研磨者 发表于 2008-5-17 14:00:12

外圆磨削工件表面有直波纹(多角形)解决办法

<p class=\"MsoNormal\" align=\"left\" style=\"margin:0cm 0cm 0pt;text-align:left;mso-pagination:widow-orphan\"><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\">外圆磨削工件表面有直波纹(多角形)解决</span></b><font face=\"Times New Roman\"><b><span lang=\"EN-US\" style=\"font-size:10pt;color:#3366ff;mso-font-kerning:0pt\">办法</span></b></font><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></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;mso-bidi-font-family:宋体\"></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\">外圆磨削工件表面有直波纹</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><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\">多角形</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><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\">主要是磨头对于工件一顶尖系统相对的周期性振动引起的,应从如下几个方面加以解决:</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 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\">)在磨削前让轴承空运转达到工作温度,调整主轴与轴承间隙至</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">0.005~0.008mm</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\">、,防止砂轮不平衡产生的振动振幅增大。</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 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\">)砂轮法兰盘锥孔与砂轮主轴锥端涂色对研检查,接触面积应达</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">85</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\">%以上,否则可用刮刀修刮锥孔至要求,防止磨削时砂轮的跳动。</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\">)若砂轮平衡不好,砂轮对工件振幅增大时,砂轮则需经过精细的静平衡处理。</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\">4</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\">)砂轮架电动机振动,则应更换电动机的滚动轴承(</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt;mso-bidi-font-family:宋体\"><a href=\"http://www.hj9411.com/\"><span lang=\"EN-US\" style=\"font-family:宋体;mso-ascii-font-family:\'times new roman\';mso-hansi-font-family:\'times new roman\'\"><span lang=\"EN-US\">轴承</span></span></a></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\">精度在</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">E</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\">级以上)。</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\">5</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\">)磨头电动机</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">V</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\">带太松,长短不一产生振动时,应把带轮装在电动机的轴上,放在动平衡机上进行动平衡或就在电动机上进行整机电气动平衡。不平衡引起的振幅应≤</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">0</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\">003mm</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\">。电动机与机床之间应用橡皮、木板或海绵隔振。</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">V</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\">带应选择长短一致,厚薄均匀,拉力适当,以减少由于</span><span lang=\"EN-US\" style=\"font-size:10pt;mso-font-kerning:0pt\"><font face=\"Times New Roman\">V</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\">带而引起的振动。</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\">6</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\">)根据工件材料合理选择砂轮,防止砂轮对工件相对的周期性振动增大。</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\">7</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\">)工件中心孔与顶尖接触不良时,应重新钻研工件中心孔,用涂色法检查两顶尖与工件中心孔接触是否良好。安装工件时要擦净顶尖和中心孔,然后注人洁净的润滑脂。</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;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\">8</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\">)调整顶尖紧松,可用手转动工件,不能有忽快、忽慢的现象,并检查尾座套筒的配合间隙。</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\">9</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\">)合理选用工件转速,一般用较低的工件转速对减少多角形密度是有利的。</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\">10</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\">)横向进给时要注意进给量的控制,尤其是最后一次,进给量宜极小,以便维持适当的磨削力而达到所要求的表面粗糙度和精度。</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>

rongjian 发表于 2011-4-17 22:24:30

学习了,我厂的磨床正好有这个问题,明天都检查一下

妙修岩 发表于 2011-5-20 18:21:46

全面长眼拉

实习生 发表于 2011-5-28 09:49:16

太有用了,谢了

Amwp 发表于 2011-5-30 23:39:50

我厂的震纹老多,换了皮带也没用,烦啊!

阳光磨床 发表于 2011-5-31 00:19:57

楼主说的太对了,

kmhaoxin 发表于 2011-6-1 20:12:17

说的是横纹吧,重点就是振纹

困惑 发表于 2011-6-15 22:52:01

太有用了!谢谢!

lengzhong 发表于 2011-7-13 11:07:38

你好!你厂的磨床震纹现在消出了没?如果没有震纹。请教一下:用什么技术方法做到的?能交流一下经验不,我厂的上机1米外磨也是这样的。我的电话13613032121 谢谢!

sgibmgf 发表于 2011-7-14 10:33:26

无心外圆磨磨出来的工件两头有轴向的波纹(尺寸小了),导轮垂直角只摆了1度,是怎么回事,是导板问题还是导轮垂直角太小问题?,请管理员帮我分析一下

shy012 发表于 2011-7-14 12:40:40

挺好,有用留着

zydoplin 发表于 2011-7-19 13:42:53

我厂的磨床正好有这个问题,明天都检查一下
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