摘要:
A linear motion ball bearing (A) comprises a rail (1), a moving body (2) slidably fitted to the rail and a plurality of rolling bodies (4) disposed between the rail (1) and the moving body, and rolled and circulated with their relative sliding movement, wherein a solid film (16) of a fluorine-containing polyurethane polymer compound is formed at least at the rolling/sliding portions of the constituent elements. The molecules of this solid film (16) have a urethane bond and a three-dimensional net-like structure. Therefore, wear besides separation and peel-off is limited. In consequence, the suppression of dusting and the lubricity are improved, and a long life is achieved.
摘要:
A solid film (5) of a fluorine-containing polyurethane polymer is formed on at least one of the constituent elements (inner and outer races (1 and 2)), rolling member (3) and retainer (4) of a rolling-contact bearing (A). The molecules of the solid film (5) of the fluorine-containing polyurethane polymer have urethane bonds, and form a three-dimensional reticular structure. Therefore, the film is unlikely to separate, peel off or wear, the occurence of the dust can be restricted, and lubrication property can be improved.
摘要:
A solid-lubricated bearing assembly has an outer bearing member with a generally radially inwardly facing race surface formed therein adapted to receive rotatable bearing elements for rotating motion of the rotatable bearing elements respecting the outer bearing member, an inner bearing member having a generally radially outwardly facing race surface formed therein adapted to receive the rotatable bearing elements for rotating motion of the rotatable bearing elements respecting the inner bearing member, a plurality of rotatable bearing elements retained between the race surfaces of the inner and outer bearing members, and at least one spacer circumferentially positioned between the bearing elements for maintaining the bearing elements in spaced relation to one another while permitting rotation of the bearing elements in the races with the spacer including solid lubricant material for depositing a solid lubricant film on the rotatable elements by contact therewith as the rotatable elements rotate against the solid lubricant material.
摘要:
A high speed ball bearing (10) comprising an inner annular race (20) having an outer annular ball race groove (26), an outer annular race (12) spaced radially from the inner race (20) and having an inner annular ball race groove (14) confronting the outer groove (26) on the inner race and an annular separator (28) located between the inner and outer races (20,12). The separator has a series of circumferentially spaced apertures (36) and a series of balls (38) is captively located between the inner and outer races (20,12), within the outer and inner grooves (26,14) and within the apertures (36) in the separator (28). The inner and outer races (20,12) are made of bearing quality steel, the balls (38) are made of a ceramic material and the separator (28) is made of a material which includes a selected amount of a solid lubricant.
摘要:
Slide assemblies are disclosed, which each comprise a metallic member and a ceramic member to slide with the metallic member. The metallic member has a sliding surface coated with a mixture essentially consisting of a solid lubricant and a binder. The mixture of the solid lubricant and the binder is a combination selected from the group consisting of LiF+MoO₃, PbO+Cu, MoS₂+Cu, LiF+Ni-Cr-Mo-Si, and LiF+Co-Mo-Cr-Si. Silicon nitride, sialon, mullite, partially stabilized zirconia, or silicon carbide is preferably used as the ceramic member. The slide assemblies exhibit excellent high frictional resistance and wearing resistance even with dry condition at high temperatures.
摘要:
A lubricant insert (12) for lubricating rolling bearings (10) composed of a firm, tough, solid gel matrix containing a lubricating oil of lubricating viscosity which exudes therefrom to provide an oily surface in contact with the elements (22) of the bearing (10). The preferred form of lubricant insert (12) comprises an annular member (30) having a plurality of circumferentially spaced axially directed projections (32, 34) which have surfaces conforming to the contour of the rolling elements (22) and which are of a predetermined orientation to permit ease of assembly and locking of the insert (12) in place in the annular space between the inner and outer rings (14, 16 resp.) of the bearing (10).
摘要:
A method includes casting a friction reducing layer on a carrier, and casting an adhesive layer overlying the friction reducing layer to form a multilayer cast film. The method further includes laminating the multilayer cast film to the load bearing substrate with the load bearing substrate to form a composite and shaping the composite. The load bearing substrate is closer to the adhesive layer than to the friction reducing layer.