一體式硬度測試儀使用方法上海尚材試驗機供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="4，一體式硬度測試儀使用方法.4試驗循環(huán)時間的校準與檢驗4.4.1試驗循環(huán)時間應由硬度計廠商在生產(chǎn)中或在可能會影響試驗循環(huán)時間的維修之后進行檢驗，一體式硬度測試儀使用方法。在其他時間不要求將試驗循環(huán)時間作為直接檢驗的一部分，見表10。4.4"><meta name="keywords" content="一體式硬度測試儀使用方法,硬度測試儀"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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src="http://tyunfile.71360.com/UploadFile/shangcai/637127776411054687/3897884.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="m83glso" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776411054687/3897884.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3ekgh3y" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>一體式硬度測試儀使用方法,硬度測試儀</p><p><span>***更新：</span>2021-02-04 15:07:06</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="k2irsjk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海尚材試驗機有限公司</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: </span>021-50393010</p><p><span>地址: </span>奉城鎮(zhèn)奉旺路373號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="z9ugnzv" class="page-proshow02"><p class="title">詳細說明</p><div id="zp8jvm7" class="box"><p><p style="text-indent:25px">4，一體式硬度測試儀使用方法.4 試驗循環(huán)時間的校準與檢驗 4.4.1 試驗循環(huán)時間應由硬度計廠商在生產(chǎn)中或在可能會影響試驗循環(huán)時間的維修之后進行檢驗，一體式硬度測試儀使用方法。在其他時間不要求將試驗循環(huán)時間作為直接檢驗的一部分，見表10。 4.4.2 試驗循環(huán)時間應符合GB/T 230.1—2018的規(guī)定。 4.4.3 對于自動控制試驗循環(huán)時間的硬度計，用于檢驗試驗循環(huán)時間的計時儀器的擴展不確定度（k = 2）應不超過0，一體式硬度測試儀使用方法.2 s。建議試驗循環(huán)時間的測量值，加上或減去校準儀器的擴展不確定度（k = 2），不超過GB/T 230.1—2018規(guī)定的時間限制。 4.4.4 對于需要操作者手動控制試驗循環(huán)時間的硬度計，應檢驗硬度計是否能夠?qū)崿F(xiàn)規(guī)定的試驗循環(huán)時間。硬度是表征著材料的彈性、塑性、形變、強化率、強度和韌性等一系列不同物理量組合的一種綜合性能指標。一體式硬度測試儀使用方法</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="一體式硬度測試儀使用方法,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776411054687/3897884.jpg"></div><p style="text-indent:25px">HBRV-187.5布洛維硬度計是具備布氏、洛氏、維氏三種試驗方法，七級試驗力的多用途多功能硬度計，能滿足用戶多種硬度測試的要求。手動加載初試驗力后，總試驗力的加荷、保荷、卸荷自動完成。使用范圍廣、操作方便，是工礦企業(yè)、科研院校所常備的硬度計。應用范圍：淬火鋼、表面淬火鋼，硬質(zhì)合金鋼，鑄鐵，有色金屬，各種調(diào)質(zhì)及退火鋼，硬化薄板鋼，也適合較軟的金屬，表面熱處理和化學處理等。技術(shù)參數(shù)：型號洛氏試驗力60kgf(),100kgf(),150kgf(1471N)布氏試驗力30kgf(),(),(),100kgf(),(1839N)維氏試驗力30kgf(),100kgf()。布氏硬度測試儀技術(shù)參數(shù)用硬度法測試的實況是測試點在黑色的珠光體帶硬度偏高，在白色鐵素體帶硬度偏低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="一體式硬度測試儀使用方法,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776395537109/2651051.jpg"></div><p style="text-indent:25px">2　規(guī)范性引用文件下列文件對于本文件的應用是必不可少的。凡是注日期的引用文件，*注日期的版本適用于本文件。凡是不注日期的引用文件，其***版本（包括所有的修訂單）適用于本文件。 GB/T 230.1—2018 金屬材料洛氏硬度試驗第1部分：試驗方法（ISO 6508-1：2015，MOD） GB/T 230.3—20XX 金屬材料洛氏硬度試驗第3部分：標準硬度塊的標定（ISO 6508-3：2005，MOD） GB/T 4340.1 金屬材料維氏硬度試驗第1部分：試驗方法（GB/T 4340.1—2009，ISO 6507-1：2005，MOD） GB/T 13634 單軸試驗機檢驗用標準測力儀的校準（GB/T 13634—2016，ISO 376：2004，IDT） </p><p style="text-indent:25px">5. 試驗原理及試驗裝置 5.1 維氏硬度和努氏硬度的試驗原理—維氏壓痕硬度試驗和努氏壓痕硬度試驗的一般原理包括兩個步驟。 5.1.1 步驟1—在垂直于表面的方向使規(guī)定的合適壓頭壓到試樣上面并施加試驗力F。將試驗力保持一定時間后卸除。 5.1.2 步驟2—對于維氏硬度試驗，測量兩條對角線的長度并計算平均對角線長度(其可被用于推導維氏硬度值)。對于努氏硬度試驗，測量長對角線的長度(其可被用于推導努氏硬度值)。 5.1.3 當在加載循環(huán)結(jié)束后移走壓頭時，大多數(shù)材料都將展現(xiàn)出一些彈性恢復。但如果要利用壓痕的對角線長度計算硬度值，則應假設壓痕仍保持卸除試驗力之后的壓頭形狀。在努氏試驗中，則應假設壓痕的長對角線與短對角線之比壓頭的相同。 5.2 試驗機—試驗機應能支撐試樣并控制壓頭以預先設定的試驗力壓入試樣，并且應配備有一個光學顯微鏡，以選擇期望的試驗位置并測量試驗中所產(chǎn)生的壓痕尺寸。試樣表面的平面宜垂直于壓頭的軸線(即施加力的方向)。 5.2.1 試驗機的特征、限制和各種操作程序的描述見設備制造商的使用手冊。硬度值就會升高布氏硬度隨著載荷力的變化而變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="一體式硬度測試儀使用方法,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776440859375/1862914.jpg"></div><p style="text-indent:25px">3.3　壓頭為了保證試驗力-壓入深度數(shù)據(jù)測量的重復性，壓頭柄應牢固地安裝在試驗機主軸上。壓頭柄的設計宜使其對試驗機的整體柔度的影響減到**小（參見附錄A）。 3.4　試驗力的施加試驗力的施加和卸除不應產(chǎn)生對試驗結(jié)果有很大影響的沖擊或振動。應能對試驗力的施加、保持和卸除的過程進行檢驗。 4　直接檢驗和校準 4.1　總則 4.1.1　直接檢驗和校準應在恒定的使用溫度下進行，通常為10℃-35℃，但更宜在（23±5）℃范圍內(nèi)。如果要求控制溫度范圍，則直接檢驗宜在所規(guī)定的整個溫度范圍內(nèi)合適的溫度點上進行，以便確定作為溫度函數(shù)校準的有效性。必要時，可能要測定校準修正函數(shù)或在規(guī)定的操作溫度下確定有效的一組校準數(shù)據(jù)。 4.1.2　用于直接檢驗和校準的儀器應盡可能溯源到國家基準。 4.1.3　直接檢驗和校準包括： a) 試驗力的校準； b) 位移測量裝置的校準； c) 試驗機柔度的檢驗和校準； d) 壓頭的檢驗； e) 若壓入深度小于6μm，壓頭面積函數(shù)的校準和檢驗； f) 試驗循環(huán)的檢驗。溫度的變化會引起材料組織結(jié)構(gòu)的變化。端淬硬度測試儀技術(shù)參數(shù)</p><p style="text-indent:25px">測量系統(tǒng)的使用和存放，應避免灰塵，潮濕和有腐蝕性氣體的環(huán)境中。一體式硬度測試儀使用方法</p><p style="text-indent:25px">601MHB數(shù)顯小負荷布氏硬度計是光機電一體化的高新技術(shù)產(chǎn)品，它造型新穎、美觀，具有良好的直觀性、可操作性和可靠性，是測試小負荷布氏硬度的理想產(chǎn)品。本儀器具備8級試驗力，9種測試的布氏標尺任意選擇；具備了5×和10×兩組物鏡，且都能參與測量；物鏡和壓頭間自動切換；可預置試驗力保荷時間、調(diào)節(jié)測量光源的強弱；自動顯示測量壓痕長度、硬度值、測量次數(shù)等；數(shù)據(jù)結(jié)果可通過內(nèi)置打印機輸出，并配有RS232接口供用戶連接電腦輸出；還可根據(jù)用戶特殊要求配置視屏測量裝置和CCD圖像自動測量系統(tǒng)。應用范圍：適用于鑄鐵、鋼材、有色金屬及軟合金等材料的硬度測定，也適用于硬質(zhì)的塑料、電木等某些非金屬材料硬度的測定。一體式硬度測試儀使用方法</p><p> 上海尚材試驗機有限公司是專業(yè)生產(chǎn)各種類型金屬、非金屬材料硬度計的公司，是ISO9001-2015國際質(zhì)量體系認證企業(yè)，是上海市****，是全國鋼標準化技術(shù)委員會力學分會委員單位之一，并參與了洛氏、布氏和維氏硬度試驗國家標準的修編。公司主要開發(fā)布氏、洛氏、顯微、維氏硬度計，共有30多個品種，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> 公司擁有十數(shù)年穩(wěn)定研發(fā)團隊，業(yè)內(nèi)專業(yè)顧問團隊。20畝生產(chǎn)基地，5棟標準工業(yè)廠房，坐擁長三角地理優(yōu)勢，堅持5S管理多年。擁有完備的機加工車間，CNC、數(shù)控機床等各類加工設備逾50臺，專業(yè)技術(shù)工人近80人，制造時間和品質(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“標準化、科學化、精細化”的現(xiàn)代管理方式，目標將自身打造成“高品位、高效率、高質(zhì)量、優(yōu)服務”的現(xiàn)代先進制造企業(yè)。 </p> <p> 在“中國制造2025”強國戰(zhàn)略**下，我們立志為自己在世界硬度計行業(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/3161131.html</p></div></div></div></div></div><div id="lq9izgp" class="page-right twoColRt"><div id="xftjvbc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="atxy8sr" class="recomPic likePro"><a 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