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style="margin-right: 10px; float: left; width: 180px; height: 180px;" /></h3> <h3> <a href="http://www.hbjjhltu.cn"><span style="font-size:36px;">彎頭機(jī)</span></a></h3> <p> <span style="font-size:20px;"><a href="http://www.hbjjhltu.cn">彎頭機(jī)</a>的生產(chǎn)制造工藝，彎頭是用于管道轉(zhuǎn)彎的一種管件，有90度彎頭，45度彎頭等等，可以根據(jù)工程需要生產(chǎn)制造，不同材料和不同壓力的彎頭生產(chǎn)制造工藝也不同，到目前為止，彎頭生產(chǎn)制造廠家常用的無(wú)縫彎頭生產(chǎn)制造工藝有熱推彎頭（中頻感應(yīng)加熱彎頭機(jī)）、推制彎頭、對(duì)焊彎頭這幾種生產(chǎn)制造方法。熱推彎頭是無(wú)縫彎頭生產(chǎn)制造采用的一種工藝，采用彎頭推制機(jī)，芯模和加熱裝置，使用套在模具上的坯料在彎頭推制機(jī)的推動(dòng)下向前面運(yùn)行，在管子運(yùn)行中進(jìn)行加熱擴(kuò)徑并彎曲成形的過(guò)程。熱推彎頭的變形特點(diǎn)是根據(jù)金屬材料變形前后體積不變的規(guī)律確定管坯直徑，在采用管子的時(shí)候，采用管子的口徑小于彎頭的口徑，在彎頭加熱變形中，補(bǔ)償?shù)揭驍U(kuò)口徑</span></p> <p> <span style="font-size:20px;">而減薄其他部位，所以得到壁厚均勻的彎頭，這是推制彎頭生產(chǎn)制造工藝。推制機(jī)推制出來(lái)的彎頭，外觀漂亮，壁厚均勻可以連續(xù)生產(chǎn)制造，可以大批量生產(chǎn)推制彎頭，所以一般碳鋼彎頭，合金鋼彎頭生產(chǎn)制造的主要工藝就是選擇采用推制機(jī)推制彎頭生產(chǎn)制造，并也應(yīng)用在某些規(guī)格的不銹鋼彎頭的成形中（熱成型<a href="http://www.hbjjhltu.cn">彎頭機(jī)</a>的優(yōu)勢(shì)）。</span></p> <div id="wgaehuy" class="float_c news-page fs_14"> <div id="owjmh28" class="f_l"> 上一篇：<a href='/hyxw/1637.html'>彎頭推制機(jī)的原理知識(shí)</a> </div> <div id="evz348m" class="f_r"> 下一篇：<a href='/hyxw/1640.html'>彎管機(jī)的結(jié)構(gòu)構(gòu)造</a> </div> </div> </div> </div> </div> </div> <div id="rhdplpl" class="footer"> <div id="baw3gtg" class="w_1200 float_c pos_r"> <div id="ndptnrm" class="f_l"> <ul class="list_none footer_ul"> <li> <span>關(guān)于我們</span> <a href="/guanyuoushang/">關(guān)于奧程</a> <a href="/oushangfengcai/">企業(yè)文化</a> <a href="/shengchanshili/">生產(chǎn)實(shí)力</a> <a href="/fuwuliucheng/">服務(wù)流程</a> <a href="/fuwulinian/">服務(wù)理念</a> </li> <li> <span>設(shè)備列表</span> <a href="/bzdtbj/">彎頭機(jī)系列</a> <a href="/qzdy1/">彎管機(jī)系列</a> <a href="/qzdt123/">擴(kuò)管機(jī)系列</a> <a href="/qzdcm72/">三通機(jī)系列</a> <a href="/zsg523/">坡口機(jī)系列</a> <a href="/cjgg41/">液壓機(jī)系列</a> <a href="/fbj43/">模具</a> </li> <li> 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