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href="http://">彎管機(jī)</a>的前部,由液壓缸將其懸掛在機(jī)架上呈浮動(dòng)狀態(tài)。彎管時(shí),下模上升使鋼管受彎,因下模上升而產(chǎn)生的作用力是彎管時(shí)的主動(dòng)力。上模吊掛在機(jī)架中部,彎管時(shí)上模和機(jī)架貼緊,起支點(diǎn)作用。夾具位于彎管機(jī)的尾部,彎管時(shí)能將鋼管一端卡緊,同時(shí)又能適應(yīng)鋼管因軸線撓曲而發(fā)生的角度變化。當(dāng)下模上升時(shí),鋼管橫向受力和梁受彎狀態(tài)相同。上模中心和夾具均受支座反力,下模上升給鋼管施加的力逐漸增大到某一值時(shí),下部管壁上的拉伸應(yīng)力達(dá)到鋼材的屈服極限,于是鋼管產(chǎn)生塑性變形而彎曲。</span></div> <div id="0uc0w4osuk2" class="float_c news-page fs_14"> <div id="0uc0w4osuk2" class="f_l"> 上一篇：<a href='/hyxw/2094.html'>如何制作三通機(jī)和銷售</a> </div> <div id="0uc0w4osuk2" class="f_r"> 下一篇：<a href='/hyxw/2097.html'>彎管機(jī)廠家對(duì)彎管的知識(shí)重點(diǎn)介紹</a> </div> </div> </div> </div> </div> </div> <div id="0uc0w4osuk2" class="footer"> <div id="0uc0w4osuk2" class="w_1200 float_c pos_r"> <div id="0uc0w4osuk2" 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 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