what is this 'spare time' that you mention? i'm intrigued.
--- On Sat, 5/12/12, cogoman <cogo...@optimum.net> wrote: > From: cogoman <cogo...@optimum.net> > Subject: Re: [Emc-users] OT-Retrofitting machines > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Date: Saturday, May 12, 2012, 8:36 AM > On 05/12/2012 10:15 AM, k...@gmail.com > wrote: > > There is a bit of talk on some machine shop forums, > arguments perhaps, that > > retrofitting a machine is a waste of time. > > And that it's time and money well spent to just buy a > good used > > machine and move on with making money with it. > > Any comments on this from the list? > It seems like some information for making > a good comment is missing. > This decision, although it can be divided up into lots of > micro-categories, to do it justice needs at least a few > categories. I > suggest these basic ones. > > 1. A machine shop with lots of paying customers, lots > of machining > knowledge, and little electronics knowledge, and no spare > time. > > 2. Someone with time on their hands, and enough > electronic knowledge. > A. a manual machine > that can be bought for a song, and is in > good condition. > B. a CNC machine that > can be bought for a song, and has a > control issue. > C. a CNC machine that > can be bought for a song, and requires > major rebuilding. > > > > From what I've heard, converting a manual > machine to CNC is very > unlikely to be a good decision, although for some it might > work. > > Someone who has lurked in this forum > should know enough parts sources > to make a good decision on parts to replace a control on a > machine > that's in good shape otherwise. > > A CNC machine that's been abused, that has > rusted ball screws and > ways may not be a good choice even if it has a working > control. > > I still use a Bandit control at work > that's limited to 512 program > commands. Even working that is a major limitation for > someone who has > more complicated parts to cut. For what we use it for, > 512 commands is > rarely a limitation at all; but I would suspect the typical > shop would > want to replace at least the computer part. > > For the machine shop that has lots of > expertise in machining, and > little in electronics, a working machine either new or great > used > condition is just the right match. > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's > security and > threat landscape has changed and how IT managers can > respond. Discussions > will include endpoint security, mobile security and the > latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
