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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>顯微硬度機(jī)對(duì)照表,硬度機(jī)</p><p><span>***更新：</span>2020-12-28 18:07:14</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="xlcdua3" 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="7xv8stz" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="zhsp7ks" class="box"><p><p> 對(duì)于便于取樣的鋁及其合金硬度檢測(cè)，顯微硬度機(jī)對(duì)照表，**常用和適宜選用的是布氏硬度檢測(cè)方法。對(duì)于檢測(cè)件較多，并望快速測(cè)得結(jié)果的鋁及其合金試樣，可采用洛氏硬度試驗(yàn)法檢測(cè)。某些特別產(chǎn)品，如鋁箔材、帶材，儀器儀表制作成為特細(xì)小零件，可采用小負(fù)荷和顯微維氏試驗(yàn)方法進(jìn)行檢測(cè)。建筑鋁合金型材生產(chǎn)和在使用過(guò)程中多采用韋氏硬度法監(jiān)測(cè)其硬度。不便于取樣的鋁合金大鑄件、鍛壓件等則宜采用里氏硬度試驗(yàn)方法檢測(cè)。使用固定儀器檢測(cè)1布氏硬度檢測(cè)布氏硬度檢測(cè)時(shí)首先應(yīng)根據(jù)鋁合金成分、狀態(tài)、硬度值高低合理選定K值（），再根據(jù)試樣厚度和寬窄選用球徑和試驗(yàn)力。鋁合金大多數(shù)合金系列，包括鑄造鋁合金其硬度多在36~130HB之間。只有熱處理強(qiáng)化型合金如在其T4或T6狀態(tài)下，布氏硬度高于130HB單位。純鋁（1XXX系列）大多數(shù)硬度值在35HB以下。根據(jù)以上介紹，推薦試驗(yàn)技術(shù)條件參見(jiàn)下表27—12洛氏硬度檢測(cè)適宜選用洛氏標(biāo)尺有：HRB、HRG、HRF、HRE以及HR15T等標(biāo)尺，顯微硬度機(jī)對(duì)照表。對(duì)于硬度值大于130HB的鋁合金試樣可選用HRB（72~100HRB相當(dāng)于130~240HB），HRG（36~），HR15T等標(biāo)尺。硬度值小于130HB的試樣則宜選用HRF（）和HRE，顯微硬度機(jī)對(duì)照表。硬度值低于35HB的試樣不宜選用洛氏試驗(yàn)法。為了能用硬度試驗(yàn)代替某些機(jī)械性能試驗(yàn)，生產(chǎn)上需要一個(gè)比較準(zhǔn)確的硬度和強(qiáng)度的換算關(guān)系。顯微硬度機(jī)對(duì)照表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="顯微硬度機(jī)對(duì)照表,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776484013672/8680701.jpg"></div><p> 某些塑料模具鋼還以預(yù)硬狀態(tài)（調(diào)質(zhì)處理）供貨，用戶可直接加工成模具而不必進(jìn)行后續(xù)熱處理。模具鋼按鋼種分類可分為碳素工具鋼、合金工具鋼和高速工具鋼，中國(guó)標(biāo)準(zhǔn)對(duì)于各種模具鋼都規(guī)定了出廠硬度要求，要求對(duì)鋼材的退火硬度和試樣淬火硬度進(jìn)行檢驗(yàn)。時(shí)代里氏硬度計(jì)被***應(yīng)用，它測(cè)試快速，方便，測(cè)試值可自動(dòng)轉(zhuǎn)換成布氏硬度值，因此得到一定程度的應(yīng)用。完成了機(jī)械加工的模具鋼材料要進(jìn)行淬火回火處理，再經(jīng)過(guò)精磨和拋光就可成為成品模具。淬火回火處理后的模具硬度檢測(cè)更為重要，因?yàn)檫@時(shí)的材料硬度是一個(gè)非常重要的質(zhì)量指標(biāo)，它在很大程度上決定了成品模具的使用壽命。淬火回火的模具料要求使用洛氏硬度計(jì)，測(cè)試HRC洛氏硬度值。模具成品需要具有比較好的綜合力學(xué)性能，既要有足夠的硬度，同時(shí)還要有一定的韌性，而硬度和韌性是一對(duì)矛盾，為了在具有合理韌性的條件下，便模具具有較高的硬度，比較好的硬度值就會(huì)被限制在一個(gè)比較窄的范圍內(nèi)，通常只有2-4個(gè)HRC單位。成品、半成品模具的硬度測(cè)試是一個(gè)難于解決的問(wèn)題。一直沒(méi)有一個(gè)較為理想的解決方案。只有少數(shù)體積和重量較小的模具可以搬到臺(tái)式洛氏硬度計(jì)上測(cè)試。尚材硬度機(jī)維修超出其規(guī)定的測(cè)試范圍時(shí)，硬度計(jì)的精確度及靈敏度較差，硬度值不準(zhǔn)確，不宜使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="顯微硬度機(jī)對(duì)照表,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776476816406/8397580.jpg"></div><p> 因價(jià)格頗高,於制刀業(yè)則多被應(yīng)用於刀匠之手制dao具。VG-1060~62日本“武生特制鋼”之「V金10號(hào)」不鋼材,乃「V金」,系鋼材之***級(jí)別,含碳量約1%,含鉬,經(jīng)熱處理後可達(dá)HRc60-62之硬度。VG-10加工性優(yōu),韌性及耐蝕性皆強(qiáng),多被應(yīng)用於日制之質(zhì)量dao具。★AUS8(8A):“愛(ài)知制鋼”所開發(fā)的質(zhì)量不銹鋼材,耐蝕性,刀鋒耐損性及韌性皆達(dá)優(yōu)異水平,多被應(yīng)用於制作質(zhì)量dao具。AUS鋼種分為10A(含碳量約1%),8A(含量)及6A(含碳量約)三種。8A經(jīng)熱處理後硬度可達(dá)HRc58~59?！?20J2:（ColdStee公司出品）由于其低碳高鉻的組成，是這種鋼材成為制作堅(jiān)韌抗震刀刃的決佳選擇，同時(shí)還具有很好的抗腐蝕能力與不錯(cuò)的刀鋒保持性。他是一種理想的刀刃材料，可以在各種不同的環(huán)境下使用，如高溫、潮濕、海水等環(huán)境，高量的鉻帶給它***的抗腐蝕能力，也使它成為制造隨身dao具和不需要怎么保養(yǎng)的dao具的上好材料?！?Cr13：國(guó)產(chǎn)之質(zhì)量不銹耐酸鋼材，低碳高鉻鋼，廣泛應(yīng)用于弱腐蝕介質(zhì)零件.醫(yī)療工具彈簧.滾動(dòng)軸承.手術(shù)dao具.外科器械，耐蝕性能力極優(yōu)，加工性極優(yōu)，綜合性能等同于420J2。（國(guó)內(nèi)**常用的質(zhì)量鋼材，例如Enlan系列***）★425m:420系鋼材改良(Modified)品種,定名為425M,將含碳量提高至約。</p><p> 使用以上這些標(biāo)尺時(shí)其**小厚度要求參見(jiàn)本書中洛氏硬度試驗(yàn)方法內(nèi)容。3維氏硬度檢測(cè)鋁及鋁合金箔材和帶材厚度均較薄且較軟，我國(guó)鋁合金箔材厚度界限為，因此，對(duì)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(shí)驗(yàn)法進(jìn)行硬度檢測(cè)。試驗(yàn)力選用應(yīng)根據(jù)材料硬度和厚度選定，推薦的試驗(yàn)力選用參考表27—2和表27—3。里氏硬度檢測(cè)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(cè)其硬度。用里氏法檢測(cè)時(shí)應(yīng)用D型或DC型沖擊裝置，其測(cè)量范圍在200~560HL間，相對(duì)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(jiàn)27—4，有關(guān)里氏試驗(yàn)方法及儀器、操作等參見(jiàn)本書***部里氏硬度檢測(cè)方法。韋氏硬度檢測(cè)在用韋氏硬度檢測(cè)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(cè)。國(guó)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(jì)測(cè)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(yàn)方法》中規(guī)定，對(duì)于幕墻工程所用鋁型材，應(yīng)使用韋氏硬度計(jì)進(jìn)行現(xiàn)場(chǎng)檢測(cè)，硬度合格值為＞8HW（相當(dāng)于52HBS）。此外，韋氏硬度計(jì)還可用于測(cè)量鋁合金板材和管材。測(cè)量的適用合金范圍從1XXX到7XXX。加載前要檢查加載手柄是否放在卸載位，加載時(shí)動(dòng)作要輕穩(wěn)，不要用力太猛。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="顯微硬度機(jī)對(duì)照表,硬度機(jī)" src="http://tyunfile.71360.com/UploadFile/shangcai/637127776439033203/1088694.jpg"></div><p> 調(diào)質(zhì)并高頻外表淬火后用于制作外表高硬度、耐磨的零件，如齒輪、軸、主軸、曲軸、心軸、套筒、銷子、連桿、螺釘螺母、進(jìn)氣閥等，經(jīng)淬火及中溫回火后用于制作重載、中速?zèng)_擊的零件，如油泵轉(zhuǎn)子、滑塊、齒輪、主軸、套環(huán)等，經(jīng)淬火及低溫回火后用于制作重載、低沖擊、耐磨的零件，如蝸桿、主軸、軸、套環(huán)等，碳氮共滲處即后制作尺度較大、低溫沖擊韌度較高的傳動(dòng)零件，如軸、齒輪等。4、HT150——灰鑄鐵運(yùn)用舉例:齒輪箱體，機(jī)床床身，箱體，液壓缸，泵體，閥體，飛輪，氣缸蓋，帶輪，軸承蓋等5、35——各種規(guī)范件、緊固件的常用資料首要特征:強(qiáng)度恰當(dāng)，塑性較好，冷塑性高，焊接性尚可。冷態(tài)下可部分鐓粗和拉絲。淬透性低，正火或調(diào)質(zhì)后運(yùn)用運(yùn)用舉例:適于制作小截面零件，可承受較大載荷的零件：如曲軸、杠桿、連桿、鉤環(huán)等，各種規(guī)范件、緊固件6、65Mn——常用的繃簧鋼運(yùn)用舉例:小尺度各種扁、圓繃簧、座墊繃簧、繃簧發(fā)條，也可制做繃簧環(huán)、氣門簧、離合器簧片、剎車繃簧、冷卷螺旋繃簧，卡簧等。7、0Cr18Ni9——**常用的不銹鋼（美國(guó)鋼號(hào)304，日本鋼號(hào)SUS304）特性和運(yùn)用:作為不銹耐熱鋼運(yùn)用*****，如食品用設(shè)備，一般化工設(shè)備。硬度和裝配、精加工工序一樣是決定零件質(zhì)量的重要因素。加高型硬度機(jī)規(guī)格</p><p style="text-indent:25px">洛氏硬度（HR）當(dāng)HB>450或者試樣過(guò)小時(shí)，不能采用布氏硬度試驗(yàn)而改用洛氏硬度計(jì)量。顯微硬度機(jī)對(duì)照表</p><p> 在強(qiáng)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(yùn)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(jī),鉆頭,鉸刀,沖頭號(hào)。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(zhǎng)壽數(shù)之切削東西。17、P20——一般要求的巨細(xì)塑膠模具,美國(guó)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(yùn)用壽數(shù)上比H13有顯著的進(jìn)步.熱沖壓模,鋁揉捏模。顯微硬度機(jī)對(duì)照表</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: 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