進口石(shi)墨材料(liao)批發優(you)勢(shi)
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2021-08-06 15:53:05

石(shi)墨放(fang)電(dian)比(bi)銅(tong)快2-3倍(bei),資料(liao)不(bu)易(yi)變(bian)形(xing),在(zai)薄筋(jin)電極的加(jia)工(gong)上(shang)優勢(shi)明顯,銅(tong)的軟(ruan)化點在(zai)1000度(du)左(zuo)右,簡(jian)單因受熱(re)而產(chan)生(sheng)變(bian)形(xing),石(shi)墨的提(ti)高(gao)溫度(du)為(wei)3650度(du)左(zuo)右,相(xiang)比(bi)而言(yan),石(shi)墨資料(liao)熱(re)膨(peng)脹(zhang)系數(shu)只要(yao)銅(tong)材的1/30;
二(er)、重(zhong)量(liang)輕;
石(shi)墨的密(mi)度(du)只(zhi)要(yao)銅(tong)的1/5,大(da)型(xing)電(dian)極進行放(fang)電(dian)加(jia)工(gong)時(shi),能(neng)有效降(jiang)低(di)機床(chuang)(EDM)的擔(dan)負(fu),更適用於大(da)型(xing)模(mo)具(ju)的應(ying)用;
三、損耗(hao)小;
由於火(huo)花(hua)油中含有C原(yuan)子,在(zai)放(fang)電(dian)加(jia)工(gong)時(shi),高(gao)溫導致(zhi)火(huo)花(hua)油中的C原(yuan)子被(bei)分(fen)解(jie)出(chu)來,而在(zai)石(shi)墨電極的表(biao)面形(xing)成(cheng)保護膜(mo),補償(chang)了(le)石(shi)墨電極的損耗(hao);
四(si)、無(wu)毛(mao)刺;
銅(tong)電極在(zai)加工(gong)結束(shu)後,還(hai)需手(shou)藝進行去(qu)除毛(mao)刺,而石(shi)墨加工(gong)後(hou)沒(mei)有毛(mao)刺,這(zhe)不(bu)但(dan)節約了大(da)量(liang)的成(cheng)本(ben)和(he)人力(li),壹起更簡(jian)單(dan)實現自動(dong)化生產(chan);
五(wu)、易拋光;
由於石(shi)墨的切(qie)削阻(zu)力(li)只(zhi)要(yao)銅(tong)材的1/5,操作上(shang)更簡(jian)單(dan)進行手(shou)藝研磨(mo)和(he)拋光;
六(liu)、成(cheng)本(ben)低(di);
由於近(jin)幾(ji)年銅(tong)材價格(ge)不(bu)斷(duan)上(shang)漲,如(ru)今(jin),各方面同(tong)性(xing)石(shi)墨的價(jia)格(ge)比(bi)銅(tong)的更(geng)低(di);相(xiang)同(tong)體(ti)積(ji)下東(dong)瀛(ying)碳素的普(pu)遍(bian)性(xing),石(shi)墨產品的價(jia)格(ge)比(bi)銅(tong)低百(bai)分(fen)之三十(shi)到六(liu)十(shi),價(jia)格(ge)比(bi)較穩定(ding),短期價格(ge)波(bo)動(dong)相(xiang)對來講比(bi)較小。
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