縱(zong)切機床對(dui)刀(dao)(dao)的(de)原理對(dui)于(yu)沈陽數控機床而(er)(er)言,零件(jian)加(jia)(jia)工(gong)之前最關鍵的(de)一(yi)個操(cao)作就(jiu)是(shi)保證刀(dao)(dao)具與工(gong)件(jian)加(jia)(jia)工(gong)位置的(de)正確性,即對(dui)刀(dao)(dao)操(cao)作。對(dui)刀(dao)(dao)的(de)目的(de)是(shi)確定對(dui)刀(dao)(dao)點(dian)(dian)(dian)(dian)(或工(gong)件(jian)原點(dian)(dian)(dian)(dian))在(zai)機床坐標(biao)系中的(de)坐標(biao)值(zhi)。而(er)(er)對(dui)刀(dao)(dao)過(guo)程(cheng)就(jiu)是(shi)將刀(dao)(dao)位點(dian)(dian)(dian)(dian)與對(dui)刀(dao)(dao)點(dian)(dian)(dian)(dian)重(zhong)合,刀(dao)(dao)位點(dian)(dian)(dian)(dian)是(shi)刀(dao)(dao)具上的(de)一(yi)個定位基準點(dian)(dian)(dian)(dian),對(dui)于(yu)車刀(dao)(dao)而(er)(er)言,一(yi)般就(jiu)是(shi)刀(dao)(dao)尖(jian);對(dui)刀(dao)(dao)點(dian)(dian)(dian)(dian)往往就(jiu)是(shi)工(gong)件(jian)的(de)加(jia)(jia)工(gong)原點(dian)(dian)(dian)(dian),只(zhi)要在(zai)機床加(jia)(jia)工(gong)允許范(fan)圍內,都可以進行(xing)選取。
數控(kong)機床(chuang)(chuang)(chuang)外(wai)圓磨床(chuang)(chuang)(chuang)、螺(luo)紋磨床(chuang)(chuang)(chuang)、拉(la)刀磨床(chuang)(chuang)(chuang)、龍門刨床(chuang)(chuang)(chuang)和龍門銑床(chuang)(chuang)(chuang)等(deng)作業(ye)(ye)臺(tai)移(yi)動時傾斜度(du)差錯的檢查,在作業(ye)(ye)臺(tai)基地(di),筆直(zhi)于作業(ye)(ye)臺(tai)移(yi)動方向放置一個水(shui)平儀(假如磨床(chuang)(chuang)(chuang)是斜臺(tai)面(mian),水(shui)平儀應放在專(zhuan)用墊板上(shang))。代(dai)理移(yi)動作業(ye)(ye)臺(tai),每(mei)隔250mm(或(huo)(huo)500mm、或(huo)(huo)小(xiao)于此值)記(ji)載(zai)一次讀(du)數,短(duan)床(chuang)(chuang)(chuang)身(shen)在作業(ye)(ye)臺(tai)悉數行(xing)程上(shang)至少記(ji)載(zai)三個讀(du)數。水(shui)平儀在1000mm行(xing)程上(shang)和悉數行(xing)程上(shang)讀(du)數的大(da)代(dai)數差,即是作業(ye)(ye)臺(tai)移(yi)動時的傾斜度(du)差錯。
沈陽機床進(jin)(jin)(jin)(jin)口(kou)運轉(zhuan)中(zhong)注意事(shi)項(xiang) 1、在(zai)刨(bao)削(xue)行程范(fan)圍內,前后不(bu)(bu)得(de)站(zhan)人,不(bu)(bu)準將頭(tou)、手伸(shen)到牛頭(tou)前觀察(cha)切削(xue)部(bu)分和(he)刀(dao)具,未(wei)停穩(wen)前,不(bu)(bu)準測量(liang)(liang)工(gong)(gong)件(jian)或清除(chu)切屑。2、吃刀(dao)量(liang)(liang)和(he)進(jin)(jin)(jin)(jin)刀(dao)量(liang)(liang)要適當(dang),進(jin)(jin)(jin)(jin)刀(dao)前應使(shi)刨(bao)刀(dao)緩慢接近工(gong)(gong)件(jian)。3、刨(bao)床必須先運轉(zhuan)后方準吃刀(dao)或進(jin)(jin)(jin)(jin)刀(dao),在(zai)刨(bao)削(xue)進(jin)(jin)(jin)(jin)行中(zhong)欲使(shi)刨(bao)床停止運轉(zhuan)時(shi)(shi),應先將刨(bao)床退離工(gong)(gong)件(jian)。4、運轉(zhuan)速度(du)穩(wen)定時(shi)(shi),滑動軸承溫(wen)升不(bu)(bu)應超過60℃,滾動軸承溫(wen)升不(bu)(bu)應超過80℃。5、進(jin)(jin)(jin)(jin)行龍門刨(bao)床工(gong)(gong)作臺行程調(diao)整時(shi)(shi),必須停機,行程時(shi)(shi)兩端余量(liang)(liang)不(bu)(bu)得(de)少(shao)于0.45m。6、經常(chang)檢查刀(dao)具、工(gong)(gong)件(jian)的固定情(qing)況和(he)機床各(ge)部(bu)件(jian)的運轉(zhuan)是否正常(chang)。
沈(shen)(shen)陽機床(chuang)主軸進(jin)口可(ke)選擇軸優(you)化(hua)軟(ruan)件“IBN-TOOL”對(dui)各軸進(jin)行優(you)化(hua) 沈(shen)(shen)陽機床(chuang)“IBN-TOOLu可(ke)裝在(zai)MMC 102或(huo)安裝在(zai)PG740上(shang)。以往在(zai)模擬驅動上(shang)做軸優(you)化(hua)時,還要(yao)借(jie)助于示(shi)波器來觀察驅動和沈(shen)(shen)陽機床(chuang)電動機和機械負載(zai)時的階(jie)躍響應(ying)。但在(zai)611D上(shang),只要(yao)有“IBIV-TOOL”這個軟(ruan)件就可(ke)以在(zai)MMC102或(huo)在(zai)PG740上(shang)對(dui)各軸的速度環(huan),位置環(huan)進(jin)行頻率補償(chang)(用低通(tong)或(huo)帶通(tong)濾波器)及軸的優(you)化(hua),從而(er)(er)獲得一個盡可(ke)能(neng)理想(xiang)的階(jie)躍相(xiang)應(ying)曲線(xian),而(er)(er)無需示(shi)渡器的幫(bang)助,這在(zai)調試現場(chang)是非常有益的。
用光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)作比照(zhao)檢(jian)(jian)查時(shi)(shi)(shi),將一(yi)根兩(liang)頭(tou)帶莫氏(shi)錐(zhui)度(du)(du)(du)的(de)(de)查驗棒,一(yi)端(duan)刺進光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)主軸(zhou)錐(zhui)孔中嚴(yan)密(mi)配合,另(ling)一(yi)端(duan)嚴(yan)密(mi)地刺進被檢(jian)(jian)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)主軸(zhou)錐(zhui)孔中,使兩(liang)個分(fen)(fen)(fen)度(du)(du)(du)頭(tou)連成一(yi)體。被檢(jian)(jian)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)與(yu)光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)主軸(zhou)基地不等高(gao)時(shi)(shi)(shi)應調整墊(dian)平。脫(tuo)開(kai)光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)的(de)(de)手搖分(fen)(fen)(fen)度(du)(du)(du)組織,滾動(dong)被檢(jian)(jian)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)的(de)(de)手柄,北京進口(kou)車床使被檢(jian)(jian)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)滾動(dong),一(yi)起經(jing)過查驗棒可股動(dong)光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)滾動(dong)。當被檢(jian)(jian)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)斷定在開(kai)始(shi)(shi)方位時(shi)(shi)(shi),記(ji)下(xia)光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)滾動(dong)。當被檢(jian)(jian)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)斷定在開(kai)始(shi)(shi)方位時(shi)(shi)(shi),記(ji)下(xia)光學(xue)(xue)分(fen)(fen)(fen)度(du)(du)(du)頭(tou)開(kai)始(shi)(shi)方位的(de)(de)讀數(shu)值(zhi)。
近來,在(zai)第十四屆我(wo)國國際機(ji)床(chuang)(chuang)展(zhan)新聞發(fa)布(bu)會(hui)上,我(wo)國機(ji)床(chuang)(chuang)東西協會(hui)負責人直言,2014年機(ji)床(chuang)(chuang)東西職(zhi)(zhi)業(ye)承壓運轉(zhuan),下行壓力進一(yi)步加大,上一(yi)年是十幾年來職(zhi)(zhi)業(ye)最難熬的(de)低谷(gu)。數據(ju)顯現,僅2014年12月(yue),全(quan)職(zhi)(zhi)業(ye)虧損(sun)公司占比31.9%,其(qi)間,金切機(ji)床(chuang)(chuang)更是高達(da)42.7%。機(ji)床(chuang)(chuang)職(zhi)(zhi)業(ye)結(jie)構水(shui)平(ping)低,“高端失守,低端混戰”,機(ji)床(chuang)(chuang)銷售是形成公司虧損(sun)的(de)首要原(yuan)因。