经济数控车的顶级巨著，有兴趣的来看看。

最近我才见识了一下经济数控车车平面二次包络锅杆的加工，可以真正堪称经济数控车的顶级巨著，不是一般的数控从业者都能加工的，更不谈及其加工程序的编制，听业内界传说，这种二包锅杆就连全国数控车大赛的评委也不能有自信，为此特发到社区来让大家见识一下，探讨一下加工难度系数。$("flv_EE6").innerHTML=(mobileplayer() ? "" : AC_FL_RunContent("width", "500", "height", "375", "allowNetworking", "internal", "allowScriptAccess", "never", "src", "https://player.youku.com/player.php/sid/XMjM3MjMxMzMy.html/v.swf", "quality", "high", "bgcolor", "#ffffff", "wmode", "transparent", "allowfullscreen", "true"));$("flv_qcw").innerHTML=(mobileplayer() ? "" : AC_FL_RunContent("width", "500", "height", "375", "allowNetworking", "internal", "allowScriptAccess", "never", "src", "https://player.youku.com/player.php/sid/XMjY2ODI1NTg0.html/v.swf", "quality", "high", "bgcolor", "#ffffff", "wmode", "transparent", "allowfullscreen", "true"));