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'链接已经复制到剪贴板');" type="submit"> <em>复制链接推荐给好友</em></button> <input type="text" class="px vm" onclick="this.select();setCopy(this.value, '链接已经复制到剪贴板');" value="http://group.oecr.com/plugin.php?id=attachcenter:page&aid=7599" size="50" /></p> </div> <div class="bm"> <div class="bm_c xld"> <b>请教环抛机抛光模的制作:</b><div class="postmsg">工厂买了直径600的环抛机，加工矩型60*200的零件，光圈0.2，不规则0.1，3级光洁度。室温19度，用柏油，绝缘纸抛了1个月，仍没有合格产品；听说有的厂环抛光模层是加了朔料粒，很薄，很硬，明年工厂要买了直径1.2米的环抛机，加工矩型100*350的零件，请高手指点用什麽做抛光模？先谢谢了。</div> <div class="postmsg">用柏油旧挺好，不过好象环抛机偏小，漫漫来，不要急，本来矩型零件就不如圆形好加工</div> <div class="postmsg">抛光模或者说抛光垫有很多种，应该根据被加工工件的材料来选择吧？</div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" /> 0cm 0cm 0pt; mso-layout-grid-align: none">加工的是物方反射镜，用的是K9玻璃，厚25毫米。一面抛光镀铝，另一面是毛面，为减重两头圆形，并倒45度角。抛的光圈不是S型，就是马鞍形。在盘上看还可以，下盘就变，300的窗口更不好；是不是柏油层15mm厚了呢。看了成都精密光学工程研究中心刘民才的《大口径高精度方形平面光学元部件的研制》一文很受启发，文中说“在原理上，环行抛光运转特性与传统盘相同。任何两个工件表面如能在任一部分任一方向上向彼此都能均匀接触，其表面形状必定是球面，其曲率可以是正、负或零。当校正盘沿着径向向外移动时，转动力矩增大，使沥青胶盘变凸；当校正盘沿着径向向内移动时，转动力矩减小，使沥青胶盘变凹。假设一个工件以角速度ω旋转,以Ω旋转的磨盘中心到工件旋转中心距离为R，距工件旋转中心距离为r，并相对磨盘中心和工件中心连线的角度为θ.磨盘的相对速度为<p></p></P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" /> 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><v:shapetype><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path connecttype="rect" gradientshapeok="t" extrusionok="f"></v:path><lock aspectratio="t" v:ext="edit"></lock></v:shapetype><v:shape><v:imagedata></v:imagedata></v:shape> (1) <p></p></P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" /> 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left>当Ω等于ω时，磨盘与工件之间的速度关系在任意位置都是一个常数。由于在环抛加工时加工件及校正盘处于自由状态压力均匀，从而使整个表面均匀磨削；当Ω不等于ω时时，会产生一个径向的磨损变化，使表面的磨削不均匀。”我对‘磨盘中心到工件旋转中心距离为R，距工件旋转中心距离为r’句感到困惑，R r 中应当有一个是校正盘中心吧。谁能画个图说说。或说说经验。<p></p></P></div> <div class="postmsg"> <br /> <img src="data/attachment/forum/dvbbs/2005-11/200511292041939701.bmp" onload="javascript:if(this.width>600)this.width=600;"><br /> <div align="right"><font color="#000066">[此贴子已经被作者于2005-11-29 20:04:39编辑过]</font></div><br /> </div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>原理上的东西比较简单，主要给分析问题用的，实际加工还是有很大差距，</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>200窗口干吗要上盘，用1M环抛加工大光圈0.2，不规则0.1可以说很困难，吹牛的不算，</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>300的窗口难度也更大，多摸摸就会有门道的</P></div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>我这也有环抛机 但是也用不好 现在抛圆的都有问题 别说是方的了 </P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>我抛的塌边 不知道各位大侠有什么高见吗？</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>有人用聚氨酯的模子的吗？这种模子怎样修改面型呀？</P></div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>环抛机加工还是有很多门道的 </P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>加工方形或者矩形的元件困难更大</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>：（</P></div> <div class="postmsg">先谈几点看法1)直径600的环抛机-----我的经验最好使用直径1.2米以上的环抛机<br /> 2)加工矩型60*200的零件，光圈0.2，不规则0.1，3级光洁度 ------- 抛光时把三块组成一块来抛<br /> 3)室温19度，用柏油----- 恒温很重要(室温,氧化铈水温),使用硬度高的柏油(调整硬柏油/软柏油比例)</div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>九楼说的对,抛直径200*60的是应当用1.2米的环抛机。工厂因急用，设计指标下降，反射镜都转镀膜了。300窗口的外协，在干涉仪上按130口经检，局部光圈放宽到0.6，年底好了18块，是一个老工人用二轴机干的，挺厉害。我去一个厂看有三台1.2米的环抛机，还有更大的，管理者说现在人不行，干不出好活。我问一个退休的老工人，抛光胶里放的是聚氯乙烯吗？什么比例？是粒还是沫？那人就是不说。中国这麽大，能人这麽多，这点工艺秘密值得保守吗。</P></div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>仅仅调整硬柏油/软柏油比例(光学用柏油有各种软硬品种)</P><br /> <br /> </div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>我门这边做的是300×600的玻璃，用的是2.4米的环抛机，现在可以做到pv1/6波长。我门用600mm的zygo干涉仪检验的。其时做环抛是一门技术活，涉及的方面很多。你现在碰到的问题很常见的。我们遇到的主要的也是塌边的问题，这个问题一方面与机床本身有关，令方面可以通过技术人员的操作改进一些，但是现在还没有办法消除。如果有兴趣可以互相的交流。我的油箱是：<a href="mailto:weihua815@hotmail.com" target="_blank" >weihua815@hotmail.com</A>。qq是32695705。</P></div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>600mm的zygo干涉仪肯定很贵吧!我干了快10年还没有看到过!</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>塌边的问题我的经验是:如果你能可以做到pv1/6波长(300×600MM×?)</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>我的理解(1)环抛的90%面形基本没有问题(2)工件自公转(自转直径670mm)有余量(2.4米的环抛机)</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />> (3)注意4点柏油硬度;工件的自重;环抛内外圈边缘的面形;抛光时间</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>我的不明白地方:怎样用600mm的zygo干涉仪测量工件的面形</P></div> <div class="postmsg"><br /> <br /> 这是手机拍的 需要MP4播放器<br /> <div align="right"><font color="#000066">[此贴子已经被作者于2006-2-18 23:02:29编辑过]</font></div><br /> </div> <div class="postmsg">这个反射镜我们做过啊，都没问题的</div> <div class="postmsg">11楼的贵客,您做的是这个吗? K9玻璃 矩型60*200*25 为减重两头圆形，厚度方向倒45度斜面 ,要求光圈0.2，不规则0.1，3级光洁度。</div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>请问有没有环抛机的资料，处于认识起步阶段，需要设计它的工装，作毕业设计的</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />>有没有哪位前辈帮忙，发个照片或者资料给我，谢谢为盼！</P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />><a href="mailto:zhuzi2659@163.com" target="_blank" >zhuzi2659@163.com</A> </P></div> <div class="postmsg"><<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />><STRONG><FONT face=Verdana color=#000000>ds1234567: 我不明白您的问题!</FONT></STRONG></P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />><STRONG><FONT face=Verdana><FONT color=#000000>我的联系方法 </FONT><a href="mailto:danny_zhang@online.sh.cn" target="_blank" ><FONT color=#000000>danny_zhang@online.sh.cn</FONT></A></FONT></STRONG></P><br /> <<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />><STRONG><FONT face=Verdana></FONT></STRONG> </P></div> <div class="postmsg"><p><strong><font face="Verdana" color="#da2549">weihua815你好：</font></strong></p><p><font face="Verdana" color="#000000">请教用<strong>zygo</strong>测面形时，需要去掉零件边缘的影响，用Mask data屏蔽掉，比如检100平晶有效口径96毫米，在Mask data中选circle 但是如何使直径为96呢？ 复选框 x pos: pix</font></p><p><font face="Verdana"> y pos: pix</font></p><p><font face="Verdana">厂商说像素值，如何变成以毫米为单位，谢谢。</font></p><p><font face="Verdana"></font></p></div> <div class="postmsg">我这也有环抛机 但是也用不好 现在抛圆的都有问题 别说是方</div> <div class="postmsg">呵呵,以为自己很孤独,原来有这么多志同道合的人,有机会多聊聊:mincailiu@163.com</div> <div class="postmsg">如果是Wyko的干涉仪，你就可以直接按百分比选，Zygo的就需要算每个像素对应的尺寸，然后取像素的数量。</div> <div class="postmsg">我公司是做光学冷加工设备的企业，主要产品有环抛机＼切割机＼滚圆机＼研磨抛光机等，有需要环抛机可以找我啊．我的联系方式是13913915015，联系人：丁经理<br /> <br /> [<i> 本帖最后由 enjoy2139 于 2008-6-23 09:20 编辑 </i>]</div> <div class="postmsg"><img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /> <img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /> <img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /> <img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /> <img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /> <img src="static/image/smiley/default/em17.gif" smilieid="46" border="0" alt="" /></div> <div class="postmsg">最近我去一厂家实地看了环抛机的工作情况，咨询了抛光层是什么做的，该厂是抛光柏油加聚乙烯树脂粉。</div> <div class="postmsg">我现在还在迷茫呢我现在还在迷茫呢我现在还在迷茫呢我现在还在迷茫呢</div> <div class="postmsg">hello<br /> 需几点要明确，一聚氨酯的硬度、粒度、颜色、厚度；二有dresser（修正盘）吗<br /> 此类抛光，0.2/0.2是较难，还是可以做到！<br /> 聚氨酯的特色就是塌边、工艺还需改进，这是重点！</div> <div class="postmsg"><strong>回复 <a href="http://group.oecr.com/forum.php?mod=redirect&goto=findpost&pid=333460&ptid=40955" target="_blank"><font color="Olive">ds1234567</font> 的帖子</a></strong><br /> <br /> 终检时，都是检有效口径，如是ZYGO，应CA/DIA（96/100）---这是要放的数据！用聚氨酯抛光，边都会有局部问题，一定要修好抛光盘，要有合模（Dresser），环抛机我不熟悉，高抛很熟悉！机器的设计理论都一样，应不是机器的问题！</div> <div class="postmsg">直接用 聚氨酯抛光皮不就好了 563502133</div> <div class="postmsg">200*60貌似不难吧，还那么厚，就用600的环抛就好了，主要是柏油的软硬要控制好，速度慢点，不用上盘，用个套圈抛</div> <div class="postmsg">我这里也是塌边问题很严重，一盘玻璃抛了3天，还是塌边，不知道怎么解决</div> <div class="postmsg">环抛机的多数理论,都是用沥青不用说了,修改聚抛光!聚氨酯也可以!标准是:表面要求(粗糙度),聚氨酯可以做0.2(0.1),沥青就氨酯的合模十年丸片的!还有一点环抛机的形式有很多版本!!不知大家讲的是哪一种.<br /> 另外,又看到有朋友发了一些感慨!我是这样认为的,我是娥以接受,很多外国公司也是技术保密的,即使是同一公司,也要分在你哪一国家,什么人!!!(大家不知道吧！这就是现实）另外，有很多公司（包括外企）关于沥青的配比上，是有保留的，外国公司的内部员工也是如此，说有的pitch的配方都是老工人经验积累！不讲可以理解！！我大致讲一下，也需要社区的朋友互通有无！沥青、松香、蜂蜡、木粉、滑石粉、树脂！具体配方要根据lens、pisem、大小、材质来配比！多数时沥青50%--85%<br /> 具体情况，还需具体分析和试验！<br /> email：<a href="mailto:mingsee1573@sina.com">mingsee1573@sina.com</a><br /> qq:360204716</div> <img src="data/attachment/forum/dvbbs/2005-11/200511292041939701.bmp" alt="请教环抛机抛光模的制作: 1qr7Kb4X.bmp" title="请教环抛机抛光模的制作: 1qr7Kb4X.bmp" 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