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class="twoCol"><div id="d33vdtl" 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/">試驗機</a>?<a href="http://www.cdcfah.com/cp/third-shiyanji_yingduji/">硬度計</a>?廣東橡膠硬度計歡迎來電上海尚材試驗機供應(yīng)</p><div id="73nfvzn" class="leftbox clearfix"><h1>廣東橡膠硬度計歡迎來電上海尚材試驗機供應(yīng)</h1><div id="btldf5d" class="proBig"><div id="f5z5ljb" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776423134765/8820352.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="v3pxxhh" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776423134765/8820352.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bhfnlpr" 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>廣東橡膠硬度計</p><p><span>***更新：</span>2020-06-20 05:21:37</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="hbzrz7j" 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(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="n5hnvzp" class="page-proshow02"><p class="title">詳細說明</p><div id="vzvn3rn" class="box"><p><p> 5. 試驗原理和設(shè)備 </p> <p> 5.1 洛氏硬度試驗原理——洛氏壓痕硬度試驗的基本原理見圖1，該試驗按力的施加和卸除分為三個 </p> <p> 步驟。 </p> <p> 第1 步——使壓頭接觸試樣，并施加初試驗力Fo。按規(guī)定的保壓時間保持初試驗力，然后測量壓痕的基準深度。 </p> <p> 第2 步——壓頭上的力按受控的速率增加附加試驗力F1，達到總試驗力F，并按規(guī)定的保壓時間保持總試驗力。 </p> <p> ASTM E18-2017?1 金屬材料洛氏硬度的標(biāo)準試驗方法 </p> <p> 5 </p> <p> 第3 步——卸除附加試驗力，返回到初試驗力。按規(guī)定的保壓時間保持初試驗力，然后測量**終的壓痕深度。 </p> <p> 通過初試驗力下的**終和基準壓痕深度的差值h 得到洛氏硬度值。卸除初試驗力后，將壓頭從試樣上移開。 </p> <p> 5.1.1 洛氏試驗總體上分為兩類：洛氏硬度試驗和表面洛氏硬度試驗。兩種試驗分類的明顯差異在于 </p> <p> 所使用的試驗力的不同。對于洛氏硬度試驗，初試驗力為10kgf(98N)，總試驗力為60 kgf(589N)， </p> <p> 100 kgf(981N)和150kgf(1471N)。而對于表面洛氏硬度試驗，廣東橡膠硬度計，廣東橡膠硬度計，初試驗力為3kgf(29N)，廣東橡膠硬度計，總試驗力為15 </p> <p> kgf(147N)，30 kgf(294N)和45 kgf(441N)。 </p> <p> 5.1.2 洛氏硬度試驗的壓頭包括金剛石球頂圓錐壓頭和規(guī)定直徑的碳化鎢球壓頭。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東橡膠硬度計" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776423134765/8820352.jpg"></div><p style="text-indent:25px">570HAD數(shù)顯布洛維硬度計外形新穎、功能齊全、操作方便、顯示清晰直觀、性能穩(wěn)定，是集光機電于一體的高新技術(shù)產(chǎn)品，可進行布氏、洛氏、維氏三種試驗方法測試，具備了七級試驗力的多功能硬度計，能滿足多種硬度測試需求。手動加載初試驗力后，總試驗力的加荷、保荷、卸荷自動完成，操作簡便迅速?？娠@示和設(shè)置當(dāng)前測試標(biāo)尺、試驗力、測試壓頭、保荷時間、硬度轉(zhuǎn)換值、壓頭類型等，其主要功能如下：布氏、洛氏、維氏硬度的三種試驗方法測試；各硬度標(biāo)尺之間的換算值；硬度測試結(jié)果可保存查看及打印輸出，自動計算大、**小、平均值；配有RS232接口供用戶連接電腦輸出。應(yīng)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(xué)處理等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東橡膠硬度計" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776623203125/5680350.jpg"></div><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(biāo)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(yù)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(yīng)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。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/322208.html</p></div></div></div></div></div><div id="3v3tnpz" class="page-right twoColRt"><div id="fhxxxdb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="blvptjj" 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" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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