低(di)溫(wen)(wen)(wen)脆性試(shi)(shi)(shi)(shi)驗機(ji) (多式樣法)試(shi)(shi)(shi)(shi)樣經沖(chong)擊后(每個試(shi)(shi)(shi)(shi)樣只準沖(chong)擊一(yi)次),如(ru)(ru)出(chu)現破壞(huai)時,應提高(gao)冷(leng)(leng)凍介質(zhi)的(de)(de)溫(wen)(wen)(wen)度(du),否則(ze)降(jiang)(jiang)低(di)其(qi)溫(wen)(wen)(wen)度(du),繼續進行試(shi)(shi)(shi)(shi)驗。通過反復試(shi)(shi)(shi)(shi)驗,確(que)定(ding)(ding)至(zhi)少(shao)有(you)兩(liang)個試(shi)(shi)(shi)(shi)樣不(bu)破壞(huai)的(de)(de)溫(wen)(wen)(wen)度(du)和(he)至(zhi)少(shao)一(yi)個試(shi)(shi)(shi)(shi)樣破壞(huai)的(de)(de)最高(gao)溫(wen)(wen)(wen)度(du),如(ru)(ru)這兩(liang)個結果相差不(bu)大于(yu)1℃時,即試(shi)(shi)(shi)(shi)驗結束。低(di)溫(wen)(wen)(wen)脆性試(shi)(shi)(shi)(shi)驗機(ji) (多式樣法)由制(zhi)(zhi)冷(leng)(leng)壓(ya)(ya)縮機(ji)主機(ji)體、加熱(re)裝(zhuang)(zhuang)置(zhi)(zhi)、電子控(kong)制(zhi)(zhi)箱、冷(leng)(leng)卻(que)(que)槽(cao)、冷(leng)(leng)卻(que)(que)介質(zhi)循環系統、自動報警(jing)裝(zhuang)(zhuang)置(zhi)(zhi)等部分組成。啟動制(zhi)(zhi)冷(leng)(leng)開(kai)關后,壓(ya)(ya)縮機(ji)開(kai)始工(gong)作,制(zhi)(zhi)冷(leng)(leng)系統進入正式工(gong)作狀(zhuang)態。制(zhi)(zhi)冷(leng)(leng)壓(ya)(ya)縮機(ji)連(lian)續不(bu)斷(duan)的(de)(de)工(gong)作,當接近(jin)設定(ding)(ding)溫(wen)(wen)(wen)度(du)時,冷(leng)(leng)卻(que)(que)槽(cao)中的(de)(de)加熱(re)裝(zhuang)(zhuang)置(zhi)(zhi)開(kai)始按比例提供(gong)熱(re)量, 用以平(ping)衡制(zhi)(zhi)冷(leng)(leng)系統產生的(de)(de)多余冷(leng)(leng)量,以達(da)到恒(heng)(heng)溫(wen)(wen)(wen)的(de)(de)目的(de)(de)。攪拌可使冷(leng)(leng)卻(que)(que)槽(cao)內的(de)(de)冷(leng)(leng)卻(que)(que)介質(zhi)不(bu)斷(duan)循環,使溫(wen)(wen)(wen)度(du)均(jun)勻(yun)一(yi)致技術(shu)參數(shu)控(kong)溫(wen)(wen)(wen)范圍:室(shi)溫(wen)(wen)(wen) ~ -80℃(室(shi)溫(wen)(wen)(wen)≤25℃)恒(heng)(heng)溫(wen)(wen)(wen)精(jing)度(du):±0.3℃       降(jiang)(jiang)溫(wen)(wen)(wen)速度(du):0℃～﹣20℃   約(yue)1.2℃/min﹣20℃～﹣30℃   約(yue)1.0℃/min30℃～﹣60℃   約(yue)0.7℃/min﹣40℃～﹣80℃   約(yue)2.0℃/min最大外(wai)形尺寸(cun):900×500×800mm(長(chang)×寬×高(gao))工(gong)作室(shi)有(you)效工(gong)作空間:260×170×150mm(長(chang)×寬×高(gao))可裝(zhuang)(zhuang)試(shi)(shi)(shi)(shi)樣數(shu)量:5

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 產品說明:本(ben)機(ji)用(yong)(yong)于(yu)測試(shi)(shi)(shi)人(ren)造革合成(cheng)革等(deng)耐(nai)寒沖擊(ji)性(xing)能,儀了解材(cai)(cai)料或成(cheng)品適(shi)應低溫氣候或寒冷(leng)(leng)地區的(de)情形。本(ben)機(ji)采(cai)(cai)(cai)用(yong)(yong)不(bu)(bu)銹(xiu)(xiu)鋼(gang)制(zhi)(zhi)成(cheng)并可(ke)(ke)以(yi)加(jia)(jia)裝各種沖擊(ji)夾(jia)具(ju),以(yi)使(shi)(shi)用(yong)(yong)不(bu)(bu)同之(zhi)要求。依據標準:GB/T38465-2020人(ren)造革合成(cheng)革試(shi)(shi)(shi)驗方(fang)(fang)法 耐(nai)寒性(xing)測定  A 法戴 189 2929 3771原理:試(shi)(shi)(shi)驗箱(xiang)(xiang)提供一個恒定低溫空間,配合特定的(de)夾(jia)具(ju),完(wan)成(cheng)不(bu)(bu)同需(xu)求的(de)測試(shi)(shi)(shi),以(yi)檢測需(xu)要的(de)性(xing)能。主要技術參數:1:測試(shi)(shi)(shi)數量(liang):8組2:試(shi)(shi)(shi)樣(yang)(yang)尺(chi)寸:長60±1mm,寬(kuan)度(du)20±1mm3:重錘(chui)質量(liang):2500±10g4:沖擊(ji)高度(du):50±1mm5:重錘(chui)與沖擊(ji)平面保(bao)(bao)(bao)持平行狀態6:每個試(shi)(shi)(shi)樣(yang)(yang)沖擊(ji)間隔5S7:沖頭直(zhi)徑:25±0.1mm8:下底(di)座直(zhi)徑:>25mm9:式(shi)樣(yang)(yang)夾(jia)具(ju)與沖擊(ji)底(di)座距離:4.0±1mm10:式(shi)樣(yang)(yang)加(jia)(jia)持距離:10±1mm11:溫度(du)范圍(wei):常(chang)溫~-4012:內(nei)箱(xiang)(xiang)約(yue):500*850*800mm13:溫度(du)精度(du)±0.5℃14:控(kong)(kong)制(zhi)(zhi)方(fang)(fang)式(shi):觸摸屏(ping)控(kong)(kong)制(zhi)(zhi)15:冷(leng)(leng)凍(dong)系統(tong):全(quan)(quan)封閉(bi)式(shi)壓縮(suo)機(ji)控(kong)(kong)制(zhi)(zhi)16:控(kong)(kong)溫方(fang)(fang)式(shi):BTC平衡(heng)調溫系統(tong)。PID方(fang)(fang)式(shi)控(kong)(kong)制(zhi)(zhi)SSPR17:視窗:二(er)格真(zhen)空層約(yue)  350*450mm18:箱(xiang)(xiang)內(nei)燈:PL燈,約(yue)13W19:電源(yuan):220V20:內(nei)箱(xiang)(xiang)材(cai)(cai)質采(cai)(cai)(cai)用(yong)(yong)不(bu)(bu)銹(xiu)(xiu)鋼(gang)304霧面板(ban),外箱(xiang)(xiang)材(cai)(cai)質用(yong)(yong)烤漆(qi)處理,保(bao)(bao)(bao)溫材(cai)(cai)質采(cai)(cai)(cai)用(yong)(yong)硬質發泡21:本(ben)機(ji)配有保(bao)(bao)(bao)護裝置(zhi)無熔絲開(kai)關,壓縮(suo)機(ji)過載(zai)保(bao)(bao)(bao)護。冷(leng)(leng)媒高壓保(bao)(bao)(bao)護開(kai)關超溫保(bao)(bao)(bao)護,報警系統(tong),報警器。22冷(leng)(leng)卻系統(tong):采(cai)(cai)(cai)用(yong)(yong)國際、全(quan)(quan)封閉(bi)壓縮(suo)機(ji)二(er)段式(shi)進行冷(leng)(leng)卻。23:溫度(du)采(cai)(cai)(cai)用(yong)(yong)平衡(heng)調溫控(kong)(kong)制(zhi)(zhi)系統(tong),以(yi)PID方(fang)(fang)式(shi)SSPR,使(shi)(shi)系統(tong)之(zhi)加(jia)(jia)熱量(liang)等(deng)于(yu)熱損(sun)耗量(liang),能長期穩定的(de)使(shi)(shi)用(yong)(yong)。24:安全(quan)(quan)性(xing)設計:多種安全(quan)(quan)保(bao)(bao)(bao)護設計及警示標志(zhi)在面板(ban)顯眼處加(jia)(jia)裝急停(ting)按鈕,保(bao)(bao)(bao)障操作者的(de)人(ren)生安全(quan)(quan)。25:冷(leng)(leng)媒采(cai)(cai)(cai)用(yong)(yong)環(huan)保(bao)(bao)(bao)冷(leng)(leng)媒,不(bu)(bu)會污染環(huan)境。26:可(ke)(ke)以(yi)配備各種夾(jia)具(ju)以(yi)完(wan)成(cheng)各種需(xu)要的(de)測試(shi)(shi)(shi)。