刀(dao)(dao)(dao)架(jia)是廣(guang)東(dong)(dong)(dong)數(shu)(shu)控(kong)(kong)車(che)床(chuang)(chuang)的(de)重要部件,它安裝各種切削加工(gong)(gong)刀(dao)(dao)(dao)具,其結構直接(jie)影響機床(chuang)(chuang)的(de)切削性(xing)能和工(gong)(gong)作效率。廣(guang)東(dong)(dong)(dong)數(shu)(shu)控(kong)(kong)車(che)床(chuang)(chuang)的(de)刀(dao)(dao)(dao)架(jia)分為轉(zhuan)(zhuan)塔式(shi)和排刀(dao)(dao)(dao)式(shi)刀(dao)(dao)(dao)架(jia)兩大類(lei)。轉(zhuan)(zhuan)塔式(shi)刀(dao)(dao)(dao)架(jia)是普遍(bian)采用的(de)刀(dao)(dao)(dao)架(jia)形式(shi),它通過(guo)轉(zhuan)(zhuan)塔頭的(de)旋轉(zhuan)(zhuan)、分度、定(ding)位來實現機床(chuang)(chuang)的(de)自動換刀(dao)(dao)(dao)工(gong)(gong)作。兩坐標連(lian)續控(kong)(kong)制的(de)廣(guang)東(dong)(dong)(dong)數(shu)(shu)控(kong)(kong)車(che)床(chuang)(chuang),一般都采用 6~12 工(gong)(gong)位轉(zhuan)(zhuan)塔式(shi)刀(dao)(dao)(dao)架(jia)。排刀(dao)(dao)(dao)式(shi)刀(dao)(dao)(dao)架(jia)主(zhu)要用于(yu)小(xiao)型廣(guang)東(dong)(dong)(dong)數(shu)(shu)控(kong)(kong)車(che)床(chuang)(chuang),適用于(yu)短(duan)軸或套類(lei)零件加工(gong)(gong)。
廣東(dong)數控(kong)車床的(de)出(chu)現對提(ti)(ti)(ti)高(gao)生產率將產品質(zhi)量(liang)以及改善勞動條件和提(ti)(ti)(ti)效率上發(fa)揮了(le)重要的(de)作用。在提(ti)(ti)(ti)效率上主要表現在兩個方面(mian):
1) 通過刀具的(de)快速(su)自動定(ding)位,提高了空(kong)程速(su)度和(he)劃線工(gong)藝(yi)的(de)時間(jian)。
2)批(pi)量加(jia)工(gong)(gong)一致性(xing)好,可(ke)以(yi)減少工(gong)(gong)件(jian)檢驗和(he)(he)時(shi)(shi)(shi)間。特別(bie)是經(jing)濟型老車(che)床(chuang)對(dui)刀(dao)(dao)(dao)等還 需要手動完(wan)成(cheng),以(yi)及在(zai)加(jia)工(gong)(gong)一個零(ling)件(jian)過(guo)程(cheng)中(zhong)(zhong),更(geng)換(huan)(huan)(huan)刀(dao)(dao)(dao)具(ju),裝卸零(ling)件(jian),測量和(he)(he)搬(ban)運零(ling)件(jian)用(yong)于(yu)大部分時(shi)(shi)(shi)間占輔(fu)助時(shi)(shi)(shi)間長(chang)的(de)刀(dao)(dao)(dao)具(ju)交換(huan)(huan)(huan)和(he)(he)刀(dao)(dao)(dao)具(ju)尺寸調整。加(jia) 工(gong)(gong)時(shi)(shi)(shi)間相(xiang)對(dui)較短,為縮(suo)短加(jia)工(gong)(gong)輔(fu)助時(shi)(shi)(shi)間,充分發(fa)揮廣(guang)(guang)東數(shu)(shu)控(kong)車(che)床(chuang)的(de)功能(neng),進一步(bu)(bu)壓(ya)縮(suo)非切削時(shi)(shi)(shi)間,數(shu)(shu)控(kong)機床(chuang)正朝(chao)著一臺機床(chuang)在(zai)一次裝夾中(zhong)(zhong)完(wan)成(cheng)多工(gong)(gong)序(xu)(xu)加(jia)工(gong)(gong)的(de)發(fa)展方向。在(zai)這類(lei)多工(gong)(gong)序(xu)(xu)的(de)廣(guang)(guang)東數(shu)(shu)控(kong)車(che)床(chuang)中(zhong)(zhong)必須帶有自動換(huan)(huan)(huan)刀(dao)(dao)(dao)裝置,在(zai)多工(gong)(gong)序(xu)(xu)數(shu)(shu)控(kong)機床(chuang)出(chu)現(xian)之后.又逐步(bu)(bu)發(fa)展和(he)(he)完(wan)善了各類(lei)回(hui)轉刀(dao)(dao)(dao)具(ju)的(de)自動更(geng)換(huan)(huan)(huan)裝置,擴大了換(huan)(huan)(huan)刀(dao)(dao)(dao)數(shu)(shu)量,以(yi)便有可(ke)能(neng)實現(xian)更(geng)復雜的(de)換(huan)(huan)(huan)刀(dao)(dao)(dao)操作(zuo),在(zai)自動換(huan)(huan)(huan)刀(dao)(dao)(dao)數(shu)(shu)控(kong)機床(chuang)上,自動換(huan)(huan)(huan)刀(dao)(dao)(dao)裝置應滿足換(huan)(huan)(huan)刀(dao)(dao)(dao)時(shi)(shi)(shi)間短,刀(dao)(dao)(dao)具(ju)重復定位(wei)精(jing)度高(gao),足夠的(de)刀(dao)(dao)(dao)具(ju)儲存量,換(huan)(huan)(huan)刀(dao)(dao)(dao)ān quán可(ke)靠等要求。
因為廣東數控車床帶有了自動換刀的裝置,多道工序出現后企業逐漸完善了自動裝置,所以自動回轉刀架在廣東數控車床的運用已經游刃有余,達到了我們主要的目標,提高了生產效率。 //taomeizhuang.cn/