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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>手持硬度測(cè)試儀操作方法,硬度測(cè)試儀</p><p><span>***更新：</span>2021-01-18 18:07:09</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="a7nis2q" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="g9df3gy" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="qhj82tq" class="box"><p><p style="text-indent:25px">(3) 如壓痕直徑超出了0.24D~0.6D區(qū)間范圍，應(yīng)在試驗(yàn)報(bào)告中注明壓痕直徑與壓頭直徑的比值d/D。針對(duì)此項(xiàng)變動(dòng)，根據(jù)3，手持硬度測(cè)試儀操作方法.1布氏硬度原理以及針對(duì)鋼材所推薦采用的F/D2=30比率關(guān)系。d/D=0.24~0.6對(duì)應(yīng)的鋼材布氏硬度范圍在95.5~653HBW之間，手持硬度測(cè)試儀操作方法，與ASTM A370鋼鐵產(chǎn)品布氏硬度的規(guī)定類(lèi)似，即“布氏硬度不建議適用于硬度值高于650HBW的材料，此時(shí)壓頭應(yīng)廢棄并更換”。建議CNAS認(rèn)可實(shí)驗(yàn)室當(dāng)鋼材布氏硬度值在95.5~650HBW區(qū)間范圍以外時(shí)，需在報(bào)告?zhèn)渥⒅薪o出d/D的具體數(shù)值。并在硬度超出650HBW時(shí)立刻檢查壓頭的計(jì)量特性或予以更換，以同時(shí)滿(mǎn)足GB/T 231.1-2018以及ASTM A370的要求。 (4) 明確了壓痕直徑的光學(xué)測(cè)量既可采用手動(dòng)也可采用自動(dòng)測(cè)量系統(tǒng)，采用自動(dòng)測(cè)量系統(tǒng)時(shí)建議對(duì)測(cè)試表明至少進(jìn)行磨床處理，有條件時(shí)可采用鏡面拋光，以確保對(duì)壓痕直徑的準(zhǔn)確辨識(shí)。 (5) 明確了修約規(guī)則，即保留三位有效數(shù)字，手持硬度測(cè)試儀操作方法，如98.2HBW、220HBW。布氏硬度計(jì)必須定期送計(jì)量檢定部門(mén)進(jìn)行周期檢定操作時(shí)，應(yīng)該緩慢且平穩(wěn)的使壓頭壓入樣品表面。手持硬度測(cè)試儀操作方法</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="手持硬度測(cè)試儀操作方法,硬度測(cè)試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776515947265/7528397.jpg"></div><p style="text-indent:25px">MHV-50Z數(shù)顯維氏硬度計(jì)是光、機(jī)、電一體化的高新技術(shù)產(chǎn)品，采用閉環(huán)式加載控制系統(tǒng)，試驗(yàn)力精度高，示值的重復(fù)性及穩(wěn)定性佳。該儀器采用全新的分辨率彩色觸摸屏，顯示直觀(guān)清晰，操作方便，顯示屏背光可調(diào)、具備節(jié)能模式。配備數(shù)顯測(cè)微目鏡，不用查表，也不用輸入壓痕對(duì)角線(xiàn)，在觸摸屏上直觀(guān)地顯示試驗(yàn)力、壓痕長(zhǎng)度、保荷時(shí)間、轉(zhuǎn)換標(biāo)尺、時(shí)間等，操作時(shí)只要測(cè)量壓痕按目鏡按鈕，即可自動(dòng)計(jì)算出硬度值并顯示在屏幕上。硬度測(cè)試結(jié)果實(shí)時(shí)保存，數(shù)據(jù)分類(lèi)、可選刪除及打印輸出，自動(dòng)計(jì)算大、**小、平均值；并配有RS232接口供用戶(hù)連接電腦輸出?？蛇x配LCD視屏測(cè)量裝置和CCD圖像自動(dòng)測(cè)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(cè)試。自動(dòng)轉(zhuǎn)塔硬度測(cè)試儀批量定制試驗(yàn)人員應(yīng)遵守操作規(guī)程，能在試驗(yàn)前后經(jīng)常用標(biāo)準(zhǔn)塊校對(duì)儀器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="手持硬度測(cè)試儀操作方法,硬度測(cè)試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776429160156/5369552.jpg"></div><p style="text-indent:25px">560RSSZ自動(dòng)全洛氏硬度計(jì)外形新穎、功能齊全、操作方便、顯示清晰直觀(guān)、性能穩(wěn)定，是集機(jī)電于一體的高新技術(shù)產(chǎn)品。儀器取消了砝碼，采用電動(dòng)加卸試驗(yàn)力，可進(jìn)行洛氏、表面洛氏全部標(biāo)尺的硬度測(cè)試。1.支持洛氏及表面洛氏硬度全部標(biāo)尺的選用；2.硬度標(biāo)尺轉(zhuǎn)換一值多換；3.具備圓弧修正補(bǔ)償功能；4.觸摸屏顯示及操作，配備動(dòng)態(tài)曲線(xiàn)圖，實(shí)時(shí)監(jiān)控力值傳感器與位移傳感器運(yùn)作狀態(tài)；5.工作臺(tái)點(diǎn)動(dòng)操作，快速上升或下降；6.一鍵完成工件上升，壓頭加荷、保荷、卸荷，顯示硬度值，試臺(tái)回到初始位置；7.具備數(shù)據(jù)存儲(chǔ)，自動(dòng)計(jì)算大、**小、平均值，測(cè)試結(jié)果可選擇性刪除，支持打印輸出，并配有RS232接口供用戶(hù)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。也適用于表面淬火鋼，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。</p><p style="text-indent:25px">A1. 努氏和維氏硬度試驗(yàn)機(jī)的檢定 A1.1 范圍 A1.1.1 本附錄規(guī)定了用于檢定努氏和維氏硬度試驗(yàn)機(jī)的但中方法：直接檢定、間接檢定和定期檢定。 A1.1.2 直接檢定是通過(guò)直接測(cè)量試驗(yàn)力、壓痕測(cè)量系統(tǒng)和試驗(yàn)循環(huán)來(lái)核實(shí)硬度試驗(yàn)機(jī)的主要零件均在容許公差范圍內(nèi)的一種方法。 A1.1.3 間接檢定是使用標(biāo)定試塊定期檢定試驗(yàn)機(jī)的整體性能的一種方法。 A1.1.4 定期檢定是使用標(biāo)定試塊在間接檢定時(shí)間段之間檢查和監(jiān)測(cè)試驗(yàn)機(jī)性能的一種方法。 A1.2 一般要求 A1.2.1 應(yīng)在具體情況下及表A1.1 所歸的定期間隔和發(fā)生可能影響試驗(yàn)機(jī)性能的情況下對(duì)試驗(yàn)機(jī)進(jìn)行檢定。 A1.2.2 當(dāng)有可追溯系統(tǒng)存在時(shí)，本附錄要求的測(cè)量用的所有儀器均應(yīng)按國(guó)家標(biāo)準(zhǔn)進(jìn)行校準(zhǔn)，另有注明的情況除外。 A1.2.3 新生產(chǎn)試驗(yàn)機(jī)的直接檢定可在生產(chǎn)地或使用地進(jìn)行。翻新試驗(yàn)機(jī)的直接檢定可在翻新地或使用地進(jìn)行。采用便攜式里氏硬度計(jì)進(jìn)行硬度檢測(cè)的實(shí)用價(jià)值在于不必破壞工件并可成批檢驗(yàn)零件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="手持硬度測(cè)試儀操作方法,硬度測(cè)試儀" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776393837890/2741059.jpg"></div><p style="text-indent:25px">硬度計(jì)檢驗(yàn)結(jié)果的測(cè)量不確定度 A.1 概述 GB/T231.1-2018的圖C.1示出了硬度標(biāo)尺的定義和量值傳遞所需的計(jì)量鏈。測(cè)量不確定度分析是一個(gè)有用的工具，有助于確定誤差源并了解測(cè)量值之間的差異。本附錄給出了不確定度評(píng)定指南，評(píng)定示例中推導(dǎo)出的值*供參考，但客戶(hù)特別指定的除外。本部分中對(duì)硬度計(jì)的性能規(guī)定的指標(biāo)，是經(jīng)過(guò)相當(dāng)長(zhǎng)的一段時(shí)間才研發(fā)完善起來(lái)的。當(dāng)在確定硬度計(jì)需要滿(mǎn)足的一個(gè)具體的允差時(shí),與所使用的計(jì)量器具和/或參考標(biāo)準(zhǔn)相關(guān)的不確定度就已經(jīng)包含在該允差之內(nèi)了，因此對(duì)該不確定度的限值欲做進(jìn)一步的任何修正（例如，減小測(cè)量不確定度的允差）都是不適當(dāng)?shù)?。這適用于在對(duì)硬度計(jì)進(jìn)行直接或間接檢驗(yàn)過(guò)程中做的所有測(cè)量。在不同情況下，使用規(guī)定的計(jì)量器具和/或參考標(biāo)準(zhǔn)測(cè)得的簡(jiǎn)化測(cè)量值可用于評(píng)估硬度計(jì)是否符合本部分。然而，也可能有適合減小測(cè)量不確定度允差的特殊情況，但這只能在所有相關(guān)方共同協(xié)商一致后方可進(jìn)行操作。硬度值就會(huì)升高布氏硬度隨著載荷力的變化而變化。自動(dòng)轉(zhuǎn)塔硬度測(cè)試儀批量定制</p><p style="text-indent:25px">邵氏硬度測(cè)試:用硬度計(jì)插入被測(cè)材料,表盤(pán)上指針通過(guò)彈簧與刺針相連,用針刺入測(cè)物表面,顯示數(shù)值即硬度值。手持硬度測(cè)試儀操作方法</p><p style="text-indent:25px">560RSS數(shù)顯雙洛氏硬度計(jì)外形新穎、功能齊全、操作方便、顯示清晰直觀(guān)、性能穩(wěn)定，是集機(jī)電于一體的高新技術(shù)產(chǎn)品，可進(jìn)行洛氏、表面洛氏全部標(biāo)尺的硬度測(cè)試?？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(lèi)型等，其主要功能如下：洛氏、表面洛氏硬度標(biāo)尺的選擇；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)算比較大、**小、平均值；配有RS232接口供用戶(hù)連接電腦輸出。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。也適用于表面淬火鋼，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。手持硬度測(cè)試儀操作方法</p><p> 上海尚材試驗(yàn)機(jī)有限公司是專(zhuān)業(yè)生產(chǎn)各種類(lèi)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?chē)?guó)內(nèi)外商客青睞。 </p> <p> 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