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新聞内容： <P>威海管件厂家产品生产流程介绍，河北乾特管道设备有限公司<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><FONT color=#000000>是河北一家大型的</FONT><A href="http://www.hbjjnnj.cn/index.html" target=_blank><STRONG>管件厂家</STRONG></A></SPAN><SPAN style="FONT-WEIGHT: normal; BACKGROUND: rgb(255,255,255); WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: 0pt; WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><STRONG>、</STRONG><A href="http://www.hbjjnnj.cn/wantou/index.html" target=_blank><STRONG>弯头厂家</STRONG></A><STRONG>、</STRONG><A href="http://www.hbjjnnj.cn/sregerh/index.html" target=_blank><STRONG>法兰厂家</STRONG></A>，主要生产：<A href="http://www.hbjjnnj.cn/wantou/duihanwantou/index.html" target=_blank><STRONG>对焊弯头</STRONG></A><STRONG>、</STRONG><A href="http://www.hbjjnnj.cn/wantou/tangangwantou/index.html" target=_blank><STRONG>碳钢弯头</STRONG></A>等产品</SPAN>。公司产品广泛应用于石油、化工、造纸、制药、食品、啤酒、电力、造船、天然气等行业，了解更多详情欢迎登录<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal">：<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><A href="http://www.hbjjnnj.cn/Index.html">http://www.hbjjnnj.cn/Index.html</A></SPAN></SPAN></P> <P><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal">&nbsp;&nbsp;&nbsp; 无缝弯头是用于管道转弯处的一种管件。在管道系统多使用的全部管件中，所占比例最大，约为80%。通常，对不同材料货壁厚的弯头选择不同的成形工艺。目前。制造厂常用的无缝弯头成形工艺有热推、冲压、挤压等。<BR>无缝弯头又叫无缝钢管弯头英文名字seamless elbow或者seamless pipe elbow， 无缝弯头管件因其制造工艺不同，又分为热轧（挤压）无缝弯头管件和冷拔（轧）无缝弯头管件两种。冷拔（轧）管又分为圆形管和异形管两种。<BR>轧制无缝弯头管件的原料是圆管坯，圆管胚要经过切割机的切割加工成长度约为一米的坯料，并经传送带送到熔炉内加热。钢坯被送入熔炉内加热，温度大约为1200摄氏度。燃料为氢气或乙炔。炉内温度控制是关键性的问题.圆管坯出炉后要经过压力穿孔机进行穿空。一般较常见的穿孔机是锥形辊穿孔机，这种穿孔机生产效率高，产品质量好，穿孔扩径量大，可穿多种管件。穿孔后，圆管坯就先后被三辊斜轧、连轧或挤压。挤压后要脱管定径。定径机通过锥形钻头高速旋转入钢胚打孔，形成管件。</SPAN></SPAN></P> <P><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><IMG src="http://www.hbjjnnj.cn/Upfiles/proimages/2019412111519567.jpg"></SPAN></SPAN></P> <P><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal">上一条：<A title=德阳管件厂家诚信出售变径弯头 href="http://www.hbjjnnj.cn/NEWS/2414.html" target=_blank>德阳管件厂家诚信出售变径弯头</A></SPAN></SPAN></P> <P><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal">下一条：<A href="http://www.hbjjnnj.cn/Edit/news.asp?fnei=&amp;action=edit&amp;id=2417&amp;classid=1&amp;pagenum=1">牡丹江管件厂家生产细节大曝光</A></SPAN></SPAN></P>

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