觸(chu)摸屏洛(luo)(luo)氏(shi)硬(ying)度(du)(du)計(ji)(ji)(ji)操作說(shuo)明：摸屏數顯洛(luo)(luo)氏(shi)硬(ying)度(du)(du)計(ji)(ji)(ji)是采(cai)用(yong)電機加(jia)卸試(shi)(shi)驗力(li)，消(xiao)除(chu)(chu)了(le)人(ren)為(wei)(wei)操作誤差；采(cai)用(yong)光柵位移傳感器測(ce)量壓痕(hen)深(shen)度(du)(du)，提(ti)高壓痕(hen)深(shen)度(du)(du)的(de)測(ce)量精度(du)(du)；硬(ying)度(du)(du)值(zhi)通過觸(chu)摸屏直接讀(du)出，消(xiao)除(chu)(chu)了(le)人(ren)為(wei)(wei)的(de)讀(du)數誤差；并可方便地將測(ce)得的(de)洛(luo)(luo)氏(shi)硬(ying)度(du)(du)值(zhi)轉(zhuan)換為(wei)(wei)其(qi)它(ta)硬(ying)度(du)(du)標尺及進(jin)行(xing)打(da)印。具有圓柱(zhu)面(mian)和球面(mian)自(zi)動(dong)修正(zheng)功能(neng)，可設置(zhi)硬(ying)度(du)(du)值(zhi)的(de)合(he)格范(fan)圍(wei)，當(dang)洛(luo)(luo)氏(shi)硬(ying)度(du)(du)計(ji)(ji)(ji)測(ce)試(shi)(shi)值(zhi)超過設定范(fan)圍(wei)時，發(fa)出報警音。具有軟件(jian)硬(ying)度(du)(du)值(zhi)修正(zheng)功能(neng)，可以(yi)在一定范(fan)圍(wei)內直接對硬(ying)度(du)(du)值(zhi)進(jin)行(xing)修正(zheng)，不必再打(da)開蓋子進(jin)行(xing)調節。全自(zi)動(dong)數顯洛(luo)(luo)氏(shi)硬(ying)度(du)(du)計(ji)(ji)(ji)，特(te)點：自(zi)動(dong)升(sheng)降絲杠(gang)、自(zi)動(dong)選(xuan)擇試(shi)(shi)驗力(li)、自(zi)動(dong)加(jia)載初(chu)試(shi)(shi)驗力(li)。長(chang)春桌上型洛(luo)(luo)氏(shi)硬(ying)度(du)(du)計(ji)(ji)(ji)哪家好

洛(luo)(luo)氏(shi)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)計檢定中常見各種誤差及處理(li)方法(fa)：被測(ce)(ce)零(ling)(ling)(ling)(ling)件(jian)(jian)影(ying)響(xiang)的(de)(de)(de)(de)因(yin)素(su)：（1）洛(luo)(luo)氏(shi)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)計不(bu)同的(de)(de)(de)(de)表(biao)(biao)(biao)面(mian)光(guang)潔度(du)(du)(du)(du)在洛(luo)(luo)氏(shi)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)測(ce)(ce)試(shi)時，表(biao)(biao)(biao)現出不(bu)同的(de)(de)(de)(de)影(ying)響(xiang)。表(biao)(biao)(biao)面(mian)光(guang)潔度(du)(du)(du)(du)愈低(di)，高硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)測(ce)(ce)試(shi)時其硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)愈高，反(fan)之硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)越(yue)低(di)，有刀(dao)痕(hen)的(de)(de)(de)(de)粗糙表(biao)(biao)(biao)面(mian)，淬火時首先較(jiao)快冷卻，或很(hen)堅硬(ying)(ying)(ying)(ying)(ying)(ying)的(de)(de)(de)(de)表(biao)(biao)(biao)層，硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)值就高。反(fan)之，調(diao)質件(jian)(jian)高溫回火時，有刀(dao)痕(hen)的(de)(de)(de)(de)表(biao)(biao)(biao)層組織(zhi)先轉變，抗回火的(de)(de)(de)(de)能力小，硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)值就低(di)。在測(ce)(ce)試(shi)表(biao)(biao)(biao)面(mian)光(guang)潔度(du)(du)(du)(du)Δ7以下的(de)(de)(de)(de)零(ling)(ling)(ling)(ling)件(jian)(jian)時，必須(xu)使用(yong)廢砂(sha)輪精(jing)磨(mo)(mo)，再用(yong)銼刀(dao)銼磨(mo)(mo)光(guang)滑(hua)，或用(yong)細的(de)(de)(de)(de)手砂(sha)輪磨(mo)(mo)光(guang)，然(ran)后揩擦干(gan)凈(jing)。（2）熱處理(li)零(ling)(ling)(ling)(ling)件(jian)(jian)表(biao)(biao)(biao)面(mian)有鹽漬、沙(sha)子等物，當加負(fu)荷時，零(ling)(ling)(ling)(ling)件(jian)(jian)會產生(sheng)滑(hua)移，若有油膩存在，金(jin)剛頭壓入時起(qi)潤滑(hua)作(zuo)用(yong)，減小磨(mo)(mo)擦，增加壓深。這兩項(xiang)原因(yin)使所測(ce)(ce)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)值偏低(di)。零(ling)(ling)(ling)(ling)件(jian)(jian)測(ce)(ce)試(shi)的(de)(de)(de)(de)部位氧(yang)化皮(pi)蔬松層薄(bo)的(de)(de)(de)(de)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)值降低(di)，氧(yang)化皮(pi)致密層厚(hou)的(de)(de)(de)(de)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)值增高。洛(luo)(luo)氏(shi)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)計對(dui)欲測(ce)(ce)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)的(de)(de)(de)(de)零(ling)(ling)(ling)(ling)件(jian)(jian)必須(xu)去除氧(yang)化皮(pi)，揩擦干(gan)凈(jing)，不(bu)得有臟物。廣(guang)州鋁合(he)金(jin)板材(cai)洛(luo)(luo)氏(shi)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)計檢測(ce)(ce)力洛(luo)(luo)氏(shi)硬(ying)(ying)(ying)(ying)(ying)(ying)度(du)(du)(du)(du)計直(zhi)接在表(biao)(biao)(biao)盤上顯示(shi)、也可以數字(zi)顯示(shi)。

洛(luo)氏硬度計檢定中常見各(ge)種誤(wu)差(cha)及(ji)處理方法：壓(ya)(ya)(ya)(ya)頭的影響：（1）金(jin)剛石(shi)壓(ya)(ya)(ya)(ya)頭不符合技術(shu)要求(qiu)或是使(shi)用一段時間(jian)(jian)后(hou)(hou)有磨損，操(cao)作(zuo)者如(ru)不能判斷金(jin)剛石(shi)的好壞(huai)，可由(you)(you)計量測試(shi)機構進行檢定。（2）鋼球壓(ya)(ya)(ya)(ya)頭強度和(he)硬度不夠，容(rong)易產(chan)生變形。鋼球扳壓(ya)(ya)(ya)(ya)扁產(chan)生長(chang)(chang)久變形后(hou)(hou)呈橢圓，短(duan)軸垂(chui)直于零(ling)(ling)件(jian)表面時，壓(ya)(ya)(ya)(ya)痕(hen)淺，示值高；長(chang)(chang)軸垂(chui)直于零(ling)(ling)件(jian)表面時，壓(ya)(ya)(ya)(ya)痕(hen)加深(shen)，示值降低(di)，鋼球允差(cha)小0.002mm。人(ren)為誤(wu)差(cha)：（1）操(cao)作(zuo)人(ren)員技術(shu)熟練程度不夠，實踐經驗(yan)較差(cha)，應(ying)由(you)(you)熟悉硬度計的人(ren)員使(shi)用；（2）洛(luo)氏硬度計加荷(he)(he)(he)過(guo)快，持荷(he)(he)(he)時間(jian)(jian)短(duan)，低(di)硬度的零(ling)(ling)件(jian)硬度偏高，而(er)加荷(he)(he)(he)過(guo)慢，持荷(he)(he)(he)時間(jian)(jian)長(chang)(chang)，硬度偏低(di)，操(cao)作(zuo)時加荷(he)(he)(he)應(ying)平整，保持一定加荷(he)(he)(he)時間(jian)(jian)。

有的客戶買了洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)，卻不知道怎么操(cao)(cao)作(zuo)洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)，下(xia)(xia)(xia)(xia)(xia)(xia)面(mian)是洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)操(cao)(cao)作(zuo)步(bu)驟(zou)。洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)量較常用的的分為指(zhi)(zhi)針(zhen)(zhen)(zhen)式(shi)(shi)、數顯式(shi)(shi)和(he)全自動(dong)(dong)(dong)(dong)(dong)洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)，下(xia)(xia)(xia)(xia)(xia)(xia)面(mian)就3種硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)，說(shuo)下(xia)(xia)(xia)(xia)(xia)(xia)操(cao)(cao)作(zuo)步(bu)驟(zou)。指(zhi)(zhi)針(zhen)(zhen)(zhen)式(shi)(shi)分兩種，一(yi)種是手(shou)動(dong)(dong)(dong)(dong)(dong)洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)，一(yi)種是電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)，下(xia)(xia)(xia)(xia)(xia)(xia)面(mian)是操(cao)(cao)作(zuo)步(bu)驟(zou)。手(shou)動(dong)(dong)(dong)(dong)(dong)洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)：初始(shi)試驗(yan)(yan)力手(shou)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)；主試驗(yan)(yan)力手(shou)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、手(shou)動(dong)(dong)(dong)(dong)(dong)卸載(zai)；操(cao)(cao)作(zuo)步(bu)驟(zou)：壓頭和(he)樣(yang)品(pin)接(jie)觸(chu)，大指(zhi)(zhi)針(zhen)(zhen)(zhen)轉三(san)圈，手(shou)動(dong)(dong)(dong)(dong)(dong)扳下(xia)(xia)(xia)(xia)(xia)(xia)加(jia)(jia)力手(shou)柄加(jia)(jia)載(zai)，在手(shou)推(tui)下(xia)(xia)(xia)(xia)(xia)(xia)手(shou)柄卸載(zai)，看(kan)指(zhi)(zhi)針(zhen)(zhen)(zhen)讀數，分辨(bian)率(lv)(lv)0.5HR；電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)：初始(shi)試驗(yan)(yan)力手(shou)動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)；主試驗(yan)(yan)力自動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、自動(dong)(dong)(dong)(dong)(dong)保荷、自動(dong)(dong)(dong)(dong)(dong)卸載(zai)（需(xu)要按(an)下(xia)(xia)(xia)(xia)(xia)(xia)“加(jia)(jia)載(zai)鍵”；飽和(he)時間(jian)可調）;操(cao)(cao)作(zuo)步(bu)驟(zou)：壓頭和(he)樣(yang)品(pin)接(jie)觸(chu)，洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)大指(zhi)(zhi)針(zhen)(zhen)(zhen)轉三(san)圈，按(an)下(xia)(xia)(xia)(xia)(xia)(xia)“加(jia)(jia)載(zai)鍵”，自動(dong)(dong)(dong)(dong)(dong)加(jia)(jia)載(zai)、自動(dong)(dong)(dong)(dong)(dong)保荷、自動(dong)(dong)(dong)(dong)(dong)卸載(zai)，看(kan)指(zhi)(zhi)針(zhen)(zhen)(zhen)讀數，分辨(bian)率(lv)(lv)0.1HR。洛(luo)氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)計(ji)工程(cheng)陶(tao)瓷是一(yi)種高硬(ying)(ying)(ying)(ying)度(du)(du)(du)材料(liao)，用布氏(shi)(shi)硬(ying)(ying)(ying)(ying)度(du)(du)(du)測定方法顯然是不適(shi)宜的。

硬度(du)計(ji)(ji)樣(yang)品(pin)臺及(ji)標(biao)準(zhun)硬度(du)塊(kuai)表面(mian)應保持清潔無劃痕、擦、碰傷(shang)。當標(biao)準(zhun)硬度(du)塊(kuai)達到(dao)使(shi)用期限時要及(ji)時更換標(biao)準(zhun)硬度(du)塊(kuai)，以免(mian)造成測(ce)量結果(guo)不(bu)準(zhun)確。測(ce)試(shi)時被測(ce)樣(yang)品(pin)要平穩放(fang)置，支承可(ke)靠，確保在(zai)測(ce)試(shi)過程中無任(ren)何位移、變形。日常工作環(huan)境及(ji)關(guan)機后(hou)應注(zhu)意(yi)防(fang)塵(chen)、防(fang)腐(fu)蝕介質。樣(yang)品(pin)臺升(sheng)降絲(si)杠應定期潤(run)滑(hua)。具體方(fang)法為：取(qu)下樣(yang)品(pin)臺及(ji)保護環(huan)，松開(kai)絲(si)杠護套，向絲(si)杠上注(zhu)入數滴(di)輕質潤(run)滑(hua)油，然后(hou)轉動(dong)手(shou)輪，反(fan)復(fu)升(sheng)降絲(si)杠，使(shi)潤(run)滑(hua)油分布均(jun)勻。較后(hou)重新裝好(hao)護套等物。洛(luo)氏(shi)硬度(du)計(ji)(ji)注(zhu)意(yi)潤(run)滑(hua)油不(bu)宜注(zhu)入過多。硬度(du)計(ji)(ji)周期檢定與校準(zhun)應按國(guo)家相(xiang)關(guan)標(biao)準(zhun)規(gui)定進(jin)行。可(ke)到(dao)國(guo)家規(gui)定的計(ji)(ji)量院做(zuo)第三方(fang)檢測(ce)報告。洛(luo)氏(shi)硬度(du)計(ji)(ji)鑒別(bie)試(shi)件較小厚度(du)和(he)測(ce)定試(shi)驗的環(huan)境溫度(du)。長春桌(zhuo)上型洛(luo)氏(shi)硬度(du)計(ji)(ji)哪家好(hao)

洛氏硬度計注意如強度、疲勞、蠕變、磨損和(he)內(nei)損等(deng)。長春(chun)桌上型洛氏硬度計哪家好

全自動洛氏(shi)螺(luo)(luo)栓(shuan)(shuan)(shuan)測(ce)(ce)試硬(ying)度計(ji)整套模(mo)具(ju)的(de)(de)結構大(da)體分(fen)為下底(di)板(ban)(ban)(ban)(ban)和工(gong)(gong)裝(zhuang)(zhuang)2部分(fen)。其中(zhong)(zhong)工(gong)(gong)裝(zhuang)(zhuang)由(you)大(da)型(xing)螺(luo)(luo)栓(shuan)(shuan)(shuan)工(gong)(gong)裝(zhuang)(zhuang)、小型(xing)螺(luo)(luo)栓(shuan)(shuan)(shuan)工(gong)(gong)裝(zhuang)(zhuang)和螺(luo)(luo)桿工(gong)(gong)裝(zhuang)(zhuang)。小型(xing)螺(luo)(luo)栓(shuan)(shuan)(shuan)工(gong)(gong)裝(zhuang)(zhuang)由(you)固(gu)定板(ban)(ban)(ban)(ban)、墊(dian)(dian)鐵(tie)、底(di)板(ban)(ban)(ban)(ban)、墊(dian)(dian)條(tiao)組成；大(da)型(xing)螺(luo)(luo)栓(shuan)(shuan)(shuan)工(gong)(gong)裝(zhuang)(zhuang)由(you)固(gu)定板(ban)(ban)(ban)(ban)、墊(dian)(dian)鐵(tie)、V型(xing)條(tiao)、底(di)板(ban)(ban)(ban)(ban)組成；螺(luo)(luo)桿工(gong)(gong)裝(zhuang)(zhuang)由(you)V型(xing)條(tiao)、擋板(ban)(ban)(ban)(ban)、底(di)板(ban)(ban)(ban)(ban)組成。模(mo)具(ju)材料為GGr15 ，易磨損零件經熱(re)處理(li)，硬(ying)度在55到60之(zhi)(zhi)間。夾(jia)具(ju)經過(guo)發(fa)黑處理(li),不會產生生銹現象。模(mo)具(ju)重量(liang)為4.76KG。硬(ying)度測(ce)(ce)量(liang)系統中(zhong)(zhong)為了方便自動測(ce)(ce)量(liang)，程序(xu)(xu)(xu)設定了若干(gan)打(da)(da)點(dian)(dian)序(xu)(xu)(xu)號之(zhi)(zhi)后(hou)(hou)，程序(xu)(xu)(xu)會在點(dian)(dian)擊“多點(dian)(dian)開始”按鈕之(zhi)(zhi)后(hou)(hou)開始單(dan)物件的(de)(de)多點(dian)(dian)測(ce)(ce)量(liang)，會在指定的(de)(de)位(wei)置序(xu)(xu)(xu)號上(shang)(shang)分(fen)別打(da)(da)點(dian)(dian)進(jin)行測(ce)(ce)量(liang)，測(ce)(ce)量(liang)結果會出(chu)現在測(ce)(ce)量(liang)結果的(de)(de)列表(biao)框中(zhong)(zhong)，選(xuan)擇(ze)“首點(dian)(dian)偏移”，第1點(dian)(dian)打(da)(da)壓不計(ji)入到較終數(shu)據中(zhong)(zhong)。通過(guo)下圖中(zhong)(zhong)的(de)(de)X、Y值來指定在對應序(xu)(xu)(xu)號上(shang)(shang)的(de)(de)位(wei)置進(jin)行分(fen)別打(da)(da)點(dian)(dian)測(ce)(ce)量(liang)。打(da)(da)壓結束后(hou)(hou)，洛氏(shi)硬(ying)度計(ji)如(ru)對某點(dian)(dian)有疑問可以選(xuan)擇(ze)“補測(ce)(ce)工(gong)(gong)件號”，點(dian)(dian)擊“補測(ce)(ce)開始”，硬(ying)度計(ji)會重新打(da)(da)點(dian)(dian)。長春桌(zhuo)上(shang)(shang)型(xing)洛氏(shi)硬(ying)度計(ji)哪家好

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