248 results about "Surface plastic" patented technology

The invention discloses a method for producing a vehicle-used stabilizer bar with high corrosion resistance, which relates to the processing technology field of metal parts, in particular to a production process of an automotive stabilizer bar. The production process comprises the following steps: blanking, bending, forging, drilling and reaming, boring, quenching and tempering, correcting, rotoblasting, phosphating, surface plastic-spraying and finally pressing into a bushing. Through the process, the corrosion resistance of the surface of the stabilizer bar is effectively improved and the service life is also prolonged. After the corrosion resistance test of 150 hours is carried out according to the method in QC/T484-1999, the spread of unilateral corrosion along the cutting does not exceed 2 mm and the check result shows that the unilateral corrosion is 1.3 mm.

The invention relates to a manufacturing machine of a multi-width full-automatic plastic drain board and particularly relates to the synchronous full-automatic coating and sticking technology for the non-woven fabric of a multi-surface plastic drain board. The manufacturing machine comprises a coating device, a sticking device, a traction device, a winding device and an auxiliary device, and is characterized in that the coating device comprises a primary coating device provided with a shaped outer frame and a shaped inner frame, a secondary coating device provided with a pressure plate adjusting bolt, an inclined plane plate and a pressure plate, and an edge flattening device provided with a suspension rod, a tension spring and a pressure wheel; the sticking device comprises a rubber tube provided with an electric heater and a glue spreading nozzle, a shaping device provided with a planar plate, and a flattening device provided with a pressure roller, a cantilever and a support; the traction device comprises a traction pressure roller, an adjusting bolt, a pressure roller bracket, a spring and a gear; the winding device comprises a reeling core wheel hub, a transmission shaft, a nut, a spring and a bearing support; and the auxiliary device comprises a limiting plate, a hold-down strip, a carrier roller and a gearbox. The manufacturing machine provided by the invention has the advantages of energy conservation, high operating efficiency, low labor intensity and the like.

The invention relates to a polyurethane adhesive used for structural bonding of power battery PACK. The polyurethane adhesive comprises an A component and a B component, wherein a volume ratio of theA component to the B component is 1:1; the A component comprises the following materials, in parts by weight: 5-20 parts of an epoxy resin modified polyol, 15-30 parts of a benzene ring-containing polyol, 10-25 parts of a bio-based polyol, 0-3 parts of a crosslinking agent, 0-0.05 part of a catalyst, 20-35 parts of a flame retardant, 3-10 parts of a molecular sieve and 0-5 parts of a thixotropic agent; and the B component comprises the following materials, in parts by weight: 50-70 parts of an isocyanate-terminated polyurethane prepolymer, 0-20 parts of isocyanate, 18-30 parts of a flame retardant, 0.1-0.3 part of an adhesion accelerant, 3-10 parts of a molecular sieve and 0-5 parts of a thixotropic agent. The polyurethane adhesive prepared by the invention has excellent bonding propertieson untreated-surface plastic materials such as PI, PET and PC and metal materials such as aluminum, steel and alloys of the aluminum and the steel, excellent aging resistance and a lower modulus.

The invention discloses a gradient nanostructure with excellent comprehensive high cycle and low cycle fatigue performance, and belongs to the technical field of metal material fatigue performance enhancement. Specifically, surface plastic processing is conducted, a gradient nanostructure is introduced to the surface of a metal material, and microstructures of the metal material are an surface layer nanocrystalline structure, a subsurface superfine/deformed twin structure and a core original coarse crystal structure, wherein the overall thickness of a gradient nanostructure layer is greater than 50 microns and is within 50-300 microns. Compared with uniform coarse grain structures of the same compositions, the stress control high cycle fatigue limit of a pure-Cu sample with the surface gradient nanostructure is improved by two times, and high cycle fatigue life is prolonged by 15 times; and the strain control low cycle fatigue life is doubled compared with common coarse grain samples.According to the surface layer gradient nanostructured metal material, both the high cycle and low cycle fatigue properties of the metal material are improved.

The present invention discloses a high-strength elastic metal plastic bearing liner. It includes steel bearing base, on the steel bearing base a metal wire elastic pad is firmly combined, and a surface plastic layer is inlaid on the metal wire elastic pad, the described metal wire elastic pad is a disordered arranged copper-covered steel wire helical spring elastic pad. Besides, said invention also provides its production method and concrete steps.

The invention discloses a method for regulating a free spectral range by an equilong rectangular cavity surface plasma band pass filter. The method comprises the steps of: changing the position of a groove (103) in a rectangular cavity (102) under the condition of unchangeable length of the rectangular cavity (102) for realizing the flexible and adjustable free spectral range; and changing the position of one peak wavelength by adopting a geometrical parameter selectivity of the groove (103) under the condition that the groove (103) is in some special positions so as to realize the flexible and adjustable free spectral range of a filter. According to the invention, on the basis of ensuring that the surface plastic filter is realized, the flexible and adjustable free spectral range of the filter is realized, and the flexibility of a photon integrated loop is enhanced.

The invention relates to a method for manufacturing a composite plastics-steel steel strip used for package. The steel strip is manufactured through the following steps: conducting the bluing treatment on the steel strip, cooling the steel strip after the bluing treatment, delivering into a high voltage electrostatic plastic-spraying device for the surface plastic spraying, and cooling the steel strip for the shaping after the surface plastic spraying. The invention has the beneficial effects that (1) the technological process is simple, the operation is convenient and controllable, the equipment investment is low, and the popularization and the application are facilitated; (2) the residual heat generated by the induction heating blueing is fully utilized to conduct the plastic spraying during the manufacturing procedure, an integrated continuous production is formed and the energy consumption is saved; (3) the plastic spraying is conducted in an enclosed generator, about 80 percent of the plastic powder ejected by a spray gun is attached to the surface of a steel plate, the residual powder is collected for the reutilization, so that the raw material is effectively saved, and the production environment is cleaned; and (4) the plastic spraying adopts high-pressure electrostatic adsorption principle, the quality of a coating layer is high, the coating layer is beautiful, the bonding power is high, and the production efficiency is high.

The invention relates to a workpiece surface plastic deformation rolling device and a using method thereof. The device comprises a workbench, a moving device, a rolling device and a lower die plate, the moving device is mounted at the upper end of the workbench, the rolling device is arranged inside the moving device, the lower die plate is mounted at the upper end of the workbench in a threaded connection mode, and the lower die plate is located in the moving device. According to the workpiece surface plastic deformation rolling device and the using method thereof, the problems that when existing color steel tile machining equipment is used for machining a steel plate, the color steel tile only can be formed through rolling of five to six times usually during rolling machining of one color steel tile, the forming process is tedious, the machining efficiency is low, in the case of the existing color steel tile machining equipment, one piece of rolling equipment usually only can be usedfor machining the color steel tile with one wave shape, and the surface of the steel plate is prone to be scratched in the rolling machining process of the color steel tile, so that the surface of the color steel tile is prone to be rusted can be solved.

The invention discloses a sealing method of a steel-frame reinforced plastic composite pipe, comprising the following steps: grinding the end surfaces to be smooth, removing a pipe material (1), a plastic pre-heating ring (2) and a plastic sealing ring (4) of an oxidation layer, installing on a welding machine and clamping and keeping the end surfaces to be aligned; using a milling cutter to millthe end surfaces of the sealing ring to be melted; installing a heating plate (3) between the plastic pre-heating ring (2) and the plastic sealing ring (4), and applying pressure of 0.15MP; heating the heating plate (3), releasing pressure when the temperature of the steel-frame composite pipe end surface plastic is 210+/-10 DEG C, and drawing the heating plate (3) fast; stably closing the pre-heating ring and the sealing ring; and disassembling the clamp after the cooling nominal wall thickness/2 of the melted areas adds ten minutes, and taking out the pipe material. The stability of sealingquality of the pipe material and the leakproofness of the pipe system are respectively and obviously improved, the used staffs and the equipment in the procedure of sealing are obviously reduced, thusleading the sealing cost of the pipe material to be obviously reduced.

The invention relates to a growth-promoting adhesive sleeve stuck around the joint between an oriental blueberry stem stock and a grafted blueberry shoot or branch, which belongs to the technical field of emerging applications of fruit trees. An oriental blueberry is planted in suitable soil, the root system of the oriental blueberry grows in the soil and absorbs moisture and nutrient, the upper end of the stem of the oriental blueberry is cut into a slope, the lower end of a chosen blueberry stem as thick as the stem is cut into a slope, the xylems and phloems of the slopes of the two stems need to be tightly butted as the slope of the oriental blueberry stem is butted with the slope of the blueberry stem, the growth-promoting adhesive sleeve is stuck around the butt joint between the slopes, i.e., a surface plastic protective film of the growth-promoting adhesive sleeve is first torn off, a middle adhesive layer attached on a bottom air-permeable fabric layer is stuck around the joint along with the bottom air-permeable fabric layer, auxin and nutrient elements contained in the adhesive can permeate onto the slopes to promote the healing of the cambium of the stock and the graft, and thereby the survival rate of the blueberry shoot or branch grafted on the oriental blueberry stock can be increased.

The present invention discloses a production method of elastic metal plastic bush. It is characterized by that said production method includes the following steps: on the metal wire elastic pad making bush surface in which a surface plastic layer is inlaid; placing the bush surface in a closed container, under the condition of that vacuum degree is 6-15 Pa soaking the metal wire elastic pad in liquid soldering material to make the soldering material be filled into pores in the metal wire elastic pad, then soldering the bush surface containing soldering material on the steel bush base.

The present invention discloses an environment-protecting type elastic metal plastic bearing liner. It includes steel brearing base, on the steel bearing base a metal wire elastic pad is firmly combined, on the metal wire elastic pad a surface plastic layer is inlaid, the described surface plastic layer is made of modified polytetrafluoroethylene powder material, said powder material is prepared by using (by wt%) 2-8% of aramid fibre, 20-30% of polyphenyl ester or polyimide and the rest is polytetrafluoroethylene.

The invention discloses a construction art for rebuilding a broken inherent stress system after breaking a built inherent stress system in a reinforcement concrete structure, comprising the steps as removing a former broken inherent stress cable via an anchorage, stripping a surface plastic hood of a new inherent stress cable with same size and intensity of the former broken inherent stress cable, preparing a reinforcement with smaller diameter to the diameter of the former broken inherent stress cable, wherein the length of the reinforcement should be more then the cable of 50cm, and pulling out the former broken inherent stress cable, inserting the reinforcement into a former structure pore path, welding one end of the new inherent stress cable with one end of the reinforcement, connecting another end of the reinforcement with a chain block and pulling the reinforcement, inserting the new inherent stress cable into a hole via the reinforcement in the hole, extending the new inherent stress cable to meet a former design stress of a single cable and then anchoring.

The invention relates to a device and method for controlling the thickness and flatness of a concrete floor. The device is characterized in that concrete is poured into a mould to form a concrete cylinder, an iron nail is inserted into one end of the concrete cylinder, the head of the iron nail is exposed out of the concrete cylinder, and the height of the concrete cylinder is the thickness of a to-be-poured concrete floor. A manufacturing method of the device includes: pouring high-grade fine-aggregate concrete or micro-expansive fine-aggregate impermeable concrete into the mould until the concrete is parallel with a plastic tube; before the final set of the concrete, inserting the tail of the iron nail into the concrete at the opening of the tube, removing the surface plastic-tube mould 48 hours after the final set of the concrete, and continuously performing moist curing for 7 days. The method for controlling the thickness and flatness of the concrete floor includes: after a floor template is set and board reinforcing steel bars are bound, mounting the concrete thickness control device on the surface of the floor template according to controllable gap requirements so as to control the thickness of the concrete floor during concrete pouring. The practical device is simple in structure, convenient to manufacture and mount and controllable in quality.