金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)片(pian)(pian)原材料(liao)(liao)(liao)迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)吋(cun)視為滾(gun)(gun)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)的(de)(de)(de)(de)一(yi)(yi)(yi)種，它(ta)主要(yao)用(yong)(yong)于固體膠的(de)(de)(de)(de)高(gao)(gao)(gao)厚度(du)(du)(du)金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)具(ju)(ju)的(de)(de)(de)(de)成(cheng)(cheng)型(xing)(xing)，凡厚度(du)(du)(du)大于20 mm的(de)(de)(de)(de)金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)具(ju)(ju)，均(jun)可(ke)采(cai)用(yong)(yong)此法(fa)(fa)(fa)，它(ta)除具(ju)(ju)有滾(gun)(gun)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)相(xiang)(xiang)同(tong)(tong)的(de)(de)(de)(de)優缺點外，還有一(yi)(yi)(yi)個特點是能(neng) 制(zhi)(zhi)(zhi)造高(gao)(gao)(gao)厚度(du)(du)(du)的(de)(de)(de)(de)制(zhi)(zhi)(zhi)品(pin)，此法(fa)(fa)(fa)道工序同(tong)(tong)樣需要(yao)出片(pian)(pian)，與滾(gun)(gun)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)相(xiang)(xiang)同(tong)(tong)，然(ran)后進(jin)行(xing)迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)，分為兩種 方法(fa)(fa)(fa)：1.不(bu)用(yong)(yong)模(mo)(mo)(mo)(mo)子(zi)的(de)(de)(de)(de)迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)此種方法(fa)(fa)(fa)是將(jiang)壓(ya)(ya)(ya)(ya)出的(de)(de)(de)(de)料(liao)(liao)(liao)片(pian)(pian)趁(chen)熱迭(die)(die)(die)(die)在(zai)一(yi)(yi)(yi)起，其(qi)料(liao)(liao)(liao)片(pian)(pian)的(de)(de)(de)(de)寬(kuan)度(du)(du)(du)及迭(die)(die)(die)(die)片(pian)(pian)高(gao)(gao)(gao)度(du)(du)(du)應(ying)比(bi)要(yao)成(cheng)(cheng)型(xing)(xing)的(de)(de)(de)(de)金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)具(ju)(ju) 規格大些(xie)，這樣才能(neng)保(bao)證金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)具(ju)(ju)的(de)(de)(de)(de)質(zhi)量，然(ran)后在(zai)上(shang)一(yi)(yi)(yi)片(pian)(pian)的(de)(de)(de)(de)表面上(shang)均(jun)勻的(de)(de)(de)(de)刷上(shang)滑石(shi)(shi)粉，便(bian)可(ke)送 至壓(ya)(ya)(ya)(ya)延機(ji)或油壓(ya)(ya)(ya)(ya)機(ji)上(shang)進(jin)行(xing)施壓(ya)(ya)(ya)(ya)，使其(qi)數片(pian)(pian)粘(zhan)結在(zai)一(yi)(yi)(yi)起，然(ran)后便(bian)可(ke)用(yong)(yong)模(mo)(mo)(mo)(mo)刀進(jin)行(xing)切型(xing)(xing)。2.用(yong)(yong)模(mo)(mo)(mo)(mo)子(zi)的(de)(de)(de)(de)迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)這種方法(fa)(fa)(fa)是先將(jiang)模(mo)(mo)(mo)(mo)子(zi)進(jin)行(xing)預熱到90?100°C然(ran)后在(zai)模(mo)(mo)(mo)(mo)子(zi)上(shang)均(jun)勻的(de)(de)(de)(de)涂上(shang)脫模(mo)(mo)(mo)(mo)劑，以防(fang)粘(zhan) 模(mo)(mo)(mo)(mo)。待(dai)模(mo)(mo)(mo)(mo)子(zi)的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)(du)降至70?80°C時(shi)(shi)(shi)，便(bian)可(ke)將(jiang)沖(chong)出的(de)(de)(de)(de)料(liao)(liao)(liao)片(pian)(pian)趁(chen)熱柔(rou)軟時(shi)(shi)(shi)裝(zhuang)人模(mo)(mo)(mo)(mo)中(zhong)，裝(zhuang)時(shi)(shi)(shi)每片(pian)(pian)料(liao)(liao)(liao) 片(pian)(pian)應(ying)用(yong)(yong)手搗平(ping)，后蓋上(shang)模(mo)(mo)(mo)(mo)蓋進(jin)行(xing)施壓(ya)(ya)(ya)(ya)，其(qi)成(cheng)(cheng)型(xing)(xing)方法(fa)(fa)(fa)-13所示。對(dui)于流動(dong)變(bian)形大的(de)(de)(de)(de)需要(yao) 裝(zhuang)模(mo)(mo)(mo)(mo)硫化，流動(dong)變(bian)形小的(de)(de)(de)(de)可(ke)卸模(mo)(mo)(mo)(mo)硫化。1 一(yi)(yi)(yi)螺帽;2—加(jia)壓(ya)(ya)(ya)(ya)圈;3—心棒;4—上(shang)模(mo)(mo)(mo)(mo)板(ban);5—螺釘;6…模(mo)(mo)(mo)(mo)套(tao);7—下模(mo)(mo)(mo)(mo)板(ban);8.—金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)具(ju)(ju)坯體圖4-13裝(zhuang)模(mo)(mo)(mo)(mo)疊(die)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)型(xing)(xing)高(gao)(gao)(gao)厚度(du)(du)(du)橡膠金(jin)(jin)剛(gang)石(shi)(shi)磨(mo)(mo)(mo)(mo)具(ju)(ju)在(zai)滾(gun)(gun)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)與迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)法(fa)(fa)(fa)中(zhong)，熱煉和出片(pian)(pian)時(shi)(shi)(shi)，滾(gun)(gun)簡的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)(du)不(bu)宜過(guo)(guo)高(gao)(gao)(gao)和過(guo)(guo)低(di)，溫(wen)(wen)度(du)(du)(du)過(guo)(guo)高(gao)(gao)(gao)時(shi)(shi)(shi)，易(yi)生氣 泡，粘(zhan)輥(gun)現象，嚴重時(shi)(shi)(shi)乃至造成(cheng)(cheng)自硫的(de)(de)(de)(de)危險。壓(ya)(ya)(ya)(ya)出的(de)(de)(de)(de)料(liao)(liao)(liao)片(pian)(pian)表面也(ye)不(bu)光(guang)滑。溫(wen)(wen)度(du)(du)(du)過(guo)(guo)低(di)時(shi)(shi)(shi)壓(ya)(ya)(ya)(ya)料(liao)(liao)(liao)困(kun) 難，消耗動(dong)力大，易(yi)損壞設(she)備，對(dui)迭(die)(die)(die)(die)壓(ya)(ya)(ya)(ya)成(cheng)(cheng)型(xing)(xing)的(de)(de)(de)(de)制(zhi)(zhi)(zhi)品(pin)，易(yi)造成(cheng)(cheng)壓(ya)(ya)(ya)(ya)不(bu)合(he)的(de)(de)(de)(de)起層廢品(pin)。故應(ying)嚴格的(de)(de)(de)(de)控 制(zhi)(zhi)(zhi)滾(gun)(gun)筒的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)(du)，一(yi)(yi)(yi)般溫(wen)(wen)度(du)(du)(du)控制(zhi)(zhi)(zhi)在(zai)45?60°C范圍，對(dui)于易(yi)產(chan)生氣泡的(de)(de)(de)(de)細粒(li)度(du)(du)(du)制(zhi)(zhi)(zhi)品(pin)，壓(ya)(ya)(ya)(ya)片(pian)(pian)的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)(du) 可(ke)以采(cai)用(yong)(yong)更低(di)一(yi)(yi)(yi)些(xie)。

金(jin)(jin)剛石(shi)(shi)磨(mo)(mo)片(pian)的主(zhu)要性(xing)質(zhi)介紹(shao)  金(jin)(jin)剛石(shi)(shi)磨(mo)(mo)片(pian)以金(jin)(jin)剛石(shi)(shi)磨(mo)(mo)料為原料，分別用(yong)金(jin)(jin)屬粉、樹脂粉、陶瓷和(he)電(dian)鍍(du)金(jin)(jin)屬作結(jie)合(he)劑，制成的中央有(you)通孔的圓形固結(jie)磨(mo)(mo)具(ju)稱作金(jin)(jin)剛石(shi)(shi)磨(mo)(mo)片(pian)(合(he)金(jin)(jin)磨(mo)(mo)片(pian)）。對于(yu)(yu)這樣的金(jin)(jin)剛石(shi)(shi)磨(mo)(mo)片(pian)具(ju)有(you)哪些(xie)特別性(xing)質(zhi)？   首(shou)先金(jin)(jin)剛石(shi)(shi)磨(mo)(mo)片(pian)具(ju)有(you)磨(mo)(mo)削，同時(shi)磨(mo)(mo)片(pian)消耗相對較慢；磨(mo)(mo)片(pian)具(ju)有(you)一定的彈性(xing)，有(you)利(li)于(yu)(yu)改善工件表面的粗(cu)糙度，主(zhu)要用(yong)于(yu)(yu)精磨(mo)(mo)、半精磨(mo)(mo)、刀磨(mo)(mo)、拋光(guang)等(deng)工序；自(zi)銳(rui)性(xing)好，磨(mo)(mo)削時(shi)發熱(re)量(liang)小，不易堵塞(sai)，減少(shao)了(le)磨(mo)(mo)削時(shi)出現工作的現象。

金(jin)剛(gang)石(shi)磨(mo)片(pian)(pian)的樹(shu)脂結合(he)劑(ji)金(jin)剛(gang)石(shi)磨(mo)片(pian)(pian)是低溫(wen)固化(hua)，生產周(zhou)期(qi)短，設備和(he)(he)供(gong)應流(liu)程比(bi)較簡(jian)單；因(yin)樹(shu)脂具(ju)有(you)流(liu)動(dong)性(xing)，容易成型(xing)(xing)復雜性(xing)面(mian)的磨(mo)片(pian)(pian)。   可根據產品型(xing)(xing)號多款供(gong)選(xuan)（平(ping)行(xing)磨(mo)片(pian)(pian)、平(ping)行(xing)帶弧磨(mo)片(pian)(pian)、雙面(mian)凹磨(mo)片(pian)(pian)、雙斜邊磨(mo)片(pian)(pian)、碗型(xing)(xing)磨(mo)片(pian)(pian)）等(deng)。它們(men)的用(yong)途(tu)，平(ping)行(xing)磨(mo)片(pian)(pian):主要用(yong)于(yu)硬(ying)(ying)質合(he)金(jin)的外(wai)圓磨(mo)削(xue)和(he)(he)刀(dao)刃加(jia)工；平(ping)行(xing)帶弧磨(mo)片(pian)(pian):主要用(yong)于(yu)硬(ying)(ying)質合(he)金(jin)的成形磨(mo)削(xue)和(he)(he)圓弧面(mian)的成形磨(mo)削(xue)等(deng)。    由(you)于(yu)金(jin)剛(gang)石(shi)磨(mo)料(liao)所具(ju)有(you)的特性(xing)（硬(ying)(ying)度(du)高、抗壓強度(du)高、耐磨(mo)性(xing)好），使金(jin)剛(gang)石(shi)磨(mo)具(ju)在磨(mo)削(xue)加(jia)工中成為磨(mo)削(xue)硬(ying)(ying)脆材(cai)料(liao)及硬(ying)(ying)質合(he)金(jin)的理想(xiang)工具(ju)，不但、精度(du)高，而且粗糙度(du)好、磨(mo)具(ju)消耗少、使用(yong)壽命長(chang)，同時還可改善勞動(dong)條件(jian)。因(yin)此廣(guang)泛(fan)用(yong)于(yu)普通磨(mo)具(ju)難于(yu)加(jia)工的低鐵含量的金(jin)屬及非金(jin)屬硬(ying)(ying)脆材(cai)料(liao)，如硬(ying)(ying)質合(he)金(jin)、高鋁瓷、光(guang)學玻璃、瑪瑙寶石(shi)、半導體材(cai)料(liao)、石(shi)材(cai)等(deng)。

金剛(gang)石磨(mo)(mo)片加工(gong)中(zhong)的硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)介(jie)質(zhi)與熱(re)(re)效應(ying)(ying)1.硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)介(jie)質(zhi)在(zai)(zai)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)過(guo)(guo)程(cheng)(cheng)中(zhong)，電(dian)鍍(du)金剛(gang)石磨(mo)(mo)邊輪現貨供應(ying)(ying)，能(neng)傳遞熱(re)(re)能(neng)的物質(zhi)，稱之為(wei)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)介(jie)質(zhi)。橡膠(jiao)(jiao)(jiao)制品所用(yong)(yong)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)介(jie)質(zhi)常用(yong)(yong)的有：飽和(he)(he)蒸汽、過(guo)(guo)熱(re)(re)水和(he)(he)熱(re)(re)空(kong)氣(qi)(qi)、高頻和(he)(he)超高頻電(dian)場(chang)、紅(hong)外(wai) 線、y-射線等(deng)。目前橡膠(jiao)(jiao)(jiao)金剛(gang)石磨(mo)(mo)具生產只用(yong)(yong)熱(re)(re)空(kong)氣(qi)(qi)作為(wei)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)介(jie)質(zhi)。即以電(dian)為(wei)熱(re)(re)源(yuan)加熱(re)(re)空(kong)氣(qi)(qi)，優(you)點(dian) 是設備簡單，成本低(di)，管理方(fang)便。但(dan)熱(re)(re)含(han)(han)量(liang)低(di)，傳熱(re)(re)時間(jian)長，含(han)(han)氧、促(cu)進氧化(hua)(hua)(hua)(hua)，影(ying)響(xiang)制件(jian)(jian)的性能(neng) 質(zhi)量(liang)。2.硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)熱(re)(re)效應(ying)(ying)在(zai)(zai)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)過(guo)(guo)程(cheng)(cheng)中(zhong)，生膠(jiao)(jiao)(jiao)與硫(liu)(liu)(liu)(liu)(liu)磺(huang)之間(jian)的化(hua)(hua)(hua)(hua)學反應(ying)(ying)是一個放熱(re)(re)過(guo)(guo)程(cheng)(cheng)。但(dan)在(zai)(zai)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)初(chu)始階段(duan)，因硫(liu)(liu)(liu)(liu)(liu) 磺(huang)熔融吸熱(re)(re)，會出現溫度降低(di)的暫時現象。實驗(yan)證(zheng)明，在(zai)(zai)wot下硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)時，含(han)(han)硫(liu)(liu)(liu)(liu)(liu)4%的膠(jiao)(jiao)(jiao)料(liao)反 應(ying)(ying)放熱(re)(re)為(wei)41.86 J/g，當結合硫(liu)(liu)(liu)(liu)(liu)量(liang)為(wei)32%時則產生300 J/g的熱(re)(re)量(liang)。因此，在(zai)(zai)硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)過(guo)(guo)程(cheng)(cheng)中(zhong)硫(liu)(liu)(liu)(liu)(liu) 化(hua)(hua)(hua)(hua)熱(re)(re)效應(ying)(ying)對(dui)軟質(zhi)膠(jiao)(jiao)(jiao)金剛(gang)石磨(mo)(mo)具影(ying)響(xiang)較小，對(dui)硬質(zhi)膠(jiao)(jiao)(jiao)金剛(gang)石磨(mo)(mo)具影(ying)響(xiang)很大(da)，在(zai)(zai)制訂硫(liu)(liu)(liu)(liu)(liu)化(hua)(hua)(hua)(hua)條件(jian)(jian)時應(ying)(ying)充分加以考慮。