Thorlabs的(de)(de)(de)(de)音(yin)圈(quan)電(dian)(dian)機(ji)(ji)適合(he)要求高速(su)或高加速(su)度(du)定位(wei)的(de)(de)(de)(de)應(ying)用。這些直線(xian)音(yin)圈(quan)電(dian)(dian)機(ji)(ji)由線(xian)圈(quan)和磁體組成,產生線(xian)性力(li)(li),同時(shi)避(bi)免了移動(dong)部分與固(gu)定部分之間(jian)的(de)(de)(de)(de)接觸。音(yin)圈(quan)電(dian)(dian)機(ji)(ji)將電(dian)(dian)信號直接轉化成線(xian)性磁力(li)(li),與需要皮帶(dai)或齒輪(lun)等單獨的(de)(de)(de)(de)傳(chuan)動(dong)系統(tong)的(de)(de)(de)(de)DC電(dian)(dian)機(ji)(ji)相比,音(yin)圈(quan)電(dian)(dian)機(ji)(ji)可(ke)以提(ti)供更高純(chun)度(du)的(de)(de)(de)(de)運動(dong)。與位(wei)置(zhi)傳(chuan)感器配合(he)使用時(shi),音(yin)圈(quan)電(dian)(dian)機(ji)(ji)提(ti)供快速(su)準(zhun)確(que)的(de)(de)(de)(de)運動(dong),且可(ke)重復性高。電(dian)(dian)壓(ya)(ya)的(de)(de)(de)(de)極性決定了電(dian)(dian)機(ji)(ji)的(de)(de)(de)(de)移動(dong)方(fang)向(xiang)。如(ru)果(guo)將紅線(xian)用于正(zheng)電(dian)(dian)壓(ya)(ya),施加電(dian)(dian)流時(shi)磁體組件(jian)會伸出。雖然電(dian)(dian)機(ji)(ji)的(de)(de)(de)(de)位(wei)置(zhi)也(ye)會影響電(dian)(dian)機(ji)(ji)提(ti)供的(de)(de)(de)(de)力(li)(li),但(dan)可(ke)以通過將電(dian)(dian)流乘(cheng)以力(li)(li)常數估算這個力(li)(li)。
音圈(quan)(quan)電(dian)機(ji)兩(liang)端(duan)應該安(an)(an)裝(zhuang)牢固,這樣磁(ci)體組件(jian)(jian)(jian)就會懸(xuan)在音圈(quan)(quan)周圍而避(bi)免(mian)接觸(chu)。VC063/M和VC125/M磁(ci)體組件(jian)(jian)(jian)的(de)(de)(de)中心(xin)有(you)(you)一(yi)個M3盲孔(kong),而線圈(quan)(quan)組件(jian)(jian)(jian)的(de)(de)(de)中心(xin)是一(yi)個M3安(an)(an)裝(zhuang)孔(kong)。VC250/M、VC500/M和VC600/M磁(ci)體組件(jian)(jian)(jian)的(de)(de)(de)中心(xin)有(you)(you)一(yi)個M6盲孔(kong),而線圈(quan)(quan)組件(jian)(jian)(jian)的(de)(de)(de)中心(xin)是一(yi)個Ø6.35 mm通孔(kong),通孔(kong)兩(liang)邊各有(you)(you)一(yi)個M4安(an)(an)裝(zhuang)孔(kong)。這些安(an)(an)裝(zhuang)孔(kong)可用于(yu)我們的(de)(de)(de)直(zhi)角支(zhi)架(jia),以便將(jiang)音圈(quan)(quan)電(dian)機(ji)的(de)(de)(de)任一(yi)端(duan)固定(ding)在光學(xue)平臺或(huo)位移臺的(de)(de)(de)移動(dong)部分。所有(you)(you)型號(hao)的(de)(de)(de)音圈(quan)(quan)電(dian)機(ji)都有(you)(you)SM外螺紋(wen),用于(yu)安(an)(an)裝(zhuang)固定(ding)式光學(xue)元件(jian)(jian)(jian)安(an)(an)裝(zhuang)座或(huo)透鏡套管。
如果(guo)音圈電機的移動(dong)超過了建議(yi)的行程(cheng)范圍,則磁體組件(jian)可能會過度偏離(li)線圈組件(jian),從(cong)而無法(fa)維(wei)持適當的磁相互(hu)作用。在這種情(qing)況下(xia),電機的響應可能不會如預(yu)期一樣,所以須(xu)手動(dong)調(diao)回組件(jian)。