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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>?江蘇金屬硬度計配件歡迎咨詢上海尚材試驗機供應(yīng)</p><div id="hp3qx2m" class="leftbox clearfix"><h1>江蘇金屬硬度計配件歡迎咨詢上海尚材試驗機供應(yīng)</h1><div id="t2m2z33" class="proBig"><div id="fzfmnef" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776515566406/4753302.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="aul3vcy" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776515566406/4753302.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8tfwciz" 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>江蘇金屬硬度計配件</p><p><span>***更新：</span>2020-06-09 15:48:52</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="xk8szvw" 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="vievmie" class="page-proshow02"><p class="title">詳細說明</p><div id="2lcy2xo" class="box"><p><p> 操作使用時注意事項——正確使用設(shè)備，保護人員安全 </p> <p> 1. 實驗室環(huán)境需具備三防（防震、防潮、防塵）。 </p> <p> 2. 放置儀器平臺，做到平整、穩(wěn)固和無晃動。 </p> <p> 3. 測試試樣要求表面上下平整、無油膩和保持干燥。對于用金剛石圓錐壓頭進行的試驗，試樣的厚度不小于殘余壓痕深度的10倍，對于用球壓頭進行的試驗，試樣的厚度不小于殘余壓痕深度的15倍，測試后試樣背面不得有可見的變形痕跡。 </p> <p> 4. 操作設(shè)備時必須嚴格按標準作業(yè)的規(guī)定和步驟進行作業(yè)。不經(jīng)常使用的硬度計，開機后要進行多次的硬度測定，穩(wěn)定后，再進行試件的硬度測試。 </p> <p> 5. 硬度計搬運時應(yīng)托底，不準橫倒。搬運前應(yīng)先拔去電源插頭，江蘇金屬硬度計配件，固定傳感器接長桿和主負荷杠桿，并取下砝碼，江蘇金屬硬度計配件，防止內(nèi)部結(jié)構(gòu)損壞。 </p> <p> 6. 操作時注意不準側(cè)擊壓頭，防止損壞壓頭。 </p> <p> 7. 硬度塊的使用只能在工作面上進行，兩相鄰壓痕中心距離不小于壓痕直徑的3倍，江蘇金屬硬度計配件，壓痕中心至試樣邊緣距離不小于壓痕直徑的2.5倍。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇金屬硬度計配件" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776515566406/4753302.jpg"></div><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，初試驗力為3kgf(29N)，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="江蘇金屬硬度計配件" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776482851562/8452452.jpg"></div><p> 禁止事項——以下行為可能會直接導致設(shè)備損害 </p> <p> 1. 禁止未經(jīng)培訓教育的人員操作使用。 </p> <p> 2. 禁止對不平整、不符合規(guī)范的工件進行硬度測試。 </p> <p> 3. 禁止當設(shè)備加載中拖動平臺、轉(zhuǎn)動轉(zhuǎn)盤和升降機構(gòu)。 </p> <p> 4. 禁止用指甲、尖銳物品對觸摸顯示屏進行操作，按鍵操作時不能用力過猛。 </p> <p> 5. 禁止設(shè)備故障時操作人員擅自拆裝。 </p> <p> <br /> </p> <p> <br /> </p> <p> 日常維護事項——愛惜設(shè)備，常養(yǎng)常新，延長設(shè)備使用壽命 </p> <p> 1. 每次使用完畢后必須對設(shè)備進行清理，并蓋好防塵罩。 </p> <p> 2. 每周打開儀器上蓋，在每個活動關(guān)節(jié)處點滴液體潤滑油，防止關(guān)節(jié)不活絡(luò)。 </p> <p> 3. ***以上不使用時，平臺要用防銹油擦拭，以免生銹。 </p> <p> 4. 定期給升降絲桿加潤滑油（建議每周一次，潤滑油建議用縫紉機油）。 </p> <p> 5. 標準塊使用好后，必須用油紙包裝好，以免生銹。 </p> <p> 6. 壓頭要經(jīng)常擦拭干凈，壓頭表面不能有油污或者工件碎屑。 </p> <p> 7. 每月打開儀器后蓋，將變荷手輪調(diào)節(jié)到**小力值檔位，觀察每個砝碼是否處于托鉤中，若有移位則撥正。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇金屬硬度計配件" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776434951172/5750740.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/204279.html</p></div></div></div></div></div><div id="voplsyj" class="page-right twoColRt"><div id="h2ajual" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d8lmyjk" 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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