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平面度误差测量数据处理

文字:[大][中][小] 手机页面二维码 2016/6/13     浏览次数:    

  HUHUANXINGYUCELIANGJISHUZHONGXINGWEIGONGCHAYUJISHUCELIANGDENEIRONGLIJIEZHANGWOBIJIAOKUNNAN,ZAISIXIANGXINGWEIGONGCHAZHONG,ZHIXIANDUYUPINGMIANDUWUCHADECELIANGSHIYIBANJIXIEZHIZAOXINGYEZHUYAODEJIANCEXIANGMU。ZHIXIANDUWUCHADECELIANGXIANGDUIJIAOWEIJIANDAN,ERPINGMIANDUWUCHADECELIANGJISHUJUCHULIBIJIAOFUZA。BENWENJINDUIPINGMIANDUWUCHADECELIANGHESHUJUCHULIZUOJIAOWEIXIANGXIDEJIESHAO。

一、平面度误差的测量

  PINGMIANDUWUCHASHIZHIBEICESHIJIBIAOMIANDUIQILIXIANGPINGMIANDEBIANDONGLIANG。

万豪游戏   PINGMIANDUWUCHASHIJIANGBEICESHIJIBIAOMIANYULIXIANGPINGMIANJINXINGBIJIAO,LIANGZHEZHIJIANDEXIANZHIJULIJIWEIPINGMIANDUWUCHAZHI;HUOTONGGUOCELIANGSHIJIBIAOMIANSHANGRUOGANDIANDEXIANGDUIGAODUCHA,ZAIHUANSUANYIXIANZHIBIAOSHIDEPINGMIANDUWUCHAZHI。

PINGMIANDUWUCHACELIANGDECHANGYONGFANGFAYOURUXIAJIZHONG:

万豪游戏   1、PINGJINGGANSHEFA:YONGGUANGXUEPINGJINGDEGONGZUOMIANTIXIANLIXIANGPINGMIAN,ZHIJIEYIGANSHETIAOWENDEWANQUCHENGDUQUEDINGBEICEBIAOMIANDEPINGMIANDUWUCHAZHI。ZHUYAOYONGYUCELIANGXIAOPINGMIAN,RULIANGGUIDEGONGZUOMIANHEQIANFENCHICETOUCELIANGMIANDEPINGMIANDUWUCHA。

  2、DABIAOCELIANGFA:DABIAOCELIANGFASHIJIANGBEICELINGJIANHECEWEIJIFANGZAIBIAOZHUNPINGBANSHANG,YIBIAOZHUNPINGBANZUOWEICELIANGJIZHUNMIAN,YONGCEWEIJIYANSHIJIBIAOMIANZHUDIANHUOYANJITIAOZHIXIANFANGXIANGJINXINGCELIANG。DABIAOCELIANGFAANPINGDINGJIZHUNMIANFENWEISANDIANFAHEDUIJIAOXIANFA:SANDIANFASHIYONGBEICESHIJIBIAOMIANSHANGXIANGJUZUIYUANDESANDIANSUOJUEDINGDELIXIANGPINGMIANZUOWEIPINGDINGJIZHUNMIAN,SHICESHIXIANJIANGBEICESHIJIBIAOMIANSHANGXIANGJUZUIYUANDESANDIANDIAOZHENGDAOYUBIAOZHUNPINGBANDENGGAO;DUIJIAOXIANFASHICESHIXIANJIANGSHIJIBIAOMIANSHANGDESIGEJIAODIANANDUIJIAOXIANDIAOZHENGDAOLIANGLIANGDENGGAO。RANHOUYONGCEWEIJIJINXINGCELIANG,CEWEIJIZAIZHENGGESHIJIBIAOMIANSHANGCEDEDEZUIDABIANDONGLIANGJIWEIGAISHIJIBIAOMIANDEPINGMIANDUWUCHA。

  3、YEPINGMIANFA:YEPINGMIANFASHIYONGYEPINGMIANZUOWEICELIANGJIZHUNMIAN,YEPINGMIANYOU “LIANTONGGUAN”NEIDEYEMIANGOUCHENG,RANHOUYONGCHUANGANQIJINXINGCELIANG。CIFAZHUYAOYONGYUCELIANGDAPINGMIANDEPINGMIANDUWUCHA。

  4、GUANGSHUPINGMIANFA:GUANGSHUPINGMIANFASHICAIYONGZHUNZHIWANGYUANJINGHEMIAOZHUNBAJINGJINXINGCELIANG,XUANZESHIJIBIAOMIANSHANGXIANGJUZUIYUANDESANGEDIANXINGCHENGDEGUANGSHUPINGMIANZUOWEIPINGMIANDUWUCHADECELIANGJIZHUNMIAN。

CHUSHANGSHUFANGFAKECELIANGPINGMIANDUWUCHAWAI,HAIYOUCAIYONGSHUIPINGYI、ZIZHUNZHIYI、JIGUANGZHUNZHIYIDENGYONGYUCELIANGDAXINGPINGMIANDEPINGMIANDUWUCHA。


二、平面度误差的评定方法

万豪游戏 PINGMIANDUWUCHADEPINGDINGFANGFAYOU:SANYUANDIANFA、DUIJIAOXIANFA、ZUIXIAOERCHENGFAHEZUIXIAOQUYUFADENGSIZHONG。

万豪游戏   1、SANYUANDIANFA:SHIYITONGGUOSHIJIBEICEBIAOMIANSHANGXIANGJUZUIYUANDESANDIANSUOZUCHENGDEPINGMIANZUOWEIPINGDINGJIZHUNMIAN,YIPINGXINGYUCIJIZHUNMIAN,QIEJUYOUZUIXIAOJULIDELIANGBAORONGPINGMIANJIANDEJULIZUOWEIPINGMIANDUWUCHAZHI。

万豪游戏   2、DUIJIAOXIANFA:SHIYITONGGUOSHIJIBEICEBIAOMIANSHANGDEYITIAODUIJIAOXIAN,QIEPINGXINGYULINGYITIAODUIJIAOXIANSUOZUODEPINGDINGJIZHUNMIAN,YIPINGXINGYUCIJIZHUNMIANQIEJUYOUZUIXIAOJULIDELIANGBAORONGPINGMIANJIANDEJULIZUOWEIPINGMIANDUWUCHAZHI。

万豪游戏   3、ZUIXIAOERCHENGFA:SHIYISHIJIBEICEBIAOMIANDEZUIXIAOERCHENGPINGMIANZUOWEIPINGDINGJIZHUNMIAN,YIPINGXINGYUZUIXIAOERCHENGPINGMIAN,QIEJUYOUZUIXIAOJULIDELIANGBAORONGPINGMIANJIANDEJULIZUOWEIPINGMIANDUWUCHAZHI。ZUIXIAOERCHENGPINGMIANSHISHISHIJIBEICEBIAOMIANSHANGGEDIANYUGAIPINGMIANDEJULIDEPINGFANGHEWEIZUIXIAODEPINGMIAN。CIFAJISUANJIAOWEIFUZA,YIBANJUNXUJISUANJICHULI。

  4、ZUIXIAOQUYUFA:SHIYIBAORONGSHIJIBEICEBIAOMIANDEZUIXIAOBAORONGQUYUDEKUANDUZUOWEIPINGMIANDUWUCHAZHI,SHIFUHEPINGMIANDUWUCHADINGYIDEPINGDINGFANGFA。


三、平面度误差的数据处理

  YOUSHANGSHUPINGMIANDUWUCHADECELIANGFANGFAHEPINGDINGFANGFACHANSHUKEZHI,CELIANGFANGFAHEPINGDINGFANGFABUTONG,SHUJUCHULIDEFANGFAYEBUXIANGTONG。XUANDINGMOUYICELIANGFANGFAHEPINGDINGFANGFA,KENENGZHIJIEDEDAOSHIJIBIAOMIANDEPINGMIANDUWUCHAZHI,RUCAIYONGDABIAOFAJINXINGCELIANG,ZAIYONGDUIJIAOXIANFAPINGDINGQIPINGMIANDUWUCHA,ZEKEBUBIJINXINGSHUJUCHULI,KEZHIJIEDEDAOCELIANGJIEGUO;CAIYONGSHUIPINGYIJINXINGCELIANG,ZEBULUNCAIYONGHEZHONGPINGDINGFANGFA,JUNXUJINXINGSHUJUCHULI;ERDUIYURENHEYIZHONGCELIANGFANGFA,RUGUOANZUIXIAOQUYUFALAIPINGDINGQIPINGMIANDUWUCHA,DOUBIXUJINXINGSHUJUCHULICAINENGDEDAOPINGMIANDUWUCHAZHI。

  LINGWAI,HAIYINGZHUYIDAO,CELIANGJIZHUNMIANHEPINGDINGJIZHUNMIANYIBANSHIBUZHONGHEDE(HUOSHUOBUPINGXINGDE)。YOUQISHIFUHEZUIXIAOTIAOJIANDEPINGDINGJIZHUNMIANDEWEIZHISHIANSHIJIBIAOMIANDEXINGZHUANGQUEDINGDE,BUKENENGZAICELIANGZHIQIANYUXIANQUEDING,RUTUYISUOSHI。QIECELIANGSUODEDAODEYUANSHISHUJUZHONGDEZUIDAZHIYUZUIXIAOZHIBINGBUYIDINGSHISHIJIBIAOMIANSHANGDEZUIGAODIANHEZUIDIDIAN,GUZAISHUJUCHULIZHIQIAN,YIBANYINGGENJUSUOCESHUJUDUISHIJIBIAOMIANDEXINGZHUANGTEZHENGJINXINGDAZHIFENXI,CHUBUPANDUANSHIJIBIAOMIANSHITUXING、AOXING、ANXINGHUOQITAFUZAXINGTAI,YIMIANGUODUOZHONGFUJISUANHUAFEISHIJIAN,BIYAOSHIHAIKEHUACHUQISHUJUKONGJIANFENBUSHIYITU,JINERQUEDINGQIPINGDINGJIZHUNMIAN。

SHUJUCHULIFANGFAYOU:JIEXIFA、ZUOBIAOBIANHUANFAHETOUYINGZUOTUFADENG。QIZHONGZUOBIAOBIANHUANFADUISHUJUCHULIDAIYOUYIBANXING,YINGGAISHULIANZHANGWO。

  ZUOBIAOBIANHUANFASHIJIANGBEICESHIJIBIAOMIANSHANGGEDIANDUICELIANGJIZHUNMIANDEZUOBIAOZHI,ZHUANHUANWEIYUPINGDINGFANGFAXIANGDUIYINGDEPINGDINGJIZHUNMIANDEZUOBIAOZHI。YOUYUPINGDINGJIZHUNMIANDEXUANZHUANKESHIGECEDEZHICHANSHENGBUTONGDEBIANHUA,CONGERHUODEBUTONGDEPINGDINGJIEGUO。ZUOBIAOBIANHUANFAYOUCHENGWEIXUANZHUANFA,QISHIZHISHIZAICEDESHUJUSHANGJIASHANGYIDUIYINGDEDENGCHASHULIE。

  DANGCAIYONGZUIXIAOQUYUFAPINGDINGSHIJIBIAOMIANDEPINGMIANDUWUCHASHI,ZUIXIAOQUYUFAPANBIEZHUNZEYIYINGSHULIANZHANGWO,CAINENGZAISHUJUCHULIZHIQIANZUODAOXIONGYOUCHENGZHU,BIMIANGUODUOZHONGFUJISUANERSHAOZOUWANLU。PINGMIANDUZUIXIAOQUYUDEPANBIEZHUNZESHI:YOULIANGPINGXINGPINGMIANBAORONGSHIJIBEICEYAOSUSHI,SHIXIANZHISHAOSANDIANHUOSIDIANJIECHU,QIEJUYOUXIALIEXINGSHIZHIYIZHE,JIWEIZUIXIAOQUYU。

最大值与最小值可直接得到被测表面的平面度误差值为:f1= 90-(-50)=140μm。

万豪游戏 2、SANYUANDIANFAQUEDINGPINGMIANDUWUCHA

  选择a3、b1、c 2三点组成的三角形作为评定基准面,采用旋转法将此三点旋转至等高,计算旋转量,并将各点旋转量与原始数据各对应点相加,可得评定数据。由评定数据可知,过最高点b2 =115和最低点a1=0,可作两包容平面且平行a 3=b1=c3=5 组成的三角形评定基准面,则被测实际表面的平面度误差值为:f 2 =115 - 0 =115μm。

3、ZUIXIAOBAORONGQUYUFAQUEDINGPINGMIANDUWUCHA

  由原始数据分析,实际表面为凸型,可实现三角形准则,今选择a1、a3、c2三点组成的三角形平面作为一个包容平面,采用旋转法将此三点旋转至等高,计算旋转量,并将各点旋转量与原始数据各对应点相加,可得评定数据。由评定数据可知,最高点b2 =111.75,最低点a1=a3=c2 =0,其余各点的坐标值均在最高点与最低点之间,过最高点和最低点作两包容平行平面,符合最小包容区域的准则,故被测实际表面的平面度误差值为:f3=111.75 - 0=111.75μm.。

万豪游戏 LIER、YONGSHUIPINGYICELIANGMOUSHIJIBIAOMIANDEPINGMIANDUWUCHA,SUOCESHUJUANCELIANGSHUNXULEIJIHOU,GECEDIANZUOBIAOZHI(DANWEI:μm),SHIQUEDINGQIPINGMIANDUWUCHAZHI。

万豪游戏 JIE:CAIYONGSHUIPINGYICELIANG,BUKENENGZHIJIEDEDAOCELIANGJIEGUO,XIANCAIYONGZUOBIAOBIANHUANFAJINXINGSHUJUCHULI,YISHIYONGBUTONGPINGDINGFANGFAHUODESHIJIBIAOMIANDEPINGMIANDUWUCHAZHI。

1、 DUIJIAOXIANFAQUEDINGPINGMIANDUWUCHA

  将两对角线的测得值旋转至等高,计算旋转量,并将各点旋转量与最大值与最小值可直接得到被测表面的平面度误差值为:f1= 90-(-50)=140μm。

万豪游戏 2、SANYUANDIANFAQUEDINGPINGMIANDUWUCHA

  选择a3、b1、c 2三点组成的三角形作为评定基准面,采用旋转法将此三点旋转至等高,计算旋转量,并将各点旋转量与原始

数据各对应点相加,可得评定数据。由评定数据可知,过最高点b2 =115和最低点a1=0,可作两包容平面且平行a 3=b1=c3=5 组成的三角形评定基准面,则被测实际表面的平面度误差值为:f 2 =115 - 0 =115μm。

万豪游戏 3、ZUIXIAOBAORONGQUYUFAQUEDINGPINGMIANDUWUCHA

万豪游戏   YOUYUANSHISHUJUFENXI,SHIJIBIAOMIANWEITUXING,KESHIXIANSANJIAOXINGZHUNZE,JINXUANZEa1、a3、c2SANDIANZUCHENGDESANJIAOXINGPINGMIANZUOWEIYIGEBAORONGPINGMIAN,CAIYONGXUANZHUANFAJIANGCISANDIANXUANZHUANZHIDENGGAO,JISUANXUANZHUANLIANG,BINGJIANGGEDIANXUANZHUANLIANGYUYUANSHISHUJUGEDUIYINGDIANXIANGJIA,KEDEPINGDINGSHUJU。

1、YIGEZUIGAO(DI)DIANZAILINGYIBAORONGPINGMIANSHANGDETOUYINGWEIYUSANGEZUIDI(GAO)DIANSUOXINGCHENGDESANJIAOXINGQUYUNEI,CHENGWEISANJIAOXINGDEZHUNZE,RUTUSAN(a)、(b)SUOSHI。

万豪游戏 2、LIANGGEZUIGAODIANDELIANXIANYULIANGGEZUIDIDIANDELIANXIANZAIBAORONGPINGMIANSHANGDETOUYINGXIANGJIAO,CHENGWEIJIAOCHAZHUNZE。

万豪游戏 3、YIGEZUIGAO(DI)DIANZAILINGYIGEBAORONGPINGMIANSHANGDETOUYINGWEIYULIANGGEZUIDI(GAO)DIANDELIANXIANSHANG,CHENGWEIZHIXIANZHUNZE。ZHIXIANZHUNZESHISANJIAOXINGZHUNZEHEJIAOCHAZHUNZEDETESHUQINGKUANG

四、举例

LIYI、YONGDABIAOFACELIANGMOUSHIJIBIAOMIANDEPINGMIANDUWUCHASHUJU(DANWEIμm),RUTUSISUOSHI,SHIQUEDINGQIPINGMIANDUWUCHAZHI。

JIE:1、DUIJIAOXIANFAQUEDINGPINGMIANDUWUCHA

万豪游戏   YINSHICESHUJULIANGDUIJIAOXIANYIDENGGAO,BUBIZAIJINXINGSHUJUCHULI,GENJUSHICESHUJUDEYOUPINGDINGSHUJUKEZHI,ZUIGAODIANb2 =111.75,ZUIDIDIANa1=a3=c2 =0,QIYUGEDIANDEZUOBIAOZHIJUNZAIZUIGAODIANYUZUIDIDIANZHIJIAN,GUOZUIGAODIANHEZUIDIDIANZUOLIANGBAORONGPINGXINGPINGMIAN,FUHEZUIXIAOBAORONGQUYUDEZHUNZE,GUBEICESHIJIBIAOMIANDEPINGMIANDUWUCHAZHIWEI:f3=111.75 - 0=111.75μm.。

万豪游戏 LIER、YONGSHUIPINGYICELIANGMOUSHIJIBIAOMIANDEPINGMIANDUWUCHA,SUOCESHUJUANCELIANGSHUNXULEIJIHOU,GECEDIANZUOBIAOZHI(DANWEI:μm),SHIQUEDINGQIPINGMIANDUWUCHAZHI。

万豪游戏 JIE:CAIYONGSHUIPINGYICELIANG,BUKENENGZHIJIEDEDAOCELIANGJIEGUO,XIANCAIYONGZUOBIAOBIANHUANFAJINXINGSHUJUCHULI,YISHIYONGBUTONGPINGDINGFANGFAHUODESHIJIBIAOMIANDEPINGMIANDUWUCHAZHI。

1、 DUIJIAOXIANFAQUEDINGPINGMIANDUWUCHA

  将两对角线的测得值旋转至等高,计算旋转量,并将各点旋转量与原始数据各对应点相加,可得评定数据。根据评定数据可得被测实际表面的平面度误差值为:f 1=37-(-7.5)=44.5μm。

2、SANYUANDIANFAQUEDINGPINGMIANDUWUCHA

  选择a2、b1、c 3三点组成的三角形作为评定基准面,采用旋转法将此三点旋转至等高,计算旋转量,并将各点旋转量与原始数据各对应点相加,可得评定数据。建立方程组: 解之得: 小包容区域准则,不在交叉线上的其余点均可落在此包容区域内,故实际被测表面的平面度误差值为:f3=32-(-10)=42μm。

LISAN、MOUBEICESHIJIBIAOMIANDEPINGMIANDUWUCHASHUJU(DANWEI:μm),RUTUSHIYISUOSHI,SHUJUCHULICAIYONGTOUYINGZUOTUFA,SHIANZUIXIAOBAORONGQUYUFAPINGDINGQIPINGMIANDUWUCHAZHI。

万豪游戏 JIE:TOUYINGZUOTUFASHIZHISHIHUAFAJIHEJICHULILUNZHONGDETOUYINGBIANHUANFA,QIZHONGYOUHUANMIANFAHEXUANZHUANFA。JIANGSHICESHUJUZHIYUTOUYINGTIXIZHONG,DUIXUANDINGDEPINGDINGJIZHUNMIANBIANHUANCHENGMOUTOUYINGMIANDECHUIZHIMIAN,JIKEGENJUXIANGYINGDEPINGDINGFANGFAQUEDINGBEICESHIJIBIAOMIANDEPINGMIANDUWUCHAZHI。

  GENJUBEICESHIJIBIAOMIANDEYUANSHISHUJUPANDUANWEITUXINGBIAOMIAN,KESHIXIANSANJIAOXINGZHUNZE。HUACHUGECEDIANDEKONGJIANFENBUSHIYITU,RUTUSHIERSUOSHI。XUANZEa 3、b1、c2SANDIANZUCHENGYIGESANJIAOXINGBAORONGPINGMIAN,RUOGUOZUIGAODIANb 2ZUOLINGYIBAORONGPINGMIAN,ZEKESHIXIANZUIXIAOBAORONGQUYUZHUNZE。

  JINCAIYONGHUANMIANFAQUEDINGQIPINGMIANDUWUCHA,JIANGGECEDIANXIANGV/HTOUYINGTIXIZHONGJINXINGTOUYING,BINGJIANGa3、b1、c2 SANDIANZUCHENGDESANJIAOXINGPINGMIANBIANHUANCHENGV1/HXINTOUYINGTIXIZHONGDECHUIZHIMIAN,QIYUCEDIANDOUXIANGV1MIANTOUYING,GUOZUIGAODIANb 2ZUOPINGXINGXIANYUCHUIZHIMIANPINGXING,KEJIANQIYUCEDIANJUNZAILIANGPINGXINGXIANZHIJIAN,RUTUSHISANSUOSHI。ZEBEICESHIJIBIAOMIANDEPINGMIANDUWUCHAWEILIANGPINGXINGXIANZHIJIANDEZUOBIAOZHI:f=54μm。 RUOCAIYONGTOUYINGBIANHUANFAZHONGDEXUANZHUANFAYIKEQUEDINGQIPINGMIANDUWUCHAZHI,ZAICIBUZAIZHUISHU。

万豪游戏   YOUYISHANGSANLIFENXIJISUANKEZHI,SHUJUCHULICAIYONGZUOBIAOBIANHUANXUANZHUANFADUIGEZHONGPINGDINGFANGFADAIYOUPUBIANXING,ZAIDUOZUOLIANXIHELIJIEZHIHOUBUNANZHANGWO,TOUYINGZUOTUFAYOUYIDINGDEZHIGUANXING,DANGANZUIXIAOQUYUFAPINGDINGPINGMIANDUWUCHASHI,NENGJIAOFANGBIANDIQUEDINGJIZHUNBAORONGPINGMIAN。DANGRANSHIJICELIANGZHONG,SUOCESHUJUKENENGDUOYU9GE ,QIESHUZHIBUYIDINGSHIJIANDANDEZHENGSHUZHI,GUSHUJUCHULIHAISHIBIJIAOFANFUDE。

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