On Sun, 17 Feb 2013 20:23:40 -0600, you wrote:
>If the rebuilder uses two different sizes then the smaller ones
>alternate with the larger, that way the smaller counter rotate to keep
>down friction. The load capacity decreases. Any other ratio defeats the
>purpose.
Your right - I asked today
; Enhanced Machine Controller (EMC)
Sent: Sunday, February 17, 2013 6:23 PM
Subject: Re: [Emc-users] Oversized balls
Steve Blackmore wrote:
> On Sat, 16 Feb 2013 13:34:52 +, you wrote:
>
>
>> Has anyone tried reducing the backlash in a ballnut by fitting oversized
>> bal
Steve Blackmore wrote:
> On Sat, 16 Feb 2013 13:34:52 +, you wrote:
>
>
>> Has anyone tried reducing the backlash in a ballnut by fitting oversized
>> balls?
>> If so, how did it turn out?
>>
>
> Andy - commercially they don't replace every ball with oversize ones.
>
Some do, some d
On Sat, 16 Feb 2013 13:34:52 +, you wrote:
>Has anyone tried reducing the backlash in a ballnut by fitting oversized balls?
>If so, how did it turn out?
Andy - commercially they don't replace every ball with oversize ones.
They replace every "n" th ball with a slightly oversize one. It's a bi
On 17 Feb 2013, at 00:47, ed wrote:
> Is this a single nut? Some are doubles with shims between to set lash,
> they of course cost more.
Yes, single nut. Some sort of double nut would have been nice, but it would
cost me too much travel on that axis.
Andy Pugh wrote:
> On 16 Feb 2013, at 14:58, ed wrote:
>
>
>> Do you have backlash the full length or is the screw worn in the middle?
>> Most can be reballed to reduce the slop but you must be careful that the
>> OD of the ball does not bear, you want contact on the quadrants. How
>> much
On 16 Feb 2013, at 14:58, ed wrote:
> Do you have backlash the full length or is the screw worn in the middle?
> Most can be reballed to reduce the slop but you must be careful that the
> OD of the ball does not bear, you want contact on the quadrants. How
> much backlash do you have now?
andy pugh wrote:
> Has anyone tried reducing the backlash in a ballnut by fitting oversized
> balls?
> If so, how did it turn out?
>
>
Do you have backlash the full length or is the screw worn in the middle?
Most can be reballed to reduce the slop but you must be careful that the
OD of the ba