2914results about How to "Beautiful shape" patented technology

A delicious candy in which crystallized xylitol has been molded in a desired shape and which has a beautiful shape and gives a cooling feeling attributable to xylitol; and a process by which the candy can be easily and industrially continuously produced. The novel candy (1) has a layered constitution which comprises two opposed candy part layers (3) and, sandwiched between these, a xylitol crystal part layer (2) comprising xylitol as the main component, at least one ingredient selected among monosaccharides, disaccharides, and sugar alcohols obtained by reducing these, and a viscosity-lowering agent as essential components, the at least one ingredient and the viscosity-lowering agent being contained in given amounts based on the xylitol as the main component.

The invention relates to a welding wire, in particular to a welding wire applying to austenitic submerged arc welding for low-temperature equipments, in terms of chemical composition and weight percent, comprising Cr: 19.0 to 23.0%, Ni: 9.0 to 12.0%, C: <=0.03%, Mn: 1.60 to 2.50%, Si: 0.30 to 0.60%, Mo: <=0.30%, Cu: <=0.30%, Co: <=0.20%, Ti: <=0.015%, Nb: <=0.05%, V: <=0.10%, B: <=0.005% and Fe as allowance. The welding wire has the advantages that: the welding wire steelmaking craft is stable; the drawing performance is good; the invention meets the welding technical requirements of the high-intensity, high-toughness and anti-corrosion steel with low temperature and low temperature equipments; the invention can apply to the steel of 500 to 750MPa strength level; the invention is suitable for large range of welding current and no blowhole; the moulding is beautiful; the weld joint can be well matched with the base material.

The invention discloses a high-strength and high-tenacity gas shielded welding wire. The welding wire comprises the following chemical composition in percentage by mass: 0.02 to 0.12 percent of carbon (C), 1.20 to 2.10 percent of manganese (Mn), 0.20 to 1.00 percent of silicon (Si), less than or equal to 0.010 percent of sulfur (S), less than or equal to 0.015 percent of phosphorus (P), 2.00 to 3.50 percent of nickel (Ni), 0.20 to 0.80 percent of molybdenum (Mo), 0.20 to 0.30 percent of titanium (Ti), 0.60 to 1.20 percent of chromium (Cr), less than or equal to 0.05 percent of vanadium (V), 0.005 to 0.010 percent of boron (B), less than or equal to 0.015 percent of aluminum (Al), less than or equal to 0.35 percent of copper (Cu) and the balance of iron (Fe). The welding wire is used for welding steels of a strength grade of between 850 and 950MPa; and under the protection of a mixed gas (80 percent of argon (Ar) and 20 percent of carbon dioxide (CO2)), the weld metal tensile strength of the welding wire is more than or equal to 850MPa, the yield strength is more than or equal to 720MPa, the elongation is more than or equal to 22 percent, and the low-temperature impact toughness Akv is more than or equal to 181J at the temperature of -30 DEG C, or more than or equal to 175J at the temperature of -40 DEG C, or more than or equal to 162J at the temperature of -50 DEG C.

The process of producing aluminum plate-fin heat exchanger includes the steps of blanking, washing, mounting, brazing, argon arc welding and pressure test. The present invention adopts numerically controlled lathe with high machining precision for blanking; ultrasonic washing for high washing efficiency and high washing quality; continuous high purity nitrogen protected brazing for high brazing quality; and argon arc welding with welding robot for high welding quality and high production efficiency.

A multi-purpose vehicle used as ordinary car, environmental sanitation car and digger is composed of main vehicle body, digger, grasp mechanism, load-bearing unit, sucking unit, sprinkler, and hoister. Said digger can also be installed to ship. A mechanical arm is also disclosed, which features that it has spherical joint, both axial and radial rotary unit, and the drivers in both direction of an arm segment.

The invention relates to a multifunctional digitized welding machine, which comprises a full-bridge type inversion main circuit, a control circuit and a soft switch PWM (Pulse-Width Modulation) driving circuit, wherein the full-bridge type inversion main circuit is composed of an IGBT (Insulated Gate Bipolar Translator); the soft switch PWM driving circuit of a symmetric carrier is based on a CPLD (Complex Programmable Logic Device) or FPGA (Field Programmable Gate Array); the inversion main circuit comprises a rectifying filtering module, an IGBT full-bridge inversion module, a main transformer and a secondary rectifying filtering module; the control circuit comprises a DSP (Digital Signal Processor) control processor, a manual idle-dropping circuit, a regulating, detecting and sampling circuit for a feedback current and voltage signal outputted by the welding machine, a collecting and setting circuit for a feeding speed and given voltage of the welding machine, a display circuit for an interface and parameter of an external keyboard and a communication circuit connected to a PC (Personal Computer); the regulating, detecting and sampling circuit for the feedback current and voltage signal outputted by the welding machine comprises a Hall voltage sensor for detecting a feedback arc voltage outputted by the welding machine and a Hall current sensor for detecting an output current of the welding machine; and the collecting and setting circuit for the feeding speed and given voltage of the welding machine comprises a collecting circuit for a given voltage and given current, namely the feeding speed, on a panel of a feeder.

The invention discloses a preparation technology of camomile tea. The preparation technology comprises the following steps: a manually or mechanically cleaning the surface of picked citrus fruit with clean water; b airing, naturally blowing or heating to 30 DEG C and drying; b uncapping, forming an open hole in the position of the bottom of the citrus fruit, and dividing the citrus fruit into two parts, namely a bottom cover and a fruit shell; d digging out pulp in the fruit shell; e filling tea, fully filling the fruit shell with the tea; f capping, closing the open hole in the bottom cover left while uncapping, pushing into the pulp with proper force to encircle the bottom cover with the edge of the open hole in the fruit shell; g drying, putting the capped semi-finished product into a drying oven, drying and controlling the temperature at 30-50 DEGC; and h packaging, namely packaging into goods and delivering. The camomile tea prepared by the preparation technology is vivid in color, full and mellow in appearance, and free of a visible damage, has the advantages of practicability and ornamental value.

The invention relates to a pen type interactive system based on projection, comprising an infrared projection scanning system, a projector, a projection screen, an interactive pen and a wireless communication receiving module. An infrared projection scanning module projects an infrared coding image used for tracking an object, and the projector also projects a display image designated by a customer to the projection screen; the interactive pen moves on the projection screen, and an infrared light signal is received through a sensor in the pen and transmitted to the wireless communication receiving module through a wireless transmitting part after data processing; and the receiving module is connected with customer premise equipment to complete interaction. The interactive system can meet the requirements of large-area interaction and accurately track and position the interactive pen. Based on the accurate tracking and positioning of the interactive pen and the identification function, the realistic interactive effect of brush pen writing is realized by designing the pen point.

The invention relates to a method for combined welding of an austenitic stainless steel moderate thickness plate. The method comprises the steps of opening a V-shaped groove at the position of the to-be-welded butt joint surface of austenitic stainless steel; polishing and cleaning the surface of a to-be-welded workpiece and the position of the V-shaped groove; performing gapless tight fixed assembly of the workpiece, performing spot welding fixation on a run-on plate, an arc blowout plate and a test plate; pre-leading in protective gas prior to butt welding, guaranteeing that sufficient protective atmosphere is formed on the surface of the stainless steel groove and the bottoms of the weld joints; adopting pulsed plasma arc welding to perform bottoming welding; adopting low carbon welding wires to perform cosmetic welding of pulse wire filling argon tungsten-arc welding, performing the bottoming welding of the pulsed plasma arc welding and cosmetic welding of the pulse wire filling argon tungsten-arc welding simultaneously, and cooling the workpiece while performing the welding. The PC-PAW bottoming welding is adopted, the micropore effect is utilized to achieve one-side welding and double-sided free forming of the moderate thickness plate, the backs of the weld joints are smoothly formed and are free of cracks and edge snapping defects, the process is stable and easy to achieve, and the quality is reliable.

The invention relates to a welding technique in equipment manufacture industry, which is a welding speciality technique of a welding casing of an MCL-typed horizontal cutting centrifugal compressor, in particular to a welding process of the welding casing of the centrifugal compressor with low-temperature steel 09MnNiDR material at -70 DEG C. The gas protection welding is adopted; the welding wire grade is HS09MnNiDR and the diameter of the welding wire is Phi1.2mm; the polarity of the power supply is reversed DC power. The invention comprises a processing before welding, a welding process and a processing after welding; wherein, the process parameters in the welding process are that the welding current ranges from 150A to 200A, the welding voltage ranges from 24V to 28V, the protection gas is the mixed gas with 80% of Ar and 20% of CO2 according to the volume percentage, the welding speed ranges from 250mm / min to 280mm / min, the dry elongation ranges from 10mm to 15mm, and the gas flux ranges from 20L / min to 25L / min. The welding wire of the gas protection welding of the invention is not required to be dried, the welding wire is automatically fed in the welding process, and a welding rod is not required to be replaced; as the heat of the MAG melting polar gas protection welding is concentrated, the invention has the advantages of narrow thermal effect area, little deformation, beautiful forming, good quality, low cost, fast welding speed, high welding efficiency, etc.

This invention relates to a kind of automobile hub of magnesium alloy and producing metho. It belongs to the die-casting technology of non-ferrous metal. The main raw material is magnesium alloy ingot. After preheating and drying, it is put in pot and melted under high temperature. Adding master alloy, mixing it fully. The following steps are refining and degassing, casting, heat treatment, machining, surface painting, drying, japanning. During the process, the degassing can reach standard easily. Magnesium liquid slag-removing is easy.

The invention discloses a resurfacing welding used drug cored steel strap and the preparation method. The steel strap is prepared from a mild steel strap and drug powder enwrapped therein, the shape of the steel strap is a tube with the longitudinal cross-section to be in a long and flat shape or in a similar rectangle shape, the longitudinal length can be determined randomly, and the transverse sides of the steel strap are connected in a seam manner or a related joint manner; the drug powder is uniformly filled in the tube rolled from the steel strap, wherein the particle diameter of the drug powder is smaller than 120 Mum, the components include (by weight) 45-70 parts of high carbon ferrochrome, 5-35 parts of ferrovanadium, 1-8 parts of No.75 ferrosilicon, 1-10 parts of high carbon ferromanganese, 2-16 parts of ferroboron, 1-8 parts of ferrotitanium, 0-5 parts of ferroniobium, 2-8 parts of ferromolybdenum, 0-10 parts of graphite, 0-5 parts of fluorite and 0-6 parts of potassium titanate. The drug cored steel strap adopting the invention can efficiently improve the abrasion resistance of the metal on the resurfacing welding layer and the stability of the electric arc, and can be coiled into coils, thereby being suitable for continuous automatic resurfacing welding.

The invention relates to the field of illuminating lighting fixtures, and provides a light-emitting diode (LED) lamp bulb. The LED lamp bulb comprises a lamp cap, a lamp shell, a constant current power supply, at least two guide lines, a lampshade and an LED light source. The LED light source between the two guide lines is located in an inner cavity of the lampshade; the LED light source comprises a chip, fluorescent powder and a flexible printed circuit board (PCB); the flexible PCB is made of circuits printed on a polyimide or polyester film substrate and is in transparent or semitransparent shape, light transmittance of the flexible PCB is at least 40 %, and temperature resistance range of the flexible PCB is between minus 45 DEG C and 300 DEG C; and the diameter of the LED light source is within 1.5 millimeters. The LED lamp bulb has the advantages of being ingenious in structure, high in light using efficiency, and low in production cost.

The invention provides a plasma-melting electrode electric arc dynamic composite welding device and a welding method thereof. A plasma arc welding gun is combined with a melting electrode electric arc welding gun to obtain a composite welding gun; the two electric arc welding guns are respectively connected with a negative pole of a direct-current pulsed plasma arc welding power supply and a positive pole of a direct-current pulsed melting electrode arc welding power supply and are also connected with a negative pole and a positive pole of an argon arc welding power supply (a TIG power supply); and a negative pole of the plasma arc welding power supply and a positive pole of the melting electrode arc welding power supply are connected with a workpiece. In order to prevent electromagnetic interference between a plasma arc and a melting electrode electric arc during welding, a pulsed coordination control method is used, namely, when melting electrode electric arc current waveform is a pulsed basic value pilot arc, the plasma arc is a pulse peak value, and welding is carried out; and when plasma arc current waveform is a pulse basic value, the melting electrode arc is pulse peak value welding current, and so forth. By the plasma-melting electrode electric arc dynamic composite welding device and the welding method thereof, the problems that electromagnetic interference between electric arcs is large, parameters are adjusted complexly, and electrodes are burnt down severely are solved.

The invention discloses an all-position automatic welding method for a pipeline circumferential weld and belongs to the technical field of pipeline circumferential weld welding. The method includes the following steps that firstly, steel pipes needing welding are machined to be provided with groove end faces; secondly, welding technology parameters are typed in a controller program according to the preset welding technology; thirdly, the two welded steel pipes are assembled; fourthly, one of the steel pipes is provided with a welding rail; fifthly, the welding ends of the two steel pipes are preheated before welding; sixthly, a single welding torch is used for performing root welding on grooves; seventhly, a double welding torch is used for performing hot welding, filling welding and cosmetic welding on the grooves. According to the all-position automatic welding method for the pipeline circumferential weld, due to the fact that the groove type is designed, the root welding technology, the filling welding technology and the cosmetic welding technology are adopted, the defects that in the prior art, the welding efficiency is low, a large number of welding materials are consumed, a large number of weld defects exist, the welding joint performance is poor, and the requirement for the operating skills of welders is high; or welding equipment is high in cost, and operating and maintaining are difficult are overcome.

The invention relates to a range hood, which especially relates to an air inlet structure of the range hood. Aiming to the incomplete smoke and oil suction shortcoming of the range hood of the prior art, the invention discloses a range hood which has both the advantages of a top inlet range hood and a side inlet range hood. The invention has the technical scheme that the top-side range hood comprises a panel, a smoke collection cover and a blower; the panel is connected with the smoke collection cover; the panel comprises a lateral panel and a top panel; a lateral air inlet is mounted on the lateral panel; and a top air inlet is mounted on the top panel. The invention has the beneficial effects that the range hood has the shore distance smoke and oil suction effect of the side inlet range hood and effectively solves the upward escaping problem of the residue smoke and oil of the side inlet range hood; the range hood has both the advantages of the top inlet range hood and the side inlet range hood with a more complete smoke and oil suction effect; the range hood is also characterized in the avoidance of head hitting and oil dripping and the beautiful appearance.

The invention discloses a method for cultivating live glossy ganoderma dish garden which comprises feed proportioning, sacking, sterilizing, inoculating, developing bacterium, carrying out human control modeling through adjusting light rays, temperature, air, moisture and grafting, wherein the growing conditions for the mycelium and fruiting body are controlled, and the spore powder is collected when ejecting, and the modeled live lucid ganoderma is immigrated into the flower bowl.

The invention discloses a modeling pruning machine. The pruning machine is arranged on a locomotive, and comprises a base, a lifting support, a transverse connecting device, a rotating device, a longitudinal connecting device and a shearing device. The base is fixedly connected with the locomotive. The lifting support is connected with the base in a rotating mode. The transverse connecting device is movably connected with the lifting support. The rotating device is arranged at the end of the transverse connecting device in a sliding mode and can do rotating motion along the horizontal panel. The upper end of the longitudinal connecting device is connected with the rotating device in a rotating mode. The shearing device is arranged at the lower end of the longitudinal connecting device. An angle adjusting device is arranged on the shearing device. The modeling pruning machine can achieve 360-degree modeling of a hedge or a tree within the 360-degree range, the hedge modeling is beautiful, pruning dead angles do not exist, pruning of various kinds of modeling can be carried out on a plane, a cone, a cylinder, a slope and a polygon of the hedge or the tree, the structure is simple, and the cost is low.

The invention relates to a method for manufacturing low bitter hu pomelo honey tea beverage, which comprises the following steps of: taking whole fruits of hu pomelos as a raw material, performing washing and debittering treatment on the outer skin of the hu pomelos first, then separating fruit peels and fruit pulps, further performing debittering treatment on the fruit peels after the shredding, mixing the fruit pulps after the mesocarp removal and pulping with the fruit peels according to the proportion, then adding a sweetening agent, a sour agent, carrot paste, a debittering agent, a stabilizing agent and the like into the mixture, and then producing qualified products through technological processes such as concentration, canning, sealing, sterilization, cooling and the like. The method does not adopt a method for removing bitter substances in the hu pomelos, but adopts reasonable process conditions and formula design, effectively reduces the concentration of the bitterness particularly through two debittering processes, ensures that the product has good mouthfeel, and better retains nutrient substances and bioactive substances in the hu pomelos.

The invention discloses a steel box girder matched with a cellular steel web plate. The steel box girder comprises two H-shaped steel or I-shaped steel used as web plate components of the steel box girder, further comprises a steel top plate, a steel bottom plate, a clapboard and a reinforcing rib and is characterized in that a plurality of through holes of the same shapes and intervals are formed in two web plates; the steel top plate and the steel bottom plate of the steel box girder are fixedly connected with upper flanges or lower flanges of the web plate components respectively; and a certain number of transverse clapboards and the reinforcing rib are configured. Compared with a solid web steel box girder, the cellular steel box girder disclosed by the invention has the advantages that the resistance capacity and bending resistance rigidity can be increased by about 30% under the condition of same steel use amount; the torsional rigidity of the cellular steel box girder is also greatly increased; simultaneously, the overall stability of the web plate cellular component and the local stability of an overhung flange of the box girder are improved; the use amount of steels is reduced, so that the cost is reduced; and furthermore, the steel box girder disclosed by the invention is attractive in appearance and convenient to maintain.

A bladeless fan comprises a spraying nozzle (1) and a device for generating airflow passing through the spraying nozzle, the spraying nozzle comprises a shell (3) roughly in the shape of a sphere, a cavity (4) located in the shell, and an exhaust port (5) formed in the shell, wherein the shell is provided with a pit (12) located on the downstream portion of the exhaust port. Transmission loss of airflow of the fan is low, and the fan is beautiful in shape.

An electronic cigarette is provided, comprising: a battery sleeve, an outer tube, an internal threaded sleeve, an external threaded sleeve and an upper electrode; the upper electrode defining a first through hole therein, the external threaded sleeve defines a second through hole therein, the internal threaded sleeve includes a barrel and a ring step formed relative to a periphery of barrel, the ring step includes an upper end surface and a lower end surface, the upper end surface is a wave-shaped end surface, the lower end surface resists and is connected with the battery sleeve, an air admission passage is formed at a point between the upper end surface and the external threaded sleeve, and the air admission passage, the second through hole and the first through hole form an air flow loop. Thus the threaded copper component does not form sharp angles and is prevented from hurting users' bodies.

The invention belongs to the field of textiles and provides a structure and a production method of a weft-knitted jacquard shoe upper material. According to the weft-knitted jacquard shoe upper material, terylen low-melting-point color filaments with skin-core structures are adopted, the meshes, esthetic appearance and air permeability of the shoe upper material are realized by utilizing air-layer jacquard tissues as fundamental tissues, loop accumulation tissues or loop transfer tissues on a dual-way jacquard dual-side loop transfer round weft machine; by virtue of cooperation between colors and structural jacquards, functional sections of the shoe upper material are realized; during aftertreatment, a skin layer is fused at a certain temperature under a certain pressure, so that dual-side weft-knitted jacquard shoe upper fabric loops are mutually glued, then cooled and solidified, so that the shoe upper material with appropriate rigidity and hand feeling is obtained; spandex can also be added, so that the elasticity and the density of the fabric are enhanced. The weft-knitted jacquard shoe upper material is variable in pattern, color and style, beautiful in appearance, portable and flexible, favorable in air permeability and comfort in wear; traditional working procedures of cutting, sewing, bonding and the like for shoe materials are not needed, so that the equipment investment and the labor cost are lowered.

Disclosed is a welding method for a high-temperature titanium alloy thin-wall casting electron beam. High-temperature titanium alloy is preheated, subjected to heat preservation and then welded. A weld joint can obtain high energy through preheating before welding. A molten pool can be pushed forwards continuously during welding, so that the shape of the weld joint is beautiful. In addition, the area scanned by preheating before welding is larger than that obtained during welding, thus the structure of a weldment weak link, namely a heat affected zone, is heated, the temperature gradient of the weld joint and the heat affected zone is reduced, thus the structure in the heat affected zone can achieve smooth transition, and the influence caused by incoordinate deformation is weakened. For a thick weldment, the condition of incomplete melting of the weld joint can be avoided through preheating before welding. The area scanned by postweld heat treatment is the same as that of preheating before welding, the cooling rate of the weld joint and part of the heat affected zone is lowered, many acicular martensite and widmannstatten structures are prevented from being generated, and the quality of the weld joint is improved obviously.

The invention relates to a submerged-arc welding flux for low-alloy-steel narrow-gap welding and a preparation method thereof. A high-alkalinity MgO-CaO-Al2O3-CaF slag system is adopted, and the submerged-arc welding flux is mainly made from raw materials including calcium fluoride, aluminum oxide, wollastonite, marbles, silicon iron and ferromanganese iron. The preparation method of the submerged-arc welding flux mainly comprises the steps of 1 dry mixing in proportion, 2 impurity removal, 3 bonding agent adding for wet mixing and 4 baking and high-temperature sintering. The alkalinity of the welding flux ranges from 2.0 to 3.0, low-hydrogen and low-oxygen deposited metal containing ultra low P and S impurity contents can be obtained through welding, and accordingly it can be ensured that the deposited metal has excellent comprehensive mechanical property. When the submerged-arc welding flux is matched and welded with a low-purity low-alloy steel welding wire, S and P are not added into the deposited metal by adopting the welding flux. The submerged-arc welding flux has excellent alloy transition capacity.

An irregular oblique-crossing web-shaped grillage beam hyperbolic roof structure construction method comprises the steps of construction preparing, secondary conversion of design drawing, lofting grillage beam ground projection axis measuring, steel pipe buckling piece all-round scaffold supporting system erecting, grillage beam bottom wood ridge lower support horizontal rod elevation giving off, wood ridge binding and bottom plate paving on a supporting horizontal rod, given-off roof beam position measuring, bound grillage beam steel rib machining, grillage beam grillage side mould mounting and reinforcing, grillage beam top plate mounting and reinforcing, face plate steel rib binding and hyperbolic roof concrete pouring. Through a space three-dimensional technology, a reasonable supporting system and accurate location of a hyperbolic roof and a grillage beam, the concrete mixing proportion is optimized, the quality and the attractive degree of the hyperbolic roof can be improved, construction difficulty is lowered, and construction efficiency is improved.

The present invention relates to a micro titanium-boron high-toughness gas shielded welding wire, its chemical components (wt.%) are: C 0.03-0.10, Mn 1.00-1.80, Si 0.20-1.00, Ni 0.50-1.40, Ti 0.10-0.20, B 0.002-0.010, S less than or equal to 0.10, P less than or equal to 0.20 and the rest being Fe and other unavoidable impurity. When the welding wire is used to make protective welding by adopting mixed gas (80% Ar+20% CO2), the wield metal tensile strength is greater than or equal to 580 Mpa, -30 deg.C impact work Akv is greater than or equal to 80J, and it adapts to all-position welding. This invented welding wire possesses excellent processing property, and is suitable for gas protective arc welding of large-type structures of 600 MPa level low-alloy high strength steel, engineering machine, railway bridge, marine installation, high-pressure container and oil-gas transmission pipeline, etc.

The invention discloses a combined type integrated box room and belongs to the technical field of movable rooms. The combined type integrated box room comprises a standard box body room, a main frame of the standard box body room comprises stand columns and beams, and the main frame is formed by welding rectangular tubes. Peripheral wall plates embedded into the main frame are fireproof plates, and a bottom plate is a fiber cement pressure plate. A top plate comprises an inner-layer fireproof plate which is horizontally laid and an outer-layer waterproof plate which is obliquely laid. The top beam of at least one side of the standard box body room is a gutter beam. The combined type integrated box room has the better bearing capacity, the fireproof performance, the heat insulation property and the sound absorption and noise lowering effect, installation is convenient, the plate shape is beautiful, construction operation is simpler and faster, and working efficiency is improved.

The invention discloses a process for processing a roast chicken. The process comprises the steps of selecting materials, slaughtering, unhairing, eviscerating, injecting, salting, pinning the chicken, shaping, frying the chicken, boiling the chicken and the like. The roast chicken prepared by the process has the characteristics of neatness, no hair, complete body, attractive shape, shiny and glossy surface, soft and tender flesh, delicious taste, strong fragrance, and rotten, deboned, fatty but not greasy flesh. Chewing the bones of the chicken, lingering fragrance exists. The roast chicken is uniform in salinity, is palatable, can be cold or hot food and is suitable for both the elderly and the young.

The invention discloses a novel resurfacing welding cored welding strip which consists of a steel tube circled by steel strips and drug powder wrapped in the steel tube, the steel strips comprises an upper steel strip and a lower steel strip which can be purchased in the market. The shape of the steel tube circled by steel strips is that the longitudinal cross section is long flat form or rectangle-like shape, the longitudinal length is determined at will, and the steel tube can be cut out at will or winded into a tray according to requirements. The transverse edges of the upper steel strip and the lower steel strip are connected at the upper steel strip side in a related joint form, and the drug powder is filled in the steel tube circled by the steel strips evenly with the filling rate being 20-80%. According to the different types of resurfacing metals, the content of alloy element in the resurfacing welding cored welding strip is different. The cored welding strip has simple production equipment and technique, and low production cost, thus overcoming the defect that alloy welding filament used for filament resurfacing welding is difficult to produce and the problems of large investment on production equipment, high production cost and expensive price in cored welding filament production.