35results about How to "Reduce surface treatment costs" patented technology

The invention provides hot stamping die steel and a production method thereof. The hot stamping die steel is composed of, by weight, 0.45-0.50% of C, 0.1-0.3% of Si, 0.1-0.3% of Mn, 2.0-2.3% of Cr, 2.3-2.5% of Mo, 0.8-1.0% of V, smaller than or equal to 0.03% of P, smaller than or equal to 0.03% of S and the balance Fe and other inevitable impurities and meets the relational expressions that Mo / Cr=1-1.25 and V / Cr=0.35-0.43. By means of the electroslag remelting process, the ultrafine thermal treatment process, the vacuum thermal treatment process and the plasma nitriding surface treatment process, the produced and obtained hot stamping die steel is low in cost and high in comprehensive performance; the hot stamping die steel has a thermal conductivity coefficient of 34.3 W / m.k, quenching and tempering hardness of 50-53 HRC, ballistic work of 180-210 J, surface hardness of 850-1040 HV0.3 and diffusion thickness of 230-300 microns, and a white bright layer is ceaseless after nitriding.

The invention relates to a wiper blade rubber and a method for the production thereof, in particular for a rail wiper of a motor vehicle, made from a formed, vulcanizable elastomer material the surface of which comprises a surface layer which is hydrophobic, with a contact angle with respect to water greater than 90°, preferably greater than 120°, and a surface structure with raised regions and / or recesses in the micrometer range.

The invention relates to a wiper blade rubber and a method for the production thereof, in particular for a rail wiper of a motor vehicle, made from a formed, vulcanizable elastomer material the surface of which comprises a surface layer which is hydrophobic, with a contact angle with respect to water greater than 90°, preferably greater than 120°, and a surface structure with raised regions and / or recesses in the micrometer range.

The invention discloses a chemical nickel, palladium and gold plating technique for a printed circuit board. The chemical nickel, palladium and gold plating technique for the printed circuit board comprises the steps of deoiling, hot water washing, dual water washing, micro-etching, dual water washing, presoaking, treatment through a palladium activating agent, dual water washing, deposition of chemical nickel, dual water washing, deposition of chemical palladium, dual water washing, deposition of chemical gold and the like. According to the chemical nickel, palladium and gold plating technique for the printed circuit board, chemical palladium plating is introduced, diffusion and migration of nickel are prevented by means of a palladium layer, contact between the nickel and a gold leaching solution is also prevented, and thus the common problem of black discs of existing chemical nickel and gold surface treatment techniques is effectively solved; a chemical plated palladium layer is completely dissolved in welding flux, no hyperphosphate layer appears at an alloy connector, a new chemical plated palladium layer can be exposed to be used for generating good nickel-tin alloy when the original chemical plated palladium is dissolved, and thus the reliability of welding spots is improved; a plated palladium layer with larger hardness is introduced, a thin clad layer can has good abrasion resistance and gold line printing performance, can serve as a key touch surface and is suitable for being applied to products with high connection reliability, and meanwhile surface treatment cost is reduced.

The PCVD plasma impregnation process of hot forging die includes surface deoiling, polishing, supersonic cleaning in acetone and alcohol dewatering of the die after quenching at 1070 deg.c and tempering at 530 deg.c; plasma nitriding in a industrial PCVD vacuum furnace; and PCVD plating. The die thus treated has surface structure comprising base, diffusion layer of solid solution of nitrogen in alpha-Fe with the nitriding layer thickness being 150-180 micron, TiN film layer of 2.0 micron thickness or TiCN film layer of 1.5 micron thickness. Thus treated surface has hardness at high as Hv1800-2200 and high film attaching strength suitable for harsh friction wear condition.

The invention belongs to the technical field of machining, and particularly provides a machine tool for surface treatment of shaft-type workpieces. A transverse guide rail and a longitudinal guide rail are arranged on a tool body, a headstock and a tailstock which are used for clamping the workpieces are arranged on the transverse guide rail, and a polishing mechanism for polishing the workpiecesis arranged on the longitudinal guide rail, and comprises a spindle motor and a spindle driven by the spindle motor to rotate; and a cloth wheel synchronously rotating along with the spindle is arranged on the spindle, and comprises multiple stacked annular cloth pieces, the middle portions of the multiple annular cloth pieces are fixedly connected to form a cylinder with a mesopore, the mesoporeis used for being connected with the spindle, the polishing mechanism is controlled by a controller to act, and the controller controls the cloth wheel to rotate in the same direction or rotate clockwise or anticlockwise. By means of the machine tool, the cost of surface treatment of the shaft-type workpieces is low, the effect is good, the efficiency is high, and operation is convenient.

A surface treatment method of a magnesium alloy article includes, instead of forming a primer on a magnesium alloy based composite first, directly performing a hairline finish process on the magnesium alloy based composite, to form a hairline structure on a surface of the magnesium alloy based composite, and performing a chemical oxidation process on the magnesium alloy based composite, to form a glossy film covering the hairline structure on the magnesium alloy based composite, thereby forming a magnesium alloy article structure. Alternatively, another chemical oxidation process is performed before the hairline finish process, to form an oxide film on the surface of the magnesium alloy based composite.

The invention relates to the technical field of valves, and discloses a safe three-way proportional throttle valve structure. The safe three-way proportional throttle valve structure comprises a mainvalve seat, a displacement sensor and a pilot valve, wherein a P oil port, an A oil port and a T oil port which communicate with a main valve cavity are formed in the side surface of the main valve seat in sequence from top to bottom, a P through hole is formed in the corresponding position of the side surface of a valve sleeve and the P oil port, an A through hole is formed in the corresponding position of the side surface of the valve sleeve and the A oil port, a T through hole is formed in the corresponding position of the side surface of the valve sleeve and the T oil port, a driving cylinder is arranged on the outer side surface of a main valve cover, a hollow main valve element is arranged in the valve sleeve, a first main piston and a second main piston are arranged on the main valve element in sequence from top to bottom, a braking piston is arranged in the driving cylinder, a sensor positioning sleeve is arranged on the upper end of the driving cylinder, the upper end of the main valve element passes through the driving cylinder and extends into the sensor positioning sleeve, and the displacement sensor is fixed to the interior of a sensor positioning seat and coaxially extends into the main valve element. The safe three-way proportional throttle valve structure has the beneficial effects of good stability, safety in use and convenience in maintenance.

The invention discloses an electronic product shell material laminating structure and a manufacture method thereof. One layer of plastic film covers on the laminating structure of the composite material; and the composite material covered with the plastic film is laminated, solidified and shaped by pressurizing and heating a die to form the electronic product shell material laminating structure composed of the composite material part and the plastic film so as to simplify the subsequent surface treatment process. The surface of the electronic product shell material laminating structure only needs to be polished once, supplemented with soil or sprayed, or the product can achieve a final finished product effect without polishing, supplementing with oil and spraying, and the surface treatment cost is lowered.

The invention relates to the field of shell surface treatment, in particular to a shell mirror surface highlight machining process and device, and the process comprises the following steps: (1) carrying out primary anodic oxidation on the surface of a shell; (2) determining parameters of highlight treatment, and carrying out highlight treatment on the surface of the shell subjected to primary anodic oxidation; (3) carrying out secondary anodic oxidation on the surface of the shell subjected to the highlight treatment; (4) immersing the shell subjected to secondary anodic oxidation into a dye solution for dyeing treatment; and (5) sealing holes of the dyed shell. After being machined according to the machining process disclosed by the invention, the surface shows a mirror-like effect, and the appearance is very clean.

The invention discloses printing oil capable of replacing a packaging matt film, which comprises printing oil, and the printing oil comprises folding-resistant bottom oil and wear-resistant surface oil, the folding-resistant bottom oil is coated on the surface of a product, a layer of wear-resistant surface oil is coated on the surface of the folding-resistant bottom oil, the folding-resistant bottom oil is used for enabling the finished product to achieve the folding-resistant purpose, and then a layer of wear-resistant bottom oil is coated to achieve the wear-resistant purpose; compared with the prior art, the surface treatment technology replaces a film covering technology, the surface treatment cost is reduced relative to the film covering cost, recycling after packaging boxes are discarded is facilitated, the recycling income is increased, the call of the environment-friendly plastic removing policy is responded, and the enterprise competitiveness is improved.

This patent discloses a method for preparing a high-hardness, smooth, and corrosion-resistant surface of ferrous metals. The metal sample to be treated is made into a friction pair. The material of the pair is the same as that of the metal sample to be processed and the hardness is similar. The initial surface roughness of the two pairs is Ra ≤1.6um, and lubricated by lubricating substances, which are lubricating oil, grease and emulsion containing serpentine, attapulgite, kaolinite, montmorillonite and other minerals, using splash lubrication and forced lubrication. The contact form of the friction pair includes surface-to-surface contact and line-to-surface contact. The friction form includes sliding friction and rolling friction. The cumulative friction movement time is not less than 72 hours. This process method is relatively simple, and one process section can realize "improving surface hardness, The comprehensive goal of "smoothness and corrosion resistance" has a certain promotion value.

The invention provides a base processing method, comprising the following steps: performing tempering treatment on the fins of the blank to obtain a first intermediate body with higher fin elasticity; performing first surface treatment on the fins of the first intermediate body And obtain the target workpiece with higher fin surface strength. In the base processing method provided by the present invention, highly elastic fins are obtained through quenching and tempering treatment, and then the surface of the fins has greater strength through the first surface treatment, so that the fins have higher elasticity , and has greater strength, which ensures that the fins will not be easily damaged during service and prolongs the service life of the base.

The invention discloses an unmanned helicopter equipment cabin, which comprises an equipment cabin floor, a vertical equipment cabin rear partition, a radiator lower partition located above the equipment cabin rear partition for placing a radiator, and a radiator lower partition. The radiator rear bulkhead above the plate and the equipment compartment outer cover that forms the inner cavity of the equipment compartment with the radiator rear bulkhead, the radiator lower bulkhead, the equipment compartment floor and the equipment compartment rear bulkhead, wherein the equipment compartment outer cover is supported by the equipment compartment The board is connected to the floor of the equipment compartment, and a floor support assembly is connected between the floor of the equipment compartment and the rack. The invention divides the equipment cabin into upper and lower layers as a whole, which are separated by the lower partition of the radiator. The radiator is installed on the upper layer, and the avionics equipment, power supply equipment and flight control device are installed on the lower layer. The counterweight is discarded to increase the space utilization rate.

The invention discloses a preparation method of ferrous metal with a high hard, smooth and corrosion-resistant surface. The preparation method includes the following steps that a metal sample to be treated is made into friction pairs, materials of the friction pairs are the same as those of the metal sample to be treated and hardness is similar, initial surface smoothness Ra of the two pairs is less than or equal to 1.6[mu]m, lubricating materials are used for lubricating,include lubricating oil, grease, and emulsion which contain serpentine, attapulgite, kaolinite, montmorillonite and other minerals, and methods of splash lubrication and forced lubrication are adopted. Contact forms of the friction pairs include surface-to-surface contact and line-to-surface contact, friction forms include sliding friction and rolling friction, accumulated friction movement time is not less than 72 hours, the process method is relatively simple, and one process section can achieve a comprehensive goalof "improving the surface hardness, smoothness and corrosion resistance", and has a certain promotion value.

The invention provides a press-fit steel plate surface treatment method and a press-fit steel plate polishing device. The method comprises the following steps: acquiring a first polishing induction value and a second polishing induction value of a laminated steel plate; performing sensing processing on the first polishing sensing value and the second polishing sensing value to obtain a polishing sensing difference component; and a grinding surface sequence signal sent to a polishing control system is adjusted according to the grinding induction difference component, so that the corresponding surface of the press-fit steel plate is polished and ground. After the press-fit steel plate is sensed, the sensing sequence between the polishers at different polishing positions is determined according to the obtained sensing value, that is, the polishing surface sequence signal for polishing the press-fit steel plate is determined according to the polishing sensing difference component, the press-fit steel plate does not need to be overturned, a plate overturning machine needing to be arranged is omitted, and the cost is reduced. And the surface polishing efficiency of the press-fit steel plate is improved, the surface treatment cost of the press-fit steel plate is effectively reduced, and therefore the production cost is effectively reduced.

The invention discloses a preparation method of an electrogalvanizing layer doped with nanometer particles. Each liter of an electroplating liquid comprises the following components: 8-15g of zinc oxide, 80-150g of sodium hydroxide, 150ml of a ZN-500 brightening agent, 1-3ml of a ZN-500 low-area dispersing agent, 1ml of a ZN-500 impurity removing agent, 1ml of a ZN-500 water treating agent, 1.0-1.5g of nanometer titanium dioxide particles, and the balance of deionized water. According to the preparation method of the electrogalvanizing layer doped with the nanometer particles, disclosed by the invention, through the addition of the nanometer titanium dioxide particles, the fine degree of the crystallization of a galvanizing layer can be effectively improved, so that the galvanizing layer and a substrate have good binding force, and the corrosion resistance of the galvanizing layer and the wear resistance of the galvanizing layer are improved significantly; therefore, the thickness of the galvanizing layer can be effectively lowered, and the surface treating cost is reduced; in addition, the preparation process of the electrogalvanizing layer and the production process of the electrogalvanizing layer are environment-friendly, non-toxic and harmless.