磨头、头架、尾座位置精度对加工精度的影响
<p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-indent:24.1pt;text-align:left;mso-pagination:widow-orphan;mso-char-indent-count:2.0\"><b><span style=\"font-size:10pt;color:#3366ff;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">磨头、头架、尾座位置精度对加工精度的影响</span></b></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-indent:24pt;text-align:left;mso-pagination:widow-orphan;mso-char-indent-count:2.0\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><font face=\"Times New Roman\"></font></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">磨头、头架、尾座位置精度对加工精度的影响如下：</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-indent:24pt;text-align:left;mso-pagination:widow-orphan;mso-char-indent-count:2.0\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><font face=\"Times New Roman\"></font></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">（</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">1</font></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">）磨头、头架、尾座的等高度对工件尺寸精度的影响。</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-indent:24pt;text-align:left;mso-pagination:widow-orphan;mso-char-indent-count:2.0\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><font face=\"Times New Roman\"></font></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">磨头、头架、尾座的等高度误差将使头架、尾座中心连线与砂轮主轴轴线在空间发生偏移，此时，磨出的工件表面将是一个双曲面。</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-align:left;mso-pagination:widow-orphan\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><span style=\"mso-spacerun:yes\"><font face=\"Times New Roman\"> </font></span></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">（</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">2</font></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">）头架、尾座中心连线对磨头主轴轴线在水平面内的平行度误差对工件尺寸精度的影响。</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-align:left;mso-pagination:widow-orphan\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><span style=\"mso-spacerun:yes\"><font face=\"Times New Roman\"> </font></span></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">当发生该项误差时，磨出的工件外形将是一个锥体，即砂轮成角度磨削，表面有螺旋形磨纹。</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-align:left;mso-pagination:widow-orphan\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><span style=\"mso-spacerun:yes\"><font face=\"Times New Roman\"> </font></span></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">（</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">3</font></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">）磨头移动相对于床身导轨垂直度误差对加工精度的影响。</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-align:left;mso-pagination:widow-orphan\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><span style=\"mso-spacerun:yes\"><font face=\"Times New Roman\"> </font></span></span><span style=\"font-size:10pt;font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\';mso-font-kerning:0pt;mso-bidi-font-family:宋体\">这项误差的最终结果是使主轴轴线与头架、尾座中心连线发生偏移，在磨轴肩端面时，将造成轴肩端面与工件轴线的垂直度误差。磨外圆时，将影响表面粗糙度，产生螺旋形磨纹。</span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p><p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-align:left;mso-pagination:widow-orphan\"><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\"></font></span><span lang=\"EN-US\" style=\"font-size:10pt;font-family:宋体;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><p></p></span></p>
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