1、Good is good, but better carries it.精益求精，善益求善。PM20L-020永磁式步進(jìn)電機(jī)Application應(yīng)用OAEquipment:Printers/Scanners辦公自動化設(shè)備：打印機(jī)、掃描儀等。Automotive:Meters汽車：儀表Referencecharacteristics參考參數(shù)MotorSize電機(jī)尺寸PM20L-020永磁式步進(jìn)電機(jī)NumberofStepsperRotation每周轉(zhuǎn)過步數(shù)20(18/Step)DriveMethod驅(qū)動方式2-2PHASEDriveCircuit驅(qū)動電路BIPOLARCONST.VOLT.Dr

2、iveVoltage驅(qū)動電壓12VCurrent/Phase相電流CoilResistance/Phase相電阻100DriveIC驅(qū)動芯片L293DMagnetMaterial磁性材料Nd-Fe-Bbondedmagnet(MS70)InsulationResistance絕緣阻抗100MMINDielectricStrengthAC500V1minClassofInsulation絕緣等級CLASSEOperatingTemp.工作溫度-1050StorageTemp.儲存溫度-3080OperatingHum.工作濕度20%RH90%RHPM20L-020BIPOLARCONST.VOL

3、T(at12V,100)Torquecharacteristics力矩級Thesetorquevaluesaregeneralreferencevalues.力矩值僅供參考。Whenusingmotors,factorssuchasheatradiationconditionsanddutyeffectheatrise,thereforepleaseselectmotorsafterconsideringtheheatconditionsintheactualequipment.當(dāng)使用電機(jī)時，一些因素如熱傳導(dǎo)及本身發(fā)熱會出現(xiàn)。所以請在考慮發(fā)熱條件后再在實際設(shè)備上應(yīng)用。Externalviewo

4、fmotorwithdimensions外形尺寸圖IfyouwouldliketoknowthisDimensions(D,S,W,),PleaseseeStanderdDimensionsinourHomePage.D.S.W請點擊標(biāo)準(zhǔn)外形現(xiàn)在比較常用的步進(jìn)電機(jī)包括反應(yīng)式步進(jìn)電機(jī)（VR）、永磁式步進(jìn)電機(jī)（PM）、混合式步進(jìn)電機(jī)（HB）和單相式步進(jìn)電機(jī)等。永磁式步進(jìn)電機(jī)一般為兩相，轉(zhuǎn)矩和體積較小，步進(jìn)角一般為7.5度或15度；反應(yīng)式步進(jìn)電機(jī)一般為三相，可實現(xiàn)大轉(zhuǎn)矩輸出，步進(jìn)角一般為1.5度，但噪聲和振動都很大。反應(yīng)式步進(jìn)電機(jī)的轉(zhuǎn)子磁路由軟磁材料制成，定子上有多相勵磁繞組，利用磁導(dǎo)的變化產(chǎn)生轉(zhuǎn)矩?；旌鲜讲竭M(jìn)電機(jī)是指混合了永磁式和反應(yīng)式的優(yōu)點。它又分為兩相