IC1D1A1AWS
IC1D1A1AWS
IC1D1A1AWS
《聯(lián)系人;歐先生》
將數(shù)控技術(shù)運(yùn)用于蝸桿銑齒機(jī),如圖2所示,其工作過(guò)程是:加工程序經(jīng)數(shù)控系統(tǒng)運(yùn)行,對(duì)各軸發(fā)出運(yùn)動(dòng)指令,經(jīng)過(guò)伺服驅(qū)動(dòng)器控制各軸伺服電機(jī)運(yùn)轉(zhuǎn)。
數(shù)控蝸桿銑齒機(jī)的工作原理:伺服主軸電機(jī)2接受到運(yùn)動(dòng)指令,進(jìn)行旋轉(zhuǎn),帶動(dòng)工件旋轉(zhuǎn)或定向、分度等位移,根據(jù)蝸桿螺距與頭數(shù)不同,系統(tǒng)根據(jù)程序發(fā)出相應(yīng)的指令。同時(shí),進(jìn)給電機(jī)8帶動(dòng)滾珠絲杠副7轉(zhuǎn)動(dòng),使刀架做前后位移(進(jìn)刀或退刀),主軸旋轉(zhuǎn)時(shí),刀架旋轉(zhuǎn)伺服電機(jī)5接收運(yùn)動(dòng)指令,進(jìn)行旋轉(zhuǎn)與主軸做插補(bǔ)運(yùn)動(dòng),帶動(dòng)刀架快速轉(zhuǎn)動(dòng)或勻速轉(zhuǎn)動(dòng),快速轉(zhuǎn)動(dòng)一個(gè)角度,當(dāng)銑刀Ⅰ接近工件時(shí),勻速轉(zhuǎn)動(dòng),進(jìn)行螺旋槽一側(cè)的切削加工,刀具轉(zhuǎn)過(guò)固定的角度離開(kāi)工件,刀架開(kāi)始做快速轉(zhuǎn)動(dòng),當(dāng)轉(zhuǎn)過(guò)固定角度,銑刀Ⅱ接近工件時(shí),勻速轉(zhuǎn)動(dòng),進(jìn)行螺旋槽另一側(cè)的切削加工,刀具轉(zhuǎn)過(guò)固定的角度離開(kāi)工件,刀架開(kāi)始做快速轉(zhuǎn)動(dòng),當(dāng)轉(zhuǎn)過(guò)固定角度,銑刀Ⅲ接近工件時(shí),勻速轉(zhuǎn)動(dòng),進(jìn)行螺旋槽底部的切削加工,當(dāng)?shù)毒咿D(zhuǎn)過(guò)固定的角度離開(kāi)工件,第一次切削加工結(jié)束,信號(hào)開(kāi)關(guān)10將取到刀架旋轉(zhuǎn)一周的信號(hào),送入系統(tǒng),系統(tǒng)將發(fā)出進(jìn)刀指令,進(jìn)行下次切削加工
《座機(jī):0592-5709825》
《傳真:0592-5917519》
《24小時(shí)熱線(xiàn):18030229053微信同步》
《QQ :2479261344》
《QQ郵箱:2479261344@qq.com》
其數(shù)控系統(tǒng)的控制工作過(guò)程為:程序在數(shù)控系統(tǒng)運(yùn)行,由運(yùn)動(dòng)指令控制各軸移動(dòng)或旋轉(zhuǎn),具體完成過(guò)程如圖3所示,數(shù)控系統(tǒng)發(fā)出指令給伺服驅(qū)動(dòng)器,伺服驅(qū)動(dòng)器驅(qū)動(dòng)伺服電機(jī)運(yùn)轉(zhuǎn),通過(guò)旋轉(zhuǎn)編碼器將位移反饋回驅(qū)動(dòng)器進(jìn)行比對(duì),再有驅(qū)動(dòng)器將信息返回系統(tǒng),以保證位移的準(zhǔn)確,從而保證加工精度。
(單頭蝸桿);雙頭蝸桿時(shí),系統(tǒng)在接收到刀架旋轉(zhuǎn)一周的信號(hào)時(shí),將發(fā)出指令,讓主軸分度,然后,與刀架進(jìn)行插補(bǔ)運(yùn)動(dòng),加工第二條螺旋線(xiàn),當(dāng)?shù)都苄D(zhuǎn)一周后,向系統(tǒng)發(fā)出信號(hào),系統(tǒng)將發(fā)出進(jìn)刀指令,進(jìn)行下次切削加工,如此重復(fù),直到螺旋槽加工深度到位。該工件加工完成。
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