31results about How to "Change wear resistance" patented technology

The invention relates to powder coating and particularly relates to powder coating for MDF transfer printing and an application method of the powder coating. The powder coating is prepared from the following raw materials in percentage by weight: 53-90% of resin, 0-6.7% of a curing agent, 0.1-0.5% of a curing accelerant, 3-25% of auxiliaries, 5-30% of filler and 0.8-25% of pigment. After the powder coating is used for transfer printing, the texture is clear, the penetration is deep, the third dimension is strong, the transfer printing paper can be easily uncovered, the thermal transfer printing product is durable in use, and the patterns are not dropped, cracked or faded; moreover, the thermal transfer printing only achieves a surface decoration effect without changing the characteristics of the original glossiness, the wear resistance, the weather resistance, the acid and alkali resistance, and the like of the product. The invention also provides an application method of the powder coating.

The invention discloses a novel high-resilience foamable rubber shoe sole material and a preparation method thereof. The material is characterized of being prepared from, by mass, 10-15% of chloroprene rubber, 8-12% of natural rubber, 10-15% of ethylene-vinyl acetate copolymer, 20-25% of butadiene rubber, 6-12% of butadiene styrene rubber, 5-10% of ethylene propylene diene monome, 5-12% of white carbon black, 3-6% of naphthenic oil, 0.5-1.5% of resin, 1-3% of an active agent, 1-3% of a foaming agent, 1-3% of a modified flowable agent and 0.5-1.5% of a bridging agent. The preparation method comprises the steps of material compounding, banburying, mixing, open milling, stamping and vulcanization, so that a finished product is obtained. According to the novel high-resilience foamable rubber shoe sole material and the preparation method thereof, the characteristics that compatible and complementary elements exist among all types of rubber raw materials are utilized, the novel foamable rubber shoe sole material having the mechanical properties such as high resilience, high abrasion resistance and low weight is obtained, and the material is widely applied to the field of rubber shoe sole manufacturing.

The invention relates to a strap-shaped welding wire filling-in type stirring friction treatment method, relates to a filling-in type stirring friction treatment method, and aims at solving the problem that generally high-energy beam powder bead welding can only be conducted under gas protection or even under vacuum condition. The method comprises the following steps of: firstly, pretreatment preparation, namely, a wire feeding wheel and a positioning guide wheel are fixed on a main shaft of a welding machine, a material to be treated is clamped, a strap-shaped welding wire is put under the positioning guide wheel, the positioning guide wheel is tightly adhered to the surface of the material to be treated, the strap-shaped welding wire is fixed on the surface of the material to be treated, and the end part of the strap-shaped welding wire is put just below a needleless welding tool; secondly, stirring friction treatment, namely, the welding machine is started, the needleless welding tool starts to vertically feed downwards, the shaft shoulder of the needleless welding tool is contacted with the end part of the strap-shaped welding wire and is gradually compressed into the upper surface of the material to be treated, and the strap-shaped welding wire is subjected to bead welding on the surface of the material to be treated by using the stirring and fogging and pressing functions of the shaft shoulder; and thirdly, after-welding settlement, namely, the welding wire is cut off by using a pair of cutting nippers, the residual welding material and overlap are removed by using a steel wire brush. The method is applied to stirring friction treatment.

The invention provides a magnetic pump, which comprises a pump cavity, an inner magnetic assembly, an impeller, a pump shaft, two bearings and an outer magnetic assembly, wherein the pump cavity consists of a pump case and an isolation sleeve, the impeller is driven by the inner magnetic assembly, the two bearings are sheathed on the pump shaft, each bearing comprises a bearing inner ring, a rolling body, a bearing outer ring and a sealing cover, the sealing cover is arranged between the bearing inner ring and the bearing outer ring for protecting the rolling body, the outer magnetic assembly is used for driving the inner magnetic assembly to rotate under the effect of the external driving force, the pump shaft is a solid shaft, and the rolling bodies arranged in the bearings are densely distributed and arranged between the bearing inner ring and the bearing outer ring. The magnetic pump solves the problems that in the prior art, the bearings and the hollow pump shaft do not have the wear resistance, corrosion resistance or particle work medium resistance in the idle state, and the heavy load cannot be realized. The magnetic pump can realize the high-load heavy-load work under the condition of particular work media or corrosive environment, and in addition, the idle state can be realized.

The invention relates to the extrusion of compound section bar. It takes advantage of the abundant straw shell powders and other wood, and fiber as stuffs. It can make compound plastic section bar through one time extrusion. It is simple, cheap, stable, and anti-slippery. It has real wood sense, adjusted in the surface plastic component, being able to generate all kinds of visual effect, adjusting the surface thickness, and changing the abrasion resistant feature, anti slippery and lasting feature of it. It is easy and environment friendly.

The invention discloses a magnetic pump which is mainly characterized in that a pump body is mounted on a base; an impeller is mounted on the left side surface of a left rotating shaft; a pump cover is mounted in a mounting hole in the right end of the pump body; a bracket is mounted on the right side surface of the pump cover; an internal magnet rotor component is mounted on the right end surface of the left rotating shaft; the left rotating shaft is mounted in a centrale hole of in the pump cover; a pressing plate is mounted on the right side surface of the pump cover; a thrust disc is mounted on the left rotating shaft; a shielding sleeve is fixedly mounted on the right end surface of the pump cover; an external magnet rotor component is mounted on a right rotating shaft; the left side surface of a bearing housing is mounted on the right side surface of the bracket; a left side bearing gland is mounted on the left side surface of the bearing housing; a left side bearing is mounted at the left end of the right rotating shaft; a right side bearing gland is mounted on the right side surface of the bearing housing; a right side bearing is mounted at the right end of the right rotating shaft; an oil lens is mounted on the bearing housing; the right end of the right rotating shaft is connected with the output shaft of a motor through a claw type coupler; the motor is fixedly mounted on the base; the bearing housing is mounted on the base through a support leg.

The invention discloses a preparation method of a surface coating of a high-speed steel screw tap and belongs to the technical field of nano-coatings. According to the method, during film coating, the manner that a cathode arc method and a magnetron sputtering method are combined is adopted; and in the N2 atmosphere, a Ti element is evaporated through the cathode arc method, meanwhile, a C element is sputtered through the magnetron sputtering method, and a TiN/C layer is prepared on the surface of the high-speed steel screw tap in a plated manner. Compared with an existing conventional method, by means of the method, the low production cost is kept, the environment is prevented from being polluted, and the comprehensive performance of the high-speed steel screw tap can be improved.

The invention relates to a bearing, in particular to a sparingly soluble bearing of an engine. The sparingly soluble bearing is characterized by comprising a steel back layer, a substrate layer and a sparingly soluble layer which are arranged from outside to inside, wherein the substrate layer is made of aluminum material; and the sparingly soluble layer is made of silicon-iron environment-friendly material. The invention saves energy in the manufacture process, has low cost and can satisfy the technical requirements of the engine, such as high voltage increase, great torque and low emission.

The invention belongs to the field of leather production, and particularly relates to a waterproof wear-resistant environment-friendly vegetable tanning method for sole leather, which sequentially comprises the following steps of softening, deironing, pre-tanning, neutralizing, tanning, oiling and post-processing. In the deironing process, diethylenetriaminepentaacetic acid (DTPA) and N-benzoylphenylhydroxylamine (BPHA) are added into a rotary drum, in the pre-tanning process, warm water at the temperature of 35-45 DEG C, sodium-based nano montmorillonite, water-soluble graphene oxide, an oxazolidine auxiliary tanning agent and FILLER 1462 protein filler are added into the rotary drum, and in the oiling process, warm water with the temperature of 35-45 DEG C, the cattle hoof oil, the emulsified beef tallow, the melamine and the cationic oil are added into a rotary drum according to the amount of the formula; The vegetable tanning sole leather process is environment-friendly, excellent in waterproofness and wear-resistant. The target product is excellent in waterproof performance and has the characteristics of environmental protection, wear resistance and the like.

This invention relates to an improvement of NiCrMo infinite cooling hard cast iron used in roll materials of metal machining hot rolling and cold rolling plate, especially relates to a kind of NiCrMo infinite cold hard cast iron used in roll with excellent wear resistance and thermal crack resistance property, long longevity, the character is adding 0.03-0.1%(WT) B and 0.2-1.5% Nb in the component of NiCrMo infinite cold hard cast iron. As well as the composite roll made from this materials. Because of the addition of B and Nb, the wear resistance and thermal crack resistance property are remarkably improved, which overcomes the disadvantage of raw materials. The operating life of composite roll whose working layers are made from this materials is enormously improved compared with original life. The plate band rolling amount increases more than 20%; the improvement of thermal crack resistance property.

The invention discloses a high-temperature alloy die material which comprises the following alloy chemical components in percentage by mass: 0.02 to 0.05 percent of C, 17.00 to 20.00 percent of Cr, 2.00 to 3.00 percent of Mo, 1.50 to 2.50 percent of Al, 1.50 to 2.50 percent of Ti, 8.00 to 10.00 percent of Fe, 0.01 to 0.05 percent of B, less than or equal to 0.01 percent of S and the balance of Ni, and the sum of the mass fractions of the Al element and the Ti element in the alloy is not less than 3.50 percent. The invention further discloses a preparation method of the high-temperature alloy die material and application of the high-temperature alloy die material in die steel. According to the method, the problem that the surface wear resistance is insufficient when an existing commercial high-temperature alloy serves as a non-ferrous metal hot working mold material is solved, the aging treatment process and the ion nitriding process are fused, the technological process is obviously shortened, and meanwhile the ion nitriding technology is environmentally friendly.

The present invention provides a stone with a functional thin film layer and a manufacturing method thereof. The stone of the present invention is characterized in that the surface of the natural stone is adhered with the thin film layer having a certain characteristic. The stone of the present invention uses a physical sputtering method, wherein the substrate is a natural stone, and the target is a thin film material. The beneficial effects of the present invention are that: by using the industrial method, the surface of the natural stone is adhered with the thin film layer to change wear resistance or corrosion resistance on stone surface, so that the stove has better overall performances than natural stone and the designer has more selection space. The manufacturing method of the present invention enables the stone having the functional thin film layer to be mass-produced by an industrial method. The production scale can be very large in order to facilitate cost reduction.

The invention discloses a preparation method for a barium-containing flue gas denitration catalyst, and relates to the technical field of denitration catalysts. The preparation method comprises the following steps: (1) adding ammonium metatungstate and ammonium metavanadate into an oxalic acid solution so as to prepare a mixed solution; (2) adding a barium compound and a titanium dioxide aqueous solution into the mixed solution obtained in the step (1), and carrying out ultrasonic treatment so as to obtain a raw material solution; (3) drying the raw material solution at 100 DEG C until the weight is constant, and carrying out calcining; and (4) adding water to wet barium-containing catalyst powder, adding an aluminum hydrosol, then adding an organic adhesive and a molding auxiliary agent,adjusting the moisture content of a mixture to 15-35%, and carrying out extrusion molding so as to obtain the barium-containing denitration catalyst. The preparation method disclosed by the inventionhas the following beneficial effects: the barium-containing compound and titanium dioxide macromolecules can generate a lattice doping phenomenon when being calcined at 450-650 DEG C, so the compression resistance and the wear resistance of a carrier are changed. Meanwhile, the denitration catalyst is guaranteed to reach denitration efficiency of 95% or above within a temperature range of 300-400DEG C.