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測量在(zai)20°C（68°F）標準(zhun)溫度。測量表面的(de)允許變化到的(de)平面以微米（μ）或密(mi)耳= 0.001英寸，其中L是(shi)該板的(de)長邊的(de)長度。
泊鑄DIN標(biao)準鑄鐵平臺加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝(yi)流程及設備：一(yi)(yi)、鑄造(zao)(zao)：采用(yong)樹脂砂消失(shi)模(mo)，沖天爐熔煉(lian)；結合實際情況取加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)量；制造(zao)(zao)鑄造(zao)(zao)工(gong)(gong)(gong)(gong)(gong)藝(yi)收縮率0.8，反變形量為(wei)3mm/m；模(mo)型(xing)——檢(jian)驗(yan)——造(zao)(zao)型(xing)——檢(jian)驗(yan)——烘干——合箱——澆注——測試(shi)——清理——檢(jian)驗(yan)——鑄造(zao)(zao)毛(mao)坯成型(xing)。所需設備：4mX8m烘干窯、10T/n、15T/n、熔煉(lian)用(yong)沖天爐10T、5T、8T。鐵水包QI-2GAJF、碳硫聯合測定儀、100T拉(la)力(li)實驗(yan)機。一(yi)(yi)次去(qu)除(chu)內應(ying)力(li)、時效溫度550度、所需設備4mX8m退火窯。粗加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)：劃線、粗加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)留(liu)余量5mm。二次去(qu)除(chu)內應(ying)力(li)與一(yi)(yi)次相(xiang)同。加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)：加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)上下面，留(liu)余量0.2-0.3mm。并加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)周(zhou)邊四面達到要(yao)求。后加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)作面，倒角。
