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新聞内容： <P>河北国标弯头-冲压弯头的成形工艺介绍，河北乾特管道设备有限公司【<SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">13932768305<SPAN class=Apple-converted-space>&nbsp;</SPAN>刘经理</SPAN><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><FONT face=宋体>】</FONT></SPAN><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; 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; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><FONT face=宋体>位于</FONT>“中国管件之都”河北省孟村县。主要生产：</SPAN><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 12px; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><A style="COLOR: rgb(100,100,100); TEXT-DECORATION: none" href="http://www.hbjjnnj.cn/Edit/www.hbjjnnj.cn"><SPAN class=15 style="FONT-SIZE: 10.5pt; BACKGROUND: rgb(255,255,255); TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); FONT-FAMILY: 宋体; LETTER-SPACING: 0pt"><FONT face=宋体><STRONG>国标弯头</STRONG></FONT></SPAN></A></SPAN><STRONG><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; 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; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">,</SPAN><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 12px; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><A style="COLOR: rgb(100,100,100); TEXT-DECORATION: none" href="http://www.hbjjnnj.cn/sregerh/Index.html"><SPAN class=15 style="FONT-SIZE: 10.5pt; BACKGROUND: rgb(255,255,255); TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); FONT-FAMILY: 宋体; LETTER-SPACING: 0pt"><FONT face=宋体><STRONG>对焊弯头</STRONG></FONT></SPAN></A></SPAN></STRONG><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; 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; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><FONT face=宋体><STRONG>，</STRONG><A style="COLOR: rgb(100,100,100); TEXT-DECORATION: none" href="http://www.hbjjnnj.cn/Edit/www.hbjjnnj.cn/ProDisplay/index.html" target=_blank><STRONG>孟村弯头</STRONG></A><STRONG>，</STRONG><A style="COLOR: rgb(100,100,100); TEXT-DECORATION: none" href="http://www.hbjjnnj.cn/Edit/www.hbjjnnj.cn/ProDisplay/index.html" target=_blank><STRONG>碳钢弯头</STRONG></A>。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，</FONT></SPAN><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 10.5pt; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><FONT face=宋体>欢迎登录我公司查看详细的产品信息：</FONT></SPAN><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 12px; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><A style="COLOR: rgb(100,100,100); TEXT-DECORATION: none" href="http://www.hbjjnnj.cn/ProDisplay/index.html"><SPAN class=15 style="FONT-SIZE: 10.5pt; COLOR: rgb(63,63,63); FONT-FAMILY: 宋体">http://www.hbjjnnj.cn/ProDisplay/index.html</SPAN></A></SPAN></P> <P>冲压弯头分冷冲压和热冲压两种，通常根据材料性质和设备能力选择冷冲压或热冲压。 冷挤压弯头的成形过程是使用专用的弯头成形机，将管坯放入外模中，上下模合模后，在推杆的推动下，管坯沿内模和外模预留的间隙运动而完成成形过程。冲压弯头厂用于检测铁镍基铁磁性资料，例如：马氏体不锈钢和沉积硬化不锈钢资料，不适用于检测非磁性资料，例如：奥氏体不预热和焊后800℃左右的回火处理。若焊件不能进行热处理，则应选用铬镍不锈钢焊条。用于 检测工件外表和近外表的延伸方向与磁力线方向尽量笔直的缺陷，但不适用于检测延伸方向。<BR>弯曲成形法：有三种方法较为常用，一种方法叫伸展法，另一种方法叫冲压法，第三种滚轮法，有3－4个辊，两个固定辊，一个调整辊，调整固定辊距，成品管件就是弯曲的。</P> <P><A href="http://www.hbjjnnj.cn/wantou/duxinwantou/index.html" target=_blank><IMG height=113 alt="产品名称：镀锌弯头&#13;&#10;" src="http://www.hbjjnnj.cn/upfiles/proimages/201791210441038884.jpg" width=150 border=0></A></P> <P><SPAN style="FONT-WEIGHT: normal; FONT-SIZE: 12px; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"></SPAN>&nbsp;</P>

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