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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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href="http://www.cdcfah.com/cp/third-gangcai_xingcai/">型材</a>?河南冷拔方鋼廠家康弘供</p><div id="r9lkczl" class="leftbox clearfix"><h1>河南冷拔方鋼廠家康弘供</h1><div id="jkco3lb" class="proBig"><div id="37suels" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248580345025/6371452485803450259576001.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vpmogn8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248580345025/6371452485803450259576001.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bpmtq3v" 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>河南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>河南冷拔方鋼廠家,鋼</p><p><span>***更新：</span>2020-11-15 07:06:25</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="qkcel88" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新鄉(xiāng)市康弘機械有限公司</a></p><p><span>聯(lián)系人：</span>朱經(jīng)理</p><p><span>郵箱: </span>xxkhjx@163.com</p><p><span>電話: </span>15893889818</p><p><span>傳真: </span>0373_5438268</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0373-5439888</p><p><span>地址: </span>合河鄉(xiāng)東北永康村</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="pog2lwi" class="page-proshow02"><p class="title">詳細說明</p><div id="8xeg8hj" class="box"><p><p> 介紹軸承鋼的幾點基本要求：嚴格的碳化物不均勻性要求。鋼材如果出現(xiàn)嚴重的碳化物分布不均勻，則在熱處理加工過程中就容易造成組織和硬度的不均勻，其不均勻性對接觸疲勞強度有較大的影響。另外，嚴重的碳化物不均勻性還容易使軸承零件在淬火冷卻時產(chǎn)生裂紋，碳化物不均勻性還會導致軸承的壽命降低因此，在軸承材料標準中，對不同規(guī)格的鋼材均有明確的特別要求。了解之后，河南冷拔方鋼廠家，我們反過頭再看冷拔圓鋼。這種鋼材具有良好的尺寸穩(wěn)定性，同時冷，河南冷拔方鋼廠家、熱加工性能好，河南冷拔方鋼廠家，不管是彈性還是韌性或者是耐磨性都能夠滿足軸承鋼的加工要求，因此這種鋼材可以作為軸承鋼使用。 </p> <p> <br /> </p> <p> <br /> 冷拔鋼的制作過程是冷拔加工。河南冷拔方鋼廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南冷拔方鋼廠家,鋼" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248580345025/6371452485803450259576001.png"></div><p> 冷拔方鋼就是一種截面為四邊形的鋼材，表面光滑、精度高是它的一個主要特點，可用來制作各種機械零件。那么它的長度及允許偏差值是多少呢？我們來一起看一看相關標準中的規(guī)定值：一、通常長度1.鋼材通常長度為2000~6000mm。允許交付長度不小于1500mm的鋼材，其重量不得超過該批總重量的10%；但高合金鋼允許交付不小于1000mm的鋼材，其重量不得超過該批總重量的10%。2.如果客戶需要定制其他規(guī)格的冷拔方鋼，可以提供要求，商定協(xié)議，可以供應長度大于6000mm的鋼材。 </p> <p> <br /> </p> <p> <br /> 河南冷拔鋼廠家直銷冷拔鋼如果出現(xiàn)彎曲的應如何調(diào)整？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南冷拔方鋼廠家,鋼" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg"></div><p> 冷拔圓鋼也稱為冷拔元鋼，冷拔園鋼，冷拔光元，是冷拔型鋼的一種。規(guī)格從Ф4-Ф60，冷拔圓鋼材質(zhì)有A3，20，35，45，Q215-235，20Cr，40Cr，20CrMnTi，16Mn等?？砂纯蛻粢笸ㄟ^精密模具，拔出各種規(guī)格精度高，表面光滑的冷拔圓鋼。我們會根據(jù)冷拔圓鋼的不同品種和要求，對其進行鍛制，主要有以下方法：1、模鍛。對承插焊和螺紋的三通、四通、彎頭等小尺寸圓鋼，其外形相對復雜，應采用模鍛成形工藝制造。自由鍛。對特殊形狀的圓鋼或不宜采用模鍛成形的圓鋼可用自由鍛工藝制造。切削加工等。 </p> <p> <br /> </p> <p> <br /> </p><p style="text-indent:25px">冷拔方鋼對拉模的基本要求有什么？拉模的工作部分應具有正確的端面形狀和精確的幾何尺寸，保證冷拔后的尺寸公差符合規(guī)定；拉模的工作部分應有光潔的表面，以保證冷拔方鋼有較高的表面光潔度；拉模要有足夠的強度，避免在拔制時因強度不足而破壞，或產(chǎn)生過大的彈性變形。制造冷拔拉模的材料，要求價格便宜，加工方便。拉模的選擇對所拔鋼材的幾何尺寸及拔制過程能否正常進行都起到關鍵的作用，所以應當充分重視。以上都是對拉模的?？自O計、材質(zhì)的選擇、合理的制造工藝等多個方面進行說明，冷拔方鋼的拉模選配應符合以上的要求。康弘機械冷拔鋼產(chǎn)品性價比高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南冷拔方鋼廠家,鋼" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248725503189/6371452487255031898650876.jpg"></div><p style="text-indent:25px">冷拔方鋼進行貯存時，應該遵守哪些要求呢？方鋼的貯存要留意的是防潮、避免被酸腐蝕等等。保管方鋼的場所或庫房，應挑選在清潔潔凈、排水通暢的當?shù)?，遠離發(fā)生有害氣體或粉塵的廠礦。在場所上要整理雜草及雜物，保持方鋼潔凈。庫房里不得與酸、堿、鹽、水泥等對方鋼有侵蝕性的材料堆積在一起。不同品種的方鋼應分別堆積，避免混淆，避免接觸腐蝕。庫房應根據(jù)地域條件選定，一般選用一般封閉式庫房，即有房頂有圍墻、門窗緊密，設有通風設備的庫房。庫房要求晴天留意通風，雨天留意關閉防潮，常常保持適宜的貯存環(huán)境。冷拔鋼應該如何存放？河南冷拔鋼制造商</p><p style="text-indent:25px">康弘機械是專業(yè)冷拔鋼管生產(chǎn)廠家。河南冷拔方鋼廠家</p><p style="text-indent:25px">冷拔拉模是直接和冷拔方鋼接觸并且使冷拔方鋼發(fā)生變形的工具。拉模的結構、材質(zhì)和加工質(zhì)量都會影響到冷拔鋼的質(zhì)量、能耗、生產(chǎn)率以及工具本身的壽命。對于冷拔拉模的選配有以下幾點要求：1.冷拔拉磨的工作表面有盡可能高的硬度和耐磨性（HRC60以上）；2.冷拔拉模的?？自O計要合理，能滿足變形的需要，拔制力小，拔制穩(wěn)定，變形均勻，模子磨損均勻；4.拉模要有足夠的強度，避免在拔制時因強度不足而破壞，或產(chǎn)生過大的彈性變形。新鄉(xiāng)康宏機械有限公司生產(chǎn)的冷拔鋼質(zhì)量有保障！河南冷拔方鋼廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1999129.html</p></div></div></div></div></div><div id="7nf8ln2" class="page-right twoColRt"><div id="os2teb7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="n3spr8u" class="recomPic likePro"><a 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