水射流技术
<P><FONT face=宋体 size=3> 很高兴这个"水射流"板块开通了,欢迎大家来探讨.</FONT></P><P><FONT face=宋体 size=3> 水射流技术在中国是从1996年开始的,在国外是从上世纪50年代开始的,简单来说就是</FONT><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用普通的自来水经过过滤，通过增压器瞬间将水压增至所需的高压（如</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">300Mpa</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）并通过能量转换器（俗称宝石水喷嘴）以极高的速度射出形成水箭，其喷射速度大约</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">800m/s</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">，也就是音速的两倍半。压力能转换为动能,此种能量可以用来切割材料,清洗材料等,目前的主要产品有水切割机(也叫"水刀")和水清洗机。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">纯水箭的能量足以把一些软质材料，如塑料、木材、橡胶、泡沫制品切断。这就是所谓“<SPAN style="COLOR: red">纯水切割</SPAN>”</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
<P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US"> 为了切割硬质材料或高强度复合材料，需要在水箭里加进一些磨料，即在高压水从切割用砂管喷射出来之前，利用真空把磨料吸进来，水和磨料在砂管内混合聚焦、加速后射向工件。用“<SPAN style="COLOR: red">带磨料切割</SPAN>”几乎可以切割所有任何材料(包括玻璃\金属\复合材料等材料)．</SPAN></P>
<P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US"> 目前在国内这个行业正处于成长期（中国的发源地在南京），全国大大小小有三四十家公司在做这方面的产品及研究．已经在市场上逐渐广泛地应用．</SPAN></SPAN></P>
<P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US"> 水射流设备用到的知识范围比较广，主要有：机械，液压，电气，计算机，数控等等．</SPAN></P>
Re: 水射流技术
热烈祝贺雷雨的水射流技术栏目开通！Re: 水射流技术
热烈祝贺！支持雷雨斑竹的工作！希望看到更多更专业的好贴子：）Re: 水射流技术
读过几篇水射流的论文.....感觉不错,现有的开放性资料太少,也太简单,看到这里,耳目一新,希望斑竹不吝赐教......Re: 水射流技术
把你看到的好东西也拿来和大家共享吧，相信共建会让我们大家都受益：）Re: 水射流技术
抛砖引玉Re: 水射流技术
呵呵，谢谢阿Re: 水射流技术
不错的简介。 要是能结合水射流技术和传统的加工工艺做以下优势和劣势的比较就完美了。Re: 水射流技术
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; tab-stops: 27.0pt"><B><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">水刀与<SPAN style="mso-bidi-font-style: italic">其它热态切割相比具有如下优点</SPAN></SPAN></B><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-style: italic">：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt; tab-stops: 36.75pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">从切割效果上讲，水切割可达到半精加工水平，其粗糙度在</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">6.3</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">～</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">12.5</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">μ</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><FONT face="Times New Roman">m</FONT></SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">之间</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">。如果切割半精加工零件，它切割出来就无需后道工序，如千分尺尺架，连杆体等。从切割效率上，它不如火焰、等离子切割快，但火焰切割有后道工序问题，如退火、机械加工，去毛刺等。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
<P class=MsoBodyTextIndent3 style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; tab-stops: 36.75pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">热态切割会在切口处造成烧伤和熔化，此外在受热范围内还会产生应力、微裂纹。</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt; tab-stops: 10.5pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">而水切割是冷态切割，相比之下有以下好处：</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt; tab-stops: 10.5pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">⑴</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">对切口不会造成烧伤；不会产生融化；不会造成硬化；不会造成变形；不会出现焊瘤；不会产生有毒气体。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt; tab-stops: 10.5pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">⑵</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"> </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial">不会对工件产生直接的压力；可以高速精确切割；可以切割复杂形状、极小直径和尖角；切缝小、材料损耗少；高质量套切；在材料任何位置都可以下刀；加工简便、快捷。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US">⑶</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: Arial; mso-font-kerning: 1.0pt; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US; mso-fareast-font-family: 宋体"> </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: Arial; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-language: AR-SA; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US">无论是小工件还是大工件，无论是单件还是小批量或大批量，都可以加工。</SPAN>
Re: 水射流技术
<P><FONT style="BACKGROUND-COLOR: #efefef">4月25日至28日在北京中国国际展览中心(海淀区三里河路11号)将举办第十七届中国国际玻璃工业技术展览会.</FONT></P><P><FONT style="BACKGROUND-COLOR: #efefef">会上将有水切割产品现场演示切割过程,欢迎大家前往观看!</FONT></P>