内蒙古快3

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电子拉力试验机的工作原理与系统结构

2018-11-05

电子拉力试验机的工作原理与系统结构

电子式拉力试验机俗称万能材料试验机内蒙古快3,是现代电子技术与机械传动技术相结合的产物,是充分发挥了机电各自特长而构成的大型精密测试仪器,可对各种材料进行拉伸、压缩、弯曲、剥离、剪切等多项性能试验,且有测量范围宽、精度高、响应快等特点。工作可靠,效率高,可对试验数据进行实时显示记录、打印。

电子式拉力试验机内蒙古快3是由测量系统、驱动系统、控制系统及电脑(电脑系统型拉力试验机)等结构组成。 

YI.CELIANGXITONG

1.LIZHIDECELIANG

内蒙古快3TONGGUOCELICHUANGANQI、FANGDAQIHESHUJUCHULIXITONGLAISHIXIANCELIANG,ZUICHANGYONGDECELICHUANGANQISHIYINGBIANPIANSHICHUANGANQI。

SUOWEIYINGBIANPIANSHICHUANGANQI,JIUSHIYOU【YINGBIANPIAN】、DANXINGYUANJIANHEMOUXIEFUJIAN(BUCHANGYUANJIAN、FANGHUZHAO、JIEXIANCHAZUO、JIAZAIJIANZUCHENG),NENGJIANGMOUZHONGJIXIELIANGBIANCHENGDIANLIANGSHUCHUDEQIJIAN。YINGBIANPIANSHIDELA、YALICHUANGANQIGUONEIWAIZHONGLEIFANDUO,ZHUYAOYOUTONGZHUANGLICHUANGANQI、LUNFUSHILICHUANGANQI、SSHUANGLIANKONGXINGCHUANGANQI、SHIZILIANGSHICHUANGANQIDENGLEIXING。

内蒙古快3CONGCAILIAOLIXUESHANGDEZHI,ZAIXIAOBIANXINGTIAOJIANXIA,YIGEDANXINGYUANJIANMOUYIDIANDEYINGBIANεYUDANXINGYUANJIANSUOSHOUDELICHENGZHENGBI,YEYUDANXINGDEBIANXINGCHENGZHENGBI。YISXINGCHUANGANQIWEILI,DANGCHUANGANQISHOUDAOLALIPDEZUOYONGSHI,YOUYUDANXINGYUANJIANBIAOMIANZHANTIEYOUYINGBIANPIAN,YINWEIDANXINGYUANJIANDEYINGBIANYUWAILIPDEDAXIAOCHENGZHENGBILI,GUCIJIANGYINGBIANPIANJIERUCELIANGDIANLUZHONG,JIKETONGGUOCECHUQISHUCHUDIANYA,CONGERCECHULIDEDAXIAO。

内蒙古快3DUIYUCHUANGANQI,YIBANCAIYONGCHADONGQUANQIAOCELIANG,JIJIANGSUOZHANTIEDEYINGBIANPIANZUCHENGQIAOLU,

R1、R2、R3、R4,SHIJIWEIZUZHIXIANGDENGDE4PIAN(HUO8PIAN)YINGBIANPIAN,JIR1=R2=R3=R4,DANGCHUANGANQISHOUDAOWAILI(LALIHUOYALI)ZUOYONGSHI,CHUANGANQIDANXINGYUANJIANCHANSHENGYINGBIANERSHIGEDIANZUZHIFASHENGBIANHUA,QIBIANHUAZHIFENBIEWEI△R1△、R2、△R3、△R4,JIEGUOYUANLAIPINGHENGDEDIANQIAO,XIANZAIBUPINGHENGLE,QIAOLUJIUYOUDIANYASHUCHU,SHE△E

内蒙古快3ZE△E=[R1R2/(R1+R2)2]△R1/R1-△R2/R2+△R3/R3-△R4/R4)U

内蒙古快3SHIZHONGUWEIWAIDIANYUANGONGJIQIAOLUDEDIANYA

JINYIBUJIANHUAYOU

△E=[R2/4R2](△R1/R-△R2/R+△R3/R-△R4/R)U

内蒙古快3JIANG△Ri/Ri=KεiDAISHANGSHANGSHI

ZEYOU △E=[UK/4](ε1-ε2+ε3-ε4)

JIANDANLAISHUO,WAILIPYINQICHUANGANQINEIYINGBIANPIANDEBIANXING,DAOZHIDIANQIAODEBUPINGHENG,CONGERYINQICHUANGANQISHUCHUDIANYADEBIANHUA,WOMENTONGGUOCELIANGSHUCHUDIANYADEBIANHUAJIUKEYIZHIDAOLIDEDAXIAOLE。

YIBANLAISHUO,CHUANGANQIDESHUCHUXINHAODOUSHIFEICHANGWEIRUODE,TONGCHANGZHIYOUJIGEmV,RUGUOWOMENZHIJIEDUICIXINHAOJINXINGCELIANG,SHIFEICHANGKUNNANDE,BINGQIEBUNENGMANZUGAOJINGDUCELIANGYAOQIU。YINCIBIXUTONGGUOFANGDAQIJIANGCIWEIRUOXINHAOFANGDA,FANGDAHOUDEXINHAODIANYAKEDA10V,CISHIDEXINHAOWEIMONIXINHAO,ZHEIGEMONIXINHAOJINGGUODUOLUKAIGUANHEA/DZHUANHUANXINPIANZHUANBIANWEISHUZIXINHAO,RANHOUJINXINGSHUJUCHULI,ZHICI,LIDECELIANGGAOYIDUANLUO。

2.XINGBIANDECELIANG

TONGGUOXINGBIANCELIANGZHUANGZHILAICELIANG,TASHIYONGLAICELIANGSHIYANGZAISHIYANGUOCHENGZHONGCHANSHENGDEXINGBIAN。

GAIZHUANGZHISHANGYOULIANGGEJIATOU,JINGGUOYIXILIECHUANDONGJIGOUYUZHUANGZAICELIANGZHUANGZHIDINGBUDE【GUANGDIANBIANMAQI】LIANZAIYIQI,DANGLIANGJIATOUJIANDEJULIFASHENGBIANHUASHI,DAIDONGGUANGDIANBIANMAQIDEZHOUXUANZHUAN,GUANGDIANBIANMAQIJIUHUIYOUMAICHONGXINHAOSHUCHU。ZAIYOUCHULIQIDUICIXINHAOJINXINGCHULI,JIUKEYIDECHUSHIYANGDEBIANXINGLIANG。

3.HENGLIANGWEIYIDECELIANG

内蒙古快3QIYUANLITONGBIANXINGCELIANGDAZHIXIANGTONG,DOUSHITONGGUOCELIANGGUANGDIANBIANMAQIDESHUCHUMAICHONGSHULAIHUODEHENGLIANGDEWEIYILIANG。

ER.QUDONGXITONGZHUYAOSHIYONGYUSHIYANJIDEHENGLIANGYIDONG,QIGONGZUOYUANLISHIYOUSIFUXITONGKONGZHIDIANJI,DIANJIJINGGUOJIANSUXIANGDENGYIXILIECHUANDONGJIGOUDAIDONGSIGANZHUANDONG,CONGERDADAOKONGZHIHENGLIANGYIDONGDEMUDE。TONGGUOGAIBIANDIANJIDEZHUANSU,KEYIGAIBIANHENGLIANGDEYIDONGSUDU。

SAN.KONGZHIXITONGJIUSHIKONGZHISHIYANJIYUNZUODEXITONG,RENMENTONGGUOCAOZUOTAIKEYIKONGZHISHIYANJIDEYUNZUO,TONGGUOXIANSHIPINGKEYIHUOZHISHIYANJIDEZHUANGTAIJIGEXIANGSHIYANCANSHU,RUOGAIJIDAIYOUDIANNAODEHUA,YEKEYIYOUDIANNAOSHIXIANGEXIANGGONGNENGBINGJINXINGSHUJUCHULIFENXI、SHIYANJIEGUODAYIN。SHIYANJITONGDIANNAOZHIJIANDETONGXINYIBANDOUSHISHIYONGRS232CHUANXINGTONGXINFANGSHI,TATONGGUOJISUANJIBEIHOUDECHUANKOU(COMKOU)JINXINGTONGXIN,CIJISHUBIJIAOCHENGSHU、KEKAO,SHIYONGFANGBIAN。

SI.DIANNAOYONGLAICAIJIHECHULIFENXISHUJU。JINRUSHIYANJIEMIANHOU,DIANNAOHUIBUDUANCAIJIGEYANGSHIYANSHUJU,SHISHIHUACHUSHIYANQUXIAN(CHANGYONGLI--WEIYIDEQUXIAN),ZIDONGQIUCHUGESHIYANCANSHUJISHUCHUBAOBIAO