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1、中華人民共和國國家計量檢定規(guī)程JJG57-1999光學(xué)、數(shù)顯分度頭Optical瓏夢talDividingHead1999一09一06發(fā)布1999一12一06實施國家質(zhì)量技術(shù)監(jiān)督局發(fā)布刀C57-1999光學(xué)、數(shù)顯分度頭檢定規(guī)程}}o}po}0}一0.一O}O.O}MMO}O}MMpJJG57-1999VerificationRegulationof代替JJG57-1984.LTG6061989、.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o滬OpticalDigitalDividingHead本規(guī)程經(jīng)國家質(zhì)量技術(shù)監(jiān)督局于1999年09月06
2、日批準(zhǔn)，并自1999年12月06日起施行。歸口單位:全國幾何量角度計量技術(shù)委員會起草單位:航空工業(yè)總公司第三O四研究所本規(guī)程委托全國幾何量角度計量技術(shù)委員會負(fù)責(zé)解釋JJG57-1999本規(guī)程主要起草人:張玉文(航空工業(yè)總公司第三0四研究所)陳照聚(航空工業(yè)總公司第三0四研究所)參加起草人:李景芳(航空工業(yè)總公司第三0四研究所)周自力(航空工業(yè)總公司第三0四研究所)JJG57-1999目錄1概述···?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??！ぁぁ！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?。··························
3、······??(1)2檢定項目和檢定條件···········，·································?！ぁぁぁぁぁ?，······?！ぁぁぁぁぁぁぁぁ??(1)2.1分度頭的檢定項目和檢定工具········?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??！??(1)2.2檢定條件············。·························································、············一(2)3技術(shù)要求和檢定方法······，·
4、···································?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??(2)3.1外觀及各部件的相互作用····，··········································，············??(2)3.2工作臺工作面的平面度·································一，’······················??(3)3.3工作臺側(cè)工作面的直線度···············································
5、·············??(4)3.4分度頭和尾座定位靠止面對工作臺側(cè)工作面的平行度························??(4)3.5工作臺側(cè)工作面對上工作面的垂直度················。···，························??(4)3.6主軸軸線對工作臺工作面、側(cè)工作面的平行度·································??(4)3.7頂針斜向圓跳動?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??！ぁぁぁぁぁぁぁぁぁぁぁぁぁ?，·······
6、···??(5)3.8分度頭頂針和尾座頂針軸心線對工作臺工作面和側(cè)工作面的平行度·····。??(6)3.9尾座頂針移動方向?qū)ぷ髋_工作面和側(cè)工作面的平行度·····················??(6)3.10分度頭緊靠垂直限位螺釘時，主軸軸線對工作臺工作面的垂直度······??(6)3.11主軸鎖緊時引起的示值變化·····?！ぁぁ！ぁぁぁぁぁぁぁ?，····································??(7)3.12主軸正反轉(zhuǎn)360’回原位誤差和回程誤差················?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?/p>
7、····。?(8)3.13示值誤差······················?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ！ぁぁぁぁ??(8)4檢定結(jié)果的處理和檢定周期········································。···················??(11)4.1檢定結(jié)果的處理·························?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??(11)4.2檢定周期··?！ぁぁぁぁ?/p>
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