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src="http://tyunfile.71360.com/UpLoadFile/2019/8/6/10/637006839842655805_hbcz_3209810.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uzretpm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/6/10/637006839842655805_hbcz_3209810.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qzwdnu3" 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>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>內(nèi)蒙古口碑好閥門模具價(jià)格</p><p><span>***更新：</span>2020-06-28 05:20:24</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vpr84ji" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">泊頭市衡駿模具有限公司</a></p><p><span>聯(lián)系人：</span>郭桂新</p><p><span>郵箱: </span>758171861@qq.com</p><p><span>電話: </span>18733069463</p><p><span>傳真: </span>0317_8395103</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0317-8395103</p><p><span>地址: </span>河北省滄州市泊頭市王武鎮(zhèn)后陳莊村</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="8biv7wo" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="fu3ah7s" class="box"><p><p style="text-indent:25px">從鑄造毛坯的結(jié)構(gòu)上講，大部分的閥門毛坯采用的是結(jié)構(gòu)復(fù)雜的薄殼鑄件，要求有良好的外觀質(zhì)量、致密的內(nèi)部組織和良好的金相結(jié)構(gòu)，不能有氣孔、縮孔、夾砂、裂紋等缺點(diǎn)。因此其鑄造工藝復(fù)雜、熱處理技術(shù)難度高。在機(jī)械行業(yè)里，閥門的承壓薄殼鑄件毛坯的鑄造難度遠(yuǎn)較其他機(jī)械構(gòu)件的鑄件復(fù)雜、困難的多。（3）從機(jī)械加工工藝上講，由于大多數(shù)的**、高硬、高耐腐蝕材料的切削性能都不好，如高合金的不銹鋼、耐酸鋼都具有韌性大、強(qiáng)度高、散熱差、切屑粘性大和加工硬化傾向強(qiáng)等缺點(diǎn)，很難達(dá)到要求的尺寸精度和光潔度，內(nèi)蒙古口碑好閥門模具價(jià)格，給機(jī)加工的刀具、工藝和設(shè)備帶來(lái)很大困難。另外，內(nèi)蒙古口碑好閥門模具價(jià)格，內(nèi)蒙古口碑好閥門模具價(jià)格，閥門密封面在加工精度、配合角度和光潔度以及配對(duì)密封付的要求也很高，給機(jī)械加工帶來(lái)很大難度。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古口碑好閥門模具價(jià)格" src="http://tyunfile.71360.com/UpLoadFile/2019/8/6/10/637006839842655805_hbcz_3209810.jpg"></div><p style="text-indent:25px">鑄造模具是指為了獲得零件的結(jié)構(gòu)形狀，預(yù)先用其他容易成型的材料做成零件的結(jié)構(gòu)形狀，然后再在砂型中放入模具，于是砂型中就形成了一個(gè)和零件結(jié)構(gòu)尺寸一樣的空腔，再在該空腔中澆注流動(dòng)性液體，該液體冷卻凝固之后就能形成和模具形狀結(jié)構(gòu)完全一樣的零件了。閥門模具在工作中除了要求基體具有足夠高的強(qiáng)度和韌性的合理配合外，其表面性能對(duì)模具的工作性能和使用壽命至關(guān)重要。這些表面性能指：耐磨損性能、耐腐蝕性能、摩擦系數(shù)、疲勞性能等。這些性能的改善，單純依賴基體材料的改進(jìn)和提高是非常有限的，也是不經(jīng)濟(jì)的，而通過(guò)表面處理技術(shù)，往往可以收到事半功倍的效果，這也正是表面處理技術(shù)得到迅速發(fā)展的原因。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)蒙古口碑好閥門模具價(jià)格" src="http://tyunfile.71360.com/UpLoadFile/2019/8/6/10/637006839842187676_hbcz_9517450.jpg"></div><p style="text-indent:25px">閥體的材質(zhì)根據(jù)不同的工藝介質(zhì)，選用不同的材料。常用材質(zhì)有：鑄鐵、鑄鋼、不銹鋼、碳鋼、塑料、銅等。對(duì)于DN≥50的閥門，閥體、閥蓋采用鑄件，DN＜50的采用鍛件。閥門在澆鑄之前，對(duì)鋼液進(jìn)行爐前取樣分析，當(dāng)該爐原材料的化學(xué)成分都達(dá)到相應(yīng)標(biāo)準(zhǔn)后，進(jìn)行澆鑄。并對(duì)閥體進(jìn)行磁粉探傷，對(duì)于高溫高壓閥門則進(jìn)行X射線探傷。對(duì)于DN≥50的閥門，閥體、閥蓋采用鑄件，DN＜50的采用鍛件。閥門在澆鑄之前，對(duì)鋼液進(jìn)行爐前取樣分析，當(dāng)該爐原材料的化學(xué)成分都達(dá)到相應(yīng)標(biāo)準(zhǔn)后，進(jìn)行澆鑄。并對(duì)閥體進(jìn)行磁粉探傷，對(duì)于高溫高壓閥門則進(jìn)行X射線探傷。 </p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/419104.html</p></div></div></div></div></div><div id="kpczov8" class="page-right twoColRt"><div id="azrtl8h" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pu2qxur" class="recomPic likePro"><a href="http://m.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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