Re: Linear Slide Components

--- In CAD_CAM_EDM_DRO@y..., JanRwl@A... wrote:

> In a message dated 17-Apr-02 06:49:13 Central Daylight Time,
> johncrad@x... writes:
>
>
> > Can someone
> > enlighten me as to the engineering principle that establishes

that round

> > ways and linear bearings or THK type rails are superior to
> > Bishop-Wisecarver
> > V-Wheels and tracks given the same level of accuracy and

tolerance in their

> > manufacture.
>
>
> John: In MY engineering-experience, PRICE is a definite parameter

often

> outweighing fabrication and dimensional details! I have used BW "V-

wheels"

> on two plotters I have built, and spent enough money on either

machine just

> for the BW stuff to have paid for all the lead-screws, steppers,
> stepper-drivers! Thomson is fine stuff. If ability to take

loading is a

> factor, the THK stuff, or HIWIN may-well be markedly superior! MHO.
>
> Jan Rowland, Yank Troll
>
>

You can also try Igus as an alternative supplier for bearings. It's a
german company but they have sales reprs. and distributors world
wide. They offer interesting solutions for many problems, and you
will find a few answers to you questions in the products
documentation. They also have an online expert system for bearings
caculations.
www.igus.de
Another good supplier is SKF.

Best regards,
Workaholic_ro