選用(yong)(yong)精度尺(chi)度時一般根據使用(yong)(yong)情況酌情而定(ding)。平(ping)板(ban)的外觀(guan)處理、噴漆、包裝、入庫。在經過刮研(yan)的鑄鐵平(ping)板(ban)上推動(dong)表座、工件比較順暢，無發澀(se)感覺(jue)，方便了(le)測(ce)(ce)量(liang)，保證(zheng)了(le)測(ce)(ce)量(liang)準確度。鑄鐵平(ping)板(ban)按GB/4986-85標準制(zhi)造(zao)，可用(yong)(yong)涂(tu)色(se)法(fa)檢驗零件平(ping)面度，具有準確、直觀(guan)、方便的優點。

　　鑄鐵(tie)(tie)檢(jian)驗(yan)平(ping)(ping)臺選(xuan)用(yong)(yong)(yong)精(jing)度時的(de)(de)注意(yi)事項：選(xuan)用(yong)(yong)(yong)精(jing)度標準時一般根據使(shi)(shi)用(yong)(yong)(yong)情況酌情而(er)定。3級精(jing)度以(yi)上(shang)的(de)(de)鑄鐵(tie)(tie)平(ping)(ping)板(ban)用(yong)(yong)(yong)做檢(jian)驗(yan)、劃線(xian)、裝(zhuang)配(pei)等(deng)使(shi)(shi)用(yong)(yong)(yong)，4級精(jing)度以(yi)下的(de)(de)鑄鐵(tie)(tie)平(ping)(ping)板(ban)一般用(yong)(yong)(yong)做鉚焊等(deng)使(shi)(shi)用(yong)(yong)(yong)。平(ping)(ping)板(ban)毛(mao)坯：按技術要求制圖(tu)紙、按圖(tu)紙制作木(mu)型、配(pei)料(liao)、造型、烘干、澆鑄、落沙、清(qing)理、檢(jian)驗(yan)毛(mao)坯的(de)(de)各部位;平(ping)(ping)板(ban)機械(xie)加(jia)工(gong)(gong)(gong)：外觀檢(jian)驗(yan)并劃線(xian)、加(jia)工(gong)(gong)(gong)、檢(jian)驗(yan);平(ping)(ping)板(ban)工(gong)(gong)(gong)件(jian)調平(ping)(ping)、人(ren)工(gong)(gong)(gong)刮(gua)研(yan)、檢(jian)驗(yan)科檢(jian)驗(yan);平(ping)(ping)板(ban)的(de)(de)外觀處理、噴漆、包裝(zhuang)、入庫。工(gong)(gong)(gong)作面(mian)堵塞的(de)(de)砂(sha)孔(kong)(kong)應不多于4個。且砂(sha)孔(kong)(kong)之(zhi)間的(de)(de)距離應不小于80mm。應采用(yong)(yong)(yong) 細(xi)密(mi)的(de)(de)灰口(kou)鑄鐵(tie)(tie)或合(he)金鑄鐵(tie)(tie)等(deng)材(cai)料(liao)制造，其工(gong)(gong)(gong)作面(mian)硬度應為(wei)170～220HB。工(gong)(gong)(gong)作面(mian)通常(chang)應用(yong)(yong)(yong)采用(yong)(yong)(yong)刮(gua)削加(jia)工(gong)(gong)(gong)藝(yi)。平(ping)(ping)板(ban)的(de)(de)鑄造表(biao)面(mian)應清(qing)除型砂(sha)且平(ping)(ping)整(zheng)，涂(tu)漆牢固。