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發(fa)布(bu)時(shi)間(jian) :2013-05-21   | 分(fen)類(lei)目(mu)錄(lu): 技(ji)術(zhu)支(zhi)持(chi)   | 文(wen)章(zhang)標(biao)簽(qian):    | 調(diao)整(zheng)大(dai)小(xiao):16px  14px  12px
                         

 

電(dian)子(zi)萬(mo)能(neng)試(shi)驗(yan)、上(shang)海(hai)試(shi)驗(yan)機(ji)的(di)價(jia)格(ge)

 

 

電(dian)子(zi)萬(mo)能(neng)試(shi)驗(yan)機(ji)的(di)精(jing)度(duo)一(yi)個(ge)非(fei)常(chang)重(chong)要(yao)的(di)技(ji)術(zhu)指(zhi)標(biao),哪(nei)些(xie)因(yin)素(su)決(jue)定(ding)了(liao)試(shi)驗(yan)機(ji)的(di)精(jing)度(duo)呢(ni)?本(ben)文(wen)將(qiang)給(ji)大(dai)家(jia)解(xie)答(da)這(zhe)個(ge)問(wen)題(ti)。

 

1.首(shou)先(xian)就(jiu)是(shi)驅(qu)動(dong)傳(zhuan)感(gan)器(qi)運(yun)動(dong)的(di)部(bu)件(jian)滾(gun)珠(zhu)絲(si)杆(gan),因(yin)為(wei)絲(si)杆(gan)如(ru)果(guo)有(you)間(jian)隙(xi)的(di)話(hua)將(qiang)來(lai)做(zuo)出(chu)的(di)試(shi)驗(yan)數(shuo)據(ju),將(qiang)直(zhi)接(jie)影(ying)響(xiang)試(shi)驗(yan)的(di)最(zui)大(dai)變(bian)形(xing)和(hu)斷(duan)後(hou)伸(shen)長(zhang)率(shuai)。目(mu)前(qian)市(shi)場(chang)上(shang)的(di)電(dian)子(zi)萬(mo)能(neng)試(shi)驗(yan)機(ji)有(you)的(di)絲(si)杆(gan)是(shi)用(yong)T形(xing)普(pu)通(tong)絲(si)杆(gan),這(zhe)樣(yang)的(di)話(hua)一(yi)是(shi)間(jian)隙(xi)比(bi)較(jiao)大(dai),二(er)是(shi)磨(mo)擦(ca)力(li)比(bi)較(jiao)大(dai)使(shi)用(yong)壽(shou)命(ming)短(duan),越(yue)聯(lian)儀(yi)器(qi)所(suo)用(yong)絲(si)杆(gan)為(wei)德(de)國(guo)優(you)勵(li)聶(nie)夫(fu)高(gao)精(jing)度(duo)無(wu)間(jian)隙(xi)滾(gun)珠(zhu)絲(si)杆(gan),表(biao)麵(mian)淬(cui)火(huo)硬(ying)度(duo)為(wei)HRC58-62,使(shi)用(yong)壽(shou)命(ming)可(ke)達(da)幾(ji)十(shi)年(nian)。並(bing)且(qie)保(bao)證(zheng)精(jing)度(duo)不(bu)變(bian)。

 

2.其(qi)次(ci)就(jiu)是(shi)電(dian)子(zi)萬(mo)能(neng)試(shi)驗(yan)機(ji)的(di)傳(zhuan)動(dong)係(ji)統(tong),目(mu)前(qian)市(shi)場(chang)上(shang)的(di)試(shi)驗(yan)機(ji)傳(zhuan)動(dong)係(ji)統(tong)有(you)的(di)采(cai)用(yong)減(jian)速(su)機(ji),有(you)的(di)采(cai)用(yong)普(pu)通(tong)皮(pi)帶(dai),這(zhe)兩(liang)種(zhong)傳(zhuan)動(dong)方(fang)式(shi)的(di)主(zhu)要(yao)弊(bi)端(duan):前(qian)種(zhong)需(xu)要(yao)定(ding)期(qi)加(jia)潤(run)滑(hua)油(you),後(hou)種(zhong)則(ze)保(bao)證(zheng)不(bu)了(liao)傳(zhuan)動(dong)的(di)同(tong)步(bu)性(xing)影(ying)響(xiang)試(shi)驗(yan)結(jie)果(guo)。越(yue)聯(lian)儀(yi)器(qi)的(di)試(shi)驗(yan)機(ji)傳(zhuan)動(dong)係(ji)統(tong)采(cai)用(yong)全(quan)圓(yuan)弧(hu)同(tong)步(bu)帶(dai)減(jian)速(su),保(bao)證(zheng)了(liao)傳(zhuan)動(dong)的(di)同(tong)步(bu)精(jing)度(duo),傳(zhuan)動(dong)精(jing)度(duo)高(gao),效(xiao)率(shuai)高(gao),傳(zhuan)動(dong)平(ping)穩(wen),燥(zao)聲(sheng)低(di),不(bu)用(yong)維(wei)護(hu)使(shi)用(yong)壽(shou)命(ming)長(zhang)。

 

3.接(jie)著(zhuo)就(jiu)是(shi)試(shi)驗(yan)機(ji)的(di)力(li)值(zhi)傳(zhuan)感(gan)器(qi),因(yin)為(wei)傳(zhuan)感(gan)器(qi)的(di)好(hao)壞(huai)決(jue)定(ding)了(liao)試(shi)驗(yan)機(ji)的(di)精(jing)度(duo)和(hu)測(ce)力(li)穩(wen)定(ding)性(xing),目(mu)前(qian)市(shi)場(chang)上(shang)的(di)拉(la)力(li)機(ji)用(yong)傳(zhuan)感(gan)器(qi)小(xiao)力(li)值(zhi)一(yi)般(pan)用(yong)S型(xing)傳(zhuan)感(gan)器(qi),大(dai)力(li)值(zhi)一(yi)般(pan)用(yong)輪(lun)輻(fu)式(shi)傳(zhuan)感(gan)器(qi),傳(zhuan)感(gan)器(qi)內(nei)部(bu)一(yi)般(pan)為(wei)電(dian)阻(zu)應(ying)變(bian)片(pian)式(shi),如(ru)果(guo)應(ying)變(bian)片(pian)精(jing)度(duo)不(bu)高(gao)或(huo)固(gu)定(ding)應(ying)變(bian)片(pian)用(yong)的(di)膠(jiao)抗(kang)老(lao)化(hua)能(neng)力(li)不(bu)好(hao)在(zai)或(huo)者(zhe)傳(zhuan)感(gan)器(qi)的(di)材(cai)料(liao)不(bu)好(hao)都(du)將(qiang)影(ying)響(xiang)傳(zhuan)感(gan)器(qi)的(di)精(jing)度(duo)和(hu)使(shi)用(yong)壽(shou)命(ming)。越(yue)聯(lian)儀(yi)器(qi)所(suo)采(cai)用(yong)的(di)進(jin)口(kou)傳(zhuan)感(gan)器(qi)為(wei)世(shi)界(jie)箸(zhu)名(ming)傳(zhuan)感(gan)器(qi)製(zhi)造(zao)商(shang)美(mei)國(guo)銓(quan)力(li)傳(zhuan)感(gan)器(qi),該(gai)傳(zhuan)感(gan)器(qi)精(jing)度(duo)高(gao),線(xian)性(xing)好(hao),性(xing)能(neng)非(fei)常(chang)穩(wen)定(ding),幾(ji)十(shi)年(nian)都(du)不(bu)會(kuai)變(bian)化(hua)。

4.再(zai)次(ci)就(jiu)是(shi)試(shi)驗(yan)機(ji)的(di)測(ce)控(kong)係(ji)統(tong)(也(ye)就(jiu)是(shi)軟(ruan)件(jian)和(hu)硬(ying)件(jian)),目(mu)前(qian)市(shi)場(chang)上(shang)大(dai)部(bu)分(fen)試(shi)驗(yan)機(ji)的(di)測(ce)控(kong)係(ji)統(tong)采(cai)用(yong)的(di)是(shi)8位(wei)的(di)單(shan)片(pian)機(ji)控(kong)製(zhi),采(cai)樣(yang)速(su)率(shuai)低(di),且(qie)抗(kang)幹(gan)擾(rao)能(neng)力(li)差(chai),另(ling)外(wai)就(jiu)是(shi)AD轉(zhuan)換(huan)器(qi),如(ru)果(guo)AD轉(zhuan)換(huan)器(qi)的(di)位(wei)數(shuo)也(ye)就(jiu)是(shi)分(fen)辨(bian)率(shuai)低(di)的(di)話(hua)。那(nuo)麽(ma)測(ce)量(liang)也(ye)不(bu)會(kuai)準(zhun)。越(yue)聯(lian)儀(yi)器(qi)的(di)測(ce)控(kong)係(ji)統(tong)采(cai)用(yong)世(shi)界(jie)最(zui)先(xian)進(jin)的(di)32位(wei)ARM技(ji)術(zhu)研(yan)製(zhi)的(di)控(kong)製(zhi)器(qi)HytestV6.0.此(ci)控(kong)製(zhi)器(qi)是(shi)基(ji)於(yu)32位(wei)ARM平(ping)台(tai),並(bing)運(yun)行(hang)本(ben)公(gong)司(si)研(yan)製(zhi)的(di)時(shi)時(shi)多(duo)任(ren)務(wu)操(cao)作(zuo)係(ji)統(tong),是(shi)程(cheng)序(xu)運(yun)行(hang)更(geng)加(jia)平(ping)穩(wen),係(ji)統(tong)更(geng)加(jia)穩(wen)定(ding)。采(cai)樣(yang)速(su)率(shuai)可(ke)達(da)每(mei)秒(miao)200次(ci),在(zai)加(jia)上(shang)24位(wei)的(di)高(gao)精(jing)度(duo)低(di)燥(zao)聲(sheng)高(gao)速(su)AD轉(zhuan)換(huan)器(qi),使(shi)整(zheng)個(ge)測(ce)控(kong)係(ji)統(tong)更(geng)加(jia)高(gao)精(jing)度(duo),高(gao)穩(wen)定(ding)性(xing)的(di)控(kong)製(zhi)整(zheng)個(ge)試(shi)驗(yan)過(guo)程(cheng),上(shang)位(wei)機(ji)的(di)軟(ruan)件(jian)為(wei)越(yue)聯(lian)儀(yi)器(qi)曆(li)時(shi)2年(nian)研(yan)製(zhi)的(di)全(quan)數(shuo)字(zi)三(san)畢(bi)環(huan)控(kong)製(zhi)軟(ruan)件(jian),有(you)兩(liang)種(zhong)控(kong)製(zhi)方(fang)式(shi)a.PID控(kong)製(zhi)調(diao)節(jie)方(fang)式(shi)b.模(mu)湖(hu)控(kong)製(zhi)調(diao)節(jie)方(fang)式(shi)(業(ye)界(jie)首(shou)家(jia))。使(shi)整(zheng)個(ge)試(shi)驗(yan)過(guo)程(cheng)可(ke)達(da)到(dao)恒(heng)力(li)值(zhi)控(kong)控(kong)製(zhi),恒(heng)位(wei)移(yi)控(kong)製(zhi),恒(heng)變(bian)形(xing)控(kong)製(zhi),低(di)頻(pin)疲(pi)勞(lao)控(kong)製(zhi),和(hu)程(cheng)序(xu)任(ren)意(yi)控(kong)製(zhi)。

 

4、最(zui)後(hou)就(jiu)是(shi)試(shi)驗(yan)機(ji)的(di)動(dong)力(li)源(yuan)(電(dian)機(ji))也(ye)叫(jiao)馬(ma)達(da),目(mu)前(qian)市(shi)場(chang)上(shang)有(you)的(di)試(shi)驗(yan)機(ji)采(cai)用(yong)普(pu)通(tong)三(san)相(xiang)電(dian)機(ji)或(huo)變(bian)頻(pin)電(dian)機(ji),這(zhe)種(zhong)電(dian)機(ji)采(cai)用(yong)模(mu)擬(ni)信(xin)號(hao)控(kong)製(zhi),控(kong)製(zhi)反(fan)應(ying)慢(man),定(ding)位(wei)不(bu)準(zhun)確(que),一(yi)般(pan)調(diao)速(su)範(fan)圍(wei)窄(zhai)。有(you)高(gao)速(su)就(jiu)沒(mo)了(liao)低(di)速(su)或(huo)有(you)低(di)速(su)就(jiu)沒(mo)了(liao)高(gao)速(su),並(bing)且(qie)速(su)度(duo)控(kong)製(zhi)不(bu)準(zhun)確(que),越(yue)聯(lian)儀(yi)器(qi)所(suo)用(yong)的(di)電(dian)機(ji)為(wei)日(ri)本(ben)鬆(song)下(xia)全(quan)數(shuo)字(zi)交(jiao)流(liu)伺(ci)服(fu)電(dian)機(ji),控(kong)製(zhi)方(fang)式(shi)采(cai)用(yong)全(quan)數(shuo)字(zi)脈(mo)衝(chong)控(kong)製(zhi),調(diao)速(su)範(fan)圍(wei)廣(guang),可(ke)達(da)0.001-1000MM/MIN,控(kong)製(zhi)定(ding)位(wei)準(zhun)確(que),反(fan)應(ying)快(kuai),0.01秒(miao)可(ke)加(jia)到(dao)滿(man)速(su)度(duo),該(gai)電(dian)機(ji)能(neng)保(bao)證(zheng)滿(man)量(liang)程(cheng)速(su)度(duo)控(kong)製(zhi)準(zhun)確(que),且(qie)使(shi)用(yong)壽(shou)命(ming)長(zhang),可(ke)達(da)幾(ji)十(shi)年(nian),且(qie)不(bu)用(yong)維(wei)護(hu)。

 

 

 

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