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</div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-160414.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=160414&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-160414.html">opjiang</a> </span> </div> <div class="date"><span>发布时间:</span> 2014-9-4 19:32</div> <div class="album_info"> <h3>正文摘要: </h3> <p> 本帖最后由 opjiang 于 2014-9-4 20:12 编辑 出售离轴抛物镜（未镀反射膜），口径140mm，离轴量120+-5mm,焦距600+-5mm,材料K9。有效口径120mm. QQ:34385665</p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_1133011" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-160414.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=160414&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-160414.html" target="_blank" class="xi2">opjiang</a><em id="author_1133011"> 发表于</em> <span class="xg1 xw0">2014-9-24 20:57:20</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1133011"> <i class="pstatus"> 本帖最后由 opjiang 于 2015-6-26 13:53 编辑 </i><br /> <br /> 淘宝<br /> http://shop66327773.taobao.com/<br /> </td></tr></table> </div> <div id="comment_1133011" class="cm"> </div> <div id="post_rate_div_1133011"></div> </div> </dd> </dl> </div> <div id="post_1132370" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-138856.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=138856&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-138856.html" target="_blank" class="xi2">bhutl</a><em id="author_1132370"> 发表于</em> <span class="xg1 xw0">2014-9-16 07:54:08</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1132370"> 不做检测 但是经常看他们调 看多了 也就属于久病成良医<br /> <br /> 其实检测上的问题还有不少，比如如何做到机械尺寸与光学尺寸建立联系。比如光轴与安装面的角度关系，如果用外形轮廓做定位几何关系定在秒级玻璃还好能研磨抛光修自准直仪测几何尺寸，但要是金属反射镜呢客户要求外形要做发黑、喷砂、消光处理，就算用三坐标打，发现错误又怎么修正呢。金属反射镜多为有色金属，不像黑色金属还能刮削、研磨，而且真要这么干费时费力效果可能还不太好。<br /> <br /> 光轴是看不见摸不着，只能用光线来测。光轴的确定更多的是通过外形尺寸来建立，在后续加工中自然形成，最后用实际安装使用效果来评价光轴是否准确，能达到要求光轴OK，反之亦然。</td></tr></table> </div> <div id="comment_1132370" class="cm"> </div> <div id="post_rate_div_1132370"></div> </div> </dd> </dl> </div> <div id="post_1132349" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-160414.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=160414&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-160414.html" target="_blank" class="xi2">opjiang</a><em id="author_1132349"> 发表于</em> <span class="xg1 xw0">2014-9-15 21:17:31</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1132349"> 似乎也没有太好的办法，楼上兄弟也是做这方面的？</td></tr></table> </div> <div id="comment_1132349" class="cm"> </div> <div id="post_rate_div_1132349"></div> </div> </dd> </dl> </div> <div id="post_1132133" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-138856.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=138856&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-138856.html" target="_blank" class="xi2">bhutl</a><em id="author_1132133"> 发表于</em> <span class="xg1 xw0">2014-9-11 21:24:27</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1132133"> 离轴镜检测方法好像都差不多，用一个反射小球在焦点上然后慢慢调。<br /> 但找焦点好麻烦，有什么快点的方法呢。</td></tr></table> </div> <div id="comment_1132133" class="cm"> </div> <div id="post_rate_div_1132133"></div> </div> </dd> </dl> </div> <div id="post_1132066" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-160414.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=160414&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-160414.html" target="_blank" class="xi2">opjiang</a><em id="author_1132066"> 发表于</em> <span class="xg1 xw0">2014-9-10 18:22:08</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1132066"> 是单件手抛的实验件。有效口径120mm比较保险，实际口径应该在130mm。单件手抛边缘塌的厉害，要是用同轴镜子套打加工就容易多了。k9材料一般，就处理了。</td></tr></table> </div> <div id="comment_1132066" class="cm"> </div> <div id="post_rate_div_1132066"></div> </div> </dd> </dl> </div> <div id="post_1132004" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-138856.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=138856&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-138856.html" target="_blank" class="xi2">bhutl</a><em id="author_1132004"> 发表于</em> <span class="xg1 xw0">2014-9-9 21:15:22</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1132004"> 手抛的？9月2日星期二的报告？有效口径缩掉了85%优点多啊，总体来说手艺不错</td></tr></table> </div> <div id="comment_1132004" class="cm"> </div> <div id="post_rate_div_1132004"></div> </div> </dd> </dl> </div> </div> </div> </div> <script type="text/javascript"> new lazyload(); </script> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" class="area"></div><!--[/diy]--> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" target="_blank" title="QQ"><img src="static/image/common/site_qq.jpg" alt="QQ" /></a><span class="pipe">|</span><a href="http://m.oecr.com" >手机版</a><span class="pipe">|</span><a href="http://so.oecr.com" title="站内搜索" target="_blank" >搜索</a><span class="pipe">|</span><a href="http://www.focaloptics.com" title="主办单位：武汉焦点光学技术有限公司" target="_blank" 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