Do you have any advice for people relative to buying or using linear guides and rails?
Cheap doesn't always mean bad. There are some good quality cheap linear products available. When in doubt ask an expert for advice specific to your application or requirements.
~Michael G, Linear Motion Design Technician, Perth, Western Australia
The block that looks big enough is way too big. Buy it anyway, oversizing this stuff normally does not hurt and the few extra dollars spent will be worth it in extended life.
~Marketing/Sales, Reading, PA
Do not buy higher precision than the need ask for, but carefully consider the purpose, loads and expected lifetime.
~Bjarke M, Research & Development, 3450 Allerød Denmakr, Denmark
Make them as easy to service as possible.
~Tom, Tool & Die Maker, Chatham, Canada
To read carefully about it.
~FAWAZ AGIZAH, Quality Control, CAIRO, EGYPT