A linear motion guide bearing 1 includes a rail 10, a slider 20, and a plurality of rolling elements. The slider 20 has formed therein a pair of circulation passages, which are spaces connecting one end and another end in each of a pair of load-carrying races, which are spaces between a pair of first rolling surfaces 41 and a pair of second rolling surfaces 42. In a cross section perpendicular to the longitudinal direction, the rail 10 includes a bottom wall portion 11, a first side wall portion 12, a second side wall portion 13, and a top wall portion 14. One first rolling surface 41 is made up of a wall surface 15A on an inner side of a first corner portion 15, which is a region where the second side wall portion 13 and the bottom wall portion 11 are connected. The other first rolling surface 41 is made up of a wall surface 16A on an inner side of a second corner portion 16, which is a region where the first side wall portion 12 and the top wall portion 14 are connected.

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.

There are provided: a linear motion guide device, which enhances workability of raceway surfaces and is capable of reducing production cost; and a production method for the linear motion guide device. For this purpose, a linear motion guide device includes a guide rail (1), a slider (2), and a plurality of rolling elements (4), and the guide rail (1) and the slider (2) individually have raceway surfaces (11, 21), which form a rolling path (3) of the rolling elements (4), at positions opposite to each other. Then, the rolling elements (4) are disposed in the rolling path (3), and the slider (2) moves with respect to the guide rail (1) via the rolling elements (4). The raceway surface (21) of at least one of the slider (2) and the guide rail (1) is composed of: a first raceway surface (21A); and second raceway surfaces (21B) extending on both sides of the first raceway surface (21), and surface roughness of the second raceway surfaces (21B) is set rougher than surface roughness of the first raceway surface (21A).

A motion guide apparatus which can prevent the motion guide apparatus from rattling when being used in an environment where an excessive moment works thereon. A crowning is formed at an end of a loaded rolling element rolling surface of a movable member, and a chamfer is formed at an end of the crowning. Let a total length of the crowning and the chamfer in a length direction of the loaded rolling element rolling surface be L. Let the diameter of a ball be Da. L/Da>4 is set. A maximum depth D of the chamfer is set to equal to or greater than the elastic deformation amount of a rolling element rolling surface of a track member, the loaded rolling element rolling surface of the movable member, and the rolling element under a radial load equal to or greater than 60% of the basic dynamic load rating.

There is disclosed a guide carriage for roller-mounted guiding on a guide rail having at least one carriage roller track on which roller members which can be arranged between guide carriages and a guide rail can be rolled, wherein the carriage roller track, in particular in order to establish a load acting on the guide carriage or wear, is associated with a pressure-sensitive sensor device which can be loaded by the roller members and which has sensors which are arranged in a manner distributed in the rolling direction and which in order to evaluate the sensor signals thereof can be connected in terms of signaling to an evaluation device. There are further disclosed a route guide having such a guide carriage and a method for establishing the load on the guide carriage.

The method for manufacturing a linear motion guide device includes a step of forming a long member (8) having a pair of side wall parts (51) and a bottom wall part (52), a step of attaching a track body (4) to the pair of side wall parts (51) of the long member (8), and a step of cutting away a base member (5) to which the track body (4) is attached by cutting the long member (8) together with the track body (4) into a desired length.

The present invention relates to a linear motion guide unit manufactured at low cost by forming at least a slider from a single metal plate, and reduced in sliding resistance of rolling elements as well as a method of manufacturing the same. The linear motion guide unit includes a guide rail, and the slider formed from a single metal plate. The guide rail has a bottom part, and a pair of longitudinal side parts standing from opposite sides of the bottom part, extending longitudinally in a mutually facing manner, and having respective raceway grooves in which the rolling elements roll. The slider includes an upper part, a pair of mutually facing sleeve parts extending downward from opposite sides of the upper part and having respective raceway grooves and return passages, and end cap parts formed respectively at opposite ends of the upper part and having turnaround grooves.

A motion guide apparatus which can prevent the motion guide apparatus from rattling when being used in an environment Where an excessive moment works thereon. A crowning is formed at an end of a loaded rolling element rolling surface of a movable member, and a chamfer is formed at an end of the crowning. Let a total length of the crowning and the chamfer in a length direction of the loaded rolling element rolling surface be L. Let the diameter of a ball be Da. L/Da>4 is set. A maximum depth D of the chamfer is set to equal to or greater than the elastic deformation amount of a rolling element rolling surface of a track member, the loaded rolling element rolling surface of the movable member, and the rolling element under a radial load equal to or greater than 60% of the basic dynamic load rating.

The method for manufacturing a linear motion guide device includes a step of forming a long member (8) having a pair of side wall parts (51) and a bottom wall part (52), a step of attaching a track body (4) to the pair of side wall parts (51) of the long member (8), and a step of cutting away a base member (5) to which the track body (4) is attached by cutting the long member (8) together with the track body (4) into a desired length.

The present invention relates to a linear motion guide unit manufactured at low cost by forming at least a slider from a single metal plate, and reduced in sliding resistance of rolling elements as well as a method of manufacturing the same. The linear motion guide unit includes a guide rail, and the slider formed from a single metal plate. The guide rail has a bottom part, and a pair of longitudinal side parts standing from opposite sides of the bottom part, extending longitudinally in a mutually facing manner, and having respective raceway grooves in which the rolling elements roll. The slider includes an upper part, a pair of mutually facing sleeve parts extending downward from opposite sides of the upper part and having respective raceway grooves and return passages, and end cap parts formed respectively at opposite ends of the upper part and having turnaround grooves.