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href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="wearxtk" class="twoCol"><div id="8f88ook" 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>?專業(yè)硬度機制造商上海尚材試驗機供應(yīng)</p><div id="33ypqmn" class="leftbox clearfix"><h1>專業(yè)硬度機制造商上海尚材試驗機供應(yīng)</h1><div id="ano8g7t" class="proBig"><div id="xaba3kl" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776433115234/7704425.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="74ij382" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shangcai/637127776433115234/7704425.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8xawsek" 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>專業(yè)硬度機制造商,硬度機</p><p><span>***更新：</span>2021-01-09 02:04:50</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="mz3sekq" 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="nlzawct" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lj88pte" class="box"><p><p> 原于能工業(yè)用設(shè)備8、Cr12——常用的冷作模具鋼（美國鋼號D3，日本鋼號SKD1)特性和運用:Cr12鋼是一種運用***的冷作模具鋼，屬高碳高鉻類型的萊氏體鋼。該鋼具有較好的淬透性和杰出的耐磨性；由于Cr12鋼碳含量高達(dá)，所以沖擊韌度較差、易脆裂，并且容易形成不均勻的共晶碳化物；Cr12鋼由于具有杰出的耐磨性，多用于制作受沖擊負(fù)荷較小的要求高耐磨的冷沖模、沖頭、下料模、冷鐓模、冷揉捏模的沖頭和凹模、鉆套、量規(guī)、拉絲模、壓印模、搓絲板、拉深模以及粉末冶金用冷壓模等9、DC53——常用的日本進(jìn)口冷作模具鋼特性和運用:**耐性冷作模具鋼，日本大同特殊鋼（株）廠家鋼號，專業(yè)硬度機制造商。高溫回火后具有高硬度、高耐性，線切割性杰出。用于精細(xì)冷沖壓模，專業(yè)硬度機制造商、拉伸模、搓絲模、冷沖裁模、沖頭號10、SM45——一般碳素塑料模具鋼（日本鋼號S45C）10、DCCr12MoV——耐磨鉻鋼國產(chǎn).較Cr12鋼含碳量低,且加入了Mo和V,碳化物不均勻有所改進(jìn),MO能減輕碳化物偏析并進(jìn)步淬透性,V能細(xì)化晶粒添加耐性.此鋼有高淬透性,截面在400mm以下能夠徹底淬透,在300~400℃仍可堅持杰出的硬度和耐磨性,較Cr12有高的耐性,淬火時體積改變小,又有高的耐磨性和杰出的歸納機械功能.所以能夠制作截面大,形狀雜亂。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，專業(yè)硬度機制造商，硬度值不準(zhǔn)確，不宜使用。專業(yè)硬度機制造商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="專業(yè)硬度機制造商,硬度機" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776433115234/7704425.jpg"></div><p> 維氏硬度計原理應(yīng)用以及優(yōu)缺點維氏硬度計（GB/—1999）相關(guān)硬度計介紹:HV-5型數(shù)顯小負(fù)荷維氏硬度計維氏硬度計原理采用正四棱錐體金剛石壓頭，在試驗力作用下壓入試樣表面，保持規(guī)定時間后，卸除試驗力，測量試樣表面壓痕對角線長度。試驗力除以壓痕表面積的商就是維氏硬度值。維氏硬度值按式（３－１）計算：HV=常數(shù)×試驗力/壓痕表面積≈F／d2…………（3－1）式中：HV————維氏硬度符號；F――――試驗力，N；d————壓痕兩對角線d1、d2的算術(shù)平均值，mm實用中是根據(jù)對角線長度d通過查表得到維氏硬度值。國家標(biāo)準(zhǔn)規(guī)定維氏硬度壓痕對角線長度范圍為～維氏硬度的表示方法維氏硬度表示為HV，維氏硬度符號HV前面的數(shù)值為硬度值，后面為試驗力值。標(biāo)準(zhǔn)的試驗保持時間為10～15S。如果選用的時間超出這一范圍，在力值后面還要注上保持時間。例如：600HV30—表示采用（30kg）的試驗力，保持時間10～15S時得到的硬度值為600。600HV30/20—表示采用（30kg）的試驗力，保持時間20S時得到的硬度值為600。維氏硬度試驗的分類和試驗力選擇維氏硬度試驗按試驗力大小的不同，細(xì)分為三種試驗，即：維氏硬度試驗、小負(fù)荷維氏硬度試驗和顯微維氏硬度試驗。里氏硬度機里氏硬度（Dietmar Leeb）里氏硬度是根據(jù)***的里氏硬度測試原理利用先進(jìn)技術(shù)的微處理器技術(shù)設(shè)計而成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="專業(yè)硬度機制造商,硬度機" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776623203125/5680350.jpg"></div><p> 使用以上這些標(biāo)尺時其**小厚度要求參見本書中洛氏硬度試驗方法內(nèi)容。3維氏硬度檢測鋁及鋁合金箔材和帶材厚度均較薄且較軟，我國鋁合金箔材厚度界限為，因此，對于箔材和小于1mm厚度的帶材宜選用小負(fù)荷維氏或顯微維氏實驗法進(jìn)行硬度檢測。試驗力選用應(yīng)根據(jù)材料硬度和厚度選定，推薦的試驗力選用參考表27—2和表27—3。里氏硬度檢測及換算鋁合金大型鑄件、鍛壓件和不便拆卸的組裝件可用里氏硬度法檢測其硬度。用里氏法檢測時應(yīng)用D型或DC型沖擊裝置，其測量范圍在200~560HL間，相對應(yīng)布氏硬度值為30~160HB。鑄造鋁合金里氏與布氏硬度換算表參見27—4，有關(guān)里氏試驗方法及儀器、操作等參見本書***部里氏硬度檢測方法。韋氏硬度檢測在用韋氏硬度檢測鋁合金材料中，應(yīng)用**多的是鋁合金型材廠和建筑行業(yè)中用鋁合金門幕墻的硬度檢測。國家標(biāo)準(zhǔn)GB/T5237鋁合金建筑型材料中規(guī)定用韋氏硬度計測量硬度，建筑行業(yè)標(biāo)準(zhǔn)JJG139—2001《玻璃幕墻安裝質(zhì)量檢驗方法》中規(guī)定，對于幕墻工程所用鋁型材，應(yīng)使用韋氏硬度計進(jìn)行現(xiàn)場檢測，硬度合格值為＞8HW（相當(dāng)于52HBS）。此外，韋氏硬度計還可用于測量鋁合金板材和管材。測量的適用合金范圍從1XXX到7XXX。</p><p> 在強度和耐磨性方面DC53超越SKD11.耐性是SKD11的兩倍.DC53的耐性在冷作模具制作很少呈現(xiàn)裂紋和龜裂.**進(jìn)步了運用壽數(shù).剩余應(yīng)力小.經(jīng)高溫回頭減少剩余應(yīng)力.由于線切割加工后的裂痕和變形得到***.切削性和研磨性超越SKD11.用于精細(xì)沖壓模,冷鍛,深拉模等.15、SKH-9——耐磨性,耐性大的通用高速鋼.日本日立株式出產(chǎn).用于冷鍛模,切條機,鉆頭,鉸刀,沖頭號。16、ASP-23——粉末冶金高速鋼,瑞典產(chǎn).碳化物散布極均勻,耐磨損,高耐性,易加工,熱處理尺度穩(wěn)定.用于沖頭,深拉伸模,鉆模,銑刀和剪切刀片等各類長壽數(shù)之切削東西。17、P20——一般要求的巨細(xì)塑膠模具,美國產(chǎn).可電蝕操作.出廠狀況預(yù)硬HB270-300.淬火硬度HRC52。18、718——高要求的巨細(xì)塑膠模具,瑞典產(chǎn).特別電蝕操作.出廠狀況預(yù)硬HB290-330.淬火硬度HRC5219、Nak80——高鏡面,高精度塑膠模具,日本大同株式產(chǎn).出廠狀況預(yù)硬HB370-400.淬火硬度HRC5220、S136——防腐蝕及需鏡面拋光塑膠模具,瑞典產(chǎn).出廠狀況預(yù)硬HB＜215.淬火硬度HRC52。21、H13——一般常用壓鑄模,用于鋁,鋅,鎂及合金壓鑄.熱沖壓模,鋁揉捏模,22、SKD61——***壓鑄模,日本日立株式產(chǎn),經(jīng)電碴重溶技能,在運用壽數(shù)上比H13有顯著的進(jìn)步.熱沖壓模,鋁揉捏模。HRC：是采用150kg載荷和鉆石錐壓入器求得的硬度，用于硬度很高的材料（如淬火鋼等）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="專業(yè)硬度機制造商,硬度機" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776514609375/7876703.jpg"></div><p> 熱噴涂層表面硬度檢測當(dāng)熱噴涂層厚度較薄時，如噴涂層厚度在，可參照金屬覆蓋層及其他有關(guān)覆蓋層維氏和努普顯微硬度檢測（見GB9790—88）。當(dāng)熱噴涂層厚度在，根據(jù)噴涂層的硬度不同分別采用表面洛氏硬度N和T標(biāo)尺進(jìn)行硬度檢測。試樣硬度相當(dāng)于20HRC～65HRC范圍內(nèi)應(yīng)選用N標(biāo)尺；相當(dāng)于99HRB～32HRB范圍內(nèi)應(yīng)選用T標(biāo)尺。，N標(biāo)尺和T標(biāo)尺要求噴涂層**小厚度參見表1和表2。表1洛氏N標(biāo)尺檢測噴涂層**小厚度噴涂層厚度不小于/mmHR15N相當(dāng)于HRCHR30N相當(dāng)于HRCHR45N相當(dāng)于HRC表2洛氏T標(biāo)尺檢測噴涂層**小厚度噴涂層厚度不小于/mmHR15T相當(dāng)于HRBHR30T相當(dāng)于HRBHR45T相當(dāng)于HRB845322.試樣試樣噴涂層面應(yīng)經(jīng)過精細(xì)拋光處理，勿使受溫度和制樣過程造成變形影響。3.檢測總檢測力F的保持時間推薦為：加檢測力后不隨時間繼續(xù)變形的試樣，保持時間不小于2s。加檢測力后隨時間繼續(xù)變形的試樣，保持時間為6～8s。對加檢測力后有明顯變形的試樣，應(yīng)保持20～25s。兩壓痕中心間距或壓痕中心距試樣邊緣距離不小于3mm。4.結(jié)果硬度值精確到。每個試樣應(yīng)給出連續(xù)5個點的硬度值。同時給出這連續(xù)5個點的算術(shù)平均值，還要給出其中低和高值。校準(zhǔn)硬度計用的標(biāo)準(zhǔn)塊不能兩面使用，因標(biāo)準(zhǔn)面與背面硬度不一定一致。專業(yè)硬度機制造商</p><p style="text-indent:25px">對形狀復(fù)雜的試件要采用相應(yīng)形狀的墊塊，固定后方可測試。專業(yè)硬度機制造商</p><p> 或回火溫度325~375℃，回火次數(shù)2~3次。CR12MOV模具鋼材加工工藝編輯冷擠壓摸?坯軟化規(guī)范：使??鐵屑保護(hù)加熱,溫度760~780°C,時間10h,爐冷,硬度l96HBW,可順利實現(xiàn)冷擠壓成形普通等溫球化退?規(guī)范：850~870℃×3~4h,隨爐冷卻到740~760℃×4~5h等溫,出爐空冷硬度≤241HBW,共晶碳化物等級≤3級好等溫溫度740~76o°C,時間≥4~5h球化退?規(guī)范(860±1ü)°C×2~4h,以30°C/h冷速爐冷,(740±10)°cx4-6h,隨爐緩慢冷卻到500~600°C,出爐空冷.硬度207~255HBW。普通淬?、回?規(guī)范淬?溫度1000~1050°c,油淬或?淬,硬度260HRC;回?溫度160~180,回?時間2h,或回?溫度325~375°C,回?2~3次CR12MOV模具鋼材典型應(yīng)?舉例編輯1)該鋼可?于制作材料厚度>3mm的沖裁模具復(fù)雜形狀的凸摸、凹摸、鑲塊.制作凸摸時建議硬度58~62HRC,制作凹模時建議硬度60~64HRC。2)?于制作沖裁模具中要求?耐磨的凸模、凹摸。制作凸模時建議硬度為60~62HRC,制作凹模時建議硬度為62~64HRC。3)?于制作拉深模中要求?耐的凹模,建議硬度為62~)?于制作彎曲模中要求?耐磨、形狀復(fù)雜的凸模、凹模及鑲塊。制作凸模時建議硬度60~64HRC,制作凹模時議硬度60~64HRC5)?于制作鋁件冷擠壓摸的凸模、凹模。專業(yè)硬度機制造商</p><p> 上海尚材試驗機有限公司是專業(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)團隊，業(yè)內(nèi)專業(yè)顧問團隊。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，堅持5S管理多年。擁有完備的機加工車間，CNC、數(shù)控機床等各類加工設(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/2762502.html</p></div></div></div></div></div><div id="gjntklr" class="page-right twoColRt"><div id="zizqcio" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mq3nj3e" 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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