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當前(qian)位(wei)置(zhi):首(shou)頁 > 技術(shu)文章(zhang) > 零(ling)跌(die)落試(shi)驗的真相妳了解(jie)嗎?

自由跌(die)落試(shi)驗適(shi)用(yong)於(yu)那些(xie)在運(yun)輸(shu)、搬運(yun)或(huo)者維修(xiu)中(zhong)可(ke)能會從運(yun)輸(shu)工具(ju)或(huo)工作(zuo)臺面(mian)上(shang)跌(die)落下來(lai)的試(shi)驗樣品(pin),那(na)些(xie)重(zhong)量大(da)或體(ti)積大(da)的試(shi)驗樣品(pin)不在(zai)本(ben)試(shi)驗之列。自由跌(die)落試(shi)驗分兩種方(fang)法(fa):
壹,自由跌(die)落通(tong)常(chang)用(yong)來(lai)模(mo)擬非(fei)包裝(zhuang)狀(zhuang)態(tai)的產(chan)品在(zai)搬運(yun)期(qi)間(jian)由於(yu)粗率(lv)裝(zhuang)卸經(jing)受(shou)到(dao)自由跌(die)落,以(yi)確(que)定(ding)其適應性(xing)或確(que)定(ding)安全要(yao)求(qiu)用(yong)的低(di)牢固(gu)等(deng)級。這(zhe)種試(shi)驗樣品(pin)也包(bao)括(kuo)了在運(yun)輸(shu)箱中其包裝(zhuang)可(ke)作(zuo)為樣品(pin)壹(yi)部(bu)分的試(shi)驗樣品(pin)。
二(er),重(zhong)復自由跌(die)落通(tong)常(chang)用(yong)來(lai)模(mo)擬附在電(dian)纜上的連(lian)接(jie)器(qi)、小(xiao)型遙控裝(zhuang)置等(deng)在(zai)使(shi)用(yong)中可(ke)能經受(shou)到(dao)的重(zhong)復自由跌(die)落,它(ta)是通(tong)過旋轉滾筒,使(shi)試(shi)驗樣品(pin)從規定的高(gao)度(du)重(zhong)復跌(die)落到(dao)規定的表面(mian)上(shang),以(yi)確(que)定(ding)可(ke)能頻繁跌(die)落到(dao)硬(ying)表面(mian)的接(jie)有(you)電(dian)纜的元(yuan)件型(xing)裝(zhuang)置經(jing)受(shou)重(zhong)復跌(die)落的適(shi)應性(xing),試(shi)驗的結(jie)果可(ke)通過試(shi)驗樣品(pin)的機(ji)械、電(dian)性能的變(bian)化來(lai)評(ping)定。
零(ling)跌(die)落試(shi)驗機(ji)主(zhu)要(yao)用(yong)於(yu)考核包裝(zhuang)件在(zai)實際運(yun)輸(shu)、裝(zhuang)卸過程中受到跌(die)落沖擊的影(ying)響(xiang)程度(du),評(ping)定包(bao)裝(zhuang)件在(zai)搬運(yun)過程中耐(nai)沖擊強度(du)和包(bao)裝(zhuang)設計的合(he)理性。 零(ling)跌(die)落試(shi)驗機(ji)主(zhu)要(yao)用(yong)於(yu)較大(da)型包(bao)裝(zhuang)件作(zuo)跌(die)落試(shi)驗。
跌(die)落試(shi)驗原(yuan)理:
零(ling)跌(die)落試(shi)驗機(ji)由壹(yi)個(ge)可(ke)以(yi)快速向下移動的E型(xing)叉作(zuo)為試(shi)件托(tuo)架,被試(shi)貨物按試(shi)驗要(yao)求(qiu)(面(mian)、
棱(leng)、角實驗)放置(zhi)平(ping)衡(heng)。試(shi)驗時,托(tuo)板(ban)高(gao)速向下運(yun)動(dong),脫離試(shi)件,“E”型(xing)叉在(zai)被試(shi)包裝(zhuang)貨物跌(die)
落至(zhi)底(di)版前(qian),已(yi)在減(jian)振器(qi)的作(zuo)用(yong)下,嵌平(ping)於(yu)底(di)版,從理論上(shang),零(ling)跌(die)落試(shi)驗機(ji)可(ke)從零(ling)高(gao)度(du)至大(da)跌(die)落高(gao)度(du)範(fan)圍(wei)作(zuo)跌(die)落試(shi)驗,跌(die)落高(gao)度(du)通過試(shi)驗要(yao)求(qiu)進行(xing)數字(zi)設(she)定,並按設(she)定(ding)高(gao)度(du)自動執行(xing)跌(die)落試(shi)驗。
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