洛(luo)氏(shi)(shi)硬度計(ji)使(shi)用過(guo)程(cheng)中的常見(jian)故障分析：1.加主(zhu)(zhu)負荷時(shi)，指針轉動緩(huan)慢。主(zhu)(zhu)要(yao)原因(yin)有(you)下面幾種(zhong)：緩(huan)沖器的油(you)(you)針調節過(guo)小，緩(huan)沖器油(you)(you)太(tai)臟或粘度大，百分表測量桿有(you)較大的摩(mo)擦，主(zhu)(zhu)軸系統有(you)阻力。分析出原因(yin)后，針對進行，油(you)(you)針調節，更(geng)換(huan)合適機油(you)(you)，消除(chu)摩(mo)擦，清洗主(zhu)(zhu)軸系統。2.加主(zhu)(zhu)負荷時(shi)，指針時(shi)走時(shi)停，快慢不均勻。洛(luo)氏(shi)(shi)硬度計(ji)主(zhu)(zhu)要(yao)原因(yin)有(you)兩種(zhong)，一是(shi)洛(luo)氏(shi)(shi)硬度計(ji)緩(huan)沖器油(you)(you)缸(gang)有(you)空(kong)氣(qi)。二是(shi)硬度計(ji)不水(shui)平致使(shi)機身與(yu)砝碼發(fa)生碰撞或接觸。解(jie)決時(shi)，一要(yao)排(pai)除(chu)油(you)(you)缸(gang)中的空(kong)氣(qi)。二要(yao)調整硬度計(ji)致水(shui)平。洛(luo)氏(shi)(shi)硬度計(ji)穩(wen)定(ding)(ding)性也是(shi)科學(xue)合理(li)地(di)確定(ding)(ding)檢定(ding)(ding)周期的重(zhong)要(yao)依據之一。廈門鋁合金板材洛(luo)氏(shi)(shi)硬度計(ji)廠家

洛(luo)氏硬(ying)度(du)(du)計(ji)數顯式洛(luo)氏硬(ying)度(du)(du)計(ji)操(cao)作(zuo)(zuo)步(bu)(bu)驟，數顯洛(luo)氏硬(ying)度(du)(du)計(ji)：分兩(liang)種，初(chu)始試驗(yan)力(li)(li)手(shou)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)；主試驗(yan)力(li)(li)自(zi)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、自(zi)動(dong)(dong)(dong)(dong)(dong)保(bao)(bao)荷(he)、自(zi)動(dong)(dong)(dong)(dong)(dong)卸(xie)載(zai)；操(cao)作(zuo)(zuo)步(bu)(bu)驟：壓(ya)頭(tou)(tou)和樣(yang)品接觸(chu)，光標到“OK”處，自(zi)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、自(zi)動(dong)(dong)(dong)(dong)(dong)保(bao)(bao)荷(he)、自(zi)動(dong)(dong)(dong)(dong)(dong)卸(xie)載(zai)，自(zi)動(dong)(dong)(dong)(dong)(dong)顯示(shi)硬(ying)度(du)(du)值，分辨(bian)率(lv)0.1HR；初(chu)始試驗(yan)力(li)(li)自(zi)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)；主試驗(yan)力(li)(li)自(zi)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、自(zi)動(dong)(dong)(dong)(dong)(dong)保(bao)(bao)荷(he)、自(zi)動(dong)(dong)(dong)(dong)(dong)卸(xie)載(zai)；操(cao)作(zuo)(zuo)步(bu)(bu)驟：壓(ya)頭(tou)(tou)和樣(yang)品間距(ju)0.5mm是(shi)，按下“加(jia)(jia)載(zai)鍵”，壓(ya)頭(tou)(tou)自(zi)動(dong)(dong)(dong)(dong)(dong)下降，自(zi)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、自(zi)動(dong)(dong)(dong)(dong)(dong)保(bao)(bao)荷(he)、自(zi)動(dong)(dong)(dong)(dong)(dong)卸(xie)載(zai)，壓(ya)頭(tou)(tou)自(zi)動(dong)(dong)(dong)(dong)(dong)提升，自(zi)動(dong)(dong)(dong)(dong)(dong)顯示(shi)硬(ying)度(du)(du)值，分辨(bian)率(lv)0.1HR。長春鋁(lv)合金(jin)板材洛(luo)氏硬(ying)度(du)(du)計(ji)檢測(ce)力(li)(li)洛(luo)氏硬(ying)度(du)(du)計(ji)可代替精(jing)度(du)(du)不高的(de)里氏硬(ying)度(du)(du)計(ji)。

洛(luo)氏(shi)(shi)硬(ying)(ying)度(du)計適用(yong)于(yu)(yu)(yu)(yu)對(dui)成(cheng)批(pi)加工的成(cheng)品(pin)或半成(cheng)品(pin)工件進行逐(zhu)件檢(jian)(jian)測(ce)。洛(luo)氏(shi)(shi)硬(ying)(ying)度(du)計可(ke)測(ce)試淬火、表面(mian)淬火鋼(gang)(gang)，調質、退火鋼(gang)(gang)，冷(leng)硬(ying)(ying)鑄(zhu)件，可(ke)鍛(duan)(duan)鑄(zhu)件，硬(ying)(ying)質合金(jin)鋼(gang)(gang)，鋁(lv)合金(jin)，軸承鋼(gang)(gang)，硬(ying)(ying)化薄鋼(gang)(gang)板(ban)的硬(ying)(ying)度(du)。布(bu)氏(shi)(shi)硬(ying)(ying)度(du)計則適用(yong)于(yu)(yu)(yu)(yu)硬(ying)(ying)度(du)較(jiao)高(gao)的工件的硬(ying)(ying)度(du)測(ce)試，還可(ke)用(yong)于(yu)(yu)(yu)(yu)鑄(zhu)件、鍛(duan)(duan)件、供貨狀態的鋼(gang)(gang)材(cai)、有色金(jin)屬及(ji)經過調質熱處理(li)的半成(cheng)品(pin)鋼(gang)(gang)鐵工件。布(bu)氏(shi)(shi)硬(ying)(ying)度(du)計多(duo)用(yong)于(yu)(yu)(yu)(yu)原材(cai)料和半成(cheng)品(pin)的檢(jian)(jian)測(ce)，由于(yu)(yu)(yu)(yu)壓(ya)(ya)痕(hen)較(jiao)大(da)，一般不用(yong)于(yu)(yu)(yu)(yu)成(cheng)品(pin)檢(jian)(jian)測(ce)。它的試驗(yan)(yan)數(shu)據(ju)穩定，精度(du)高(gao)于(yu)(yu)(yu)(yu)洛(luo)氏(shi)(shi)，其(qi)缺點(dian)壓(ya)(ya)痕(hen)較(jiao)大(da)，成(cheng)品(pin)檢(jian)(jian)驗(yan)(yan)困難，試驗(yan)(yan)過程比(bi)洛(luo)氏(shi)(shi)試驗(yan)(yan)復雜，測(ce)量操作(zuo)和壓(ya)(ya)痕(hen)測(ce)量都較(jiao)費時。

洛氏(shi)(shi)硬(ying)(ying)(ying)度(du)計(ji)(ji)的(de)(de)(de)(de)維護(hu)：1.所有(you)工作平臺的(de)(de)(de)(de)基面和支撐(cheng)面應(ying)(ying)(ying)清潔光滑，且不應(ying)(ying)(ying)有(you)麻(ma)上(shang)現(xian)象應(ying)(ying)(ying)停止使用(yong)(yong)。如果壓(ya)頭為碳化鎢(wu)鋼球時，球體表面應(ying)(ying)(ying)拋光無缺陷，鋼球突出(chu)(chu)球套(tao)應(ying)(ying)(ying)不小于(yu)(yu)鋼球直徑的(de)(de)(de)(de)三分之一。2.由(you)于(yu)(yu)硬(ying)(ying)(ying)度(du)計(ji)(ji)在(zai)使用(yong)(yong)中(zhong)還(huan)受到環(huan)境(jing)溫度(du)、磁場、人員、試樣等因素(su)的(de)(de)(de)(de)影響，還(huan)會出(chu)(chu)現(xian)以(yi)上(shang)沒有(you)列舉的(de)(de)(de)(de)現(xian)象，那么(me)在(zai)以(yi)后的(de)(de)(de)(de)實(shi)際工作中(zhong)，通過具(ju)體故(gu)障分析，洛氏(shi)(shi)硬(ying)(ying)(ying)度(du)計(ji)(ji)較(jiao)終找出(chu)(chu)合(he)理解(jie)決辦法(fa)解(jie)決，并(bing)(bing)及時進行匯(hui)總保存，便于(yu)(yu)以(yi)后能夠及時迅速查(cha)找故(gu)障并(bing)(bing)準確排除(chu)。其它型號(hao)的(de)(de)(de)(de)洛氏(shi)(shi)和表面洛氏(shi)(shi)硬(ying)(ying)(ying)度(du)計(ji)(ji)的(de)(de)(de)(de)常(chang)見故(gu)障可參照本文的(de)(de)(de)(de)方法(fa)進行排除(chu)。洛氏(shi)(shi)硬(ying)(ying)(ying)度(du)計(ji)(ji)和布氏(shi)(shi)硬(ying)(ying)(ying)度(du)計(ji)(ji)在(zai)生產中(zhong)的(de)(de)(de)(de)應(ying)(ying)(ying)用(yong)(yong)都很較(jiao)多。

洛氏(shi)硬(ying)(ying)(ying)(ying)(ying)度計的(de)(de)(de)(de)維(wei)護：1.檢查工(gong)作臺(tai)正面(mian)和(he)側面(mian)及卡具(ju)，保證沒有(you)(you)損(sun)壞或外(wai)來物。電(dian)器(qi)裝置應有(you)(you)良好(hao)的(de)(de)(de)(de)接地線(xian)，以防漏電(dian)傷(shang)(shang)人。2.硬(ying)(ying)(ying)(ying)(ying)度計使用前，應按(an)試(shi)驗要求(qiu)選(xuan)擇(ze)相應的(de)(de)(de)(de)壓(ya)頭，將(jiang)壓(ya)頭用無(wu)酸汽油清(qing)洗后，裝入(ru)主軸襯(chen)套內固定(ding)。固定(ding)時應保持(chi)壓(ya)頭與(yu)主軸同心。3.所有(you)(you)工(gong)作平臺(tai)的(de)(de)(de)(de)基面(mian)和(he)支撐(cheng)面(mian)應清(qing)潔光(guang)滑，且不(bu)應有(you)(you)麻坑、洛氏(shi)硬(ying)(ying)(ying)(ying)(ying)度計大劃(hua)傷(shang)(shang)和(he)外(wai)來物，工(gong)作平臺(tai)應穩固地安裝在絲杠上(shang)，不(bu)應有(you)(you)晃(huang)(huang)動。支撐(cheng)面(mian)任何可觀察到的(de)(de)(de)(de)壓(ya)坑都(dou)會(hui)給(gei)薄材試(shi)驗造成不(bu)準確的(de)(de)(de)(de)結果。工(gong)作平臺(tai)應穩固地安裝在絲杠上(shang)，不(bu)應有(you)(you)晃(huang)(huang)動。支撐(cheng)面(mian)任何可觀察到的(de)(de)(de)(de)壓(ya)坑都(dou)會(hui)給(gei)薄材試(shi)驗造成不(bu)準確的(de)(de)(de)(de)結果。洛氏(shi)硬(ying)(ying)(ying)(ying)(ying)度計自(zi)動加載(zai)、自(zi)動保荷、自(zi)動卸載(zai)，看(kan)指(zhi)針(zhen)讀數，分辨率0.1HR。鄭州小負荷洛氏(shi)洛氏(shi)硬(ying)(ying)(ying)(ying)(ying)度計價格

洛氏硬(ying)度(du)(du)計這類零件要設計專門工作臺，使(shi)工作臺和壓頭同(tong)心(xin)。廈門鋁合金板材洛氏硬(ying)度(du)(du)計廠(chang)家

洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)是一種常(chang)用(yong)(yong)的(de)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)測(ce)試(shi)儀器優(you)點(dian)：簡單(dan)易用(yong)(yong)：洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)操作簡單(dan)，只需將試(shi)樣放置在硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)上，通過讀取指(zhi)針或數(shu)字顯示器上的(de)數(shu)值即可(ke)(ke)得(de)到硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)值。測(ce)試(shi)范圍廣：洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)可(ke)(ke)以(yi)測(ce)試(shi)各種材料的(de)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)，包(bao)括(kuo)金(jin)屬、塑料、橡(xiang)膠等。測(ce)試(shi)準(zhun)確性高(gao)：洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)具(ju)有較高(gao)的(de)測(ce)試(shi)準(zhun)確性，可(ke)(ke)以(yi)提供可(ke)(ke)靠的(de)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)數(shu)值。適(shi)(shi)用(yong)(yong)性強(qiang)：洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)適(shi)(shi)用(yong)(yong)于各種形(xing)狀和尺寸的(de)試(shi)樣，無(wu)需進行特殊處(chu)理。快速(su)(su)測(ce)量(liang)：洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)測(ce)試(shi)速(su)(su)度(du)(du)(du)(du)(du)(du)較快，通常(chang)只需幾秒(miao)鐘(zhong)即可(ke)(ke)完(wan)成一次測(ce)試(shi)。成本(ben)較低：相比其他硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)測(ce)試(shi)方法，洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)的(de)價格(ge)相對較低，適(shi)(shi)用(yong)(yong)于各種預算。總的(de)來說(shuo)，洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)具(ju)有簡單(dan)易用(yong)(yong)、測(ce)試(shi)范圍廣、測(ce)試(shi)準(zhun)確性高(gao)、適(shi)(shi)用(yong)(yong)性強(qiang)、快速(su)(su)測(ce)量(liang)和成本(ben)較低等優(you)點(dian)，因此(ci)被廣泛應用(yong)(yong)于各個(ge)行業中的(de)硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)測(ce)試(shi)工(gong)作中。廈(sha)門鋁合金(jin)板材洛(luo)(luo)氏硬(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)(du)(du)計(ji)(ji)(ji)(ji)廠家

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