A guide carriage for use with a guide rail includes a main body and a separate raceway insert. A first carriage raceway that extends parallel to a longitudinal axis is disposed on the raceway insert. The first carriage raceway is assigned a first lateral face, which is disposed on that side of the raceway insert that is opposite the first carriage raceway. The first carriage raceway is assigned a row of rolling bodies capable of being brought into rolling engagement with the first carriage raceway and an assigned first rail raceway on the guide rail. The raceway insert is supported in a force-transmitting manner on the main body by way of the first lateral face. The raceway insert has a sensory layer which in the direction of the longitudinal axis extends across at least 80% of the length of the raceway insert.

A transport system is a vacuum processing system that includes a transport device that is provided in a vacuum, and a lubricating agent supply device that supplies lubricating agent to the transport device and provided in the ambient atmosphere. The transport device has a lubricating agent flow channel that is a channel for grease injected to a site subject to lubrication. The lubricating agent supply device has a grease server that stores a lubricating agent in the ambient atmosphere, a lubricating agent supply pipe which is a channel that guides the grease stored in the grease server to the lubricating agent flow channel and that connects the grease server and the lubricating agent flow channel, and an exhaust pump that exhausts the inside of the lubricating agent supply pipe.

A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.

A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.

Provided is a motion guide device, which includes: a track rail; rolling elements; a moving block, which has an endless circulation path; and a holding belt having pockets, wherein the holding belt has a pair of end portions opposed to each other through intermediation of a free rolling element in the endless circulation path, and wherein a condition of (XY)Z>(B+C)A>0 is satisfied, where: A represents a path length of the endless circulation path; B represents a total length of the holding belt; C represents a diameter of the free rolling element; X represents a diameter of each of the pockets; Y represents a diameter of each of the rolling elements; and Z represents the number of the rolling elements arrayed in the holding belt.

Provided is a motion guide device, which alleviates a tensile force acting on a holding belt when the holding belt circulates in an endless circulation path together with rolling elements, thereby being capable of preventing uneven wear of the holding belt. The motion guide device, includes: a track rail; a large number of rolling elements configured to roll on the track rail; a moving block, which has an endless circulation path for the rolling elements, and is configured to freely move along the track rail; and a holding belt having pockets, which are arrayed at predetermined intervals, and are configured to receive the rolling elements, is incorporated into the endless circulation path, and is configured to move in the endless circulation path together with the rolling elements, wherein the holding belt has a pair of end portions opposed to each other through intermediation of a free rolling element in the endless circulation path, and wherein a condition of (XY)Z>(B+C)A>0 is satisfied, where: A represents a path length of the endless circulation path; B represents a total length of the holding belt; C represents a diameter of the free rolling element; X represents a diameter of each of the pockets; Y represents a diameter of each of the rolling elements; and Z represents the number of the rolling elements arrayed in the holding belt.

A guide carriage for use with a guide rail includes a main body and a separate raceway insert. A first carriage raceway that extends parallel to a longitudinal axis is disposed on the raceway insert. The first carriage raceway is assigned a first lateral face, which is disposed on that side of the raceway insert that is opposite the first carriage raceway. The first carriage raceway is assigned a row of rolling bodies capable of being brought into rolling engagement with the first carriage raceway and an assigned first rail raceway on the guide rail. The raceway insert is supported in a force-transmitting manner on the main body by way of the first lateral face. The raceway insert has a sensory layer which in the direction of the longitudinal axis extends across at least 80% of the length of the raceway insert.

An angular contact ball bearing arrangement has first and second raceway elements having raceways and a plurality of balls therebetween. When viewed in cross section through one of the balls the arrangement is divided into first, second, third and fourth quadrants by an axis of rotation of one of the balls and a perpendicular axis perpendicular to the axis of rotation of the ball. Each ball has two contact points on each raceway that are offset from the perpendicular axis by #10 degrees, and the contacts points are each located in a different quadrant. Also the centre point of the radius curvature of the first raceway on one side of the perpendicular axis and the centre point of the radius of curvature of the first raceway on the other side of the perpendicular axis are in located in different quadrants.

A movement guide device comprises: a support body formed with two roller rolling grooves in each of two side surfaces thereof; a moving body assembled onto the support body to freely move along the support body, and having a load roller rolling groove provided opposite to the roller rolling groove to form a load path together with the roller rolling groove; rollers arranged such that lines forming a contact angle with respect to the roller rolling groove intersect at a position outside the support body; and a roller retaining member arranged between two row of rollers, the moving body comprises a main moving body and cover bodies mounted at two ends of the main moving body; in the movement guide device, the roller retaining member comprises a roller retaining portion, formed in a plate shape extending in a length direction of the support body, and orthogonal to the length direction.

The invention relates to a linear guiding device (1) for a feed axis (2), preferably a machine tool (3), comprising at least the following components: At least one sensor surface (4) of the linear guiding device (1) for linearly guiding a carriage (5) or a spindle nut (6); at least one microsensor (7), preferably at least one strain gage (8, 9, 10, 11, 12) and/or at least one resistance temperature sensor (13, 14), for detecting an expansion and/or compression and/or temperature of at least one sensor surface (4), wherein at least one microsensor (7) is permanently connected to at least one sensor surface (4).

With the present invention, a load on a linear guiding device can be directly measured during the machine's operation.