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测力杠杆校准拉力试验机测量误差分析

FABUSHIJIAN:2020-07-28    DIANJICISHU:CI

1、CELIANGFANGFA

YIJUJJG475YI2008《DIANZIWANNENGSHIYANJIJIANDINGGUICHENG》,CAIYONGCELIGANGGANWEIBIAOZHUNQIJU,DUIHENGYUYIQIDIANZILALISHIYANJIJINXINGLIZHIXIAOZHUN。


电子拉力试验机

2、CELIANGMOXING

ΔF=F2-F1 (1)

SHIZHONG:ΔFYILALISHIYANJISHIZHIWUCHA;F1YILALISHIYANJISHIZHI;F2YICELIGANGGANCHANSHENGDELIZHI。

3、WUCHALAIYUANGUOCHENGFENXI


误差来源过程分析

CELIGANGGANXIAOZHUNLALISHIYANJISHIJIZHUANGTAIRUTU1SUOSHI,YIJUDUIBIAOZHUNCELIGANGGANDETEXINGJINXINGXITONGLILUNFENXI,GANGGANLIDIANDUANHELALISHIYANJIDEXIALIANJIEJIANLIANJIEHOUDESHOULIZHOUXIANCHUIZHIDU、GANGGANCHISHENSHUIPINGDUHEGANGGANPEITAOFAMADEZHILIANGWUCHASHICELIGANGGANZAIXIAOZHUNLALISHIYANJIGUOCHENGZHONGDEBIAOZHUNQIJUYINRUDEFUJIABUQUEDINGDUFENLIANG,JUTIRUXIA:

(1)GANGGANSHUIPINGDUYINRUDEXIANGDUIBUQUEDINGDUu1;

(2)GANGGANLIDIANDUANSHOULIZHOUXIANCHUIZHIDUYINRUDEXIANGDUIBUQUEDINGDUu2;

(3)GANGGANPEITAOFAMASHIZHIWUCHAYINRUDEXIANGDUIBUQUEDINGDUu3;

(4)CELIANGZHONGFUXINGYINRUDEXIANGDUIBUQUEDINGDUu4;

(5)BEIXIAOLALISHIYANJIFENBIANLIYINRUDEBUQUEDINGDUu5.

4、BUQUEDINGDUFENLIANGJISUAN

4.1GANGGANSHUIPINGDUYINRUDEXIANGDUIBUQUEDINGDUu1

LILUNJISUANHESHIJISHIYANBIAOMING,RUOGANGGANSHUIPINGDUKONGZHIZAI0.05%YINEI,ZEYOUSHUIPINGJIAODUYINRUDEWUCHAWEI±0.03%,YIJUNYUNFENBUGUJI:


不确定度分量计算1

4.2GANGGANLIDIANDUANSHOULIZHOUXIANCHUIZHIDUYINRUDEXIANGDUIBUQUEDINGDUu2

LILUNJISUANHESHIJISHIYANBIAOMING,DANGGANGGANCHENGSHUIPINGZHUANGTAISHI,RUGUOGANGGANXIALIANJIEQIPIANXINJULIYUGANGGANDUANBEIZHANGDUDEYIZHIXINGWUCHAKONGZHIZAI12%YINEI,GANGGANZHIDIANDUANQINGXIEJIAODUKONGZHIZAI±0.5°YINEI,ZEYOUCHUIZHIJIAODUYINRUDEWUCHAWEI±0.05%,YIJUNYUNFENBUGUJI:


不确定度分量计算2

4.3GANGGANPEITAOFAMASHIZHIWUCHAYINRUDEXIANGDUIBUQUEDINGDUu3

YIJUJJG808YI2014《BIAOZHUNCELIGANGGANJIANDINGGUICHENG》DEYAOQIUGANGGANPEITAOLIZHIFAMAZHILIANGDEYUNXUWUCHAWEI±0.02%,YIJUNYUNFENBUGUJI:


不确定度分量计算3

4.4CELIANGZHONGFUXINGYINRUDEXIANGDUIBUQUEDINGDUu4

YIHENGYUYIQIDIANZILALISHIYANJIWEILI,ZAIZHONGFUXINGTIAOJIANXIA,YONGCELIGANGGANFENBIEDUIQI500N,1000NHE2000NSHIZHIDIANLIANXUZHONGFUCELIANG10CI,XIANGYINGCELIANGJIEGUORUBIAO1SUOSHI:


测量结果

ZAISHIJILALIJIXIAOZHUNGUOCHENGZHONGCELIANGCISHUWEISANCI,YINCIQUSANGEXIAOZHUNDIANZHONGZHONGFUXINGBUQUEDINGDUZUIDAZHIWEIZHONGFUXINGFENLIANG(1000NCHU):u4=0.032%

4.5BEIXIAOLALISHIYANJIFENBIANLIYINRUDEBUQUEDINGDUu5

YIJUJJG75-2008《DIANZISHIWANNENGSHIYANJIJIANDINGGUICHENG》DESHIYANJIFENBIANLIPANDINGGUIZEYAOQIU,BEIXIAOLALIJIZAIKAIJIZHUANGTAIXIASHIZHIDEBODONGFANWEIWEI4GEZI,ZEFENBIANLIWEI0.3N,YIJUNYUNFENBUGUJI:


不确定度分量计算4

5、XIANGDUIHECHENGKUOZHANBUQUEDINGDUPINGDING

CELIANGJIEGUODEBUQUEDINGDUFENLIANGHUIZONG(JIANBIAO2)


测量结果的不确定度分量

6、JIESHUYU

TONGGUODUICELIGANGGANXIAOZHUNLALISHIYANJIDECELIANGGUOCHENGFENXIKEYIKANCHU,SHIYONG0.1JIBIAOZHUNCELIGANGGANKEYIMANZU0.5JIDIANZISHILALISHIYANJIDEJIANDINGHUOXIAOZHUN。ZAIXIAOZHUNDEGUOCHENGZHONGZHIYAODUIGANGGANDESHUIPINGDUHEGANGGANLIDIANDUANSHOULIZHOUXIANCHUIZHIDUJINXINGYOUXIAODEKONGZHI,WANQUANKEYIBAOZHENGXIAOZHUNJIEGUODEZHUNQUEKEKAO。

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DIZHI:JIANGSUSHENGYANGZHOUSHIJIANGDOUQUZHENWUZHENSUYOULU44HAO

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