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href="http://www.cdcfah.com/cp/third-shiyanji_yingduji/">硬度計</a>?美標(biāo)硬度機(jī)設(shè)備上海尚材試驗(yàn)機(jī)供應(yīng)</p><div id="mbif7l7" class="leftbox clearfix"><h1>美標(biāo)硬度機(jī)設(shè)備上海尚材試驗(yàn)機(jī)供應(yīng)</h1><div id="h03bs3g" class="proBig"><div id="vq8fcew" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776402236328/5031596.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ocj793q" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776402236328/5031596.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nbdvfwy" 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>美標(biāo)硬度機(jī)設(shè)備,硬度機(jī)</p><p><span>***更新：</span>2021-02-05 10:05:49</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="utln3oi" 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="q8qynj8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="trtaxzt" class="box"><p><p> 但硬度和拉伸試驗(yàn)不應(yīng)同時進(jìn)行。2）對于SP（平整冷軋）狀態(tài)，與鍍層精整（PL）或鏡面光潔度（MF），或以“無拉伸痕”交貨的鋼材組合，***硬度可以提高5個HV或抗拉強(qiáng)度可以提高20MPa。3）牌號CS2、CS3和CS4的硬度值*適用于沸騰鋼。如上所述，冷軋板的力學(xué)性能可以通過拉伸試驗(yàn)來檢測，也可以通過硬度試驗(yàn)來檢測。由于硬度試驗(yàn)設(shè)備簡單、易于掌握，試驗(yàn)效率高，并且金屬硬度與強(qiáng)度之間有一定的對應(yīng)關(guān)系，所以硬度檢測是確定材料力學(xué)性能更方便的方法。冷軋板的硬度檢測可以用于冷軋薄板生產(chǎn)過程的質(zhì)量控制，更適于生產(chǎn)沖壓產(chǎn)品的廠家對冷軋板原材料進(jìn)行力學(xué)性能的復(fù)檢。日本工業(yè)標(biāo)準(zhǔn)JISG3141-1996規(guī)定的硬度試驗(yàn)是洛氏硬度HRB和維氏硬度HV。維氏硬度試驗(yàn)用于冷軋薄板毫無問題，美標(biāo)硬度機(jī)設(shè)備。洛氏硬度HRB卻不適用于測試?yán)滠埍“宀牧?。因?yàn)楫?dāng)板材厚度小于2mm時，測試HRB硬度可能會因?yàn)榘l(fā)生“測砧效應(yīng)”而使測試的硬度值失準(zhǔn)，美標(biāo)硬度機(jī)設(shè)備。對于薄的冷軋板材料，可以測試表面洛氏硬度HRT，然后換算成HRB或HV硬度，美標(biāo)硬度機(jī)設(shè)備。超出其規(guī)定的測試范圍時，硬度計的精確度及靈敏度較差，硬度值不準(zhǔn)確，不宜使用。美標(biāo)硬度機(jī)設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美標(biāo)硬度機(jī)設(shè)備,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776402236328/5031596.jpg"></div><p> 否則應(yīng)將吊環(huán)掛于重點(diǎn)刀刃上，校直吊架吊桿；（5）主軸與試臺平臺垂直度，主軸軸線與升降絲桿軸線同軸度超差，應(yīng)分析視其情況進(jìn)行主軸與試臺平臺垂直度、主軸軸線與升降絲桿軸線同軸度的調(diào)整。4、硬度計反復(fù)加卸載荷造成這種故障的原因及排除方法：（1）按鍵開關(guān)頂桿過長，轉(zhuǎn)向開關(guān)A、B觸點(diǎn)與A1、B1觸點(diǎn)不能脫開，應(yīng)調(diào)節(jié)頂桿長度并固定之；（2）換向開關(guān)安裝位置不當(dāng)，活動擋板不能觸動換向開關(guān)上的銷子，造成換向開關(guān)不換向，應(yīng)調(diào)整換向開關(guān)的安裝位置。5、硬度計載荷全部加上時停機(jī)此種故障原因?yàn)閾Q向開關(guān)接觸點(diǎn)有燒傷、燒蝕現(xiàn)象，造成接觸點(diǎn)接觸不良，應(yīng)對接觸點(diǎn)加以清理打磨或更換新的換向開關(guān)。6、按鍵開關(guān)按下，硬度計不動作，但有嗡嗡的電流聲此種故障原因?yàn)殡姍C(jī)缺相，應(yīng)檢查電源是否正常，電源插頭是否插好，電纜線是否有斷路，電源開關(guān)是否完好，電機(jī)接線是否接牢，電機(jī)線圈是否燒壞一組以及換向開關(guān)觸點(diǎn)接觸是否良好等，應(yīng)視其情況分別予以排除。端淬硬度機(jī)源頭廠家實(shí)踐證明，金屬材料的各種硬度值之間，硬度值與強(qiáng)度值之間具有近似的相應(yīng)關(guān)系。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美標(biāo)硬度機(jī)設(shè)備,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776434951172/5750740.jpg"></div><p> 飽嘗較大沖擊的各種模具,例如一般拉伸模,沖孔凹模,沖模,落料模,切邊模,滾邊模,拉絲模,冷揉捏模,冷切剪刀,圓鋸,規(guī)范東西,量具等。11、SKD11——耐性鉻鋼.日本日立株式出產(chǎn).在技能上改進(jìn)鋼中的鑄造安排,細(xì)化了晶粒.較Cr12mov的耐性和耐磨性有所進(jìn)步.延長了模具的運(yùn)用壽數(shù).12、D2——高碳高鉻冷作鋼,美國產(chǎn).具有高的淬透性,淬硬性,耐磨性,高溫抗氧化功能好,淬火和拋光后抗銹蝕才能好,熱處理變形小,宜制作各種要求高精度,長壽數(shù)的冷作模具,***和量具,例如拉伸模,冷揉捏模,冷剪切刀等。13、SKD11(SLD)——不變形耐性高鉻鋼.日本日立株式出產(chǎn).由于鋼中MO,V含量添加,改進(jìn)鋼中的鑄造安排,細(xì)化了晶粒,改進(jìn)了碳化物描摹,因此此鋼的強(qiáng)耐性(抗彎強(qiáng)度,撓度,沖擊韌度等)比SKD1,D2高,耐磨性也有所添加,并且具有更高的耐回火性.實(shí)踐證明此鋼模具壽數(shù)比Cr12mov有所進(jìn)步.常制作要求高的模具,如拉伸模,沖擊砂輪片的模等。14、DC53——高耐性高鉻鋼,日本大同株式出產(chǎn).熱處理硬度高于SKD11.高溫(520-530)回火后可達(dá)62-63HRC高硬度。</p><p> 表面熱處理分為兩大類，一類是表面淬火回火熱處理，另一類是化學(xué)熱處理，其硬度檢驗(yàn)方法如下：1、表面淬火回火熱處理表面淬火，回火熱處理通常用感應(yīng)加熱或火焰加熱的方式進(jìn)行。主要技術(shù)參數(shù)是表面硬度、局部硬度和有效硬化層深度。硬度檢測可采用維氏硬度計，也可采用洛氏或表面洛氏硬度計。試驗(yàn)力（標(biāo)尺）的選擇與有效硬化層深度和工件表面硬度有關(guān)。這里涉及到三種硬度計。維氏硬度計是測試熱處理工件表面硬度的重要手段，它可選用～100KG的試驗(yàn)力，測試薄至，它的精度是高的，可分辨出熱處理工件表面硬度的微小差別。另外，有效硬化層深度也要由維氏硬度計來檢測，所以，對于進(jìn)行表面熱處理加工或大量使用表面熱處理工件的單位，配備一臺維氏硬度計是有必要的。表面洛氏硬度計也是十分適于測試表面淬火工件硬度的，表面洛氏硬度計有三種標(biāo)尺可以選擇?？梢詼y試有效硬化深度超過。盡管表面洛氏硬度計的精度沒有維氏硬度計高，但是作為熱處理工廠質(zhì)量管理和合格檢查的檢測手段，已經(jīng)能夠滿足要求。況且它還具有操作簡單、使用方便、價格較低，測量迅速、可直接讀取硬度值等特點(diǎn)，利用表面洛氏硬度計可對成批的表面熱處理工件進(jìn)行快速無損的逐件檢測。硬度：是材料抵抗局部塑性變形的能力，多用壓入法測定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美標(biāo)硬度機(jī)設(shè)備,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776472285156/7820234.jpg"></div><p> 7)如果在目鏡中觀察到的成像呈模糊狀或一半清晰一半模糊，則說明光源中心偏離系統(tǒng)光路中心，需調(diào)節(jié)燈泡的中心位置。如果視場太暗或太亮可通過操作面板(6)上的軟鍵調(diào)節(jié)光源強(qiáng)弱。(8)如果想觀察試塊或試樣上的較大視場范圍，可將物鏡壓頭轉(zhuǎn)換手柄逆時針轉(zhuǎn)至主體前方，此時，光學(xué)系統(tǒng)總放大倍率為100X，處于觀察狀態(tài)。當(dāng)轉(zhuǎn)換1OX和40X物鏡時聚焦面有微量變化，可微調(diào)升降絲桿進(jìn)行聚焦。(9)將轉(zhuǎn)換手柄逆時針轉(zhuǎn)動，使壓頭主軸處于主體前方，此時壓頭前列(1)與聚焦好的平面之間間隙約為～。當(dāng)測量不規(guī)則的試樣時要小心，防止壓頭碰及試樣，損壞壓頭。(10)根據(jù)試驗(yàn)要求在操作面板上鍵入試驗(yàn)力延時保荷時間，每鍵入一次變化為五秒，[十]為加，[－]為減。(11)按下操作面板(6)上的[START]鍵，此時加試驗(yàn)力，[LOADING]LED指示燈亮。(12)試驗(yàn)力保持階段時，延時[DWELL]LED亮，此時LCD屏上T按所選擇時間倒計數(shù)，延時時間到，試驗(yàn)力卸除，卸試驗(yàn)力(UNLOADING)LED亮。在LED未滅前，不要轉(zhuǎn)動壓頭測量轉(zhuǎn)換手柄，否則會影響壓痕測量精度，甚至損壞儀器。(13)將轉(zhuǎn)換手柄順時針轉(zhuǎn)動，使40X物鏡處于主體前方。這時就可在測微目鏡中測量對角線長度。(14)先將測微目鏡右邊的鼓輪順時針旋轉(zhuǎn)。硬度計本身會產(chǎn)生兩種誤差：一是其零件的變形、移動造成的誤差；二是硬度參數(shù)超出規(guī)定標(biāo)準(zhǔn)所造成的誤差。美標(biāo)硬度機(jī)設(shè)備</p><p style="text-indent:25px">當(dāng)需要時，硬度計就成為生產(chǎn)周期的相關(guān)要素。美標(biāo)硬度機(jī)設(shè)備</p><p> 鋼材的硬度:金屬硬度(Hardness)的代號為H。按硬度試驗(yàn)方法的不同，●常規(guī)表示有布氏(HB)、洛氏(HRC)、維氏(HV)、里氏(HL)硬度等，其中以HB及HRC較為常用?！馠B應(yīng)用范圍較廣，HRC適用于表面高硬度材料，如熱處理硬度等。兩者區(qū)別在于硬度計之測頭不同，布氏硬度計之測頭為鋼球，而洛氏硬度計之測頭為金剛石?！馠V-適用于顯微鏡分析。維氏硬度(HV)以120kg以內(nèi)的載荷和頂角為136°的金剛石方形錐壓入器壓入材料表面，用材料壓痕凹坑的表面積除以載荷值，即為維氏硬度值(HV)?！馠L手提式硬度計，測量方便，利用沖擊球頭沖擊硬度表面后，產(chǎn)生彈跳;利用沖頭在距試樣表面1mm處的回彈速度與沖擊速度的比值計算硬度，公式:里氏硬度HL=1000×VB(回彈速度)/VA(沖擊速度)?！衲壳?*常用的便攜式里氏硬度計用里氏(HL)測量后可以轉(zhuǎn)化為:布氏(HB)、洛氏(HRC)、維氏(HV)、肖氏(HS)硬度?；蛴美锸显碇苯佑貌际?HB)、洛氏(HRC)、維氏(HV)、里氏(HL)、肖氏(HS)測量硬度值。時代公司生產(chǎn)的TH系列里氏硬度計就有此功能，是傳統(tǒng)臺式硬度機(jī)的有益補(bǔ)充!"1、HB-布氏硬度:布氏硬度(HB)一般用于材料較軟的時候，如有色金屬、熱處理之前或退火后的鋼鐵。洛氏硬度(HRC)一般用于硬度較高的材料。美標(biāo)硬度機(jī)設(shè)備</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，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/3175131.html</p></div></div></div></div></div><div id="srjpmdf" class="page-right twoColRt"><div id="33l4cgh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="n8h9dkc" 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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