HEATS 发表于 2010-9-14 08:28:51

数控火焰切割技术在金属制造业中的应用

<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">&nbsp;</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">随着-金属</A>制造业的不断发展,数控火焰切割技术已被广泛应用于铆焊件的制作过程。为了缩短同行业之间的差距,提高铆焊件的整体质量,数控火焰切割技术应用迫在眉睫。此项技术的应用,具体体现在数控火焰切割机上,不仅可以提高铆焊件的整体质量,还可以大大降低工人的劳动强度,为各种备品、备件的制作节省了时间。数控火焰切割技术具有切割精度较高、外观质量好、节省燃料、整体下料布局合理、自动化程度高等特点。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">数控切割技术应用于数控切割机上,数控-切割机</A>的整个动作过程即为数控切割技术的具体体现。以</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">Win2dows95/98/NT/2000/Me/XP</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">等作为操作平台,主要利用</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">AutoCAD</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">进行绘图,</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">InteGNPSv16.16OEMHoneybee</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">作为编程软件,通用排样系统</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">v2.0</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">进行下料布局。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">切割前的准备工作主要包括制图、排版、编程、铺设钢板、辅助工作等。接到下料图样后,进行认真审核,根据图样特点,利用</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">AutoCAD</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">制图软件进行绘图,利用电脑绘图可以提高精度,避免了因人工手动绘图造成的尺寸偏差。根据绘制的单个图样和现有板材形态,利用通用排样系统</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">v2.0</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">软件进行排版,利用此软件排样避免了材料的浪费,提高了材料的利用率。根据排版后的图样,利用</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">InteGNPSv16.16OEMHon2eybee</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">软件进行数控编程,对可以借线的图样进行边界处理,这样既节省了原燃料,又提高了工作效率。将下料板铺设到数控气割机板架上,要求钢板边缘与数控切割机轨道基本保持平行,误差在</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">0</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">~</SPAN><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="4" UnitName="mm"><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">4mm</FONT></SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">,这样有利于切割找正,提高切割速度、材料利用率和切割质量。辅助工作主要是将管路用氧气减压器和乙炔减压器打开,调整氧气压力为</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">≤0.5MPa</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">,丙烯压力为</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman">≤0.05MPa</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">,压力调整完毕后,打开二次减压阀,将割嘴调整到与板面垂直。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><FONT face="Times New Roman"> <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; COLOR: #505050; FONT-SIZE: 9.5pt; mso-ascii-font-family: ˎ̥; mso-hansi-font-family: ˎ̥">其它工作完毕以后,点火进行切割。切割过程中易出现断割现象,出现断割现象主要是钢板锈蚀严重或受外力干扰所致,这时,调整割嘴到断割点,重新进行起割。</SPAN><SPAN style="FONT-FAMILY: ˎ̥; COLOR: #505050; FONT-SIZE: 9.5pt" lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
               
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