維氏硬度計(jì)怎么用上海尚材試驗(yàn)機(jī)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="5.試驗(yàn)原理和設(shè)備5.1洛氏硬度試驗(yàn)原理——洛氏壓痕硬度試驗(yàn)的基本原理見(jiàn)圖1，該試驗(yàn)按力的施加和卸除分為三個(gè)步驟。第1步——使壓頭接觸試樣，并施加初試驗(yàn)力Fo。按規(guī)定的保壓時(shí)間保持初試驗(yàn)力，然后測(cè)量壓痕的基準(zhǔn)深度，維氏硬度計(jì)怎么用。第2步—"><meta name="keywords" content="維氏硬度計(jì)怎么用,硬度計(jì)"><link rel="canonical" href="http://m.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 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class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776406357422/7324439.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xgiahet" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776406357422/7324439.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="burj7iu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>維氏硬度計(jì)怎么用,硬度計(jì)</p><p><span>***更新：</span>2020-12-29 06:05:00</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="gfcurob" 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(hào)</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="hac3t3p" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vkcumol" class="box"><p><p> 5. 試驗(yàn)原理和設(shè)備 </p> <p> 5.1 洛氏硬度試驗(yàn)原理——洛氏壓痕硬度試驗(yàn)的基本原理見(jiàn)圖1，該試驗(yàn)按力的施加和卸除分為三個(gè) </p> <p> 步驟。 </p> <p> 第1 步——使壓頭接觸試樣，并施加初試驗(yàn)力Fo。按規(guī)定的保壓時(shí)間保持初試驗(yàn)力，然后測(cè)量壓痕的基準(zhǔn)深度，維氏硬度計(jì)怎么用。 </p> <p> 第2 步——壓頭上的力按受控的速率增加附加試驗(yàn)力F1，達(dá)到總試驗(yàn)力F，并按規(guī)定的保壓時(shí)間保持總試驗(yàn)力。 </p> <p> ASTM E18-2017?1 金屬材料洛氏硬度的標(biāo)準(zhǔn)試驗(yàn)方法 </p> <p> 5 </p> <p> 第3 步——卸除附加試驗(yàn)力，維氏硬度計(jì)怎么用，返回到初試驗(yàn)力。按規(guī)定的保壓時(shí)間保持初試驗(yàn)力，然后測(cè)量**終的壓痕深度。 </p> <p> 通過(guò)初試驗(yàn)力下的**終和基準(zhǔn)壓痕深度的差值h 得到洛氏硬度值。卸除初試驗(yàn)力后，將壓頭從試樣上移開(kāi)，維氏硬度計(jì)怎么用。 </p> <p> 5.1.1 洛氏試驗(yàn)總體上分為兩類：洛氏硬度試驗(yàn)和表面洛氏硬度試驗(yàn)。兩種試驗(yàn)分類的明顯差異在于 </p> <p> 所使用的試驗(yàn)力的不同。對(duì)于洛氏硬度試驗(yàn)，初試驗(yàn)力為10kgf(98N)，總試驗(yàn)力為60 kgf(589N)， </p> <p> 100 kgf(981N)和150kgf(1471N)。而對(duì)于表面洛氏硬度試驗(yàn)，初試驗(yàn)力為3kgf(29N)，總試驗(yàn)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(yàn)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 /> 英國(guó)人肖爾()于1906年研究淬火鋼的硬度測(cè)定法時(shí)提出的。維氏硬度計(jì)怎么用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="維氏硬度計(jì)怎么用,硬度計(jì)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776406357422/7324439.jpg"></div><p> 7.5 試驗(yàn)步驟——洛氏硬度機(jī)有許多類型，要求的操作者控制水平不同。有些硬度機(jī)可自動(dòng)執(zhí)行洛 </p> <p> ASTM E18-2017?1 金屬材料洛氏硬度的標(biāo)準(zhǔn)試驗(yàn)方法 </p> <p> 11 </p> <p> 氏硬度試驗(yàn)程序，幾乎不受操作者影響，而有些硬度機(jī)需要操作者控制大部分試驗(yàn)步驟。 </p> <p> 7.5.1 將壓頭從垂直于測(cè)試面的方向接觸測(cè)試面，盡量使其速度不超過(guò)推薦的大接觸速率vA。 </p> <p> 7.5.2 施加初試驗(yàn)力F0，對(duì)于洛氏硬度試驗(yàn)F0 為10kgf(98N)，對(duì)于表面洛氏硬度試驗(yàn)F0 為3kgf(29N)。 </p> <p> 7.5.3 按規(guī)定的初試驗(yàn)力保持時(shí)間tPF 保持初試驗(yàn)力。 </p> <p> 7.5.4 初試驗(yàn)力保持時(shí)間tPF 結(jié)束時(shí)，立即確定壓痕基準(zhǔn)深度的參照位置（見(jiàn)生產(chǎn)廠商的使用說(shuō)明書）。 </p> <p> 7.5.5 將試驗(yàn)力增加F1 即主試驗(yàn)力，達(dá)到選定的硬度標(biāo)尺所需的總試驗(yàn)力F（見(jiàn)表1 和2）。主試驗(yàn) </p> <p> 力Fl 應(yīng)在規(guī)定加載時(shí)間范圍tTA 之內(nèi)可控地加載。 </p> <p> 7.5.6 按規(guī)定的總試驗(yàn)力保持時(shí)間tTF 保持總試驗(yàn)力F。 </p> <p> 7.5.7 繼續(xù)保持初試驗(yàn)力F0 的同時(shí)，卸除主試驗(yàn)力F1。 </p> <p> 7.5.8 將初試驗(yàn)力F0 保持適當(dāng)時(shí)間，使被測(cè)材料彈性恢復(fù)，并且框架的拉伸變得可以忽略不計(jì)。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 維氏硬度計(jì)怎么用HRA標(biāo)尺盡管也可用于大多數(shù)黑色金屬，但是實(shí)際應(yīng)用上一般只限于測(cè)試硬質(zhì)合金和薄硬鋼帶材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="維氏硬度計(jì)怎么用,硬度計(jì)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776460859375/2872601.jpg"></div><p style="text-indent:25px">HRS-150數(shù)顯洛氏硬度計(jì)采用全新的分辨率彩色觸摸屏，高亮度顯示，具備中文界面，簡(jiǎn)單易懂。設(shè)備具有良好的可靠性、可操作性和直觀性，是集機(jī)電于一體的高新技術(shù)產(chǎn)品?？娠@示和設(shè)置當(dāng)前測(cè)試標(biāo)尺、試驗(yàn)力、測(cè)試壓頭、保荷時(shí)間、硬度轉(zhuǎn)換值、壓頭類型等，其主要功能如下：洛氏硬度標(biāo)尺的選擇；各硬度標(biāo)尺之間的換算；顯示屏背光可調(diào)、具備節(jié)能模式；實(shí)時(shí)數(shù)據(jù)保存至文件夾，任意文件數(shù)據(jù)可選刪除、打印輸出；硬度測(cè)試結(jié)果實(shí)時(shí)保存，自動(dòng)計(jì)算大、**小、平均值；操作界面直觀清晰，使用方便；配有RS232接口供用戶連接電腦輸出。應(yīng)用范圍：適用于淬火、調(diào)質(zhì)、退火、冷硬鑄件，可鍛鑄件，硬質(zhì)合金鋼、鋁合金、銅合金、軸承鋼等硬度測(cè)定。</p><p> RS232超級(jí)終端設(shè)置 </p> <p> 硬度計(jì)與計(jì)算機(jī)連接方法如下： </p> <p> 1 硬度計(jì)開(kāi)機(jī)前，取出附件箱內(nèi)RS232通訊線，硬度計(jì)與計(jì)算機(jī)相連（計(jì)算機(jī)必須關(guān)電），9芯插針插入硬度計(jì)9芯輸出的插口上，另9芯插在計(jì)算機(jī)的COM端口上。 </p> <p> <span style="font-size:12px;">2 將計(jì)算機(jī)打開(kāi)，在計(jì)算機(jī)界面單擊開(kāi)始程序附件通訊超級(jí)終端。</span> </p> <p> 3 跳出“連接描述”對(duì)話框，名稱欄輸入“AA”，按確定鍵。跳出“連接到”對(duì)話框。對(duì)話框中“連接時(shí)使用（N）”直接連接到串口COM1（或COM2），按確定鍵。 </p> <p> 4 “COM1（或COM2）的屬性”對(duì)話框，波特率（B）輸入“ 9600”，其余項(xiàng)不變，按確定鍵，進(jìn)入AA超級(jí)終端界面并保存會(huì)話AA。 </p> <p> <span style="font-size:12px;">5 當(dāng)計(jì)算機(jī)操作平臺(tái)是Windos98時(shí)，程序中可能沒(méi)有安裝超級(jí)終端，在計(jì)算機(jī)界面單擊開(kāi)始設(shè)置控制面板添加或刪除程序安裝超級(jí)終端。</span> </p> <p> 6 硬度測(cè)試完成后，打印機(jī)輸出的內(nèi)容與計(jì)算機(jī)顯示相一致。 HB30:(Brinell 布氏30)用于熱處理鋼、退火深冷處理鋼材、沖拉材料鋼、深沖鋼帶料等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="維氏硬度計(jì)怎么用,硬度計(jì)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776411054687/3897884.jpg"></div><p> 禁止事項(xiàng)——以下行為可能會(huì)直接導(dǎo)致設(shè)備損害 </p> <p> 禁止未經(jīng)培訓(xùn)教育的人員操作使用。 </p> <p> 禁止對(duì)不平整、不符合規(guī)范的工件進(jìn)行硬度測(cè)試。 </p> <p> 禁止當(dāng)設(shè)備加載中拖動(dòng)平臺(tái)、轉(zhuǎn)動(dòng)轉(zhuǎn)盤和升降機(jī)構(gòu)。 </p> <p> 禁止用指甲、尖銳物品對(duì)觸摸顯示屏進(jìn)行操作，按鍵操作時(shí)不能用力過(guò)猛。 </p> <p> 禁止設(shè)備故障時(shí)操作人員擅自拆裝。 </p> <p> 日常維護(hù)事項(xiàng)——愛(ài)惜設(shè)備，常養(yǎng)常新，延長(zhǎng)設(shè)備使用壽命 </p> <p> 每次使用完畢后必須對(duì)設(shè)備進(jìn)行清理，并蓋好防塵罩。 </p> <p> 每周打開(kāi)儀器上蓋，在每個(gè)活動(dòng)關(guān)節(jié)處點(diǎn)滴液體潤(rùn)滑油，防止關(guān)節(jié)不活絡(luò)。 </p> <p> 定期給升降絲桿加潤(rùn)滑油（建議每周一次，潤(rùn)滑油建議用縫紉機(jī)油）。 </p> <p> 標(biāo)準(zhǔn)塊使用好后，必須用油紙包裝好，以免生銹。 </p> <p> 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> 每月打開(kāi)儀器后蓋，將變荷手輪調(diào)節(jié)到小力值檔位，觀察每個(gè)砝碼是否處于托鉤中，若有移位則撥正。測(cè)試載荷與測(cè)試鋼球的直徑需根據(jù)材料的實(shí)際性能再確定。維氏硬度計(jì)怎么用</p><p style="text-indent:25px">用努普壓頭測(cè)定的顯微硬度數(shù)又稱努普硬度數(shù)。維氏硬度計(jì)怎么用</p> 570HAD數(shù)顯布洛維硬度計(jì)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(jī)電于一體的高新技術(shù)產(chǎn)品，可進(jìn)行布氏、洛氏、維氏三種試驗(yàn)方法測(cè)試，具備了七級(jí)試驗(yàn)力的多功能硬度計(jì)，能滿足多種硬度測(cè)試需求。手動(dòng)加載初試驗(yàn)力后，總試驗(yàn)力的加荷、保荷、卸荷自動(dòng)完成，操作簡(jiǎn)便迅速?？娠@示和設(shè)置當(dāng)前測(cè)試標(biāo)尺、試驗(yàn)力、測(cè)試壓頭、保荷時(shí)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(yàn)方法測(cè)試；各硬度標(biāo)尺之間的換算值；硬度測(cè)試結(jié)果可保存查看及打印輸出，自動(dòng)計(jì)算zui大、zui小、平均值；配有RS232接口供用戶連接電腦輸出。<br /> <p> <br /> </p> <p> 應(yīng)用范圍： </p> <p> 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> <p> <br /> </p> <p> <br /> 維氏硬度計(jì)怎么用</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(guó)際質(zhì)量體系認(rèn)證企業(yè)，是上海市****，是全國(guó)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(guó)家標(biāo)準(zhǔn)的修編。公司主要開(kāi)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(guó)際市場(chǎng)，深受國(guó)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(wèn)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(zhǎng)三角地理優(yōu)勢(shì)，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(tái)，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(chǎng)營(yíng)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(guó)制造2025”強(qiáng)國(guó)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(guó)民營(yíng)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(lái)源地址: http://m.cdcfah.com/cp/2611321.html</p></div></div></div></div></div><div id="xrtlian" class="page-right twoColRt"><div id="ydasfht" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fzrjbt8" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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