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16:11:17</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="3u3q98o" 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="ycuby7q" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tsuro7l" class="box"><p><p style="text-indent:25px">GB/T 231，維氏硬度測試儀制造廠家.1-2018《金屬材料布氏硬度試驗(yàn) 第1部分：試驗(yàn)方法》規(guī)定的布氏硬度指，用一定直徑D的碳化物合金球，以規(guī)定的試驗(yàn)力F壓入待測材料表面，保持規(guī)定時(shí)間并達(dá)到穩(wěn)定狀態(tài)后卸除試驗(yàn)力，測量材料表面壓痕直徑d，用球面壓痕單位面積上所承受的載荷來表示硬度值的一種試驗(yàn)方法。根據(jù)試驗(yàn)力的不同選擇，包括187.5、750、3000、500、1000kg等對應(yīng)的力(舊稱：公斤力)以及碳化物合金球不同直徑規(guī)格，主要包括1、2.5、5與10mm四類，維氏硬度測試儀制造廠家，不同載荷與壓頭組合可構(gòu)成諸如HBW2，維氏硬度測試儀制造廠家.5/187.5、HBW5/750、HBW5/1000、HBW10/3000等標(biāo)尺選擇，不同標(biāo)尺得到的布氏硬度值原則上不可直接比較。然而，對于黑色金屬、鋼、鎳基合金與鈦合金材料，推薦的試驗(yàn)力與壓頭直徑平方比，即F/D2=30。布洛維硬度計(jì)即可以打布氏、維氏、洛氏三種硬度的硬度計(jì)。維氏硬度測試儀制造廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="維氏硬度測試儀制造廠家,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776406357422/7324439.jpg"></div><p style="text-indent:25px">HV-1000/HV-1000Z顯微維氏硬度計(jì)，在機(jī)械、電子、光學(xué)上采用獨(dú)特精密設(shè)計(jì)，使壓痕成像更清晰，測量更精確。在屏幕上能顯示試驗(yàn)方法、試驗(yàn)力、保荷時(shí)間、測量次數(shù)、轉(zhuǎn)換標(biāo)尺，操作時(shí)只要從鍵盤輸入壓痕對角線長度，即可自動(dòng)計(jì)算出硬度值并顯示在屏幕上。可選配努氏壓頭進(jìn)行努氏硬度測量，也可選配CCD圖像自動(dòng)測量系統(tǒng)。應(yīng)用范圍：黑色金屬、有色金屬、IC薄片、表面涂層、層壓金屬；玻璃、陶瓷、瑪瑙、寶石、薄塑料等；碳化層和淬火硬化層的深度及梯度的硬度測試。技術(shù)參數(shù)：型號HV-1000HV-1000Z試驗(yàn)力gf10gf,25gf,50gf,100gf,200gf,300gf,500gf,1000gfN,,,,,,,硬度測試范圍1HV~2967HV硬度值分辨率測試模式HV/HK。維氏硬度測試儀廠家硬度計(jì)做好周期檢定工作，每年至少一次以保證硬度計(jì)的準(zhǔn)確性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="維氏硬度測試儀制造廠家,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776440234375/5442824.jpg"></div><p style="text-indent:25px">A.2.3 壓頭用球的檢測壓頭是由頭部裝有球的壓頭體和壓頭柄組成，不能通過在現(xiàn)場分別測量進(jìn)行檢驗(yàn)。壓頭用球的幾何特性、物理性能和化學(xué)成分（見4.3）宜由認(rèn)可的校準(zhǔn)或檢測實(shí)驗(yàn)室出具的有效校準(zhǔn)證書或檢測報(bào)告予以證明。 A.2.4 試驗(yàn)循環(huán)時(shí)間的檢測 4.5中對試驗(yàn)循環(huán)時(shí)間的檢驗(yàn)和與其相關(guān)的測量不確定度作了詳細(xì)的考慮。因此，不需對此測量不確定度分量進(jìn)行評估。 A.3 硬度計(jì)的間接檢驗(yàn) 注:根據(jù)硬度試驗(yàn)標(biāo)準(zhǔn)的定義，在本附錄中,下標(biāo)“CRM”（有證標(biāo)準(zhǔn)物質(zhì)）的含義是“標(biāo)準(zhǔn)布氏硬度塊”。通過使用標(biāo)準(zhǔn)布氏硬度塊進(jìn)行間接檢驗(yàn)，能檢查硬度計(jì)的綜合性能，同時(shí)根據(jù)標(biāo)準(zhǔn)硬度塊的標(biāo)準(zhǔn)值還可測定出硬度計(jì)的重復(fù)性及誤差。硬度計(jì)間接檢驗(yàn)時(shí)的合成標(biāo)準(zhǔn)測量不確定度由公式（A.9）求得： ………………………………（A.9） </p><p style="text-indent:25px">MHV-1000Z/V2.0自動(dòng)顯微維氏硬度計(jì)，集成了光學(xué)成像、機(jī)械位移、電子控制、數(shù)字成像、圖像分析、計(jì)算機(jī)處理等多種新專業(yè)技術(shù)，通過計(jì)算機(jī)主機(jī)實(shí)現(xiàn)對維氏硬度計(jì)和自動(dòng)載物臺的控制，并將硬度壓痕數(shù)字化成像在計(jì)算機(jī)屏幕上，再通過自動(dòng)讀數(shù)、手動(dòng)讀數(shù)等手段，準(zhǔn)確測量金屬及部分非金屬材料及各種膜層、鍍層的顯微硬度、硬化層深度、膜層厚度、兩點(diǎn)間距等。還可拍攝金屬表面形貌并進(jìn)行固定倍率打印等。這一系統(tǒng)，突破了傳統(tǒng)硬度的測試方式，實(shí)現(xiàn)了半自動(dòng)、高精度、高重復(fù)性的硬度測試，是材料分析的重要設(shè)備。要提高硬度值的測量精度，就要減小負(fù)荷誤差比如操作人員按照布氏硬度的基本原理進(jìn)行操作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="維氏硬度測試儀制造廠家,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776433613281/2193653.jpg"></div><p style="text-indent:25px">5. 試驗(yàn)原理及試驗(yàn)裝置 5.1 維氏硬度和努氏硬度的試驗(yàn)原理—維氏壓痕硬度試驗(yàn)和努氏壓痕硬度試驗(yàn)的一般原理包括兩個(gè)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(yàn)力F。將試驗(yàn)力保持一定時(shí)間后卸除。 5.1.2 步驟2—對于維氏硬度試驗(yàn)，測量兩條對角線的長度并計(jì)算平均對角線長度(其可被用于推導(dǎo)維氏硬度值)。對于努氏硬度試驗(yàn)，測量長對角線的長度(其可被用于推導(dǎo)努氏硬度值)。 5.1.3 當(dāng)在加載循環(huán)結(jié)束后移走壓頭時(shí)，大多數(shù)材料都將展現(xiàn)出一些彈性恢復(fù)。但如果要利用壓痕的對角線長度計(jì)算硬度值，則應(yīng)假設(shè)壓痕仍保持卸除試驗(yàn)力之后的壓頭形狀。在努氏試驗(yàn)中，則應(yīng)假設(shè)壓痕的長對角線與短對角線之比壓頭的相同。 5.2 試驗(yàn)機(jī)—試驗(yàn)機(jī)應(yīng)能支撐試樣并控制壓頭以預(yù)先設(shè)定的試驗(yàn)力壓入試樣，并且應(yīng)配備有一個(gè)光學(xué)顯微鏡，以選擇期望的試驗(yàn)位置并測量試驗(yàn)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(yàn)機(jī)的特征、限制和各種操作程序的描述見設(shè)備制造商的使用手冊。表面越粗糙，測定的硬度值就會(huì)偏低樣品的厚度如果小夠也會(huì)導(dǎo)致測量的硬度值偏低。自動(dòng)打硬度硬度測試儀對照表</p><p style="text-indent:25px">儀器在機(jī)械、光學(xué)、光源上采用獨(dú)特的、精密的設(shè)計(jì)，使壓痕成像更清晰，測量更精確。維氏硬度測試儀制造廠家</p><p style="text-indent:25px">A1.5 定期檢定 A1.5.1 用戶可將定期檢定作為監(jiān)測試驗(yàn)機(jī)在間接檢定周期內(nèi)性能的工具。對于每一個(gè)將會(huì) 使用的努氏和維氏硬度標(biāo)尺，至少應(yīng)依照表A1.1 中給出的計(jì)劃進(jìn)行定期檢定。 A1.5.2 定期檢定程序—執(zhí)行定期檢定時(shí)使用的程序如下： A1.5.2.1 應(yīng)對每個(gè)將要使用的維氏和努氏硬度標(biāo)尺執(zhí)行定期檢定。每個(gè)待檢定的維氏和努氏硬度標(biāo)尺均應(yīng)至少使用一個(gè)滿足附錄A4 要求的標(biāo)定試塊。當(dāng)試塊可從市面上買到時(shí)，所選的試塊硬度等級應(yīng)基本與待測材料的硬度值相同。 A1.5.2.2 定期檢定用的壓頭應(yīng)為試驗(yàn)常用的壓頭。 A1.5.2.3 在進(jìn)行定期檢定之前，應(yīng)確保試驗(yàn)機(jī)工作正常，工作臺和標(biāo)定試塊潔凈，并且測量儀器進(jìn)行了正確的調(diào)整和歸零。 A1.5.2.4 在每個(gè)定期檢定用的試塊上至少進(jìn)行進(jìn)行硬度試驗(yàn)，間隔應(yīng)滿足7.11.1 給出的要求。*應(yīng)在試塊校準(zhǔn)過的表面進(jìn)行硬度測量。維氏硬度測試儀制造廠家</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(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/2688081.html</p></div></div></div></div></div><div id="7oax22s" 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