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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="plskhtv" 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>顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家,硬度測試儀</p><p><span>***更新：</span>2020-12-26 13:06:34</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="8rdzbxu" 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="wihoqpm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gs7fxwi" class="box"><p><p style="text-indent:25px">在檢驗(yàn)硬度計(jì)以前，應(yīng)對其進(jìn)行檢查以確保硬度計(jì)按制造者的說明書正確地安裝。宜特別檢查： a) 安裝球壓頭的主軸在其導(dǎo)向裝置中能正?；瑒?； b) 在球座中裝上校準(zhǔn)過程中所使用的球并將其牢固地安裝到主軸孔中； c) 施加和卸除試驗(yàn)力時，顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家，無沖擊，顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家、振動或過沖且不影響讀數(shù)； d) 對于壓痕直徑測量裝置與主機(jī)為一體的硬度計(jì)： 1）從卸除試驗(yàn)力到測量壓痕模式的轉(zhuǎn)換過程不影響壓痕直徑測量； 2）照明不影響直徑測量； 3）需要時，顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家，壓痕中心要位于視場中心。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。顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776433115234/7704425.jpg"></div><p style="text-indent:25px"> HRM-45表面洛氏硬度計(jì)是一種普及型的表面洛氏硬度測試儀器。適用于材料的表面洛氏硬度試驗(yàn)，無需電源，其施加試驗(yàn)力的速度由液壓緩沖器來調(diào)節(jié)，試驗(yàn)力變換通過變荷手輪的旋轉(zhuǎn)獲得。本儀器操作簡便，性能穩(wěn)定，使用普遍。應(yīng)用范圍：適用于表面淬火鋼，材料表面熱處理和化學(xué)處理層，銅、鋁合金，薄板、鍍鋅、鍍鉻、鍍錫材料，軸承鋼，冷硬鑄件等。技術(shù)參數(shù)：型號HRM-45初試驗(yàn)力3kgf()總試驗(yàn)力15kgf(),30kgf(),45kgf()壓頭規(guī)格金剛石洛氏壓頭，Φ試驗(yàn)力施加方法手動硬度讀取表面洛氏表盤讀取硬度值。手持硬度測試儀品牌排行里氏硬度計(jì)：這是一種能將各種硬度值進(jìn)行換算的較小型的硬度計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776425576172/2585125.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)時間的檢測 4.5中對試驗(yàn)循環(huán)時間的檢驗(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">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、保荷時間、測量次數(shù)、轉(zhuǎn)換標(biāo)尺，操作時只要從鍵盤輸入壓痕對角線長度，即可自動計(jì)算出硬度值并顯示在屏幕上?？蛇x配努氏壓頭進(jìn)行努氏硬度測量，也可選配CCD圖像自動測量系統(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。根據(jù)布氏硬度的計(jì)算公式可知，壓痕測量誤差對硬度值的誤差影響很大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家,硬度測試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776467089843/4201506.jpg"></div><p style="text-indent:25px">5.5 試驗(yàn)循環(huán)的檢測 5.5.1 硬度計(jì)的試驗(yàn)循環(huán)宜由其制造者在生產(chǎn)時進(jìn)行檢測，或當(dāng)硬度計(jì)經(jīng)過修理后可能會影響到試驗(yàn)循環(huán)時進(jìn)行檢測。在其他時間對試驗(yàn)循環(huán)的檢測見表4的規(guī)定。 5.5.2 應(yīng)檢測試驗(yàn)循環(huán)以符合GB/T 231.1確定的試驗(yàn)循環(huán)時間，并要考慮與時間測量有關(guān)的測量不確定度。 6 間接檢驗(yàn) 6.1 宜在（23±5）℃溫度范圍內(nèi)，使用按GB/T 231.3標(biāo)定的標(biāo)準(zhǔn)硬度塊進(jìn)行間接檢驗(yàn)。如果在此溫度范圍以外進(jìn)行檢驗(yàn)，則應(yīng)在檢驗(yàn)報(bào)告中注明。標(biāo)準(zhǔn)塊的試驗(yàn)面和支承面與壓頭表面不應(yīng)有任何外來的或腐蝕性的污物。硬度計(jì)的示值精度已在出廠前校準(zhǔn)，試驗(yàn)人員在了解儀器結(jié)構(gòu)原理的基礎(chǔ)上可作適當(dāng)調(diào)整。手持硬度測試儀品牌排行</p><p style="text-indent:25px">硬度塊、球壓頭使用完畢應(yīng)涂上防銹油，防止銹蝕。顯微硬度測試儀自主研發(fā)加工生產(chǎn)廠家</p><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，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。顯微硬度測試儀自主研發(fā)加工生產(chǎn)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/2573700.html</p></div></div></div></div></div><div id="7kmjlx3" class="page-right twoColRt"><div id="2mdvlsu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3bik8gn" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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