Thorlabs的(de)(de)音圈(quan)(quan)(quan)電(dian)(dian)(dian)(dian)機(ji)(ji)適合要求(qiu)高速或高加(jia)(jia)速度定位(wei)的(de)(de)應用。這(zhe)些直線音圈(quan)(quan)(quan)電(dian)(dian)(dian)(dian)機(ji)(ji)由線圈(quan)(quan)(quan)和(he)磁(ci)體(ti)組(zu)成,產生線性(xing)力(li),同時(shi)避免了移動(dong)部(bu)分與(yu)固定部(bu)分之間的(de)(de)接(jie)觸。音圈(quan)(quan)(quan)電(dian)(dian)(dian)(dian)機(ji)(ji)將電(dian)(dian)(dian)(dian)信號直接(jie)轉化成線性(xing)磁(ci)力(li),與(yu)需要皮(pi)帶或齒(chi)輪等單獨的(de)(de)傳動(dong)系統(tong)的(de)(de)DC電(dian)(dian)(dian)(dian)機(ji)(ji)相比(bi),音圈(quan)(quan)(quan)電(dian)(dian)(dian)(dian)機(ji)(ji)可以提供(gong)更高純(chun)度的(de)(de)運動(dong)。與(yu)位(wei)置(zhi)(zhi)傳感器配合使用時(shi),音圈(quan)(quan)(quan)電(dian)(dian)(dian)(dian)機(ji)(ji)提供(gong)快速準(zhun)確(que)的(de)(de)運動(dong),且可重復性(xing)高。電(dian)(dian)(dian)(dian)壓的(de)(de)極(ji)性(xing)決(jue)定了電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)移動(dong)方向。如果將紅(hong)線用于正電(dian)(dian)(dian)(dian)壓,施(shi)加(jia)(jia)電(dian)(dian)(dian)(dian)流(liu)時(shi)磁(ci)體(ti)組(zu)件會伸(shen)出。雖然電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)位(wei)置(zhi)(zhi)也會影響電(dian)(dian)(dian)(dian)機(ji)(ji)提供(gong)的(de)(de)力(li),但可以通過將電(dian)(dian)(dian)(dian)流(liu)乘以力(li)常(chang)數(shu)估算這(zhe)個力(li)。
音(yin)圈電機(ji)兩(liang)端應該(gai)安(an)裝(zhuang)(zhuang)牢固,這樣磁體組(zu)(zu)件(jian)(jian)(jian)就(jiu)會懸在音(yin)圈周圍(wei)而(er)避免接觸。VC063/M和VC125/M磁體組(zu)(zu)件(jian)(jian)(jian)的(de)(de)中(zhong)心(xin)有一個M3盲孔,而(er)線圈組(zu)(zu)件(jian)(jian)(jian)的(de)(de)中(zhong)心(xin)是(shi)一個M3安(an)裝(zhuang)(zhuang)孔。VC250/M、VC500/M和VC600/M磁體組(zu)(zu)件(jian)(jian)(jian)的(de)(de)中(zhong)心(xin)有一個M6盲孔,而(er)線圈組(zu)(zu)件(jian)(jian)(jian)的(de)(de)中(zhong)心(xin)是(shi)一個Ø6.35 mm通孔,通孔兩(liang)邊各有一個M4安(an)裝(zhuang)(zhuang)孔。這些安(an)裝(zhuang)(zhuang)孔可用于我們的(de)(de)直角(jiao)支架,以便將音(yin)圈電機(ji)的(de)(de)任一端固定在光學平臺(tai)或(huo)位移臺(tai)的(de)(de)移動(dong)部分。所(suo)有型號的(de)(de)音(yin)圈電機(ji)都(dou)有SM外螺紋,用于安(an)裝(zhuang)(zhuang)固定式(shi)光學元(yuan)件(jian)(jian)(jian)安(an)裝(zhuang)(zhuang)座或(huo)透鏡套(tao)管。
如果音圈(quan)電(dian)機(ji)的移動超過(guo)了(le)建議的行程(cheng)范(fan)圍,則(ze)磁體(ti)組(zu)件可能會過(guo)度偏離線圈(quan)組(zu)件,從(cong)而無法(fa)維持(chi)適當的磁相互作(zuo)用。在這種情況(kuang)下(xia),電(dian)機(ji)的響應可能不會如預期一樣,所以須手(shou)動調回組(zu)件。