檢(jian)(jian)(jian)(jian)驗(yan)平(ping)(ping)臺的(de)別稱: 檢(jian)(jian)(jian)(jian)測(ce)鑄(zhu)(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)、鑄(zhu)(zhu)鐵(tie)檢(jian)(jian)(jian)(jian)驗(yan)平(ping)(ping)臺、大型檢(jian)(jian)(jian)(jian)測(ce)鑄(zhu)(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)、檢(jian)(jian)(jian)(jian)測(ce)鑄(zhu)(zhu)鐵(tie)平(ping)(ping)板(ban)(ban)、鉗工檢(jian)(jian)(jian)(jian)驗(yan)平(ping)(ping)臺。
檢(jian)驗平臺工(gong)(gong)(gong)(gong)藝:工(gong)(gong)(gong)(gong)作(zuo)面采用(yong)刮研工(gong)(gong)(gong)(gong)藝,工(gong)(gong)(gong)(gong)作(zuo)面上可加工(gong)(gong)(gong)(gong)V形(xing)(xing)、T形(xing)(xing)、U形(xing)(xing)槽、燕尾(wei)槽、圓孔、長孔等(deng)。
檢測平臺用途:是用于工(gong)件檢測或劃(hua)線的平面(mian)基準量(liang)具。
檢測(ce)平臺(tai)的質量檢測(ce):檢測(ce)平板(檢測(ce)平臺(tai))工作(zuo)表面不應有銹跡、劃(hua)痕、碰傷及其他影響使用的外觀缺陷。
檢驗(yan)平臺的鑄(zhu)鐵質(zhi)量和熱(re)處理質(zhi)量對平板使用(yong)性能(neng)產生較大影(ying)響:或(huo)因殘存較大內(nei)應力使工作面(mian)變(bian)形;或(huo)因不使精度不能(neng)保持;或(huo)因刮削困難得不到(dao)數值小的粗(cu)糙(cao)度。
檢驗平臺材料:
鑄鐵HT200--300,工(gong)作面硬度為HB170--240,經過兩(liang)次人(ren)工(gong)處理(人(ren)工(gong)退火(huo)600°--700°和自然時效2--3年)使(shi)該(gai)產(chan)品的(de)精度穩定,能好。
檢驗平臺用途:
適用(yong)于各種檢驗(yan)、檢測工作,精度測量用(yong)的(de)基準(zhun)(zhun)平(ping)面用(yong)于機(ji)床機(ji)械檢驗(yan)測量基準(zhun)(zhun),檢查,并(bing)作零件的(de)尺(chi)寸精度或行為偏(pian)差,并(bing)作劃線,在機(ji)械制造中(zhong)也是的(de)基本(ben)工具。
檢測平臺的平面度可分為:
①A :其平面度(μm)= 1+1.6D2 (D為平臺(tai)對角線長或直徑(jing)),用于高(gao)度 之(zhi)測定(ding)之(zhi)用, 常用于實驗室。
② :其(qi)平面度為A 之兩倍誤(wu)差,常用(yong)于(yu)工具(ju)檢(jian)驗(yan)(yan)室作(zuo)量具(ju)之檢(jian)驗(yan)(yan)之用(yong)。
③ B級:其平面度為A 之(zhi)四倍誤差,常(chang)用于工具(ju)檢驗(yan)室或在(zai)現(xian)場檢驗(yan)量具(ju)或劃線(xian)之(zhi)用