檢驗平板按JB/T7974-1999標準制造，產品制成筋板(ban)式(shi)和(he)箱(xiang)體(ti)式(shi)，工(gong)(gong)(gong)作(zuo)面(mian)有長方形(xing)、正方形(xing)或(huo)圓形(xing)，材料HT200-300，QT400-600，ZG15-45。工(gong)(gong)(gong)作(zuo)面(mian)采用(yong)刮研工(gong)(gong)(gong)藝，工(gong)(gong)(gong)作(zuo)面(mian)上可加工(gong)(gong)(gong)V形(xing)、T形(xing)、U形(xing)槽、燕尾槽、圓孔(kong)、長孔(kong)等(deng)。平板(ban)是用(yong)于工(gong)(gong)(gong)件(jian)檢測(ce)或(huo)劃線的平面(mian)基(ji)準量具。平板(ban)安裝(zhuang)就調至水平板(ban)、負荷均勻分布(bu)于各支點上。環境(jing)溫(wen)度（20±5）℃。使用(yong)時應避免振動。

檢(jian)驗(yan)平(ping)板，檢(jian)驗(yan)平(ping)臺平(ping)面平(ping)面度公差(um)

檢驗(yan)平板(ban)，檢驗(yan)平臺規格（長×寬）mm

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檢驗平板(ban)，檢驗平臺精度等級

檢驗平板(ban)，檢驗平臺平面度公(gong)差（um）

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