決(jue)定電(dian)子試驗機性能及精度的幾(ji)個重要因素
1.驅動傳感器(qi)運動的部件滾(gun)(gun)珠絲(si)桿，因為(wei)絲(si)桿如果有間(jian)隙(xi)的話將來做出的試驗(yan)(yan)(yan)數(shu)據(ju)，將直接影響試驗(yan)(yan)(yan)的大(da)變(bian)形和斷(duan)后伸長率。目前市場(chang)上的電子試驗(yan)(yan)(yan)機有的絲(si)桿是用(yong)T形普通絲(si)桿，這樣的話一是間(jian)隙(xi)比較(jiao)大(da)，二是磨擦力比較(jiao)大(da)使(shi)用(yong)壽(shou)命短，江都市開源試驗(yan)(yan)(yan)機械廠所(suo)用(yong)絲(si)桿為(wei)德國優勵聶夫高(gao)精度(du)(du)無間(jian)隙(xi)滾(gun)(gun)珠絲(si)桿，表面淬火硬度(du)(du)為(wei)HRC58-62，使(shi)用(yong)壽(shou)命可達(da)幾十年。并(bing)且(qie)保證精度(du)(du)不變(bian)。
2. ; 2.電子試(shi)驗(yan)機(ji)(ji)的(de)(de)傳(chuan)動(dong)(dong)(dong)系統(tong)(tong)，目前市場上的(de)(de)試(shi)驗(yan)機(ji)(ji)傳(chuan)動(dong)(dong)(dong)系統(tong)(tong)有的(de)(de)采用(yong)減(jian)速機(ji)(ji)，有的(de)(de)采用(yong)普通(tong)皮(pi)帶，這(zhe)兩種傳(chuan)動(dong)(dong)(dong)方式(shi)的(de)(de)主要弊端(duan)：前種需要定(ding)期加潤滑油，后(hou)種則保(bao)證(zheng)不了(le)(le)傳(chuan)動(dong)(dong)(dong)的(de)(de)同(tong)步(bu)性影響試(shi)驗(yan)結果。開源儀器的(de)(de)試(shi)驗(yan)機(ji)(ji)傳(chuan)動(dong)(dong)(dong)系統(tong)(tong)采用(yong)全(quan)圓弧同(tong)步(bu)帶減(jian)速，保(bao)證(zheng)了(le)(le)傳(chuan)動(dong)(dong)(dong)的(de)(de)同(tong)步(bu)精(jing)度，傳(chuan)動(dong)(dong)(dong)精(jing)度高(gao)，效率高(gao)，傳(chuan)動(dong)(dong)(dong)平穩，噪聲低，不用(yong)維護使用(yong)壽命長(chang)
3. 3.電子試驗(yan)機的(de)力(li)(li)(li)(li)值傳(chuan)(chuan)(chuan)感(gan)器(qi)，由傳(chuan)(chuan)(chuan)感(gan)器(qi)決(jue)定(ding)(ding)了試驗機的(de)精度和(he)測力(li)(li)(li)(li)穩定(ding)(ding)性(xing)，目前市場上的(de)拉力(li)(li)(li)(li)機小(xiao)力(li)(li)(li)(li)值一(yi)般用(yong)S型傳(chuan)(chuan)(chuan)感(gan)器(qi)，大力(li)(li)(li)(li)值一(yi)般用(yong)輪輻式傳(chuan)(chuan)(chuan)感(gan)器(qi)，傳(chuan)(chuan)(chuan)感(gan)器(qi)內部一(yi)般為電阻應變(bian)片式，如果應變(bian)片精度不高(gao)或固定(ding)(ding)應變(bian)片用(yong)的(de)膠抗老化(hua)能力(li)(li)(li)(li)不好(hao)或者傳(chuan)(chuan)(chuan)感(gan)器(qi)的(de)材料(liao)都(dou)將影響傳(chuan)(chuan)(chuan)感(gan)器(qi)的(de)精度和(he)使(shi)用(yong)壽命。湘杰儀(yi)器(qi)所(suo)采用(yong)世界傳(chuan)(chuan)(chuan)感(gan)器(qi)制(zhi)造商美國銓力(li)(li)(li)(li)傳(chuan)(chuan)(chuan)感(gan)器(qi)，該(gai)傳(chuan)(chuan)(chuan)感(gan)器(qi)精度高(gao)，線性(xing)好(hao)，性(xing)能非常(chang)穩定(ding)(ding)，幾十年都(dou)不會變(bian)化(hua)。
4. 4. 電(dian)(dian)子(zi)試(shi)驗(yan)機(ji)(ji)(ji)的動力(li)源（電(dian)(dian)機(ji)(ji)(ji)）也叫馬(ma)達(da)，目前市場(chang)上(shang)有的試(shi)驗(yan)機(ji)(ji)(ji)采(cai)用(yong)(yong)普通三相電(dian)(dian)機(ji)(ji)(ji)或變頻電(dian)(dian)機(ji)(ji)(ji)，這種電(dian)(dian)機(ji)(ji)(ji)采(cai)用(yong)(yong)模擬信號控(kong)(kong)(kong)制，控(kong)(kong)(kong)制反應慢，定位(wei)不(bu)準確(que)，一般調速范圍(wei)(wei)窄。速度控(kong)(kong)(kong)制不(bu)準確(que)，湘(xiang)杰儀(yi)器所用(yong)(yong)的電(dian)(dian)機(ji)(ji)(ji)為(wei)日本(ben)松下全(quan)數字(zi)交流伺服電(dian)(dian)機(ji)(ji)(ji)，控(kong)(kong)(kong)制方(fang)式采(cai)用(yong)(yong)全(quan)數字(zi)脈沖控(kong)(kong)(kong)制，調速范圍(wei)(wei)廣，可達(da)0.001-1000MM/MIN，控(kong)(kong)(kong)制定位(wei)準確(que)，反應快，0.01秒可加到滿速度，該電(dian)(dian)機(ji)(ji)(ji)能保證(zheng)滿量(liang)程(cheng)速度控(kong)(kong)(kong)制準確(que)，且使用(yong)(yong)壽命長，可達(da)幾十年，且不(bu)用(yong)(yong)維(wei)護。
5. 電子試(shi)驗(yan)機的測控系統（也就是軟件和硬件），湘杰儀器在硬件設(she)計上采用了21世紀的(de)(de)新技術，采(cai)用高(gao)速的(de)(de)處理器實現的(de)(de)光電(dian)編(bian)碼器四象限采(cai)集，解決了(le)困擾國(guo)內試驗(yan)機行(xing)業的(de)(de)難題；模塊化(hua)(hua)的(de)(de)多級結(jie)構的(de)(de)軟件系統(tong)，使軟件走出(chu)了(le)國(guo)內同行(xing)的(de)(de)實驗(yan)室級，達(da)到產品級可(ke)(ke)靠(kao)性(xing)和(he)兼(jian)容性(xing)；模塊化(hua)(hua)的(de)(de)多級結(jie)構的(de)(de)軟件系統(tong)，使軟件走出(chu)了(le)國(guo)內同行(xing)的(de)(de)實驗(yan)室級，達(da)到產品級可(ke)(ke)靠(kao)性(xing)和(he)兼(jian)容性(xing)；模塊化(hua)(hua)＋SQL技術(shu)＋水(shui)晶報(bao)告(gao)(gao)＋數據庫技術(shu)，使(shi)創(chuang)建用(yong)戶(hu)定(ding)制報(bao)告(gao)(gao)及多報(bao)告(gao)(gao)十分方便，真正實(shi)現了為用(yong)戶(hu)服務的承諾；MS-ACCESS 數(shu)(shu)據庫方式的數(shu)(shu)據保存格(ge)式，使(shi)用(yong)戶的試驗數(shu)(shu)據得以有效地(di)發(fa)揮作用(yong)；并實現了與辦(ban)公(gong)軟件(jian)的接(jie)口，擴張能力大(da)大(da)增強(qiang)。
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