Re: [CAD_CAM_EDM_DRO] 14x40 lathe conversion
Posted by
Terry Owens
on 2007-02-01 17:51:21 UTC
Hi,
Why do you need a ballscrew on the Z axis when the convention is always to cut towards the chuck? I have a Harrison 280 CNC, which was manufactured without ballscrews at a price at the time which would buy two houses in my area.
I must say I would like a ballscrew on the cross-slide, as it is much more difficult to creatively program to take up the backlash on this axis.
Regards,
Terry
Can't help it. I have the bug.
Now that my BP is closing in on
completion I am thinking about
gathering what I need to do my lathe.
It is a Grizzly 14x40.
My question is mounting the ballscrews.
I guess I can machine a block to hold
the ballnut on the carriage- behind the
carriage apron- where the ACME threading
screw is. Then mount the ballscrew's
right end in a block with a pair of angular
contact bearings holding it in place.
Now is it just best to let the left end
of the ballscrew just float?
The legnth of ballscrew I need is over 50".
What diameter is appropriate?
Anyone have any pictures of a conversion of a
lathe like this?
Thanks,
Scott
[Non-text portions of this message have been removed]
Why do you need a ballscrew on the Z axis when the convention is always to cut towards the chuck? I have a Harrison 280 CNC, which was manufactured without ballscrews at a price at the time which would buy two houses in my area.
I must say I would like a ballscrew on the cross-slide, as it is much more difficult to creatively program to take up the backlash on this axis.
Regards,
Terry
Can't help it. I have the bug.
Now that my BP is closing in on
completion I am thinking about
gathering what I need to do my lathe.
It is a Grizzly 14x40.
My question is mounting the ballscrews.
I guess I can machine a block to hold
the ballnut on the carriage- behind the
carriage apron- where the ACME threading
screw is. Then mount the ballscrew's
right end in a block with a pair of angular
contact bearings holding it in place.
Now is it just best to let the left end
of the ballscrew just float?
The legnth of ballscrew I need is over 50".
What diameter is appropriate?
Anyone have any pictures of a conversion of a
lathe like this?
Thanks,
Scott
[Non-text portions of this message have been removed]
Discussion Thread
Polaraligned
2007-02-01 16:28:35 UTC
14x40 lathe conversion
Terry Owens
2007-02-01 17:51:21 UTC
Re: [CAD_CAM_EDM_DRO] 14x40 lathe conversion
Polaraligned
2007-02-02 04:45:46 UTC
Re: 14x40 lathe conversion- Carriage drive help?
Dan Mauch
2007-02-02 06:42:32 UTC
Re: [CAD_CAM_EDM_DRO] 14x40 lathe conversion
Terry Owens
2007-02-02 07:01:35 UTC
Re: [CAD_CAM_EDM_DRO] Re: 14x40 lathe conversion- Carriage drive help?
smitty
2007-02-02 08:22:57 UTC
Re: [CAD_CAM_EDM_DRO] 14x40 lathe conversion
dspinnett
2008-02-05 16:24:15 UTC
Re: 14x40 lathe conversion