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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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src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xepmj4q" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x8nv7mj" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>新鄉(xiāng)冷拔扁鋼,鋼</p><p><span>***更新：</span>2020-12-14 05:05:28</p><p><span id="click" >瀏覽次數：1次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="lsph3uw" 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>聯系人：</span>朱經理</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="ds8gd9c" class="page-proshow02"><p class="title">詳細說明</p><div id="vvoliha" class="box"><p><p style="text-indent:25px">冷拔方鋼的工作條件是十分惡劣的，因而作為高壓鍋爐用管除了對性能、庭量有一般要求外，還要有一些特殊的嚴格要求。冷拔方鋼具有足夠高的高溫強度和高溫塑性，新鄉(xiāng)冷拔扁鋼。在操作前，應按常規(guī)對設備進行檢查和空載運轉一次。安裝拔絲模時，要分清正反面.安裝后應將固定螺栓擰緊。為減少拔絲力和拔絲?？讚p耗，抽拔時須涂以潤滑劑。一般在拔絲模前安裝一個潤滑盒，新鄉(xiāng)冷拔扁鋼，新鄉(xiāng)冷拔扁鋼，使鋼筋黏滯潤滑劑進入拔絲模。拔絲的成品，應隨時檢查砂孔、溝痕、夾皮等缺點，以便隨時更換拔絲?；蛘{整轉速。冷拔方鋼的生產流程是什么？新鄉(xiāng)冷拔扁鋼</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新鄉(xiāng)冷拔扁鋼,鋼" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145248776682184/6371452487766821848108873.jpg"></div><p style="text-indent:25px">兩種鋼管工藝流程詳解冷拔鋼管用熱軋鋼卷為原料，經酸洗去除氧化皮后進行冷連軋，其成品為軋硬卷，由于連續(xù)冷變形引起的冷作硬化使軋硬卷的強度、硬度上升、韌塑指標下降，因此沖壓性能將惡化，只能用于簡單變形的零件。軋硬卷可作為熱鍍鋅廠的原料，因為熱鍍鋅機組均設置有退火線。軋硬卷重一般在6~13.5噸，鋼卷內徑為610mm。一般冷連軋板、卷均應經過連續(xù)退火（CAPL機組）或罩式爐退火消除冷作硬化及軋制應力，達到相應標準規(guī)定的力學性能指標。河南冷拔扁鋼銷售冷拔鋼要嚴格按照說明進行加工。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新鄉(xiāng)冷拔扁鋼,鋼" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145249061103870/6371452490611038703976340.jpg"></div><p style="text-indent:25px">熱軋鋼管用連鑄板坯或初軋板坯作原料，經步進式加熱爐加熱，高壓水除鱗后進入粗軋機，粗軋料經切頭、尾、再進入精軋機，實施計算機控制軋制，終軋后即經過層流冷卻和卷取機卷取、成為直發(fā)卷。直發(fā)卷的頭、尾往往呈舌狀及魚尾狀，厚度、寬度精度較差，邊部常存在浪形、折邊、塔形等缺陷。其卷重較重、鋼卷內徑為760mm。(一般制管行業(yè)喜歡使用。)將直發(fā)卷經切頭、切尾、切邊及多道次的矯直、平整等精整線處理后，再切板或重卷，即成為：熱軋鋼板、平整熱軋鋼卷、縱切帶等產品。熱軋精整卷若經酸洗去除氧化皮并涂油后即成熱軋酸洗板卷。該產品有局部替代冷軋板的趨向，價格適中，深受廣大用戶喜愛。</p><p style="text-indent:25px">冷拔異型無縫鋼管保存要求、1.對于保存異型鋼管產品的場地或庫房，應挑選在保潔整潔、排水暢達的地方，遠離有害氣體或粉塵的廠礦。地面上要掃除凈盡雜草及一切雜物，維持鋼材的整潔。2.在庫房里不能與酸、堿、鹽、士敏土等對鋼材有剝蝕性的材料堆放在一塊兒。新鄉(xiāng)康宏機械公司是一家專業(yè)生產銷售冷拔鋼，冷拔圓鋼，冷拔方鋼，冷拔六角鋼，冷拔異型鋼等產品的公司，廠家直銷價格優(yōu)，本公司擁有一支具有豐富經驗的員工組成的售后服務隊伍，產品質量有保證?？岛霗C械的冷拔鋼產品經過合格檢驗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新鄉(xiāng)冷拔扁鋼,鋼" src="http://tyunfile.71360.com/UpLoadFile/kanghongjx/2020/1/637145249305566625/6371452493055666257599542.jpg"></div><p style="text-indent:25px">對于冷拔鋼在沖壓件加工后出現的表層凸凹不平，乃至是裂開狀況開展了剖析，獲得的結果是，因為現階段機器設備、原材料及生產工藝實際操作難以把握，冷拉后表層強度加硬，沒有退火處理，在沖壓模具高韌性下不銹鋼板材拉伸強度超出了冷拉鋼延展性，因此在熱處理全過程中非常容易使商品造成裂開安全事故。一般狀況下，成份縮松、汽體和參雜物的存有及其煅造溫度和煅造比等把握不善的情況下，難題產生的就比較多。因為冷拔鋼的原料常存有帶條狀縮松，當歷經熱工作壓力生產加工后仍保存有成份縮松，經熱處理后這類縮松可從淬火機構中見到。并且更是由于有縮松，才促使冷拔鋼在還原性氛圍中加溫貼近固相線，非常容易造成溶解物或殘渣等，變成缺點造成的關鍵緣故?？岛霗C械是專業(yè)冷拔鋼管生產廠家。河南冷拔圓鋼現貨供應</p><p style="text-indent:25px">冷拔鋼的制作過程是冷拔加工。新鄉(xiāng)冷拔扁鋼</p><p style="text-indent:25px">康弘機械冷拔方式：生產高精度冷拔管──液壓缸體與傳統的切削工藝比較，具有以下特點：（1）生產效率高：用傳統的方法生產一根內徑420毫米，12米長的缸筒需154小時，用冷拔方法生產只需4分鐘。（2）成品率高：由于鏜孔的滾壓頭兼起導向作用，在切削過程中，毛坯管由于自重產生撓度，致使?jié)L壓頭和鏜刀走偏，造成廢品。成品率只能達到60%左右，而用冷拔方法生產，成品率可達95%以上。（3）金屬利用率高：用傳統的鏜孔方法制造缸體，金屬利用率只有50-70%。用拉拔方法生產時，金屬不但不被切削成鐵末，反而可以得到30%的延伸，金屬利用率可達95%。（4）能改善成品管金屬的機械性能：用拉拔方法生產，使毛坯得到30%以上的塑性變形，由于加工硬化而使成品管金屬的強度限大為提高。一般在成品管內層強度限提高達60%。高精度冷拔管是用無縫熱軋鋼管、直縫焊管為坯料，經過化學處理后在**冷拔機上，通過特種變形原理設計的模具進行拉拔，生產出高精度管。其尺寸精度達H10～H8，直線度達0.35～0.5mm/m，表面粗糙度達Ra1.6-0.4。新鄉(xiāng)冷拔扁鋼</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2396338.html</p></div></div></div></div></div><div id="83g38uf" class="page-right twoColRt"><div id="x3hbnmd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oda3tug" 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" class="vcenter" 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