Re: [CAD_CAM_EDM_DRO] Bridgeport Questions

hi
its good that u r purchasing a cnc mill. but i think it has more verity in
win98 for applications of all type. u have many manufectuerer for driver
board of servo or sttepers in ur country. u can buy one from them with
power supply and motors.

shabbir

At 12:37 PM 8/17/01 +0100, you wrote:

>Thanks to Jon and Mr. Vicars (I didn't see your first name),
>
> I am not any CNC genius, you probably guessed from my questions, so I
>just assumed the mill would run under servos. It must be steppers as I've
>been told by others that the mill will almost certainly not bring more than
>£1000 (~$1500). I have spoken to the guy selling it who says it's in good
>condition but grubby, seeing some of the used things described as 'grubby'
>though makes me want to speak to him a bit more (Grubby read bust). I'll
>call him soon.
>
> I am 16 which means I don't work right now so the summer holidays was my
>oppertunity to get some money for a mill. No matter how many places I called
>no where seemed to want a 16 year old for some reason, I wonder. I really
>want the mill for making turbine discs, compressor blades, parts for a
>lathe, machines guns... I'm only kidding! The biggest problem I can see is
>moving the mill home again. A transit van is one of those things you'll see
>would-be do-it-all'ers with, the ones with sliding doors on the back.
>
> The mill is 45 minutes driving away in Manchester and I can go up to
>have a look the day before I've been told. I wish my sister had left her
>camera here and I could have taken a few pictures. If the mill is using
>steppers are they going to be microstepped or just put through a high belt
>ratio for accuracy? I need it to be atleast as accurate as a Sherline
>because the discs will be spinning real quickly and inaccuracies any bigger
>will just vibrate them to a 100,000rpm violent death. How much is a rorary
>table for a mill like this from Bridgeport? I've never seen them second hand
>so I'd probably have to buy it new. I've seen other brands ranging between
>$250 and $800 minus the stepper. My real concern my lack of everyday
>expirience with running a mill so I don't know how much say, a patch of
>rust, will do to accuracy. I know from reading books on scraping lathe beds
>that small inconsistancies aren't much of a problem if the slide moving over
>them is much larger.
>
> I knew the Bridgeport S1 cnc had the control inside the box but I was a
>little confused about it at first. If the mill is stepper driven, has it's
>drivers and supply, then I just 'remove' the old, I forget it's name,
>controller and add my own surplus 200mhz MMX in it's place. It has 32mb ram
>and 2gb hard drive (Old is the word, it has a 16x cd drive and cost £2500
>new!). The old control will have plugged into the drivers of coarse, do I
>then do the same and terminate one end with a parrellel plug for the
>computer in it's place? I am working on the idea there is some source of
>information on which pins go to which bits. I have Corel Linux but I'm
>hopeless at it right now, I'll have to stick RedHat on for EMC won't I? Or
>will it run under Corel? I mean Corel as in, the idiot GUI level with
>colourful backgrounds.
>
>Thanks for your help again, I aprecitate it.
>
>John
>
>
>Addresses:
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