合低速、固定負載、中等精度（典型 ±0.1°）。伺服適合變負載、高速及高動態響應。
對比矩陣
以下矩陣為起點——務必結合具體應用計算驗證。
- 成本：步進初始成本低；伺服較高但在嚴苛應用中 TCO 更優
- 速度：伺服最高轉速顯著更高
- 速度扭矩：伺服維持扭矩；步進高速扭矩下降
- 發熱：步進保持扭矩時發熱大；伺服更高效
- 複雜度：步進接線簡單；伺服需整定
選型建議
3D 印表機、貼標機等低速固定負載選步進。包裝線、機器人、CNC 及高產能或變負載應用選伺服。
Frequently Asked Questions
會——在過大加速度、負載衝擊或共振時。伺服系統可偵測並校正位置誤差。
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