Abstract:
The invention relates to a metal/plastic slide bearing composite material (2) having a metallic support layer (4), especially of steel, having a porous carrier layer (6), especially a carrier layer (6) applied by sintering from metallic particles (7), and having a polymer-based slide layer material (8) which completely fills the pores of the carrier layer (6) and comprises fillers that improve the tribological properties, the polymer basis being PTFE; according to the invention, the sliding layer material (8) comprises 0.1-5% by mass of carbon nanotubes having an external tube diameter of
Abstract:
A swash plate type compressor is arranged with a plurality of semispherical shoes 4 and a disc shaped swash plate 2. A resin coating 12 having a honeycomb structure is formed on a surface 2A and a rear surface 2B (sliding surface) of the swatch plate 2 which slides with the shoe 4. An edge part 12B (top end) of each of the multiple cylinder bodies 12A which forms the resin coating layer 12 are at the same plane and forms a sliding surface which slides with the shoe 4. In addition, an interior space of each cylinder body 12A forms a storage part of a lubricant and a container part for foreign objects 15. The swash plate 2 can be provided with excellent wear resistance, seizure resistance and lubrication retention.
Abstract:
The subject of the invention is a method for manufacturing of nanocomposite graphene-like greases and a unit for manufacturing of nanocomposite graphene-like greases, which is used for the manufacturing of molybdenum disulfide or tungsten disulfide based nanocomposite greases, intended especially for lubrication of slide bearings for heavy duty engines. Characterized in that the unit consists of a set of tape (2) guiding rollers (D and a set of pressure rollers (4) driven by a driving element (3), as well as a set of tape stretching rollers (5), and the created mixture of molybdenum disulfide or tungsten disulfide graphene-like plates with thickness below 100 nm and length below 1,0 μm with liquid glue material is created, then the mixture is placed on a tapes (2) of the unit, to completely glue the surface of the plates with tapes (2), and then after passing through the tape (2) and breaking of the plate structure, the plates are removed from the surface of the tapes (2).
Abstract:
A piston coating is described that comprises at least one aqueous dispersion selected from among the group including phenolic resins, epoxy resins, polyvinyl butyral, or the condensation products thereof, and at least one solid lubricant selected from among the group including graphite, MoS 2 , WS 2 , and BN. Said coating dispenses with the use of toxic solvents and has a wear resistance and a coefficient of friction similar to those of conventional coatings.
Abstract:
A rotatable shaft (22) slidingly rotatable supported in the circumferential direction in a slide bearing (16) formed of a porous sintered alloy-made bushing having pores (30) impregnated with a lubricating material (31), slide bearing grease (24) supplied between the slide bearing (16) and the shaft (22) and containing base oil, characterised by the base oil having a lower dynamic viscosity than that of the lubricating material (31) and exuding under a load of said shaft (22) to form an oil film (35) between said slide bearing (16) and said shaft (22), the slide bearing grease being (24) added with at least a solid lubricant (33).
Abstract:
It is an object of the invention to provide a slide member which is excellent in the initial running-in property and can provide an excellent sliding property even under a strict sliding condition and, in particular, a slide member with a solid lubrication coating film which is excellent not only in the friction property but also in the wear resistance under the fluid lubrication, boundary lubrication and dry lubrication conditions. The invention provides a slide member which includes a solid lubrication coating film on a flat-plate-shaped base member, characterized in that, in the surface of the slide member, there are formed a plurality of concentrical grooves extending in the peripheral direction of the slide member surface, and, between the mutually adjoining ones of the grooves, there are formed ridge portions respectively.
Abstract:
A process for drawing wire employing a lubricant comprising perfluorocarbon compounds (PFCs), including aliphatic perfluorocarbon compounds ( alpha -PFCs) having the general formula CnF2n+2, perfluoromorpholines having the general formula CnF2n+1ON, perfluoroamines (PFAs) and highly fluorinated amines (HFAs), and perfluoroethers (PFEs). Such fully and highly fluorinated carbon compounds exhibit a very high degree of thermal and chemical stability due to the strength of the carbon-fluorine bond. Further, because the compounds are fully fluorinated, and therefore do not contain chlorine and bromine, they have zero ozone depletion potential (ODP). Further, because the compounds are photochemically non-reactive in the atmosphere, they are not precursors to photochemical smog and are exempt from the United States Environmental Protection Agency (EPA) volatile organic compound (VOC) definition. Further, because they are volatile, the compounds are easily removed at the end of the process without need for an additional cleaning step. The process provides wire at significantly higher production speeds and longer die life with improved quality and less byproduct debris.