41results about How to "Has self-lubricating properties" patented technology

The invention discloses a preparation method of a high-performance tangential belt. The preparation method comprises the following steps: (a) preparing an abrasion-resistant layer; (b) preparing an elastic layer; (c) preparing a functional bar; (d) carrying out adhesion treatment; (e) carrying out vulcanization treatment; and (f) drying. The invention discloses a preparation method of the high-performance tangential belt. According to the preparation method, working procedure arrangement is reasonable, implementation is simple and convenient, cost is appropriate, the interlayer bonding intensity of the prepared tangential belt is high, and favorable intensity, elasticity and abrasion resistance are shown during the using process; meanwhile, the abrasion resistant layer has a certain self-lubricating performance due to a functional bar structure added in the abrasion resistant layer, and the abrasion quantity of the abrasion resistant layer is effectively controlled, so that the tangential belt is suitable for various high-speed spinning devices, and the practicability of the tangential belt is improved greatly.

The invention discloses a method for making large tonnage testing machine mental extending rail plate, which comprises: choosing materials, member forging, annealing, first cutting process, normalizing process, fine cutting process, heat treatment quenching, low temperature tempering, abrading, desert spraying, phosphate processing; heat treatment quenching, adding chemical process after low temperature tempering, wherein the chemical process comprises: cleaning the mental extending rail plate at least two times, drying at low temperature 150 DEG C, taking the work piece into the oven, adding catalyst into the oven, lifting the temperature from 60 DEG C to 550 DEG C, heat preserving 14-16 hours; Making the catalyst into gas type decomposition, taking out the work piece self-cooled.

The invention discloses a preparation method of a diamond-coated drawing mold for water lubrication. The preparation method comprises corroding the surfaces of inner pores of a hard alloy drawing mold as a base with various pore sizes by hydrogen peroxide dropwisely added with dilute hydrochloric acid so that cobalt is removed, carrying out SiC powder sand blasting, carrying out diamond powder-based grinding coarsening, carrying out cleaning, carrying out diamond coating deposition by a hot-filament CVD method, and orderly carrying out anodic oxidation on the diamond-coated drawing mold under the condition of dilute sulphuric acid and coating grinding polishing on the diamond-coated drawing mold under the aerobic conditions or alternately carrying out the anodic oxidation and the coating grinding polishing on the diamond-coated drawing mold so that the diamond coating has the final surface smoothness Ra less than or equal to 0.1 microns. The diamond-coated drawing mold has high work surface hardness and can resist corrosion. Through the surface hydrophily of the diamond-coated drawing mold, water can form a continuous lubricating film and a self-lubricating graphite ingredient is uniformly distributed on the coating surface. In metal wire drawing and pipe size-reduction wall thickness-reduction drawing, water can replace lubricating oil so that a cost is reduced and ecological environment pollution caused by use of a lot of oil-based lubricating oil is avoided.

The invention relates to a device (1) with a frictional contact (10), wherein the frictional contact can be provided by a relative movement of the first contact body (12) relative to the second contact body (14). The part (10) provides a lubricant (17), wherein, through the lubricant (17) attached to the first contact body (12), the A liquid column of lubricant (17) is arranged in said lubricant path (16). Furthermore, the invention relates to a method for operating a device ( 1 ) with a friction contact ( 10 ).

The invention discloses a self-correcting assembly precision compressor, which comprises a casing and an impeller rotating shaft arranged in the middle of the casing, an impeller is arranged at the front end of the impeller rotating shaft, and an assembly assembly is arranged outside the impeller, and the assembly assembly includes The self-correcting ring is arranged at the front end of the impeller, and the outer edge of the self-correcting ring is provided with a volute; wherein, the hardness of the self-correcting ring is smaller than that of the impeller. The self-straightening ring is made of polymer material, which has self-lubricating properties. When the impeller is pre-started, the self-straightening ring will be scraped, so that the self-straightening ring is scraped and corrected according to the "rotation profile" of the impeller, so that the self-straightening The ring is automatically corrected according to the working state of the impeller, eliminating the error generated during the assembly of the compressor and ensuring the overall operation stability of the compressor.

The invention relates to a continuous lubricating crystallizer for aluminum alloy semi-continuous casting. The inner wall of the crystallizer is inlaid with a graphite lining, and an independent oil chamber is arranged in the upper cover. The graphite lining has a vertically symmetrical structure and taper. The crystallizer body There are two separate upper and lower water chambers, the upper water chamber and the lower water chamber respectively have independent water inlets, the upper water chamber and the lower water chamber are respectively equipped with water baffles, and a row of water spray holes is set at the bottom of the upper water chamber. A row of water spray holes is also arranged at the bottom of the lower water chamber, and the angles of the water spray holes of the upper water chamber and the angles of the water spray holes of the lower water chamber are inconsistent in a staggered shape. During casting, the oil seeps into the graphite lining through the oil chamber to form a continuous oil film, which not only increases the lubrication effect of graphite, but also plays a role of heat insulation and reduces the primary cooling of the ingot. Two independent water chambers realize single or double water chambers. At the same time, water is supplied to increase the secondary cooling effect on the premise of ensuring that no thermal cracks occur in the initial stage of the aluminum alloy ingot, and realize a low liquid level inside the crystallizer, which significantly improves the surface quality of the ingot.

The invention relates to an internal sealing structure of an HP medium speed coil mill. The internal sealing structure of the HP medium speed coil mill is provided with an upper sealing ring, a middle sealing ring and a lower sealing ring which are arranged on the upper side, in the middle and on the lower side respectively, a gapless radial floating sealing device is provided with a positioning pin capable of making reciprocating motion back and forth in the radial direction of a rotary shaft of the coal mill, and the positioning pin is provided with a carbon sealing ring in a connected mode through a spring. The internal sealing structure of the HP medium speed coil mill has the advantages that the internal sealing structure is resistant to high temperature and abrasion and has the self-lubricating property, the rotary shaft of the coal mill will not be abraded in the operation process, and thus the problems of air leakage and powder leakage of the bottom of the coal mill can be solved fundamentally, and the overhaul frequency of the coal mill is greatly reduced; meanwhile, the internal sealing structure is convenient to detach, the overhaul work period is shortened, the labor intensity of on-site construction is relieved, the on-site environment is greatly improved, and the internal sealing structure has remarkable economical benefits and practical value.

The invention provides an injection molding material for preparation of a high-thermal conductivity oil-free self-lubricating rotating shuttle and an injection molding technology therefor. The injection molding material comprises, by mass, 80 to 90 parts of special engineering plastic, 5 to 15 parts of copper powder, 2 to 8 parts of carbon fibers, 2 to 8 parts of graphite, and 1 to 5 parts of MoS2. The high-thermal conductivity oil-free self-lubricating rotating shuttle prepared from the injection molding material does not need lubricating oil so that a rotating shuttle structure is greatly simplified; a sewing machine cost is reduced; the possibility of pollution produced by the lubricating oil on a fabric is minimized; and fabric waste caused by lubricating oil pollution is effectively prevented.