減速同時降低了負載的慣量，慣量的減少為減速比的平方。大家可以看一下一般電機都有一個慣量數值。減速機的種類 一般的減速機有斜齒輪減速機(包括平行軸斜齒輪減速機、蝸輪減速機、錐齒輪減速機等等)、行星齒輪減速機、擺線針輪減速機、蝸輪蝸桿減速機、行星摩擦式機械無級變速機等等。
目前性能比較好的減速機：
減速機的工作原理根據減速機的種類不同各有差別，目前性能比較好的要屬行星式齒輪減速機，行星式齒輪減速機的傳動機構是齒輪，伺服電機帶動減速機的太陽輪，太陽輪再驅動支撐在行星臂架上的行星輪，行星輪通過其與外齒環的嚙合傳動，驅動與外齒環相連的輸出軸，就達到了減速的目的，減速比與齒輪系的規格有關。
新聞:新市區ATM機專用步進電機57BYGH56-1006A
伺服與變頻的一個重要區別是:
變頻可以無編碼器,伺服則必須有編碼器,作電子換向用，交流伺服的技術本身就是借鑒并應用了變頻的技術，在直流電機的伺服控制的基礎上通過變頻的PWM方式模仿直流電機的控制方式來實現的，也就是說交流伺服電機必然有變頻的這一環節：PLC資料變頻就是將工頻的50、60HZ的交流電先整流成直流電，然后通過可控制門極的各類晶體管(IGBT，IGCT等)通過載波頻率和PWM調節逆變為頻率可調的波形類似于正余弦的脈動電，由于頻率可調，所以交流電機的速度就可調了(n=60f/2p ，n轉速，f頻率， p極對數)。
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中小型五金企業一般指資產規模不大、產品的生產工藝和產品結構及所耗原材料大致相同的、管理(含財務人員)較少的五金企業，組織體系通常利用垂直式管理體系，管理跨度較小。中小型五金企業因數量眾多而在國民經濟中起著重要的作用。中小五金企業成本核算的重要性中小型五金企業一般指資產規模不大、產品的生產工藝和產品結構及所耗原材料大致相同的、管理(含財務人員)較少的五金企業，組織體系通常利用垂直式管理體系，管理跨度較小。
新聞:新市區ATM機專用步進電機57BYGH56-1006A
無刷直流電機因為具有直流有刷電機的特性,同時也是頻率變化的裝置,所以又名直流變頻,通用名詞為BLDC.無刷直流電機的運轉效率,低速轉矩,轉速精度等都比任何控制技術的變頻器還要好,所以值得業界關注.本產品已經生產超過55kW,可設計到400kW,可以解決產業界節電與高性能驅動的需求。 無刷電機有什么特點？
優點：
a) 電子換向來代替傳統的機械換向，性能可靠、永無磨損、故障率低，壽命比有刷電機提高了約6倍，代表了電動車的發展方向；
b) 屬靜態電機，空載電流小；
c) 效率高；
d) 體積小。
缺點：
a) 低速起動時有輕微振動，如速度加大換相頻率增大，就感覺不到振動現象了；
新聞:新市區ATM機專用步進電機57BYGH56-1006A
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新聞:新市區ATM機專用步進電機57BYGH56-1006A
