Thorlabs的(de)(de)(de)音(yin)圈(quan)電(dian)(dian)(dian)機(ji)(ji)適合要求高速(su)或(huo)高加(jia)(jia)速(su)度定(ding)位(wei)(wei)的(de)(de)(de)應用(yong)。這些直線(xian)(xian)(xian)音(yin)圈(quan)電(dian)(dian)(dian)機(ji)(ji)由線(xian)(xian)(xian)圈(quan)和磁體組(zu)成,產生線(xian)(xian)(xian)性力(li),同時避免(mian)了移(yi)動部(bu)分(fen)與固(gu)定(ding)部(bu)分(fen)之間的(de)(de)(de)接(jie)觸。音(yin)圈(quan)電(dian)(dian)(dian)機(ji)(ji)將(jiang)電(dian)(dian)(dian)信(xin)號(hao)直接(jie)轉化(hua)成線(xian)(xian)(xian)性磁力(li),與需要皮帶(dai)或(huo)齒輪等(deng)單獨的(de)(de)(de)傳(chuan)動系統(tong)的(de)(de)(de)DC電(dian)(dian)(dian)機(ji)(ji)相(xiang)比,音(yin)圈(quan)電(dian)(dian)(dian)機(ji)(ji)可以提(ti)供(gong)(gong)更高純度的(de)(de)(de)運動。與位(wei)(wei)置傳(chuan)感器(qi)配(pei)合使用(yong)時,音(yin)圈(quan)電(dian)(dian)(dian)機(ji)(ji)提(ti)供(gong)(gong)快速(su)準確的(de)(de)(de)運動,且(qie)可重(zhong)復性高。電(dian)(dian)(dian)壓(ya)的(de)(de)(de)極性決定(ding)了電(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)移(yi)動方向。如果(guo)將(jiang)紅線(xian)(xian)(xian)用(yong)于正電(dian)(dian)(dian)壓(ya),施加(jia)(jia)電(dian)(dian)(dian)流時磁體組(zu)件會伸(shen)出。雖然電(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)位(wei)(wei)置也會影響電(dian)(dian)(dian)機(ji)(ji)提(ti)供(gong)(gong)的(de)(de)(de)力(li),但可以通過將(jiang)電(dian)(dian)(dian)流乘以力(li)常數估算這個(ge)力(li)。
音(yin)圈(quan)(quan)(quan)電機(ji)兩端應該安(an)(an)裝牢固,這樣磁(ci)(ci)體組(zu)件(jian)就會懸在音(yin)圈(quan)(quan)(quan)周圍而(er)避免接觸(chu)。VC063/M和VC125/M磁(ci)(ci)體組(zu)件(jian)的(de)(de)(de)(de)中心有一個(ge)M3盲孔(kong)(kong),而(er)線圈(quan)(quan)(quan)組(zu)件(jian)的(de)(de)(de)(de)中心是一個(ge)M3安(an)(an)裝孔(kong)(kong)。VC250/M、VC500/M和VC600/M磁(ci)(ci)體組(zu)件(jian)的(de)(de)(de)(de)中心有一個(ge)M6盲孔(kong)(kong),而(er)線圈(quan)(quan)(quan)組(zu)件(jian)的(de)(de)(de)(de)中心是一個(ge)Ø6.35 mm通孔(kong)(kong),通孔(kong)(kong)兩邊各有一個(ge)M4安(an)(an)裝孔(kong)(kong)。這些(xie)安(an)(an)裝孔(kong)(kong)可用于我(wo)們的(de)(de)(de)(de)直角支(zhi)架,以便將音(yin)圈(quan)(quan)(quan)電機(ji)的(de)(de)(de)(de)任一端固定(ding)(ding)在光(guang)學(xue)平臺(tai)或(huo)位移臺(tai)的(de)(de)(de)(de)移動部分。所(suo)有型號的(de)(de)(de)(de)音(yin)圈(quan)(quan)(quan)電機(ji)都有SM外螺紋(wen),用于安(an)(an)裝固定(ding)(ding)式光(guang)學(xue)元件(jian)安(an)(an)裝座(zuo)或(huo)透(tou)鏡套管。
如(ru)果音圈(quan)電機(ji)的移動超過(guo)了建議(yi)的行程范(fan)圍,則磁體組(zu)件(jian)可(ke)能會過(guo)度偏(pian)離線圈(quan)組(zu)件(jian),從而無法維持(chi)適當的磁相互作用。在(zai)這種(zhong)情況下,電機(ji)的響應(ying)可(ke)能不會如(ru)預期一(yi)樣,所(suo)以須(xu)手動調回組(zu)件(jian)。
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