Technical Report 2 – Vacuum Preloaded X-Y Stage
The conventional practice of stacking linear guide systems to produce x-y platens has inherent errors. The purpose of this paper is to explore the feasibility of using variances in the pressure or vacuum to achieve precise positioning in the z direction.
Technical Report 4 – An Investigation Into Hydrostatic Slide Units
Grinding process optimization traditionally entails adjustments to achieve the highest level of productivity. Machine dynamics have been a limiting factor because they are not readily adjustable. This research demonstrates that machine dynamic characteristics can be adjusted by varying the stiffness of hydrostatic slide units. This would be significant because, through an intelligent adjustment at setup or through an active feedback system, the structural dynamics could be optimized, creating a chatterless grinder (or at least an increase machine productivity).
Technical Report 5 – Vacuum Chamber Stage
This paper covers New Way's work with its Vacuum Chamber Stage concept. Instead of trying to build a stage inside a vacuum chamber, or reaching through a chamber wall, the concept under test provides for the stage itself to become the vacuum chamber. Having the only (or primary) vacuum chamber completely contained inside the moving stage means that all motion systems can exist outside of the vacuum.
Technical Report 6 – Air Bearings for High-Power Turbomachinery
In this technical paper, we will be discussing considerations and solutions for the use of oil-free turbomachinery operation as put forth in Enabling Bearing Technologies for High-Power Oil-Free Turbomachinery, by Bugra Ertas of the Mechanical Systems department at General Electric’s Research Center.
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