15 Configuration of the Base Structure
15.1 General
MINI-X are high-precision components. Flatness requirements of the base structure are correspondingly high so that surface inaccuracies are not transferred to the guideways.
MINI-X guideways perform best when mounted on a rigid structure with a high level of geometric accuracy. Inaccuracies in the guideway assembly surfaces have a negative impact on their overall accuracy, running behaviour, push force and service life. Unstable assembly surfaces can increase the internal forces within the guideway assembly, which also adversely affects service life. Due to their lower rigidity and limited machining accuracy, great care must be taken when designing base structures made of light metal for high-precision applications.
The guideways are compressed against the mounting surfaces by the attachment screws with a high level of force. To prevent relaxation of the assembly, a high surface contact ratio is required. This is achieved by means of high surface quality.