劃線平臺人工刮研步驟需掌握
2014年02月19日
新聞詳情
劃線(xian)(xian)平(ping)臺(tai)聞(wen)名中外，一(yi)般(ban)劃線(xian)(xian)平(ping)臺(tai)度都(dou)是在(zai)3級左(zuo)右。在(zai)劃線(xian)(xian)平(ping)臺(tai)鑄件(jian)加工(gong)(gong)好(hao)后需(xu)要(yao)(yao)(yao)(yao)刨，刨完(wan)后還(huan)有一(yi)個(ge)重要(yao)(yao)(yao)(yao)的(de)步驟(zou)是人(ren)工(gong)(gong)利用(yong)刮(gua)刀來刮(gua)研出(chu)要(yao)(yao)(yao)(yao)求的(de)度。刮(gua)研是一(yi)個(ge) 重要(yao)(yao)(yao)(yao)的(de)技術步驟(zou)，而且也是很麻煩，下面(mian)介(jie)紹一(yi)下劃線(xian)(xian)平(ping)臺(tai)粗(cu)刮(gua)、細刮(gua)、刮(gua)流程：劃線(xian)(xian)平(ping)臺(tai)刮(gua)削(xue)前首先作好(hao)準(zhun)備工(gong)(gong)作，其中包(bao)括工(gong)(gong)具和涂料是否(fou)(fou)齊(qi)全，工(gong)(gong)件(jian)的(de)刮(gua)削(xue)余量是否(fou)(fou)符合(he)要(yao)(yao)(yao)(yao)求。被(bei)刮(gua)削(xue)工(gong)(gong)件(jian)的(de)操作位(wei)置(zhi)和高度要(yao)(yao)(yao)(yao)合(he)適，要(yao)(yao)(yao)(yao)牢固穩定支架。
初始開始刮的(de)(de)時(shi)候叫做粗刮：劃線平(ping)臺粗刮可(ke)用連(lian)(lian)續推(tui)鏟的(de)(de)方法，刀跡(ji)能連(lian)(lian)成長片。它能較快的(de)(de)除掉刀痕、銹斑或過多的(de)(de)刮削余量。一(yi)般(ban)粗刮達到（每25mmX25mm內(nei)有2-3研點）標(biao)準(zhun)要求時(shi)，可(ke)以開始細刮。
粗刮(gua)到標準(zhun)要求(qiu)時(shi)開始(shi)(shi)細刮(gua)：劃(hua)線(xian)平臺細刮(gua)是在刮(gua)削(xue)面(mian)上(shang)去掉稀(xi)疏的較大研點。細刮(gua)時(shi)可用短刮(gua)法(fa)，這樣刀痕短而寬，刀跡長度(du)即(ji)為刀刃(ren)寬度(du)。隨(sui)著研點增多，刀跡開始(shi)(shi)縮短。當每(mei)刮(gua)一遍，要按(an)同一方(fang)向(xiang)刮(gua)削(xue)，在刮(gua)二遍時(shi)采用交(jiao)叉刮(gua)削(xue)，除掉原(yuan)方(fang)向(xiang)刀跡。
當研(yan)(yan)(yan)(yan)點(dian)(dian)達到(dao)25mmX25mm面積上(shang)有12-15研(yan)(yan)(yan)(yan)點(dian)(dian)時(shi)，可以(yi)開始(shi)刮(gua)(gua)(gua)。劃線平臺刮(gua)(gua)(gua)是在細刮(gua)(gua)(gua)的(de)基礎上(shang)，進(jin)一步刮(gua)(gua)(gua)削(xue)(xue)研(yan)(yan)(yan)(yan)點(dian)(dian)，使(shi)研(yan)(yan)(yan)(yan)增加提高刮(gua)(gua)(gua)削(xue)(xue)度，達到(dao)質量標準。刮(gua)(gua)(gua)時(shi)，提刀要(yao)快，用力要(yao)輕，每研(yan)(yan)(yan)(yan)點(dian)(dian)只刮(gua)(gua)(gua)一刀，不要(yao)重復刮(gua)(gua)(gua)削(xue)(xue)，同時(shi)要(yao)交叉的(de)進(jin)行(xing)刮(gua)(gua)(gua)削(xue)(xue)。當研(yan)(yan)(yan)(yan)點(dian)(dian)達到(dao)25mmX25mm中(zhong)有20個研(yan)(yan)(yan)(yan)點(dian)(dian)以(yi)上(shang)時(shi)，刮(gua)(gua)(gua)完成。
刮完后即可排花，排花完后把工作面涂(tu)上防銹油。側面上漆。打開包裝，一塊成品劃(hua)線(xian)平臺 完成了。由于技術者水平所限(xian)，不妥之處(chu)，懇請指正。
