北京床床廠家來電咨詢中倫精密機(jī)床設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="磨削裂紋產(chǎn)生原因及特征：1、如果磨削經(jīng)滲碳淬火回火的齒輪，由于局部產(chǎn)生磨削熱回火，導(dǎo)致收縮或拉伸而引發(fā)裂紋，并產(chǎn)生軟點(diǎn)。前者為磨削裂紋，后者為磨削燒損，北京床床廠家。另外，殘留奧氏體向馬氏體的轉(zhuǎn)變，局部的磨削熱升至Ac1點(diǎn)以上，部分表面在冷"><meta name="keywords" content="北京床床廠家"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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clearfix"><h1>北京床床廠家來電咨詢中倫精密機(jī)床設(shè)備供應(yīng)</h1><div id="qtktoep" class="proBig"><div id="7y7buv8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/zhonglun/637211571264316407/3833267.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bzfwxof" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/zhonglun/637211571264316407/3833267.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cvwipul" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京床床廠家</p><p><span>***更新：</span>2020-05-22 18:29:26</p><p><span id="click" >瀏覽次數(shù)：7次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bubnepv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫市中倫精密機(jī)床設(shè)備制造有限公司</a></p><p><span>聯(lián)系人：</span>李智</p><p><span>郵箱: </span>zhonglunjingji@163.com</p><p><span>電話: </span>18915282091</p><p><span>傳真: </span>0510_85308035</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-85752527</p><p><span>地址: </span>無錫市新吳區(qū)碩放鎮(zhèn)工業(yè)集中區(qū)六期D31號地塊</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="jcnzabs" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rvm332e" class="box"><p><p style="text-indent:25px">磨削裂紋產(chǎn)生原因及特征：1、如果磨削經(jīng)滲碳淬火回火的齒輪，由于局部產(chǎn)生磨削熱回火，導(dǎo)致收縮或拉伸而引發(fā)裂紋，并產(chǎn)生軟點(diǎn)。前者為磨削裂紋，后者為磨削燒損，北京床床廠家。另外，殘留奧氏體向馬氏體的轉(zhuǎn)變，局部的磨削熱升至Ac1點(diǎn)以上，部分表面在冷卻液冷卻過程中再次淬火并形成裂紋；由于磨削熱溫度到100～150℃左右，北京床床廠家，形成與磨削方向成直角平行線狀的裂紋，稱為一種磨削裂紋；磨削熱溫度到250～300℃時，呈龜甲狀裂紋，北京床床廠家，稱為第二種磨削裂紋。磨削裂紋的深度約為0. 1～0. 2mm。2、磨削熱過高；齒輪回火不充分；材料晶粒度大；殘留奧氏體多。這些原因?qū)е履ハ髁鸭y產(chǎn)生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京床床廠家" src="http://tyunfile.71360.com/UploadFile/zhonglun/637211571264316407/3833267.jpg"></div><p style="text-indent:25px">大型機(jī)床搬家時，機(jī)床斷電后電氣拆機(jī)首要過程需要知道：（1）將一切機(jī)床部件運(yùn)轉(zhuǎn)到可拆方位，經(jīng)機(jī)械擔(dān)任人承認(rèn)后方可斷電拆機(jī)。（2）必須將一切電氣元件、電纜和電線上的編號符號明晰，做好拆線記載。機(jī)床搬家后需要做好接線并通電：（1）按所作的拆機(jī)記載接線，通電前核實(shí)機(jī)床電氣元件內(nèi)阻，并按功用查線保證接線正確。（2）按正常通電順序通電：操控回路、主回路、回裝NC數(shù)據(jù)和PLC程序。（3）按各坐標(biāo)運(yùn)轉(zhuǎn)的必要條件：泵組調(diào)試、壓力調(diào)試及光滑等正常后，經(jīng)機(jī)械擔(dān)任人贊同后方可開端各坐標(biāo)調(diào)試。如有旋轉(zhuǎn)坐標(biāo)，應(yīng)了解旋轉(zhuǎn)規(guī)模，調(diào)試時格外當(dāng)心不要拉斷電纜及油管。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京床床廠家" src="http://tyunfile.71360.com/UploadFile/zhonglun/637211578447138672/6777122.png"></div><p style="text-indent:25px">磨削燒傷是指零件表面因?yàn)槔鋮s不良或磨削量過大，造成零件的表面出現(xiàn)退火現(xiàn)象。其檢查方法為：用溫水洗干凈零件的表面，用5%的硝酸酒精溶液腐蝕50～60s，直到表面變黑，再用溫水清洗干凈，放入50%的鹽酸水溶液中3s，溫水洗凈烘干檢查。如腐蝕面混有明亮斑點(diǎn)（馬氏體組織）或暗斑點(diǎn)（托氏體或索氏體組織），則表明表面已經(jīng)燒傷。一旦出現(xiàn)這種缺點(diǎn)，將造成表面硬度不均，零件的耐磨性和強(qiáng)度明顯降低，甚至?xí)霈F(xiàn)廢品，無法滿足零件的工作要求，因此在零件實(shí)際磨削過程中，這是不允許的。熱處理后的零件在后續(xù)的磨削加工過程中，因?yàn)槟ハ鞑划?dāng)均會產(chǎn)生磨削退火和產(chǎn)生磨削裂紋，不同粒度的砂輪對不同材料、不同硬度的零件，可能產(chǎn)生不同類別的磨削裂紋。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京床床廠家" src="http://tyunfile.71360.com/UploadFile/zhonglun/637211571264296875/965909.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/7283.html</p></div></div></div></div></div><div id="znj3adz" class="page-right twoColRt"><div id="w3flmsj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d47d392" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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