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以下是:湖北武漢槽鋼H型鋼材質實在的圖文介紹
中環貿易(武(wu)漢市分公司)專業生產 工字鋼(gang),品(pin)質(zhi)保證,精品(pin)齊全,品(pin)質(zhi)保障(zhang),值得信賴(lai),可根(gen)據客(ke)戶(hu)要(yao)求定制加工,其他型號齊全客(ke)戶(hu)隨意挑(tiao)選(xuan)。
3、通過對各(ge)規格槽鋼(gang)(gang)實際(ji)剪(jian)切質量(liang)和剪(jian)切間(jian)隙(xi)進行數據(ju)回(hui)歸分析,制定了每種規格的剪(jian)切間(jian)隙(xi)規范(fan),具體(ti)為:63#槽鋼(gang)(gang)為0.20~0.30mm、80#槽鋼(gang)(gang)為0.20~0.35mm、100#槽鋼(gang)(gang)為0.25~0.35mm,120#槽鋼(gang)(gang)為0.25~0.40mm,并做(zuo)出(chu)厚度為0.20~1.00mm的不同墊片(pian)。每次更換(huan)剪(jian)刃時(shi),先(xian)測量(liang)間(jian)隙(xi),再選擇(ze)相應的墊片(pian),確(que)保剪(jian)切間(jian)隙(xi)控制在工(gong)藝要求范(fan)圍內
鋼(gang)(gang)(gang)(gang)剪(jian)(jian)刃(ren)(ren)設計的(de)基本依據是(shi)槽鋼(gang)(gang)(gang)(gang)成(cheng)品孔型形狀,如圖(tu)1所(suo)示(以100#槽鋼(gang)(gang)(gang)(gang)為(wei)例)。這種(zhong)設計在剪(jian)(jian)切(qie)(qie)過程(cheng)中易出(chu)現(xian)(xian)(xian)(xian)以下問題:一(yi)是(shi)槽鋼(gang)(gang)(gang)(gang)兩(liang)肩部(bu)(bu)(bu)與其他部(bu)(bu)(bu)分(fen)相(xiang)(xiang)比,相(xiang)(xiang)對(dui)較(jiao)(jiao)厚,所(suo)需剪(jian)(jian)切(qie)(qie)力也較(jiao)(jiao)大(da),剪(jian)(jian)刃(ren)(ren)磨(mo)損(sun)較(jiao)(jiao)快,剪(jian)(jian)刃(ren)(ren)使(shi)用一(yi)段時(shi)(shi)間(jian)后(hou)。這一(yi)部(bu)(bu)(bu)分(fen)相(xiang)(xiang)對(dui)磨(mo)損(sun)量大(da),致使(shi)肩部(bu)(bu)(bu)間(jian)隙較(jiao)(jiao)大(da),易出(chu)現(xian)(xian)(xian)(xian)塌肩現(xian)(xian)(xian)(xian)象;二是(shi)槽鋼(gang)(gang)(gang)(gang)兩(liang)腿(tui)(tui)與腰部(bu)(bu)(bu)處相(xiang)(xiang)比,由于剪(jian)(jian)切(qie)(qie)角(jiao)度的(de)影響,當(dang)剪(jian)(jian)刃(ren)(ren)磨(mo)損(sun)后(hou),在剪(jian)(jian)切(qie)(qie)兩(liang)腿(tui)(tui)時(shi)(shi),剪(jian)(jian)切(qie)(qie)量變(bian)小,腿(tui)(tui)部(bu)(bu)(bu)剪(jian)(jian)切(qie)(qie)由通常的(de)剪(jian)(jian)斷變(bian)成(cheng)了撕斷,槽鋼(gang)(gang)(gang)(gang)腿(tui)(tui)端面(mian)極(ji)(ji)易出(chu)現(xian)(xian)(xian)(xian)毛刺;三(san)是(shi)上、下剪(jian)(jian)刃(ren)(ren)腿(tui)(tui)部(bu)(bu)(bu)斜(xie)度與槽鋼(gang)(gang)(gang)(gang)成(cheng)品孔型基本一(yi)致,這樣在剪(jian)(jian)切(qie)(qie)時(shi)(shi)腿(tui)(tui)部(bu)(bu)(bu)基本同時(shi)(shi)受力,剪(jian)(jian)切(qie)(qie)力較(jiao)(jiao)大(da),剪(jian)(jian)刃(ren)(ren)磨(mo)損(sun)較(jiao)(jiao)快,一(yi)方面(mian)腿(tui)(tui)端剪(jian)(jian)切(qie)(qie)壓痕嚴重,另一(yi)方面(mian)剪(jian)(jian)刃(ren)(ren)老化后(hou),極(ji)(ji)易出(chu)現(xian)(xian)(xian)(xian)槽鋼(gang)(gang)(gang)(gang)剪(jian)(jian)切(qie)(qie)部(bu)(bu)(bu)分(fen)撕裂、毛刺較(jiao)(jiao)多的(de)現(xian)(xian)(xian)(xian)象。后(hou)兩(liang)點是(shi)影響槽鋼(gang)(gang)(gang)(gang)剪(jian)(jian)切(qie)(qie)質量的(de)主要原因。