How are molds for plastic reflectors machined? They have a large number of sharp edged corner cubes.
Could be done with EDM, but how would the EDM electrode be machined? All those small facets have to be polished for the reflector to reflect light. Plastic reflectors have been made like this as far back as 1952. Before that there were ones with larger corner cube patterns molded in glass. ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
