鑄鐵平臺DIN876標準設計特點
2017年06月14日
新聞詳情
國外生產的鑄鐵平臺及國內外銷出口的平臺、使用國外設備的汽車鑄鐵平臺等產品常常會接觸到DIN標準，我公司長期為國外汽車試驗設備配套鑄鐵平臺產品， 將DIN標準的具體要求講述： DIN876設計 點在于測量表面的度，底部具備至少三個支撐點。鑄鐵平臺的設計將是例如允許作用在表面上的力朝著所述支撐點，以小化失真被引導的。
FLATNESS測(ce)量在20°C（68°F）標準溫(wen)度(du)。測(ce)量表(biao)面的允許變化到的平面以(yi)微米（μ）或密(mi)耳(er)= 0.001英(ying)寸(cun)，其中L是該板的長邊的長度(du)。
泊鑄(zhu)DIN標(biao)準鑄(zhu)鐵平臺(tai)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)流(liu)程及設備(bei)：一(yi)、鑄(zhu)造：采用(yong)樹脂砂消(xiao)失模，沖(chong)(chong)天爐熔煉(lian)(lian)；結合(he)實(shi)際(ji)情(qing)況取加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)量(liang)(liang)；制造鑄(zhu)造工(gong)(gong)(gong)(gong)藝(yi)收(shou)縮率(lv)0.8，反變(bian)形(xing)量(liang)(liang)為3mm/m；模型——檢驗(yan)——造型——檢驗(yan)——烘(hong)干(gan)——合(he)箱——澆注——測試——清(qing)理(li)——檢驗(yan)——鑄(zhu)造毛坯成型。所(suo)需(xu)設備(bei)：4mX8m烘(hong)干(gan)窯、10T/n、15T/n、熔煉(lian)(lian)用(yong)沖(chong)(chong)天爐10T、5T、8T。鐵水包(bao)QI-2GAJF、碳硫聯合(he)測定儀、100T拉力(li)實(shi)驗(yan)機。一(yi)次去除內應力(li)、時效溫度550度、所(suo)需(xu)設備(bei)4mX8m退火窯。粗加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)：劃線、粗加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)留余量(liang)(liang)5mm。二次去除內應力(li)與一(yi)次相同。加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)：加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)上下面，留余量(liang)(liang)0.2-0.3mm。并加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)周邊四面達到(dao)要求(qiu)。后加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)作面，倒角。
