Patent ID: 6110010
Filing Date: 2000-08-29
Classification: B23Q,B24B

Abstract:
A carriage drive and mounting for a carriage and slideway, wherein said carriage is carried by said slideway for movement along said slideway between a first slideway location and a second slideway location and various slideway locations therebetween, comprising:(a) linear motor drive means including a primary drive means and a secondary drive means one of which is carried by said carriage and the other of which is carried by said slideway;(b) said carriage including a first hydrostatic bearing surface and said slideway including a second hydrostatic bearing surface;(c) hydrostatic fluid means providing hydrostatic fluid for said first hydrostatic bearing surface and said second hydrostatic bearing surface;(d) said first hydrostatic bearing surface and said second hydrostatic bearing surface and said hydrostatic fluid means coacting to provide a hydrostatic bearing means between said carriage and said slideway to facilitate movement of said carriage; and(e) said primary drive means and said secondary drive means of said linear motor drive means coacting to provide a predetermined attractive force of predetermined magnitude and predetermined direction and which facilitates functioning of said hydrostatic bearing means.