RS44AXLC
RS44AXLD
主要產(chǎn)品：韓國(guó)SPG小功率馬達(dá)，奧托尼克斯Autonics ，愛德利，倍加福P+F編碼器，多摩川TAMAGAWA，光洋koyo，萊茵LINE，內(nèi)密控NEMICON，歐姆龍OMRON，森泰克SUMTAK。日本東方馬達(dá)，韓國(guó)DKM減速電機(jī)，泰映TROY減速電機(jī)， CPG晟邦減速電機(jī) ...
減速機(jī)技術(shù)資料：
直流電機(jī)的勵(lì)磁方式是指對(duì)勵(lì)磁繞組如何供電、產(chǎn)生勵(lì)磁磁通勢(shì)而建立主磁場(chǎng)的問題。根據(jù)勵(lì)磁方式的不同，直流電機(jī)可分為下列幾種類型。
1．他勵(lì)直流電機(jī)
勵(lì)磁繞組與電樞繞組無聯(lián)接關(guān)系，而由其他直流電源對(duì)勵(lì)磁繞組供電的直流電機(jī)稱為他勵(lì)直流電機(jī)。永磁直流電機(jī)也可看作他勵(lì)直流電機(jī)。
2．并勵(lì)直流電機(jī)
并勵(lì)直流電機(jī)的勵(lì)磁繞組與電樞繞組相并聯(lián)，接線如圖（b）所示。作為并勵(lì)發(fā)電機(jī)來說，是電機(jī)本身發(fā)出來的端電壓為勵(lì)磁繞組供電；作為并勵(lì)電動(dòng)機(jī)來說，勵(lì)磁繞組與電樞共用同一電源，從性能上講與他勵(lì)直流電動(dòng)機(jī)相同。
3．串勵(lì)直流電機(jī)
串勵(lì)直流電機(jī)的勵(lì)磁繞組與電樞繞組串聯(lián)后，再接于直流電源，接線如圖（c）所示。這種直流電機(jī)的勵(lì)磁電流就是電樞電流。
4．復(fù)勵(lì)直流電機(jī)
復(fù)勵(lì)直流電機(jī)有并勵(lì)和串勵(lì)兩個(gè)勵(lì)磁繞組，接線如圖（d）所示。若串勵(lì)繞組產(chǎn)生的磁通勢(shì)與并勵(lì)繞組產(chǎn)生的磁通勢(shì)方向相同稱為積復(fù)勵(lì)。若兩個(gè)磁通勢(shì)方向相反，則稱為差復(fù)勵(lì)。
不同勵(lì)磁方式的直流電機(jī)有著不同的特性。一般情況直流電動(dòng)機(jī)的主要?jiǎng)?lì)磁方式是并勵(lì)式、串勵(lì)式和復(fù)勵(lì)式，直流發(fā)電機(jī)的主要?jiǎng)?lì)磁方式是他勵(lì)式、并勵(lì)式和和復(fù)勵(lì)式。
直流電動(dòng)機(jī)的特點(diǎn)
(一)調(diào)速性能好。所謂“調(diào)速性能”，是指電動(dòng)機(jī)在一定負(fù)載的條件下，根據(jù)需要，人為地改變電動(dòng)機(jī)的轉(zhuǎn)速。直流電動(dòng)機(jī)可以在重負(fù)載條件下，實(shí)現(xiàn)均勻、平滑的無級(jí)調(diào)速，而且調(diào)速范圍較寬。
(二)起動(dòng)力矩大？梢跃鶆蚨(jīng)濟(jì)地實(shí)現(xiàn)轉(zhuǎn)速調(diào)節(jié)。因此，凡是在重負(fù)載下起動(dòng)或要求均勻調(diào)節(jié)轉(zhuǎn)速的機(jī)械，例如大型可逆軋鋼機(jī)、卷揚(yáng)機(jī)、電力機(jī)車、電車等，都用直流電動(dòng)機(jī)拖動(dòng)。
大致應(yīng)用了“通電導(dǎo)體在磁場(chǎng)中受力的作用”的原理，勵(lì)磁線圈兩個(gè)端線同有相反方向的電流，使整個(gè)線圈產(chǎn)生繞軸的扭力，使線圈轉(zhuǎn)動(dòng)。
要使電樞受到一個(gè)方向不變的電磁轉(zhuǎn)矩，關(guān)鍵在于：當(dāng)線圈邊在不同極性的磁極下，如何將流過線圈中的電流方向及時(shí)地加以變換， 即進(jìn)行所謂“換向”。 為此必須增添一個(gè)叫做換向器的裝置，換向器配合電刷可保證每個(gè)極下線圈邊中電流始終是一個(gè)方向，就可以使電動(dòng)機(jī)能連續(xù)的旋轉(zhuǎn),這就是直流電動(dòng)機(jī)的工作原理
直流電動(dòng)機(jī)的構(gòu)造
分為兩部分：定子與轉(zhuǎn)子。記住定子與轉(zhuǎn)子都是由那幾部分構(gòu)成的，注意：不要把換向極與換向器弄混淆了，記住他們兩個(gè)的作用。
定子包括：主磁極，機(jī)座，換向極，電刷裝置等。
轉(zhuǎn)子包括：電樞鐵芯，電樞繞組，換向器，軸和風(fēng)扇等。
直流電動(dòng)機(jī)四種勵(lì)磁方式各自的特點(diǎn)
直流電動(dòng)機(jī)的性能與它的勵(lì)磁方式密切相關(guān)，通常直流電動(dòng)機(jī)的勵(lì)磁方式有4種：直流他勵(lì)電動(dòng)機(jī)、直流并勵(lì)電動(dòng)機(jī)、直流串勵(lì)電動(dòng)機(jī)和直流復(fù)勵(lì)電動(dòng)機(jī)。掌握4種方式各自的特點(diǎn)：
1,直流他勵(lì)電動(dòng)機(jī):
勵(lì)磁繞組與電樞沒有電的聯(lián)系，勵(lì)磁電路是由另外直流電源供給的。因此勵(lì)磁電流不受電樞端電壓或電樞電流的影響。
2,直流并勵(lì)電動(dòng)機(jī):
并勵(lì)繞組兩端電壓就是電樞兩端電壓，但是勵(lì)磁繞組用細(xì)導(dǎo)線繞成，其匝數(shù)很多，因此具有較大的電阻，使得通過他的勵(lì)磁電流較小。
3,直流串勵(lì)電動(dòng)機(jī)：
勵(lì)磁繞組是和電樞串聯(lián)的，所以這種電動(dòng)機(jī)內(nèi)磁場(chǎng)隨著電樞電流的改變有顯著的變化。為了使勵(lì)磁繞組中不致引起大的損耗和電壓降，勵(lì)磁繞組的電阻越小越好，所以直流串勵(lì)電動(dòng)機(jī)通常用較粗的導(dǎo)線繞成，他的匝數(shù)較少。
4,直流復(fù)勵(lì)電動(dòng)機(jī)：
電動(dòng)機(jī)的磁通由兩個(gè)繞組內(nèi)的勵(lì)磁電流產(chǎn)生。
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