Yeah I know. Its a pain. Send me your PM then I will send the files to you directly. Just give me a little time to put something decent together for you. I am just busy with a Chinese conversion of a router box. I will look at it tonight.
On 2013/06/22 02:58 PM, Gene Heskett wrote: > On Saturday 22 June 2013 08:44:01 Marius Liebenberg did opine: > >> Its not the exact same picture. Many machines have the exact same frame >> but has it own branding. Other things that might chance is the start / >> stop buttons the color of the machine and other small cosmetics. My >> machine is painted green but believe me, its the same machine. I have >> seen several variations of the exact same thing. Mine is just a whole >> lot older than yours. >> >> I tried the spring idea but I was not happy with the solution. >> >> I made motor boxes for all four axis. All of them with a nema 34 and a >> 4:1 reduction. I also replaced all the screws with ball screw and nut. >> >> I have a yahoo group that I use for students that attended my CNC >> courses. I will place the design files on and maybe some pictures if you >> want. Its really a very simple solution and nothing fancy. I need the >> machine to do some specific aluminium parts for which I believe it is >> good for. I have milled steel with it before but I felt like the machine >> was being stressed so I will stick to softer materials. Well maybe with >> the cnc option can afford to take very small cuts on steel and get good >> results. Time will tell. >> >> The groups is at >> http://tech.groups.yahoo.com/group/cnc_support > I hate to be a killjoy but in order to see the files Marius, one must be a > member of that yahoo group. And you can't join a yahoo group with out > adding another 50 spams to your inbox a day. I get enough get rich quick > and pecker stretching schemes from this or that magic pill vendor as it is. > And huge amounts of it come from yahoo's servers. > >> I will get some files ready and place them there. >> >> On 2013/06/22 01:58 PM, Tomaz T. wrote: >>> You are saying that you are retrofitting same model of this machine? >>> If there is a chance, I would rally appreciate to see design that you >>> have. >>> >>> >>> I agree, I was also considering to mount gearing directly on pinion >>> shaft that drives quill up and down, but I think there should be some >>> decent amount of force applied to quill in one direction (probably >>> downwards) to eliminate backlash as much as possible. >>> >>> I found this thread about retrofitting an old RF mill/drill and he >>> also minimised backlash by reversing spring... >>> http://www.cnczone.com/forums/benchtop_machines/152240-hf_round_colum >>> n_mill_drill_build.html >>> >>>> I am busy with mine at this very moment. What I did to overcome the >>>> quill issues was to remove the hand wheel and spring assembly and fit >>>> a motor with reduction directly to the shaft that turns the quill up >>>> and down. Mine has a very tight fit and no noticable backlash. The >>>> small hand wheel on the other hand was poor. I tried to use the >>>> spring to counter the backlash but it was not a good plan. >>>> I use nema 34 motors on the whole conversion. If you are interested, >>>> I could pass the design files on to you. > Cheers, Gene -- Regards / Groete Marius D. Liebenberg MasterCut cc Cel: +27 82 698 3251 Tel: +27 12 743 6064 Fax: +27 86 551 8029 Skype: marius_d.liebenberg --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 130621-3, 2013/06/22 Tested on: 2013/06/22 03:10:33 PM avast! - copyright (c) 1988-2013 AVAST Software. http://www.avast.com ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
