Constantan Precision Resistance Alloy Strip Constantan precision resistance alloy strip is a precision alloy primarily composed of copper and nickel, containing 55%-60% copper and 40%-45% nickel . It features an extremely low temperature coefficient of resistance (≤± 20×10⁻⁶/ °C) and stable resistance performance. It is widely used in precision resistors, strain gauges, and instrumentation, serving as a resistance element forMore

Steel tape for armored cables Armored cable steel tape is a protective steel tape wrapped around the outer layer of the cable. The armor layer is formed through spiral winding or longitudinal wrapping. Its high strength and corrosion resistance provide mechanical protection for the cable, preventing extrusion, stretching, and abrasion during installation and use. It is widely used in powerMore

Aluminum and aluminum alloy foil for cardboard Aluminum and aluminum alloy foil for cardboard is an ultra-thin aluminum foil material laminated to the surface of cardboard. Aluminum foil cardboard is formed through a composite process. It combines the metallic luster and barrier properties of aluminum foil with the rigidity and ease of processing of cardboard. It is widely used inMore

Carbon steel cold-rolled strip for metal hose Cold-rolled carbon steel strip for metal hoses is a high-precision, cold-rolled steel strip used in the manufacture of metal hoses (such as bellows and braided hoses). Its excellent plasticity, toughness, and surface quality allow it to be formed into flexible tubular structures through cold working. It is widely used in automotive, machinery, aerospace,More

Cold-formed hollow steel sections for structures Structural cold-formed hollow steel sections are hollow sections formed from steel strips or plates through a cold-bending process. These sections are available in a variety of shapes, including square, rectangular, circular, and special-shaped. Due to their rational cross-sections, light weight, and high strength, they are widely used in steel structure construction, machinery manufacturing, transportation,More

High-strength weather-resistant welded steel pipe for structures High-strength, weather-resistant welded structural steel pipe combines high strength and weather resistance. By adding alloying elements such as chromium, nickel, and copper to the steel to form a dense oxide film, this pipe effectively prevents rust. Widely used in outdoor structures such as bridges, buildings, and municipal engineering projects, it is particularly well-suitedMore

Stainless steel welded pipes for building decoration Stainless steel welded pipe for architectural decoration is a tubular material formed by welding stainless steel strips. Due to stainless steel’s corrosion resistance, aesthetics, and ease of processing, it is widely used in decorative applications such as building railings, handrails, curtain wall frames, and interior partitions. Its diameter typically ranges from 16-219mm, withMore

Aluminum-plastic composite panels for building curtain walls Aluminum-plastic composite panels for building curtain walls are decorative panels composed of two layers of aluminum alloy sheets (0.2-0.5mm thick) with a polyethylene core layer. Due to their lightweight, decorative, and weather-resistant properties, they are widely used in building exterior curtain walls, interior decoration, billboards, and other fields. Typical sizes are 1220mm ×More

Cold-formed rectangular steel pipes for building structures Cold-formed rectangular steel tubes for building structures are formed by cold-bending steel strips into rectangular cross-sections. Due to their excellent mechanical properties, light weight, and convenient construction, they are widely used in load-bearing components such as beams, columns, and trusses in steel structures, making them a key material for modern industrialized construction. TheirMore

Extruded zinc-nickel copper rod Extruded white copper rod is an alloy primarily composed of copper, nickel, and zinc, produced through a hot extrusion process. Its excellent corrosion resistance, silvery-white appearance, and good processability make it widely used in instrumentation, medical equipment, decoration, electronics, and other fields. Its diameter typically ranges from 5 to 150 mm and its length ranges fromMore

Extruded tin bronze rod Extruded tin bronze rod is a copper-based bronze bar containing 3%-14% tin. Produced through a hot extrusion process, it exhibits excellent wear and corrosion resistance, as well as good mechanical properties. It is widely used in wear-resistant components such as bearings, bushings, and gears, as well as structural components used in corrosive environments such as shipbuildingMore

Extruded ordinary brass rod Extruded brass rod is an alloy primarily composed of copper and zinc, produced through an extrusion process. Due to its excellent mechanical properties, processing capabilities, and cost-effectiveness, it is widely used in hardware, machinery manufacturing, architectural decoration, and other fields. Its diameter typically ranges from 5 to 200 mm, and lengths can be customized (1 toMore

Extruded aluminum bronze rod Extruded aluminum bronze rod is a copper-based bronze bar containing 8%-12% aluminum. Produced through a hot extrusion process, it boasts exceptional strength, corrosion resistance, and wear resistance, making it widely used in heavy machinery, mining equipment, petrochemicals, marine engineering, and other fields. Its diameter typically ranges from 20-300 mm and its length from 3 to 8More

Extruded Silicon Bronze Rod Extruded silicon bronze rod is a copper-based bronze bar containing 2.5%-4.0% silicon. Produced through a hot extrusion process, it offers high strength, excellent corrosion resistance, and superior weldability. It is widely used in shipbuilding, chemical equipment, marine engineering, and other fields. Its diameter typically ranges from 15-200 mm and its length ranges from 3-6 meters. AMore

Extruded cadmium bronze rod Extruded cadmium bronze rod is a copper-based bronze bar with 1.0%-1.5% cadmium added. Produced through an extrusion process, it combines high strength, high conductivity, and good wear resistance. It is widely used in motor commutators, switch contacts, high-strength wire, and other fields. Its diameter typically ranges from 10-150 mm, and its length can be customized (1-6More

Stainless steel welded pipes for mechanical structures Stainless steel welded pipes for mechanical structures are stainless steel welded pipes used for structural parts such as machinery manufacturing, equipment frames, and transmission systems. Due to the corrosion resistance, high strength, and aesthetics of stainless steel, they are widely used in food machinery, medical equipment, chemical machinery, environmental protection equipment, and otherMore

Formed steel bars for concrete structures Formed rebar for concrete structures refers to rebar products, including stirrups, bent bars, and embedded components, that are factory-formed according to design requirements. Mechanized processing replaces traditional on-site fabrication, resulting in precise dimensions, consistent quality, and efficient construction. These products are widely used in concrete structures such as construction projects, bridge construction, and undergroundMore

brass strip Brass strip is a copper alloy strip material with copper as the base and zinc as the primary alloying element. Due to its excellent electrical and thermal conductivity, corrosion resistance, and processability, it is widely used in electronics, precision instruments, automotive manufacturing, decorative building materials, and other fields. Its thickness typically ranges from 0.05 to 3 mm andMore

Welded steel pipes for heat exchangers Welded steel pipes for heat exchangers are used to transfer heat in various types of heat exchangers (such as shell-and-tube heat exchangers, plate heat exchangers, and fin-tube heat exchangers). With excellent thermal conductivity, corrosion resistance, and cost-effectiveness, they play a core role in heat exchange systems in industries such as chemical, power, metallurgy, andMore

Cold-formed steel for guardrail corrugated beams Cold-formed steel for guardrail corrugated beams is a key steel material used in crash barriers for transportation facilities such as highways, railways, and bridges. Created through a cold-bending process, these beams possess a specific corrugated cross-section. Their excellent impact resistance, energy absorption, and weather resistance effectively absorb impact energy during collisions, protecting both vehiclesMore

Aviation heat dissipation copper tube Aviation copper heat sinks are critical for heat dissipation in aircraft components, such as aircraft engines and airborne electronic equipment. Thanks to copper’s excellent thermal conductivity, lightweight construction, and corrosion resistance, they efficiently dissipate heat generated by equipment in harsh environments such as high altitude, high temperature, and vibration, ensuring stable operation. They typically haveMore

Welded steel pipe Welded steel pipe refers to steel produced by joining steel plates or strips into a tubular shape through welding. Depending on the welding method and forming process, it can be divided into two categories: straight-seam welded steel pipe and spiral-seam welded steel pipe. It is widely used in water and gas transmission, building structures, machinery manufacturing, petrochemicals,More

Copper alloy seamless pipes for seawater desalination equipment Copper alloy seamless pipes for seawater desalination systems are used for heat transfer and transportation in desalination systems. Due to their excellent seawater corrosion resistance, good thermal conductivity, and processability, copper alloy plays a vital role in desalination systems such as reverse osmosis and multi-effect distillation. These pipes typically have an outerMore

Internal thread seamless steel pipe for high pressure boiler Internally threaded seamless steel pipes for high-pressure boilers feature spiral ridges on the inner wall. They are primarily used in the water-cooled wall systems of high-pressure boilers. The internal thread structure enhances fluid turbulence within the pipe, improving heat transfer efficiency and preventing film boiling. They are key components for ensuringMore

Steel plate butt-welded pipe Steel plate butt-welded pipe (also known as straight seam welded pipe) is manufactured by rolling steel plate or strip into a tubular shape using a forming machine, then butt-welding the seams. Due to its high production efficiency and flexible specifications, it is widely used in water and gas transmission, steel structures, machinery manufacturing, and petrochemical industries.More

Complex cross-section special-shaped steel pipe Complex cross-section special-shaped steel pipes refer to steel pipes with non-circular cross-sections, including square, rectangular, oval, I-shaped, horseshoe-shaped, and other irregular shapes. Produced through specialized rolling or welding processes, they are widely used in building structures, machinery manufacturing, automotive manufacturing, rail transit, and other fields. They come in a variety of sizes, ranging from smallMore

Forged steel bars Forged steel bars are solid bars made from steel billets through a forging process. Due to the refinement of metal grains and the resulting denser structure during the forging process, they exhibit higher mechanical properties than rolled products and are widely used in fields such as machinery manufacturing, aerospace, and petrochemicals. Diameters typically range from 50 toMore

Copper tape for cables Cable copper tape is a type of copper tape used as a shield, armor, or conductor for cables. Due to its high conductivity, ductility, and corrosion resistance, copper plays a vital role in power cables, communications cables, and specialty cables. Its thickness typically ranges from 0.1-2 mm and its width from 50-600 mm, and it canMore

Aluminum-magnesium alloy wire for cable shielding Aluminum-magnesium alloy wire for cable shielding is an aluminum-based, magnesium-added alloy wire primarily used in cable shielding. By confining electromagnetic fields to the cable interior or preventing external electromagnetic interference, it ensures stable signal or power transmission. It is widely used in communications cables, power cables, rail transit cables, and other fields. Its diameterMore

Aluminum foil for electrolytic capacitors Aluminum foil for electrolytic capacitors is the core material for manufacturing electrolytic capacitor electrodes. Due to the excellent conductivity, electrochemical properties, and easy processing of high-purity aluminum, it has become an indispensable key component in the fields of electronic information, new energy, and home appliances. This type of aluminum foil is usually divided into anodeMore

Seamless round copper tube for electrical conduction Seamless circular copper tubes for electrical conductivity are made from high-purity copper or copper alloys through extrusion and stretching processes. They offer excellent electrical and thermal conductivity, corrosion resistance, and mechanical properties, making them widely used in power generation, refrigeration, communications, aerospace, and other fields. These tubes come in a variety of sizes,More

Conductive copper rod Conductive copper rods are made from high-purity copper through processes such as extrusion, stretching, and annealing. Their copper content typically exceeds 99.5%, resulting in excellent electrical and thermal conductivity and processability. They are widely used in the electrical power, electronics, and machinery manufacturing sectors. These copper rods come in a variety of diameters, ranging from 5 mmMore

Conductive copper plate Conductive copper sheet is a plate-shaped conductive material made from high-purity copper through rolling, annealing, and other processes. Its copper content is typically above 99.5%, with some high-end products boasting purity levels exceeding 99.9%. Its exceptional conductivity makes it an irreplaceable asset in the power, electronics, and communications sectors. This type of copper sheet is available inMore

High cleanliness copper tube for refrigerator High-cleanliness copper tubes for refrigerators are core components of the refrigeration system, primarily used in the evaporator, condenser, and connecting lines. Their cleanliness directly impacts the refrigerator’s cooling efficiency and service life. Made from high-purity oxygen-free copper, these tubes feature smooth, impurity-free inner surfaces and undergo rigorous degreasing and cleaning processes. This effectively preventsMore

Carbon steel hot-rolled round steel and wire rod for standard parts Hot-rolled carbon steel round bars and wire rods for standard parts are essential raw materials in the machinery manufacturing industry and are widely used in the production of various standard parts, including bolts, nuts, and rivets. Made from carbon structural steel through a hot-rolling process, these products exhibit excellentMore

Copper strip for transformer Transformer copper strip is a key material in power transmission, and its performance directly impacts the transformer’s energy efficiency and safe operation. This type of copper strip is typically made from high-purity electrolytic copper and processed through multiple processes, including rolling and annealing, resulting in excellent electrical conductivity, mechanical properties, and corrosion resistance. Precisely laminated andMore

Galvanized steel wire for mesh fence Galvanized steel wire for wire mesh fencing is a low-carbon steel wire with a zinc coating. It offers excellent corrosion resistance, high strength, and good toughness, making it widely used in fencing applications in agriculture, animal husbandry, forestry, transportation, and municipal administration. Made primarily of low-carbon steel grades such as Q195 and Q235, withMore

Copper and copper alloy drawn rods Copper and copper alloy drawn rods are rod-shaped products produced through a drawing process. They feature high dimensional accuracy, excellent surface quality, and superior mechanical properties, making them widely used in machinery manufacturing, aerospace, instrumentation, and other fields. A wide variety of materials are available, including pure copper drawn rods (T2, T3), brass drawnMore

Copper and copper alloy strips Copper and copper alloy strips are metal strips with excellent properties. Based on copper, various alloys are formed by adding zinc, tin, nickel, and aluminum. These strips are widely used in electronics, electrical appliances, instrumentation, automotive, and other fields. Common varieties include pure copper strip (T2, T3), brass strip (H62, H65, H68), bronze strip (QSn6.5-0.1,More

Copper and copper alloy waveguides Copper and copper alloy waveguides are hollow metal conduits used to transmit electromagnetic waves, including microwaves and millimeter waves. They offer low loss, high power capacity, and excellent shielding properties, making them indispensable in radar, communications, satellites, and electronic countermeasures. Their primary materials are oxygen-free copper (TU1, TU2), phosphorus-deoxidized copper (TP1, TP2), and brass (H62,More

Copper and copper alloy flat wire Copper and copper alloy flat wires are rectangular or flat wire products with excellent electrical conductivity, large heat dissipation area, and high space utilization. They are widely used in motors, transformers, reactors, and magnet wire. Materials include pure copper (T1, T2), brass (H62, H65), and bronze (QSn4-0.3). Pure copper flat wire has a conductivityMore

Copper and copper alloy plates Copper and copper alloy plates are made from a copper base with alloying elements such as zinc, tin, lead, and aluminum. Their excellent electrical and thermal conductivity, corrosion resistance, and processability make them crucial in the electronics, power generation, aerospace, and construction industries. Common materials include pure copper plates (T2 and T3), brass plates (H62More

General cold-formed open steel General-purpose cold-formed open-section steel is an open-section steel produced through a cold-bending process. It features diverse cross-sections, precise dimensions, and high strength, making it widely used in construction, machinery manufacturing, automotive, warehousing, and other fields. This type of steel is available in various cross-sectional shapes, including C-, Z-, U-, and L-shaped sections. Custom cross-sections can beMore

Galvanized low carbon steel wire for communication lines Galvanized low-carbon steel wire for communication lines is a specialized material used in the production of communication cables, fiber optic cable reinforcements, and overhead communication lines. Featuring excellent conductivity, corrosion resistance, and mechanical properties, it plays a vital role in the construction of communication networks such as telecommunications, broadcasting, and the internet.More

Hot rolled steel sections for railway gauge plates Hot-rolled steel sections for railway gauge baffles are key components in railway track systems. They are primarily used to secure rail positions, adjust track gauges, and ensure train stability and safety. They are indispensable for track projects on conventional and high-speed railways. This type of steel is typically manufactured from carbon structuralMore

Aluminum alloy plates for railway freight cars Aluminum alloy sheet for railway freight cars is a specialized material used in the manufacture of components such as train bodies, chassis, and sidewalls. Featuring high strength, lightweight construction, and corrosion resistance, it significantly reduces freight car weight and improves load-carrying efficiency, playing a vital role in the modernization of railway freight transport.More

Cold rolled strip for double zero aluminum foil Cold-rolled strip for double-zero aluminum foil is a specialized raw material for producing aluminum foil with a thickness of ≤ 0.01mm (“double-zero” refers to two decimal places with zeros when expressed in millimeters). Featuring extremely high purity, uniform microstructure, and excellent plasticity, it is a high-end product in the aluminum processing industryMore

Brass strips for radiator water chamber and main plate Brass strip for radiator water chambers and main plates is a key material in automotive radiators. It’s primarily used to create the water chamber (liquid reservoir) and main plates (the component connecting the heat pipes to the water chamber). It requires excellent corrosion resistance, weldability, and formability, playing a vital roleMore

Brass strip for radiator cooling pipe Brass strip for radiator cooling tubes is a high-precision brass strip used in the production of radiator cooling tubes for automobiles, construction machinery, and other applications. It boasts excellent thermal conductivity, corrosion resistance, and formability, making it indispensable in the automotive industry, rail transit, and other fields. Primarily made from brass grades such asMore

Hot rolled wire rod Hot-rolled wire rod is a round steel product produced through a hot-rolling process. Supplied in coils, it features high strength, good ductility, and excellent workability, making it widely used in construction, machinery manufacturing, and metal products. Materials include carbon structural steel (such as Q235 and Q355), high-quality carbon steel (such as 45 steel), and alloy structuralMore

Hot rolled tin bronze plate Hot-rolled tin bronze sheet is an alloy sheet made from a copper matrix with added tin (typically containing 3%-14%). Produced through a hot-rolling process, it exhibits excellent wear resistance, corrosion resistance, thermal conductivity, and mechanical properties, making it widely used in machinery manufacturing, aerospace, and marine engineering. Tin bronze sheet with varying tin contents exhibitsMore

Hot rolled split T-shaped steel Hot-rolled split T-section steel is a hot-rolled steel with a T-shaped cross-section, formed by splitting H-section steel. It features excellent cross-sectional characteristics, stable mechanical properties, and easy installation, making it widely used in building structures, machinery manufacturing, bridge engineering, and other fields. Its cross-section consists of a web and flange, with a reasonable ratio ofMore

Hot rolled brass sheet Hot-rolled brass sheet is produced through a hot-rolling process. It exhibits excellent electrical and thermal conductivity, corrosion resistance, and processability, making it widely used in electronics, electrical appliances, bathroom fixtures, and decorative applications. The main brass sheet materials include H62, H65, and H59, with a copper content of 57%-65%, the remainder being zinc. Some grades incorporateMore

Hot rolled patterned steel plates and strips Hot-rolled patterned steel plates and strips feature a regular raised pattern on their surface. They combine anti-slip properties, load-bearing capacity, and decorative appeal, making them widely used in construction, transportation, machinery manufacturing, and other fields. The patterns come in a variety of shapes, with common ones including diamond, lentil, round bean, and checkered.More

Beryllium copper rods (wires) for electronic components Beryllium bronze rods and wires for electronic components are high-strength, elastic alloys based on copper with beryllium (1.6%-2.0%) and small amounts of nickel, titanium, and other elements. Due to its excellent conductivity, elasticity, wear resistance, and corrosion resistance, it is widely used in precision electronic components such as electronic connectors, switch contacts, andMore

Aluminum foil for electronic power capacitors Aluminum foil for electronic power capacitors is a key material for manufacturing electrodes for various capacitors. Leveraging its excellent conductivity, electrochemical properties, and ease of processing, high-purity aluminum provides energy storage and filtering functions in electronic devices and power systems. This type of aluminum foil is typically divided into anode and cathode foils, withMore

Nickel and nickel alloy wires for vacuum devices Nickel and nickel alloy wire for vacuum devices is a fine, filamentous material used in core components such as filaments, leads, and gates in vacuum electron tubes, ion tubes, and microwave tubes. Leveraging the excellent high-temperature resistance, low vapor pressure, and stable electrical properties of nickel and nickel alloys, they enable currentMore

Copper wire billets for electrical use Electrical copper wire billets are the fundamental raw material for producing various types of electrical copper wire. Made from high-purity copper, these billets are produced through continuous casting or upcasting to form round or shaped billets. They are widely used in the production of copper wire for applications such as wire and cable, motorMore

Copper and copper alloy busbars for electrical use Electrical copper and copper alloy busbars are key conductors for transmitting high currents in power systems. They are widely used in substations, distribution rooms, switchgear, and other locations, fulfilling the core function of collecting and distributing electrical energy. These busbars are made from high-purity copper (T1, T2) or copper alloys (such asMore

Electrical copper flat wire Electrical copper flat wire is a high-precision copper conductor with a rectangular or flat cross-section. It is widely used in the winding manufacturing of electrical equipment such as transformers, motors, and reactors. Its excellent conductivity and formability make it a core material for high-end electrical equipment. Specifications range from 4 to 100 mm in width andMore

Pure copper rod Pure copper rods are copper rods with a copper content of at least 99.5%. They possess excellent electrical and thermal conductivity, ductility, and corrosion resistance, making them a crucial material in the electronics, electrical engineering, machinery manufacturing, and architectural decoration industries. Often referred to as “red copper rods,” pure copper rods are typically purple-red in color. TheyMore

Marine anchor chain round steel Marine anchor chain round steel is a specialized steel used in the manufacture of marine anchor chains. It is a core material for a ship’s mooring system, and its quality is directly related to the ship’s navigational safety. As a crucial component connecting the hull to the anchor, the anchor chain must withstand the tremendousMore

Commonly used hot-rolled steel Hot-rolled steel, commonly used, refers to steel with defined cross-sectional shapes and sizes produced through a hot rolling process. It serves as a fundamental material in fields such as construction, machinery manufacturing, and bridge construction. Its cross-sectional shapes vary, including I-beams, channels, angles, H-beams, round bars, and square bars, each with unique mechanical properties and applications.More

Design of main parts of blanking die The design of a blanking die’s key components is crucial for its overall performance. These include the punch, die, die frame, positioning mechanism, and discharge mechanism, among other key elements. Each component must be designed with a balance of functionality, cost-effectiveness, and reliability. These components work together to complete the blanking and separationMore

Calculation of cutting edge dimensions of punching convex and concave dies Calculating the cutting edge dimensions of punches and dies is crucial for ensuring the dimensional accuracy of blanked parts. The core of this process is determining the cutting edge dimensions and tolerances of the punch and die based on the part’s design dimensions and tolerances, combined with the blankingMore

Principles for calculating the cutting edge size of punching convex and concave dies The principles for calculating the cutting edge dimensions of punch and die are design guidelines developed through long-term production practice. Their core purpose is to ensure dimensional accuracy of blanked parts, extend die life, and simplify the calculation process. These principles, based on die wear patterns, dimensionalMore

Blanking die process analysis Blanking die process analysis is a crucial preparatory step before blanking production. It aims to determine a reasonable blanking process plan through comprehensive research into part structure, material properties, and precision requirements, providing a basis for die design and manufacturing. The core task of process analysis is to determine the blanking feasibility of the part, optimizeMore

Determination of Reasonable Clearance Value of Blanking Die Determining the proper clearance value for the punching die is crucial for ensuring the quality of the blanked parts, reducing the blanking force, and extending the life of the die. The blanking clearance, typically expressed as a bilateral gap, refers to the distance between the punch and die cutting edges. Its sizeMore

Blanking die screws and pins Screws and pins in blanking dies are key connectors in die assembly, securing mold components and ensuring their relative positioning accuracy, respectively. Their performance and assembly quality directly impact the mold’s overall rigidity, precision, and service life. Screws primarily fasten mold components (such as the punch retaining plate, die, and stripper plate) together, transmitting forceMore

Blanking die handle The die handle of a shearing die is a key component that connects the upper die to the press’s slide. Its primary function is to accurately mount the die on the press and transmit the press’s power to the die’s working part. The structural design of the handle directly affects the die’s installation accuracy, stress distribution, andMore

Calculation of cutting edge size of punching die Calculating the cutting edge dimensions of a punching die is a core element of die design, directly impacting the dimensional accuracy of the part being punched and the die’s lifespan. This calculation requires determining the punch and die cutting edge dimensions based on the part’s dimensional accuracy requirements, material thickness, blanking clearance,More

Punch die and die design The punch and die are the core working parts of a punch and die, directly involved in the material shearing and separation process. Their structural design, dimensional accuracy, and material properties have a decisive impact on the quality of the stamped part and the life of the die. The design of the punch and dieMore

Blanking die limit device The position limiter in a punching die is a key component that controls the positional accuracy of the die’s moving parts. Its primary function is to limit the travel of components such as the punch, stripper plate, and ejector, preventing damage to the die or quality defects in the punched parts due to overtravel. The designMore

Blanking die unloading device The blanking die unloading device is a crucial component for ensuring a continuous blanking process. Its primary function is to remove the workpiece or scrap material from the punch after each punching cycle, preventing it from adhering to the punch and impacting the next punching cycle. The performance of the unloading device is directly related toMore

Calculation of pressure center of blanking die Calculating the pressure center of a blanking die is a crucial step in die design. Its purpose is to determine the point of action of the resultant blanking force, ensuring that this point coincides with the center of the press slide to avoid eccentric loads during the stamping process, thereby protecting the dieMore

Blanking process and die design and manufacturing Blanking processes and die design and manufacturing are important components of the field of metal plastic processing. Their core is to apply shear force to sheet metal through dies to achieve material separation and shaping, thereby obtaining parts with specific shapes and sizes. Blanking processes are widely used in industries such as automotiveMore

Basic concepts of blanking Blanking is a stamping process that uses a die under the action of a press to separate sheet metal. The basic principle is to apply shear force to the sheet metal through the relative movement of the punch and die. When the shear force exceeds the shear strength of the material, the sheet metal breaks andMore

Blanking clearance The blanking clearance refers to the gap between the punch and die cutting edges in the blanking die, usually expressed as a bilateral clearance, which is half the difference between the punch and die cutting edges. Blanking clearance is one of the most important process parameters in the blanking process. It has a significant impact on the qualityMore

Cross-section analysis of blanking parts The cross-sectional quality of blanking parts is a key indicator of blanking process performance. Its formation is closely related to the three stages of the blanking process: elastic deformation, plastic deformation, and fracture separation, exhibiting distinct stratification. A typical blanking part’s cross-sectional surface consists of four components: a fillet, a bright zone, a fracture zone,More

Assembly of the blanking die The assembly of a blanking die involves combining qualified die parts into a complete mold according to design requirements. The precision of this assembly directly impacts the quality of the blanked parts and the lifespan of the die. This process requires strict process procedures, including cleaning, positioning, securing, adjusting, and testing parts. Each step requiresMore

Typical structure of blanking die The typical structure of a blanking die can be divided into three categories: simple, continuous, and compound, depending on the production batch, part precision, and process requirements. Each structure has its own unique form and application scenarios. Choosing the right blanking die structure is key to improving production efficiency and ensuring part quality. It requiresMore

Blanking die ejector device The ejector device of a punching die is an important component that ensures the smooth release of the punched part from the die. Its main function is to promptly eject the workpiece or scrap stuck in the die or punch after the punching process is completed, so as to avoid affecting the next stamping cycle. TheMore

Blanking die positioning device The blanking die positioning device is a key component to ensure the dimensional accuracy and shape consistency of the blanked parts. Its function is to accurately position the sheet material or process parts at a specific position of the die before each punching, ensuring that the punch and die can be blanked in the correct position.More

Design of blanking die process layout Designing a die layout is a crucial step in blanking process planning. Its primary objective is to rationally plan the sequence of blanking steps and the arrangement of parts on the sheet metal, based on the part’s shape, size, precision requirements, and production batch size. This approach maximizes material utilization, simplifies the die structure,More

Determination of the length and width of the die for U-shaped bends Determining the length and width of the die for U-shaped bends is crucial for ensuring part precision and mold life. This requires comprehensive consideration of multiple factors, including the part’s geometric parameters, material properties, and production process. First, the die length must be determined based on the part’sMore

Deformation of sheet metal bending Sheet metal bending is a critical process in metal plastic processing. Its deformation involves complex phenomena such as plastic flow, stress-strain distribution, and springback. During bending, the sheet metal is subjected to bending moments, creating varying stress states within it. The outer layer experiences tensile stress, while the inner layer experiences compressive stress. At theMore

Characteristics of thinning and deep drawing Thinning drawing is a special drawing process that is mainly used to reduce the wall thickness of a hollow blank while increasing its height to obtain thin-walled parts with specific dimensions and mechanical properties. Compared with ordinary deep drawing, the notable feature of thinning deep drawing is that during the drawing process, the wallMore

Calculation of dimensions in thinning and drawing process The calculation of the dimensions of the thinning and drawing process is a core link in ensuring part quality and production continuity. It requires a comprehensive consideration of material properties, degree of deformation, and the cumulative effect of multiple processing passes. First of all, the wall thickness reduction in a single thinningMore

Thinning drawing convex and concave die structure The structural design of the thinning drawing punch needs to focus on strength, guiding accuracy and surface quality. The working part of the punch usually adopts a stepped structure. The front section is the working section with a diameter slightly smaller than the inner diameter of the part, and the rear section isMore

Material utilization Material utilization is a key indicator of the economic viability of the ironing process. It is typically calculated as the ratio of part mass to blank mass. Improving material utilization directly reduces production costs. Material waste in ironing primarily comes from blank excess material, trimming allowance, and scrap loss, so optimization is crucial from the blank design stage.More

Commonly used reset structure of side stamping slider ** The reset mechanism of a commonly used lateral stamping slide is a key component for ensuring the continuous and stable operation of the stamping die. Its core function is to precisely return the slide to its initial position after the lateral stamping action is completed, preparing for the next stamping cycle.More

Blanking deformation process The blanking deformation process is a plastic working process that utilizes the shearing action between the punch and die of a die to separate the sheet metal. Essentially, it involves a continuous process of deformation under shear forces: elastic deformation, plastic deformation, and fracture separation. While this process is brief, typically completing within milliseconds, it involves complexMore

Blanking deformation process and cross-section analysis The blanking deformation process and cross-sectional analysis are crucial components of blanking process research. By delineating the stages of the deformation process and analyzing cross-sectional characteristics in detail, they provide a theoretical basis for mold design, process parameter optimization, and quality control of blanked parts. The three stages of the blanking deformation process—elastic deformation,More

Design of Drawing Die for Step Drawing Parts Step drawing die design is a forming technology for cylindrical parts with multiple, successively decreasing diameters. Widely used in applications such as motor housings, hydraulic cylinders, and multi-stage pump bodies, it can be drawn in one or more passes, ensuring coaxiality errors of less than 0.1mm between each step. The difficulty ofMore

Design of hinge roll mold Hinge rolling dies are a key process for achieving the desired rounded shape of hinge blades. Widely used in applications such as door and window hardware and furniture fittings, they can roll steel sheets with a thickness of 0.3-2mm into tubular structures with a diameter of 3-10mm. The roundness error after rolling is less thanMore

Design of the Die for Punching Notches on Angle Steel Angle steel notching die design is a specialized die technology for notching angle steel (such as L50×5, L63×6, and other models). Widely used in fields such as steel structure construction and shelf manufacturing, it achieves notch dimensional accuracy of ±0.5mm and a notch verticality error of less than 0.3mm/m. AsMore

Design of simple precision punching die The simple fine-blanking die design is a low-cost, high-precision blanking technology optimized from traditional punching dies. It is suitable for the production of small and medium-volume precision parts, such as gears and gaskets used in instruments and meters. It can achieve a bright band on the blanked section that accounts for over 90% ofMore

Design of the clamp bending die The design of a clamp bending die is a technology for bending ring-shaped or U-shaped clamps. Widely used in applications such as pipe fastening and automotive wiring harness tightening, it achieves high-precision bending of the clamp, ensuring uniform clamping force and reliable assembly. Clamps are typically made of spring steel (such as 65Mn) orMore

Mechanical bulging die design Mechanical bulging die design utilizes mechanical force to radially expand cylindrical or tubular parts. Widely used in applications such as automotive exhaust pipes, pressure vessels, and hydraulic fittings, it enables precise forming of complex cross-sectional shapes. The dimensional accuracy of the bulged parts can reach IT8, with a surface roughness of Ra1.6μm or less. Compared toMore

Design of Brass Sleeve Flanging Die Brass sleeve flanging die design is a specialized die technology for flanging the ends of brass sleeves. Widely used in plumbing, instrumentation, and other fields, this die technology creates a flange structure that provides sealing and connection functions by radially tilting the end of the brass sleeve outward or inward. Brass materials (such asMore

Design of the Drawing Die for Rectangular Cover The design of a drawing die for rectangular lids is a forming technology for rectangular or square box lids, widely used in applications such as appliance housings, toolbox covers, and automotive trim. It achieves smooth corner radius, vertical sidewalls, and a flatness tolerance of less than 0.2 mm/m. It is suitable forMore

Design of progressive die for card punching and blanking Progressive die design for card punching and blanking is a highly efficient forming technology for various card types (such as bank cards, membership cards, and time cards). It continuously completes the punching (positioning holes and functional holes) and blanking processes within a single die, achieving a production rate of 300-500 pieces/minuteMore

Smooth die design The smooth die design is an advanced die technology developed for high-precision blanking parts. It can achieve a bright band width of more than 90% of the material thickness and a roughness as low as Ra0.8μm on the blanking section. It is widely used in precision instruments, aerospace and other fields, especially for the blanking of high-strengthMore

Design of pipe cutting die The design of pipe cutting die is a special die technology for precise cutting of various metal pipes (such as steel pipes, aluminum pipes, and copper pipes). It is widely used in automobile manufacturing, air conditioning and refrigeration industries, and can achieve burr-free cutting according to the material and diameter of the pipe (usually 10-150mm),More

Design of floating core punching die The floating core punching die design is a precision forming technology for punching holes in thick-walled cylindrical parts or high-strength material pipes. It is widely used in petroleum machinery, hydraulic systems and other fields, and is especially suitable for processing parts that require high verticality and no collapse of the hole wall after punching.More

Design of floating coreless punching die The floating coreless punching die design is an innovative technology for punching holes in thin-walled cylindrical and tubular parts, or parts with deep cavities. It eliminates the need for a traditional internal support mandrel. A floating mechanism adapts to part deformation, achieving high-precision punching without a core. It is widely used in automotive exhaustMore

Design of Bending Die for Closed and Semi-closed Parts The design of bending dies for closed and semi-closed parts is a special mold technology developed for bending parts with closed or semi-closed structures (such as bearing seats, clamps, and annular brackets). The bending angle of such parts is usually more than 180° (closed parts) or between 90° and 180° (semi-closedMore

Design of the Compound Die for Drawing, Forming and Blanking of Square Box The design of a composite die for drawing, forming, and blanking square boxes is an integrated forming technology for rectangular or square box parts. It can complete the three key processes of blanking, drawing, and shaping in a single stamping stroke. It is widely used in applicationsMore

Design of Multi-station Bending and Flanging Progressive Die The multi-station bending and flanging progressive die design is an efficient die technology that integrates bending forming and flanging processing. It is suitable for parts with complex folding and hole flanging features, such as automobile door hinges, dashboard brackets, etc. All processes from flat blanks to finished products can be completed inMore

Design of multi-station bending and forming progressive die Multi-station bending and forming progressive die design is an integrated die technology developed for parts with complex bending shapes and forming features (such as automotive connectors and electrical brackets). It can continuously complete multiple processes such as punching, bending, flanging, and embossing in one die. It is suitable for mass production ofMore

Design of Multi-station Deep Drawing Automatic Die The multi-station automatic drawing die design is an advanced technology for fully automatic drawing of small cylindrical and box-shaped parts. It is widely used in mass production in the fields of home appliances, electronics, and automobiles, such as thermos liner, micro motor housing, etc. Its core advantage is that it integrates automatic feeding,More

Design of multi-layer concave drawing die The design of multi-layer concave die drawing die is an efficient deep drawing forming technology, which is suitable for complex cylindrical or special-shaped parts that need multiple drawing, such as automobile fuel tanks, pressure vessels, etc. By arranging multiple concave dies in a stacked manner, multiple drawing processes can be completed in a singleMore

Design of Multi-Station Blanking Progressive Die The multi-station punching progressive die design is a typical representative of efficient stamping technology. It is suitable for continuous punching of strips or strips, such as small parts such as electronic connectors, motor stators and rotors. By setting up multiple stations in a die, punching, blanking, trimming and other processes are completed in sequence,More

Design of Multi-Station Drawing Progressive Die The multi-station drawing progressive die design is a continuous forming technology that integrates drawing, punching, trimming and other processes. It is suitable for mass production of small deep cylindrical parts, such as battery shells, relay shells, etc. By arranging multiple drawing and auxiliary processes in different stations of the same mold in sequence, itMore

Design of multi-part bending die The multi-position bending die design is a die technology for forming complex parts with multiple bending angles and bending directions. It is widely used in the fields of automotive parts, electronic brackets, medical equipment, etc. It can complete the bending of multiple parts in one stamping stroke, improving production efficiency and part accuracy. The bendingMore

End drawing die design End drawing die design is a die technology for deep drawing of parts. It is mainly used to draw flanges, cups or other complex shapes at the ends of flat or cylindrical parts. It is widely used in automotive parts, electronic components, medical devices and other fields. Unlike overall drawing, end drawing only forms local areasMore

Bottom necking die design Bottom-recessing die design is a specialized mold technology for forming a concave groove at the bottom of cylindrical parts. It is widely used in pressure vessels, automotive mufflers, hardware fittings, and other applications. By reducing the diameter of the bottom of cylindrical parts, functions such as sealing, connection, or aesthetics are achieved. The concave groove ofMore

Design of Simple Drawing Die with Flange The design of a simple drawing die with flange is an important type of metal forming die. It is mainly used to draw flat blanks into cylindrical parts with flanges. It is widely used in automotive parts, pressure vessels, daily hardware and other fields. The flange part of this type of part isMore

Design of guide plate guide die The guide plate guided die design is a type of die that uses a guide plate as a guiding mechanism in the stamping die. It has the characteristics of simple structure, reliable guiding, and low manufacturing cost. It is widely used in medium and low speed stamping, blanking and bending of small and medium-sizedMore

Design of bottom shell drawing die The bottom shell drawing die design is a drawing forming die for various containers and shell parts (such as motor bottom shell, instrument shell, battery shell, etc.). These parts usually have the characteristics of deep cylindrical, closed bottom, vertical or slightly tapered sidewalls, and have high requirements for bottom fillet, sidewall thickness uniformity andMore

Design of compound die for punching, blanking, cutting and bending Punching, blanking, notching and bending compound die design is an efficient integrated forming die technology, which can complete punching, blanking, notching and bending processes in one set of dies, greatly improving production efficiency. It is suitable for batch production of small and medium-sized complex parts, such as electrical components, autoMore

Punching and blanking compound die design Punching and blanking compound die design is a common and efficient forming technology in stamping dies. It can complete the punching and blanking processes in one stamping stroke, reduce process flow, improve the dimensional accuracy and production efficiency of parts, and is widely used in the processing of various flat parts, such as gaskets,More

Design of Trimming Die for Formed Parts with Flange The design of trimming die for flanged formed parts is a special die technology for edge trimming of flanged parts after drawing or forming. The purpose is to remove excess material around the flange of the part to ensure the dimensional accuracy and end surface flatness of the flange. It isMore

Design of Channel Steel Cutting Die Channel steel cutting die design is a special die design for steel cutting processing. It is widely used in construction, machinery manufacturing and other fields to cut long channel steel into specific lengths as required. As a long steel strip with a grooved cross section, channel steel needs to solve problems such as cross-sectionMore

Design of the Double-Action Drawing Die for Woks The design of double-action drawing die for frying pan is a key technology in the manufacturing of metal cookware. It is suitable for deep drawing of frying pans made of stainless steel, aluminum alloy and other materials. Its double-action structure can realize the synchronous control of edge pressing and drawing, and effectivelyMore

Design of the small hole punching die with ultra-short punch The design of impact-type ultra-short punch small hole punch is a difficult technology in the field of precision stamping. It is suitable for punching small holes with a hole diameter of 0.5-3mm. It is widely used in industries such as electronic components and precision instruments. Its ultra-short punch structure canMore

Swing bend die design The design of the swing bending die is an important technology for the forming of complex bent parts. It is especially suitable for the processing of parts with multi-angle and asymmetric bending features. It is widely used in high-precision fields such as aerospace and automobile manufacturing. Compared with traditional fixed molds, the swing bending die achievesMore

Design of U-shaped bending die for bar The design of the U-shaped bending die for bars focuses on the U-shaped forming of cylindrical bars, and is widely used in the fields of hardware tools, engineering machinery, etc., such as the manufacture of parts such as wrenches and brackets. Unlike the bending of plates, the cross section of the material isMore

Design of simple side hole mold for pump cover The design of the simple side flanging die for pump cover is an economical solution for the flanging of the side holes of pump cover parts. It is suitable for small and medium-sized batch production and is widely used in agricultural machinery, water pump manufacturing and other fields. Compared with complexMore

Design Of PC Plastic Stamping Die PC plastic die design is a key technical link in the field of plastic processing, and its design quality directly affects the precision, production efficiency and manufacturing cost of PC plastic products. PC plastic has excellent characteristics such as high strength, high temperature resistance and good impact resistance. It is widely used in high-endMore

Design of bending die for V and U-shaped parts The design of bending dies for V and U-shaped parts is an important part of sheet metal stamping processing and is widely used in automobile manufacturing, mechanical processing, electronic equipment and other industries. As common bending parts, V-shaped and U-shaped parts have relatively simple structures, but the design quality of theMore

Design of V-shaped and U-shaped precision bending die The design of V-shaped and U-shaped precision bending dies is an optimized design for high-precision bending parts based on the design of ordinary bending dies. It is mainly used in aerospace, precision instruments, automotive parts and other fields that require extremely high precision of parts. The design of precision bending dies mustMore