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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="ivkrt2f" class="twoCol"><div id="dr2s3en" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_shiyanji/">試驗(yàn)機(jī)</a>?<a href="http://www.cdcfah.com/cp/third-shiyanji_yingduji/">硬度計(jì)</a>?微型硬度機(jī)源頭廠家上海尚材試驗(yàn)機(jī)供應(yīng)</p><div id="j73q7ce" class="leftbox clearfix"><h1>微型硬度機(jī)源頭廠家上海尚材試驗(yàn)機(jī)供應(yīng)</h1><div id="e48wyac" class="proBig"><div id="3pby8pr" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776486337890/6954563.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mtxjgnz" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776486337890/6954563.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ahognub" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>微型硬度機(jī)源頭廠家,硬度機(jī)</p><p><span>***更新：</span>2021-01-03 20:22:15</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="h7j2ebd" 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</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="wnp23uw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kzbioqo" class="box"><p><p> (1)轉(zhuǎn)動(dòng)試驗(yàn)力變換手輪，使試驗(yàn)力符合選擇要求。旋轉(zhuǎn)試驗(yàn)力變換手輪時(shí)，應(yīng)小心緩慢地進(jìn)行，防止過快產(chǎn)生沖擊。(2)打開電源開關(guān)(22),指示燈(21)及光源燈(10)亮。LCD屏上顯示此時(shí)試驗(yàn)力變換手輪所指示的試驗(yàn)力，并顯示94年8月8日初始化日期。(3)這時(shí)光標(biāo)在94年下顯示，按下[TIME]或[TIME-]鍵,可遞增或遞減，每按一次遞增或遞減5個(gè)數(shù)字。年份選擇后，按下[SPECI]鍵選擇月份，這時(shí)光標(biāo)在8月下顯示，數(shù)次按下[TIME]或[TIME-]鍵選擇月份.再按下[SPECI]，這時(shí)光標(biāo)在8日下顯示，如上所述選擇日期。當(dāng)測試結(jié)果輸出打印時(shí)，相應(yīng)打出所鍵入的年月日期。如不需打印日期時(shí)，可連按三次[SPECI]鍵。(4)日期鍵入后，LCD屏上顯示D1、D2、HV，微型硬度機(jī)源頭廠家、N等字母，即表示儀器己進(jìn)入工作狀態(tài)。(5)轉(zhuǎn)動(dòng)物鏡、壓頭轉(zhuǎn)換手柄(16)，使40X物鏡(18)處于主體前方位置。(光學(xué)系統(tǒng)總放大倍率為400×，微型硬度機(jī)源頭廠家，處于測量狀態(tài)，微型硬度機(jī)源頭廠家。)(6)將標(biāo)準(zhǔn)試塊或試樣安放在試臺上，轉(zhuǎn)動(dòng)旋輪(20)使試臺上升。眼睛接近測微目鏡觀察。當(dāng)試樣離物鏡下端2～3mm時(shí)，在目鏡的視場中心出現(xiàn)明亮光斑，說明聚焦面即將來到，此時(shí)應(yīng)緩慢微量上升，直至在目鏡中觀察到試塊或試樣表面的清晰成像，這時(shí)聚焦過程完成。。硬度試驗(yàn)是機(jī)械性能試驗(yàn)中**簡單易行的一種試驗(yàn)方法。微型硬度機(jī)源頭廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="微型硬度機(jī)源頭廠家,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776486337890/6954563.jpg"></div><p> 并加進(jìn)1%之鉬,經(jīng)熱處理後可達(dá)較理想之硬度(HRc5,卻保留了420系鋼材之優(yōu)良加工性,故極宜應(yīng)用於廠制dao具。美國著明之BUCK及GERBER兩大刀廠已於90年代選用425M作為其刀身材料。★9Cr18:國產(chǎn)質(zhì)量不銹耐酸鋼材，含鉻量達(dá)18%,含碳量,，廣泛應(yīng)用于自動(dòng)車床零件.纖維廠機(jī)具.石油工業(yè)耐腐蝕及耐磨零件.手術(shù)dao具.外科器械，耐蝕性能力極優(yōu)，加工性極優(yōu)。經(jīng)熱處理后硬度可達(dá)HRc58。★440-C:美國制之質(zhì)量不銹鋼材,含鉻量高達(dá)16-18%。**初被應(yīng)用於外科手術(shù)dao具及船舶業(yè),耐蝕性能極優(yōu);韌性強(qiáng)?，F(xiàn)更廣泛應(yīng)用於手制刀及質(zhì)量刀廠制dao具的鋼材。含碳量約1%(440系分A,B,C,及F級;C級及F級含碳量高,而A級則較少)。經(jīng)熱處理后硬度可達(dá)HRc58。★9Cr18Mo:國產(chǎn)之質(zhì)量不銹鋼材，含鉻量達(dá)18%,含1%鉬,含碳量,主要應(yīng)用于弱腐蝕介質(zhì)零件、醫(yī)療工具彈簧、滾動(dòng)軸承、手術(shù)dao具、外科器械，耐蝕性能力極優(yōu)，加工性極優(yōu),經(jīng)熱處理后硬度可達(dá)HRc58?！?54CM:美國制質(zhì)量不銹鋼材,鉻含量達(dá)15%,鉬含量達(dá)4%;故定名為154CM。乃近代手制刀之一代宗師率先所采用。加工性極優(yōu),耐蝕性,刀鋒耐損性及韌性皆強(qiáng),但售價(jià)較高,一般被應(yīng)用於手制dao具。含碳量約,經(jīng)熱處理後硬度可達(dá)HRc60~61。全自動(dòng)洛氏硬度機(jī)廠家金屬硬度測量**早由雷奧姆爾提出硬度定義，表示材料抵抗硬物體壓入其表面的能力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="微型硬度機(jī)源頭廠家,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776393710937/5440064.jpg"></div><p> HRC）介質(zhì)介質(zhì)溫度/℃在介質(zhì)中冷卻隨后ⅠⅡⅢⅣⅤ550~660840~860950~10001020~10401020~10401115~11301115~1130油油熔融硝鹽油熔融硝鹽20~6020~60400~55020~60400~450至室溫至油溫5~10min至油溫5~10min空冷空冷空冷空冷空冷58~6262~6362~6342~5042~50注：1.方案Ⅱ、Ⅲ用于要求獲得很高的力學(xué)性能及變形較小的工件，如螺紋滾子、搓絲板、形狀復(fù)雜受沖擊負(fù)荷的模具等；2.方案Ⅳ、Ⅴ用于要求獲得紅硬性及耐磨性的工件，但力學(xué)性能較差，尺寸變形較大，如450℃以下工作的熱沖模等；3.這種鋼對脫碳很敏感，預(yù)熱和加熱用的鹽浴必須經(jīng)過充分的脫氧后再使用；若在普通電爐中加熱可將工件裝入箱內(nèi)，填充以滲碳劑或生鐵粉（這時(shí)工件可能有少許增碳現(xiàn)象，硬度可提高HRC1~2）。表2-3-7淬火狀態(tài)的組織比例淬火方案冷卻碳化物/%馬氏體/%奧氏體/%Ⅰ、Ⅱ油、硝鹽1273~6820~23CR12MOV模具鋼材對應(yīng)牌號編輯國標(biāo)：cr12mov臺標(biāo)：skd11德標(biāo)：DIN：x165crmov12日標(biāo)：skd11韓標(biāo)：STD11意大利標(biāo)準(zhǔn)：x165crmow12ku瑞典標(biāo)準(zhǔn)：2310西班牙標(biāo)準(zhǔn)：x160crmov12美標(biāo)：x12mCR12MOV模具鋼材淬火規(guī)范編輯普通淬火、回火規(guī)范：淬火溫度1000~1050℃，淬油或淬氣，硬度≥60HRC；回火溫度160~180℃，回火時(shí)間2h。</p><p> 不同種類壓入硬度的換算，在實(shí)際應(yīng)用中，我們獲得硬度可能是通過幾種不同的測試方法得來的，為了便于比較，需要對不同的硬度進(jìn)行換算。目前為止，人們已經(jīng)對硬度的換算展開了一些研究，但是大多數(shù)換算公式是在實(shí)際經(jīng)驗(yàn)的指導(dǎo)下提出，并沒有形成一個(gè)公認(rèn)得換算體系。以下是國內(nèi)在硬度換算方面的一些研究成果。1.努氏硬度與維氏硬度的換算(1)以相同硬度的物體對努氏維氏兩種壓頭具有相等的抗力為依據(jù)，分別對維氏努氏兩種壓頭在加載荷下的應(yīng)力進(jìn)行推導(dǎo)，再根據(jù)σHK=σHV得出：HV=。本公式是在低載荷下測得，誤差比較大。此外在硬度值大于HV900時(shí)此公式誤差很大，失去參考價(jià)值。(2)經(jīng)過推導(dǎo)與修正提出努氏硬度與維氏硬度的換算公式為經(jīng)實(shí)際數(shù)據(jù)驗(yàn)證，該公式的大相對換算誤差為，具有較高的參考價(jià)值。2.洛氏硬度與維氏硬度的換算(1)對Hans·Qvarnstorm提出的TheQvarnstorm換算公式進(jìn)行修正后得出洛氏硬度與維氏硬度的換算公式為：此公式用我國公布的黑色金屬硬度標(biāo)準(zhǔn)數(shù)據(jù)進(jìn)行換算，其HRC誤差基本上在±范圍內(nèi)，其大誤差也*士，計(jì)算的HV誤差大為±15HV。(2)根據(jù)不同壓頭所受應(yīng)力σHRC=σHV。維氏硬度（HV）以頂角為136°的金剛石方形錐壓入器壓入材料表面，用載荷值除以材料壓痕凹坑的表面積。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="微型硬度機(jī)源頭廠家,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776398339843/8783325.jpg"></div><p> 展開全部304不銹鋼材質(zhì)硬度：≤187HB；≤90HRB；≤200HV。304不銹鋼是不銹鋼中常見的一種材質(zhì)，密度為g/cm3，業(yè)內(nèi)也叫做18/8不銹鋼。耐高溫800度，具有加工性能好，韌性高的特點(diǎn)，***使用于工業(yè)和家具裝飾行業(yè)和食品醫(yī)療行業(yè)。市場上常見的標(biāo)示方法中有00Cr19Ni10，SUS304，其中00Cr19Ni10一般表示國標(biāo)標(biāo)準(zhǔn)生產(chǎn)，一般表示ASTM標(biāo)準(zhǔn)生產(chǎn)，SUS304表示日標(biāo)標(biāo)準(zhǔn)生產(chǎn)。304是一種通用性的不銹鋼，它***地用于制作要求良好綜合性能（耐腐蝕和成型性）的設(shè)備和機(jī)件。為了保持不銹鋼所固有的耐腐蝕性，鋼必須含有18%以上的鉻,8%以上的鎳含量。304不銹鋼是按照美國ASTM標(biāo)準(zhǔn)生產(chǎn)出來的不銹鋼的一個(gè)牌號。拓展資料：組成元素：在空氣中或化學(xué)腐蝕介質(zhì)中能夠抵抗腐蝕的一種高合金鋼，不銹鋼是具有美觀的表面和耐腐蝕性能好，不必經(jīng)過鍍色等表面處理，而發(fā)揮不銹鋼所固有的表面性能,使用于多方面的鋼鐵的一種，通常稱為不銹鋼。代表性能的有13鉻鋼，18-8鉻鎳鋼等高合金鋼。不銹鋼防銹的機(jī)理是合金元素形成致密氧化膜，隔絕氧接觸，阻止繼續(xù)氧化。所以不銹鋼并不是“不銹”。304材料出現(xiàn)生銹現(xiàn)象，可能有以下幾個(gè)原因：1.使用環(huán)境中存在氯離子。氯離子***存在。洛氏硬度各標(biāo)度有一事實(shí)上的適用范圍，要根據(jù)規(guī)定正確選用。正規(guī)硬度機(jī)自主研發(fā)加工生產(chǎn)廠家</p><p style="text-indent:25px">金屬硬度測量zui早由雷奧姆爾提出硬度定義，表示材料抵抗硬物體壓入其表面的能力。微型硬度機(jī)源頭廠家</p><p> 硬度試驗(yàn)簡介自1722年歐洲工業(yè)**時(shí)期雷奧姆爾提出金屬硬度，并首先應(yīng)用了礦物對金屬進(jìn)行刻劃的初始硬度試驗(yàn)以來的幾百年間，人類提出了幾百種測量金屬硬度的方法。通過長時(shí)間的實(shí)際應(yīng)用，有些測量方法因?yàn)闇y量條件苛刻、程序繁瑣或精度不高等原因被歷史所慢慢淘汰?，F(xiàn)在普遍應(yīng)用的測量方法大多是使用方便且測試結(jié)果準(zhǔn)確的測量方法。硬度試驗(yàn)方法分類：1按試驗(yàn)力的施加速度可分為1、靜力試驗(yàn)法此試驗(yàn)方法在施加試驗(yàn)力時(shí)是緩慢且無沖擊的。硬度測量的結(jié)果主要依據(jù)被測試件表面的壓痕深度來決定。在一定的試驗(yàn)力及試驗(yàn)條件下，壓痕越大其硬度值越小。如常用的布氏、洛氏、維氏等硬度試驗(yàn)法都是靜力試驗(yàn)法。2、動(dòng)力試驗(yàn)法其施加試驗(yàn)力的特點(diǎn)是動(dòng)態(tài)的具有沖擊性的，包括肖氏、里氏、錘擊和彈簧加力試驗(yàn)方法等。2按試驗(yàn)力的大小分類1、宏觀硬度試驗(yàn)法試驗(yàn)力≥5kgf；2、小負(fù)荷硬度試驗(yàn)法試驗(yàn)力在；3、顯微硬度試驗(yàn)法試驗(yàn)力在；4、超顯微硬度試驗(yàn)法試驗(yàn)力∠；5、納米級硬度試驗(yàn)法試驗(yàn)力∠50nN。3按試驗(yàn)的溫度分類1、常溫硬度試驗(yàn)法可在常溫下進(jìn)行；2、低溫硬度試驗(yàn)法在零下以下某一特定溫度下進(jìn)行；3、高溫硬度試驗(yàn)法在室溫以上某一特定溫度下進(jìn)行的高溫硬度試驗(yàn)法。微型硬度機(jī)源頭廠家</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國際質(zhì)量體系認(rèn)證企業(yè)，是上海市****，是全國鋼標(biāo)準(zhǔn)化技術(shù)委員會力學(xué)分會委員單位之一，并參與了洛氏、布氏和維氏硬度試驗(yàn)國家標(biāo)準(zhǔn)的修編。公司主要開發(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、澳洲等國際市場，深受國內(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，坐擁長三角地理優(yōu)勢，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，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、市場營銷、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“中國制造2025”強(qiáng)國戰(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；為振興中國民營制造業(yè)，詮釋“MADE IN CHINA”新概念盡到自己綿薄之力！ </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2688125.html</p></div></div></div></div></div><div id="qpwtlsz" class="page-right 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