鑄鐵平臺生產標準及等級:依據_GB7947-1999《
鑄鐵平板》標準其等級分為0級,1級,2級,3級,精刨5個級別。特殊要求根據使用單位需求定做。其中0級鑄鐵平臺適用于400mmx400mm以下規格。
鑄(zhu)(zhu)鐵(tie)平(ping)(ping)臺(tai)(tai)的(de)生產(chan)(chan)工(gong)(gong)藝級流程:鑄(zhu)(zhu)鐵(tie)平(ping)(ping)臺(tai)(tai)采用消失模與樹(shu)脂(zhi)砂相結合鑄(zhu)(zhu)造工(gong)(gong)藝鑄(zhu)(zhu)造而成(cheng)。為(wei)(wei)達到消除(chu)鑄(zhu)(zhu)造內(nei)應力(li)與加工(gong)(gong)內(nei)應力(li)的(de)目的(de),需經過兩次消除(chu)內(nei)應力(li)處(chu)(chu)理(li)。內(nei)應力(li)消除(chu)處(chu)(chu)理(li)方式為(wei)(wei):人(ren)工(gong)(gong)退(tui)火處(chu)(chu)理(li),時(shi)(shi)效振(zhen)動(dong)儀振(zhen)動(dong)處(chu)(chu)理(li),和(he)自(zi)然(ran)時(shi)(shi)效處(chu)(chu)理(li)(自(zi)然(ran)放(fang)(fang)置(zhi)2-3年)。目前(qian)多采用人(ren)工(gong)(gong)退(tui)火處(chu)(chu)理(li)和(he)時(shi)(shi)效振(zhen)動(dong)儀振(zhen)動(dong)處(chu)(chu)理(li)。為(wei)(wei)_其平(ping)(ping)面度準確穩(wen)定及抗磨性,平(ping)(ping)臺(tai)(tai)臺(tai)(tai)面多采用人(ren)工(gong)(gong)鏟刮處(chu)(chu)理(li)。工(gong)(gong)作面可(ke)以(yi)設(she)計圓孔(kong),長方孔(kong),方孔(kong),T型槽(cao)(cao),U型槽(cao)(cao),V型槽(cao)(cao)等(deng)(deng)以(yi)便于(yu)工(gong)(gong)件(jian)或工(gong)(gong)裝夾具的(de)安放(fang)(fang)。鑄(zhu)(zhu)鐵(tie)平(ping)(ping)臺(tai)(tai)采用箱體式、筋板式結構。鑄(zhu)(zhu)鐵(tie)平(ping)(ping)臺(tai)(tai)鑒定合格(ge)應隨(sui)設(she)備附有(you)(you)合格(ge)證(zheng),合格(ge)證(zheng)內(nei)容與其尺寸,等(deng)(deng)級一致。未(wei)附有(you)(you)合格(ge)證(zheng)產(chan)(chan)品(pin)使用單位可(ke)以(yi)視為(wei)(wei)不合格(ge)產(chan)(chan)品(pin);鑄(zhu)(zhu)鐵(tie)平(ping)(ping)臺(tai)(tai)成(cheng)品(pin)出廠(chang)(chang)前(qian)應在(zai)產(chan)(chan)品(pin)醒目位置(zhi)安裝標有(you)(you):名(ming)稱(cheng),規格(ge),級別,出廠(chang)(chang)編號(hao),出廠(chang)(chang)日期等(deng)(deng)信息的(de)產(chan)(chan)品(pin)標牌。
鑄(zhu)鐵平臺的規格(ge)(ge)尺寸:100X100mm-4000X8000mm。為(wei)便于運輸及加工鑄(zhu)造,大于4000X8000mm規格(ge)(ge)可采用拼接組裝方式。
鑄(zhu)鐵平臺的材質(zhi):采(cai)用(yong)高(gao)強度(du)鑄(zhu)鐵HT200——300,QT400-600。臺面硬度(du):HB170-240。