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  • 恒溫恒濕試驗設備各系統的工作原理  恒溫(wen)恒濕(shi)(shi)試(shi)驗設備各系(xi)(xi)統(tong)(tong)(tong)的工作(zuo)原理(li)恒濕(shi)(shi)恒濕(shi)(shi)試(shi)驗機(ji)(ji)系(xi)(xi)統(tong)(tong)(tong)的運(yun)作(zuo)是通過(guo)三個(ge)相互聯系(xi)(xi)的系(xi)(xi)統(tong)(tong)(tong):制(zhi)冷(leng)(leng)劑(ji)(ji)循環系(xi)(xi)統(tong)(tong)(tong)、電器(qi)自控系(xi)(xi)統(tong)(tong)(tong)、空(kong)氣循環系(xi)(xi)統(tong)(tong)(tong)。1、制(zhi)冷(leng)(leng)劑(ji)(ji)循環系(xi)(xi)統(tong)(tong)(tong): 蒸發器(qi)中的液(ye)(ye)態制(zhi)冷(leng)(leng)劑(ji)(ji)吸(xi)(xi)收空(kong)氣的熱(re)量(空(kong)氣被降溫(wen)及除濕(shi)(shi))并(bing)開(kai)始蒸發,*終制(zhi)冷(leng)(leng)劑(ji)(ji)與空(kong)之間形成(cheng)一定的溫(wen)度差(cha),液(ye)(ye)態制(zhi)冷(leng)(leng)劑(ji)(ji)亦(yi)完全蒸發變為(wei)氣態,后(hou)被壓縮機(ji)(ji)吸(xi)(xi)入(ru)并(bing)壓縮(壓力和溫(wen)度增加),氣態制(zhi)冷(leng)(leng)劑(ji)(ji)通過(guo)冷(leng)(leng)凝器(qi)(風冷(leng)(leng)/水冷(leng)(leng))吸(xi)(xi)收熱(re)量,凝結成(cheng)液(ye)(ye)體。通過(guo)膨(peng)脹閥(或毛(mao)細管
    發布時間:2011-08-22 10:02 點擊(ji)次數:1523 次
  • 東莞維修恒溫恒濕試驗機選弘寶儀器 東莞維(wei)(wei)修(xiu)(xiu)恒(heng)(heng)(heng)(heng)(heng)(heng)溫(wen)恒(heng)(heng)(heng)(heng)(heng)(heng)濕試(shi)驗(yan)(yan)機選弘寶儀器/恒(heng)(heng)(heng)(heng)(heng)(heng)溫(wen)恒(heng)(heng)(heng)(heng)(heng)(heng)濕箱(xiang)維(wei)(wei)修(xiu)(xiu)本(ben)公司(si)承接(jie)各種恒(heng)(heng)(heng)(heng)(heng)(heng)溫(wen)恒(heng)(heng)(heng)(heng)(heng)(heng)濕箱(xiang),恒(heng)(heng)(heng)(heng)(heng)(heng)溫(wen)恒(heng)(heng)(heng)(heng)(heng)(heng)濕測試(shi)機,高低(di)溫(wen)實(shi)(shi)驗(yan)(yan)箱(xiang),冷熱沖擊實(shi)(shi)驗(yan)(yan)箱(xiang),鹽霧(wu)測試(shi)機等的(de)(de)維(wei)(wei)護(hu)維(wei)(wei)修(xiu)(xiu),有著多(duo)年的(de)(de)維(wei)(wei)修(xiu)(xiu)維(wei)(wei)護(hu)經驗(yan)(yan)和(he)專業的(de)(de)維(wei)(wei)修(xiu)(xiu)技術(shu)人(ren)員,多(duo)年來贏得(de)各界朋友的(de)(de)支持與信(xin)賴,做到上門維(wei)(wei)護(hu)維(wei)(wei)修(xiu)(xiu),服務后三包的(de)(de)服務體系,是東莞維(wei)(wei)修(xiu)(xiu)恒(heng)(heng)(heng)(heng)(heng)(heng)溫(wen)恒(heng)(heng)(heng)(heng)(heng)(heng)濕實(shi)(shi)驗(yan)(yan)箱(xiang),高低(di)溫(wen)實(shi)(shi)驗(yan)(yan)機的(de)(de)優選維(wei)(wei)修(xiu)(xiu)技術(shu)支持: 阮先生(sheng)以(yi)下一些常見故障(zhang):1、恒(heng)(heng)(heng)(heng)(heng)(heng)溫(wen)恒(heng)(heng)(heng)(heng)(heng)(heng)濕試(shi)驗(yan)(yan)機和(he)高低(di)溫(wen)試(shi)驗(yan)(yan)箱(xiang)
    發(fa)布時間:2011-08-18 11:33 點擊次數:1510 次
  • 拉力試驗機測試皮革的抗張強度和伸長率的測定方法  拉力試(shi)(shi)驗(yan)機(ji)(ji)測(ce)(ce)(ce)試(shi)(shi)皮革(ge)的抗張強度(du)(du)(du)和(he)伸(shen)長率的測(ce)(ce)(ce)定(ding)(ding)方(fang)法: 1、原理(li) 1.1抗張強度(du)(du)(du):試(shi)(shi)片在規(gui)定(ding)(ding)的溫度(du)(du)(du)濕度(du)(du)(du)的空氣(qi)中調節和(he)側厚(hou),并在拉力試(shi)(shi)驗(yan)機(ji)(ji)中進行伸(shen)展直到斷裂為(wei)止(zhi)。1.2伸(shen)長:將經過空氣(qi)調節的試(shi)(shi)片放在拉力機(ji)(ji)中加力伸(shen)展,當試(shi)(shi)片受力到預(yu)先指定(ding)(ding)值或斷裂時,試(shi)(shi)片神展的程(cheng)度(du)(du)(du)2、儀(yi)(yi)器2.1模(mo)刀:用(yong)以切(qie)割試(shi)(shi)片2.2厚(hou)度(du)(du)(du)測(ce)(ce)(ce)定(ding)(ding)儀(yi)(yi):按GB4689.4-84《皮革(ge)-物理(li)性(xing)能(neng)(neng)測(ce)(ce)(ce)試(shi)(shi)-厚(hou)度(du)(du)(du)的測(ce)(ce)(ce)定(ding)(ding)》的規(gui)定(ding)(ding)2.3萬能(neng)(neng)材(cai)料試(shi)(shi)驗(yan)機(ji)(ji):夾
    發布(bu)時間:2011-07-28 17:26 點(dian)擊次數:1870 次
  •   鹽霧測試機的種類及試驗步驟 鹽(yan)(yan)(yan)霧測試(shi)(shi)(shi)機的(de)種(zhong)(zhong)類及試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)步驟1、鹽(yan)(yan)(yan)霧試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)簡(jian)述:鹽(yan)(yan)(yan)霧試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)是一種(zhong)(zhong)主要利用(yong)鹽(yan)(yan)(yan)霧試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)設備(bei)所創造的(de)人(ren)工模(mo)擬(ni)鹽(yan)(yan)(yan)霧環境(jing)條件來考核產品或金屬材(cai)料耐(nai)腐蝕性能的(de)環境(jing)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)。它分(fen)為二大(da)類,一類為天(tian)然(ran)環境(jing)暴露(lu)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan),另一類為人(ren)工加速模(mo)擬(ni)鹽(yan)(yan)(yan)霧環境(jing)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)。人(ren)工模(mo)擬(ni)鹽(yan)(yan)(yan)霧環境(jing)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)是利用(yong)一種(zhong)(zhong)具有一定容(rong)積(ji)空間的(de)試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)設備(bei)——鹽(yan)(yan)(yan)霧試(shi)(shi)(shi)驗(yan)(yan)(yan)(yan)(yan)箱,在(zai)其容(rong)積(ji)空間內用(yong)人(ren)工的(de)方法(fa),造成鹽(yan)(yan)(yan)霧環境(jing)來對(dui)產品的(de)耐(nai)鹽(yan)(yan)(yan)霧腐蝕性能質量進(jin)行(xing)考核。它與(yu)天(tian)
    發(fa)布時間(jian):2011-07-22 08:50 點擊次(ci)數:2043 次(ci)
  •  恒溫恒濕試驗機的工作原理  恒(heng)(heng)溫恒(heng)(heng)濕試驗機(ji)的工(gong)作(zuo)(zuo)原理(li): 恒(heng)(heng)溫恒(heng)(heng)測試驗機(ji)由制(zhi)冷(leng)系(xi)統(tong)(tong),加熱(re)(re)系(xi)統(tong)(tong),控制(zhi)系(xi)統(tong)(tong),濕度系(xi)統(tong)(tong),送風循環(huan)系(xi)統(tong)(tong),和(he)傳(chuan)感器系(xi)統(tong)(tong)等組成,上述(shu)系(xi)統(tong)(tong)分屬電氣和(he)機(ji)械制(zhi)冷(leng)兩大方面。下面敘述(shu)幾個(ge)主(zhu)要系(xi)統(tong)(tong)的工(gong)作(zuo)(zuo)原理(li)和(he)工(gong)作(zuo)(zuo)過程(cheng): 加熱(re)(re)系(xi)統(tong)(tong):加熱(re)(re)系(xi)統(tong)(tong)相對制(zhi)冷(leng)系(xi)統(tong)(tong)而(er)言,是比較簡單。它(ta)主(zhu)要有(you)大功(gong)率電阻絲組成,由于(yu)試驗要求(qiu)的升溫速率較大,因此加熱(re)(re)系(xi)統(tong)(tong)功(gong)率都(dou)比較大,而(er)且在試驗機(ji)的底板也設(she)有(you)加熱(re)(re)器。 恒(heng)(heng)溫恒(heng)(heng)測試
    發(fa)布時間(jian):2011-06-27 09:34 點擊次數:1405 次
  • 專業拉力機維修--維修拉力試驗機找弘寶  專(zhuan)業拉(la)力(li)機(ji)(ji)(ji)維修(xiu)--維修(xiu)拉(la)力(li)試(shi)(shi)驗(yan)機(ji)(ji)(ji)找弘(hong)(hong)寶(bao):本公司承(cheng)接(jie)各種拉(la)力(li)機(ji)(ji)(ji)、拉(la)力(li)試(shi)(shi)驗(yan)機(ji)(ji)(ji)的(de)維修(xiu),有專(zhuan)業的(de)拉(la)力(li)機(ji)(ji)(ji)維修(xiu)人(ren)員,上門維修(xiu),多年來贏得各界(jie)朋友(you)的(de)信賴與支持,歡迎咨(zi)詢(xun)。 東莞市弘(hong)(hong)寶(bao)檢測儀器有限公司lnnuzz.cn維修(xiu)咨(zi)詢(xun)電話: 阮生試(shi)(shi)驗(yan)機(ji)(ji)(ji),拉(la)力(li)機(ji)(ji)(ji)在使用過程中(zhong)常遇到哪些問題:1、試(shi)(shi)驗(yan)機(ji)(ji)(ji)突然(ran)失速或者不動:①電機(ji)(ji)(ji)尾(wei)部(bu)的(de)光電開(kai)關在長時間(jian)運(yun)行后,一(yi)側的(de)接(jie)受(shou)部(bu)位被(bei)磨(mo)損;解(jie)決辦(ban)法:更(geng)換光
    發布時(shi)間(jian):2011-05-26 08:46 點擊次數:1672 次
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