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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>工業(yè)硬度機(jī)操作方法,硬度機(jī)</p><p><span>***更新：</span>2020-12-27 09:05:36</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2vmgrda" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海尚材試驗(yàn)機(jī)有限公司</a></p><p><span>聯(lián)系人：</span>衛(wèi)志清</p><p><span>郵箱: </span>shangcaisy@163.com</p><p><span>電話: </span>17765160728</p><p><span>傳真: </span>021_57520236</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-50393010</p><p><span>地址: </span>奉城鎮(zhèn)奉旺路373號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="e3y8odp" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3mtvhov" class="box"><p><p> 使用以上這些標(biāo)尺時(shí)其**小厚度要求參見(jiàn)本書(shū)中洛氏硬度試驗(yàn)方法內(nèi)容。3維氏硬度檢測(cè)鋁及鋁合金箔材和帶材厚度均較薄且較軟，我國(guó)鋁合金箔材厚度界限為，因此，對(duì)于箔材和小于1mm厚度的帶材宜選用小負(fù)荷維氏或顯微維氏實(shí)驗(yàn)法進(jìn)行硬度檢測(cè)。試驗(yàn)力選用應(yīng)根據(jù)材料硬度和厚度選定，推薦的試驗(yàn)力選用參考表27—2和表27—3。里氏硬度檢測(cè)及換算鋁合金大型鑄件，工業(yè)硬度機(jī)操作方法、鍛壓件和不便拆卸的組裝件可用里氏硬度法檢測(cè)其硬度。用里氏法檢測(cè)時(shí)應(yīng)用D型或DC型沖擊裝置，其測(cè)量范圍在200~560HL間，相對(duì)應(yīng)布氏硬度值為30~160HB。鑄造鋁合金里氏與布氏硬度換算表參見(jiàn)27—4，有關(guān)里氏試驗(yàn)方法及儀器、操作等參見(jiàn)本書(shū)***部里氏硬度檢測(cè)方法。韋氏硬度檢測(cè)在用韋氏硬度檢測(cè)鋁合金材料中，工業(yè)硬度機(jī)操作方法，工業(yè)硬度機(jī)操作方法，應(yīng)用**多的是鋁合金型材廠和建筑行業(yè)中用鋁合金門(mén)幕墻的硬度檢測(cè)。國(guó)家標(biāo)準(zhǔn)GB/T5237鋁合金建筑型材料中規(guī)定用韋氏硬度計(jì)測(cè)量硬度，建筑行業(yè)標(biāo)準(zhǔn)JJG139—2001《玻璃幕墻安裝質(zhì)量檢驗(yàn)方法》中規(guī)定，對(duì)于幕墻工程所用鋁型材，應(yīng)使用韋氏硬度計(jì)進(jìn)行現(xiàn)場(chǎng)檢測(cè)，硬度合格值為＞8HW（相當(dāng)于52HBS）。此外，韋氏硬度計(jì)還可用于測(cè)量鋁合金板材和管材。測(cè)量的適用合金范圍從1XXX到7XXX。當(dāng)需要時(shí)，硬度計(jì)就成為生產(chǎn)周期的相關(guān)要素。工業(yè)硬度機(jī)操作方法</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)硬度機(jī)操作方法,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776439033203/1088694.jpg"></div><p> 偏析程度隨鋼材直徑增加而嚴(yán)重CR12MOV模具鋼材供貨狀態(tài)編輯供貨品種有熱軋材、鍛材、冷拉材、熱軋鋼板和冷拉鋼絲退?態(tài),硬度255~207HBW,壓痕直徑~。[1]CR12MOV模具鋼材適用范圍編輯用于制造截面較大、形狀復(fù)雜、工作條件繁重下的各種冷沖模具和工具，如沖孔凹模、切邊模、滾邊模、鋼板Cr12Mov厚板深拉伸模、圓鋸、標(biāo)準(zhǔn)工具和量規(guī)、螺紋滾模等。CR12MOV模具鋼材化學(xué)成份編輯碳C：～CR12MOV模具鋼材硅Si：≤鉻Cr：～鎳Ni：允許殘余含量≤銅Cu：允許殘余含量≤釩V：～鉬Mo：～CR12MOV模具鋼材硬度編輯退火,255～207HB,壓痕直徑～,≥58HRC熱處理1)淬火,950～1000℃油冷;2)淬火1020℃,200℃回火CR12MOV模具鋼材深冷處理編輯CR12MOV模具鋼材經(jīng)深冷處理，深冷處理可使淬火馬氏體析出高度彌散的超微細(xì)碳化物，隨后進(jìn)行200℃低溫回火后，這些超微細(xì)碳化物可轉(zhuǎn)變?yōu)樘蓟?。未?jīng)深冷處理的馬氏體，在低溫周火后，*在某些局部區(qū)域析出有少量的碳化物。CR12MOV模具鋼材采用低溫化學(xué)熱處理方法,在保持CR12MOV模具鋼材高硬度和高耐磨性的基礎(chǔ)上,離子滲氮、氣體氮碳共滲、鹽浴硫氰共滲種常用的低溫化學(xué)熱處理滲層的粘著抗力。3種低溫化學(xué)熱處理滲層均有顯若的抗沖擊粘著作用。工業(yè)硬度機(jī)操作方法石膏硬度計(jì)適用于建筑石膏硬度測(cè)量，測(cè)量在固定荷載作用下球痕的深度，經(jīng)計(jì)算得出試件的石膏硬度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)硬度機(jī)操作方法,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776406357422/7324439.jpg"></div><p> 7)如果在目鏡中觀察到的成像呈模糊狀或一半清晰一半模糊，則說(shuō)明光源中心偏離系統(tǒng)光路中心，需調(diào)節(jié)燈泡的中心位置。如果視場(chǎng)太暗或太亮可通過(guò)操作面板(6)上的軟鍵調(diào)節(jié)光源強(qiáng)弱。(8)如果想觀察試塊或試樣上的較大視場(chǎng)范圍，可將物鏡壓頭轉(zhuǎn)換手柄逆時(shí)針轉(zhuǎn)至主體前方，此時(shí)，光學(xué)系統(tǒng)總放大倍率為100X，處于觀察狀態(tài)。當(dāng)轉(zhuǎn)換1OX和40X物鏡時(shí)聚焦面有微量變化，可微調(diào)升降絲桿進(jìn)行聚焦。(9)將轉(zhuǎn)換手柄逆時(shí)針轉(zhuǎn)動(dòng)，使壓頭主軸處于主體前方，此時(shí)壓頭前列(1)與聚焦好的平面之間間隙約為～。當(dāng)測(cè)量不規(guī)則的試樣時(shí)要小心，防止壓頭碰及試樣，損壞壓頭。(10)根據(jù)試驗(yàn)要求在操作面板上鍵入試驗(yàn)力延時(shí)保荷時(shí)間，每鍵入一次變化為五秒，[十]為加，[－]為減。(11)按下操作面板(6)上的[START]鍵，此時(shí)加試驗(yàn)力，[LOADING]LED指示燈亮。(12)試驗(yàn)力保持階段時(shí)，延時(shí)[DWELL]LED亮，此時(shí)LCD屏上T按所選擇時(shí)間倒計(jì)數(shù)，延時(shí)時(shí)間到，試驗(yàn)力卸除，卸試驗(yàn)力(UNLOADING)LED亮。在LED未滅前，不要轉(zhuǎn)動(dòng)壓頭測(cè)量轉(zhuǎn)換手柄，否則會(huì)影響壓痕測(cè)量精度，甚至損壞儀器。(13)將轉(zhuǎn)換手柄順時(shí)針轉(zhuǎn)動(dòng)，使40X物鏡處于主體前方。這時(shí)就可在測(cè)微目鏡中測(cè)量對(duì)角線長(zhǎng)度。(14)先將測(cè)微目鏡右邊的鼓輪順時(shí)針旋轉(zhuǎn)。</p><p> 對(duì)于表面洛氏硬度，S=。每一洛氏硬度單位對(duì)應(yīng)的壓痕深度，洛氏硬度為，表面洛氏硬度為。壓痕越淺，硬度越高。洛氏硬度試驗(yàn)分為2種，一種是普通洛氏硬度試驗(yàn)，一種是表面洛氏硬度試驗(yàn)。洛氏硬度試驗(yàn)采用1200金剛石圓錐和?、?，采用60kg、100kg、150kg三種試驗(yàn)力，它們共有九種組合，對(duì)應(yīng)于洛氏硬度的九個(gè)標(biāo)尺，即HRA、HRB、HRC、HRD、HRE、HRF、HRG、HRH、HRK。表面洛氏硬度試驗(yàn)采用1200金剛石圓錐和，采用15kg、30kg、45kg三種試驗(yàn)力，它們共有六種組合，對(duì)應(yīng)于表面洛氏的六個(gè)標(biāo)尺，即HR15N、HR30N、HR45N、HR15N、HR30T、HR45T。洛氏硬度試驗(yàn)條件如表2－１所示。洛氏硬度標(biāo)尺的選用如表2－2所示表2－1洛氏硬度試驗(yàn)條件洛氏硬度標(biāo)尺技術(shù)條件洛氏硬度標(biāo)尺硬度符號(hào)壓頭類型初試驗(yàn)力F0（N）主試驗(yàn)力F1（N）總試驗(yàn)力F0+F1（N）適用范圍AHRA120°金剛石圓錐20～88HRABHRB20～100HRBCHRC120°金剛石圓錐～70HRCDHRD120°金剛石圓錐40～77HRDEHRE70～100HREFHRF60～100HRFGHRG～94HRGHHRH80～100HRHKHRK～100HRK表面洛氏硬度標(biāo)尺技術(shù)條件表面洛氏硬度標(biāo)尺硬度符號(hào)壓頭類型初試驗(yàn)力F0（N）主試驗(yàn)力F1（N）總試驗(yàn)力F0+F1。里氏硬度（Dietmar Leeb）里氏硬度是根據(jù)***的里氏硬度測(cè)試原理利用先進(jìn)技術(shù)的微處理器技術(shù)設(shè)計(jì)而成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)硬度機(jī)操作方法,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776472285156/7820234.jpg"></div><p> 否則應(yīng)將吊環(huán)掛于重點(diǎn)刀刃上，校直吊架吊桿；（5）主軸與試臺(tái)平臺(tái)垂直度，主軸軸線與升降絲桿軸線同軸度超差，應(yīng)分析視其情況進(jìn)行主軸與試臺(tái)平臺(tái)垂直度、主軸軸線與升降絲桿軸線同軸度的調(diào)整。4、硬度計(jì)反復(fù)加卸載荷造成這種故障的原因及排除方法：（1）按鍵開(kāi)關(guān)頂桿過(guò)長(zhǎng)，轉(zhuǎn)向開(kāi)關(guān)A、B觸點(diǎn)與A1、B1觸點(diǎn)不能脫開(kāi)，應(yīng)調(diào)節(jié)頂桿長(zhǎng)度并固定之；（2）換向開(kāi)關(guān)安裝位置不當(dāng)，活動(dòng)擋板不能觸動(dòng)換向開(kāi)關(guān)上的銷子，造成換向開(kāi)關(guān)不換向，應(yīng)調(diào)整換向開(kāi)關(guān)的安裝位置。5、硬度計(jì)載荷全部加上時(shí)停機(jī)此種故障原因?yàn)閾Q向開(kāi)關(guān)接觸點(diǎn)有燒傷、燒蝕現(xiàn)象，造成接觸點(diǎn)接觸不良，應(yīng)對(duì)接觸點(diǎn)加以清理打磨或更換新的換向開(kāi)關(guān)。6、按鍵開(kāi)關(guān)按下，硬度計(jì)不動(dòng)作，但有嗡嗡的電流聲此種故障原因?yàn)殡姍C(jī)缺相，應(yīng)檢查電源是否正常，電源插頭是否插好，電纜線是否有斷路，電源開(kāi)關(guān)是否完好，電機(jī)接線是否接牢，電機(jī)線圈是否燒壞一組以及換向開(kāi)關(guān)觸點(diǎn)接觸是否良好等，應(yīng)視其情況分別予以排除。顯微硬度計(jì)是采用精密機(jī)械技術(shù)和光電技術(shù)的新型顯微維氏和努氏硬度測(cè)試儀器。工業(yè)硬度機(jī)操作方法</p><p style="text-indent:25px">HRC：是采用150kg載荷和鉆石錐壓入器求得的硬度，用于硬度很高的材料（如淬火鋼等）。工業(yè)硬度機(jī)操作方法</p><p> 鋼材的硬度:金屬硬度(Hardness)的代號(hào)為H。按硬度試驗(yàn)方法的不同，●常規(guī)表示有布氏(HB)、洛氏(HRC)、維氏(HV)、里氏(HL)硬度等，其中以HB及HRC較為常用。●HB應(yīng)用范圍較廣，HRC適用于表面高硬度材料，如熱處理硬度等。兩者區(qū)別在于硬度計(jì)之測(cè)頭不同，布氏硬度計(jì)之測(cè)頭為鋼球，而洛氏硬度計(jì)之測(cè)頭為金剛石?！馠V-適用于顯微鏡分析。維氏硬度(HV)以120kg以內(nèi)的載荷和頂角為136°的金剛石方形錐壓入器壓入材料表面，用材料壓痕凹坑的表面積除以載荷值，即為維氏硬度值(HV)。●HL手提式硬度計(jì)，測(cè)量方便，利用沖擊球頭沖擊硬度表面后，產(chǎn)生彈跳;利用沖頭在距試樣表面1mm處的回彈速度與沖擊速度的比值計(jì)算硬度，公式:里氏硬度HL=1000×VB(回彈速度)/VA(沖擊速度)?！衲壳?*常用的便攜式里氏硬度計(jì)用里氏(HL)測(cè)量后可以轉(zhuǎn)化為:布氏(HB)、洛氏(HRC)、維氏(HV)、肖氏(HS)硬度?；蛴美锸显碇苯佑貌际?HB)、洛氏(HRC)、維氏(HV)、里氏(HL)、肖氏(HS)測(cè)量硬度值。時(shí)代公司生產(chǎn)的TH系列里氏硬度計(jì)就有此功能，是傳統(tǒng)臺(tái)式硬度機(jī)的有益補(bǔ)充!"1、HB-布氏硬度:布氏硬度(HB)一般用于材料較軟的時(shí)候，如有色金屬、熱處理之前或退火后的鋼鐵。洛氏硬度(HRC)一般用于硬度較高的材料。工業(yè)硬度機(jī)操作方法</p><p> 上海尚材試驗(yàn)機(jī)有限公司是專業(yè)生產(chǎn)各種類型金屬、非金屬材料硬度計(jì)的公司，是ISO9001-2015國(guó)際質(zhì)量體系認(rèn)證企業(yè)，是上海市****，是全國(guó)鋼標(biāo)準(zhǔn)化技術(shù)委員會(huì)力學(xué)分會(huì)委員單位之一，并參與了洛氏、布氏和維氏硬度試驗(yàn)國(guó)家標(biāo)準(zhǔn)的修編。公司主要開(kāi)發(fā)布氏、洛氏、顯微、維氏硬度計(jì)，共有30多個(gè)品種，產(chǎn)品質(zhì)量穩(wěn)定、功能完善，****各地并出口歐美、中東、亞洲、非洲、澳洲等國(guó)際市場(chǎng)，深受國(guó)內(nèi)外商客青睞。 </p> <p> 公司擁有十?dāng)?shù)年穩(wěn)定研發(fā)團(tuán)隊(duì)，業(yè)內(nèi)專業(yè)顧問(wèn)團(tuán)隊(duì)。20畝生產(chǎn)基地，5棟標(biāo)準(zhǔn)工業(yè)廠房，坐擁長(zhǎng)三角地理優(yōu)勢(shì)，堅(jiān)持5S管理多年。擁有完備的機(jī)加工車間，CNC、數(shù)控機(jī)床等各類加工設(shè)備逾50臺(tái)，專業(yè)技術(shù)工人近80人，制造時(shí)間和品質(zhì)掌控在手。公司高度關(guān)注“技術(shù)創(chuàng)新、市場(chǎng)營(yíng)銷、生產(chǎn)管理、企業(yè)文化”四大領(lǐng)域，將不斷推行“標(biāo)準(zhǔn)化、科學(xué)化、精細(xì)化”的現(xiàn)代管理方式，目標(biāo)將自身打造成“高品位、高效率、高質(zhì)量、優(yōu)服務(wù)”的現(xiàn)代先進(jìn)制造企業(yè)。 </p> <p> 在“中國(guó)制造2025”強(qiáng)國(guó)戰(zhàn)略**下，我們立志為自己在世界硬度計(jì)行業(yè)占據(jù)一席之地盡全部力量；為振興中國(guó)民營(yíng)制造業(yè)，詮釋“MADE IN CHINA”新概念盡到自己綿薄之力！ </p></p><br /><p>文章來(lái)源地址: 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