Manufacture

Hot rolled steel bars Hot-rolled steel bars are round, square, or hexagonal bars produced through a hot rolling process. They feature high strength, good toughness, and excellent processability, making them widely used in machinery manufacturing, the automotive industry, construction engineering, and other fields. They are made from materials such as carbon structural steel (such as Q235 and 45 steel), alloyMore

Hot rolled pure copper plate Hot-rolled pure copper sheet is produced through a hot-rolling process. It exhibits excellent electrical and thermal conductivity, ductility, and corrosion resistance, making it indispensable in the electronics, aerospace, and chemical industries. Pure copper sheet typically has a purity of over 99.5% , with high-purity products reaching 99.95% . Its electrical conductivity is ≥ 98% IACSMore

Hot rolled H-beam Hot-rolled H-beam steel is an economical, hot-rolled steel with an H-shaped cross-section. Composed of a web and upper and lower flanges, it features a large section modulus, light weight, high strength, and easy construction. It is widely used in building structures, bridge engineering, and machinery manufacturing. Compared to conventional I-beams, H-beams have parallel inner and outer flangesMore

Hot forged brass rods for plumbing fittings Hot-forged brass rod for plumbing fittings is specifically designed for hot-forging plumbing fittings (such as elbows, tees, and valves). Featuring excellent thermoplasticity, fluidity, and corrosion resistance, it is widely used in building water supply and drainage, heating systems, and bathroom fixtures. Made primarily from common brass grades such as H59, H62, and H65,More

Lead brass needle rod Leaded brass header rods are a type of brass material specifically used for connector headers. They offer excellent conductivity, machinability, and dimensional stability, making them indispensable in the fields of electronics, automotive wiring harnesses, and medical devices. Primarily made from leaded brasses such as HPb62-2 and HPb59-3 , they contain 58-63% copper and 2-3% lead. TheMore

Lead brass embroidery rod Lead brass pattern rods are made from lead brass, with a regular pattern formed on the surface through a drawing process. They combine excellent cutting performance, wear resistance, and decorative properties, making them widely used in hardware, precision instruments, and bathroom accessories. Primarily made from lead brass grades such as HPb59-1 and HPb62-3, they contain 57-63%More

Hot rolled steel sections for automobile wheel rims Hot-rolled steel sections for automotive wheel rims are specialized, special-shaped steels designed for manufacturing rims. These sections feature U-shaped or deep groove profiles, forming the critical contact point between the wheel and tire. They must withstand the full weight of the vehicle and the radial and tangential forces experienced during driving, placingMore

Hot rolled steel for automobile wheel retaining rings and lock rings Hot-rolled steel sections for automotive wheel retaining rings and locking rings are specialized steel materials used in their production. These special-shaped sections feature a specific grooved or hooked cross-section. They are used to secure the tire to the rim, ensuring it does not fall off during driving. They areMore

Seamless steel pipe for automobile half-axle sleeve Seamless steel pipes for automotive axle shaft sleeves are core components of automotive drive axles, protecting the axles and withstanding the torque and radial loads experienced during vehicle operation. Their performance directly impacts vehicle safety and reliability. These seamless steel pipes are typically manufactured from high-quality carbon structural steels or alloy structural steels,More

Aluminum-plastic composite panels for general decoration Ordinary decorative aluminum-plastic composite panels are a decorative material composed of two aluminum alloy sheets (0.2-0.5mm thick) with a polyethylene (PE) core layer. They feature light weight, high strength, and excellent decorative properties. They are widely used in building exteriors, interior walls, billboards, and other applications. The aluminum alloy sheets are typically 3003 orMore

Aluminum alloy foil for beer labels Aluminum alloy foil for beer labels is an ultra-thin product with a thickness of 0.01-0.03mm, specifically designed for printing and attaching beer bottle labels. It boasts excellent ductility, printability, and water resistance, making it indispensable in the beer packaging industry. This type of foil typically utilizes aluminum-manganese alloys such as 8011 and 8079. TheMore

Beryllium bronze plates and strips Beryllium bronze sheet and strip are high-performance alloys based on a copper matrix with 1.7-2.5% beryllium and small amounts of elements such as nickel and cobalt. Their excellent mechanical properties, elasticity, electrical conductivity, and corrosion resistance have made them a key component in the electronics, aerospace, and precision machinery industries. After solution aging treatment, theseMore

Aluminum and aluminum alloy foil for blister packaging Aluminum and aluminum alloy foil for blister packaging is an ultra-thin product with a thickness of 0.02-0.1mm . It offers excellent barrier properties, sealing, and formability, making it indispensable for packaging in the pharmaceutical, food, and cosmetic sectors. This type of foil is typically made from aluminum-manganese alloys such as 8011 andMore

Nickel and nickel-copper alloy rods Nickel and nickel-copper alloy rods are made from pure nickel or nickel-copper alloys through forging, rolling, and other processes. They offer high strength, corrosion resistance, and excellent processability, making them widely used in marine engineering, chemical equipment, precision machinery, and other fields. Pure nickel rods, with a purity of ≥99.5%, exhibit excellent alkali resistance andMore

Nickel and nickel alloy wire and drawn wire blanks Nickel and nickel alloy wire and drawn wire stock are important product forms in nickel-based material processing. They combine excellent electrical conductivity, corrosion resistance, and high-temperature stability, playing a key role in the electronics, aerospace, and chemical industries. Wire stock, the intermediate raw material in wire rod production, is typically hot-rolledMore

Nickel and nickel alloy welding rods Nickel and nickel alloy welding rods are a type of welding material used for welding nickel and nickel alloy materials. They consist of a core and a coating. They have excellent welding performance and corrosion resistance, and play an important role in welding operations in the chemical, aerospace, and electric power industries. The coreMore

Nickel and nickel alloy pipes Nickel and nickel alloy tubes are tubular products made from pure nickel or nickel-based alloys through processes such as extrusion and rolling. They possess excellent corrosion resistance, high-temperature strength, and good plasticity, playing a vital role in the petrochemical, aerospace, and energy sectors. Pure nickel tubes offer excellent alkali resistance and electrical conductivity, making themMore

Nickel and nickel alloy strips Nickel and nickel alloy strip is a strip product made from pure nickel or nickel-based alloys through a rolling process. It exhibits excellent corrosion resistance, high-temperature stability, and good electrical conductivity, making it widely used in the electronics, chemical, and aerospace industries. Pure nickel strip typically has a purity exceeding 99.5% and possesses excellent electricalMore

Nickel and nickel alloy plates Nickel and nickel alloy plates are made from pure nickel or nickel-based alloys through a rolling process. Their excellent corrosion resistance, high-temperature strength, and good plasticity make them indispensable in the chemical, aerospace, and energy sectors. Pure nickel plate (purity ≥99.5%) offers excellent alkali resistance and electrical conductivity, making it suitable for corrosion-resistant components inMore

Manganese copper and constantan precision resistance alloy wire Manganese copper and constantan precision resistance alloy wires are precision alloy wires with stable resistance properties. They are widely used in electronic instruments, metering equipment, communication systems, and other fields. Their core advantages lie in their low temperature coefficient of resistance (TCR), stable resistance, and excellent oxidation resistance. Manganese copper alloys areMore

Magnesium and magnesium alloy sheets and strips Magnesium and magnesium alloy sheets and strips are made from pure magnesium or magnesium alloys through rolling and other processes. Their low density (approximately 1.74 g/cm³), high specific strength, and excellent processability have made them highly sought after in the aerospace, automotive, and telecommunications sectors. Compared to aluminum alloy sheets and strips, magnesiumMore

Magnesium alloy hot extruded rectangular rod Magnesium alloy hot-extruded rectangular bars are rectangular cross-section magnesium alloy bars produced through a hot extrusion process. They feature high dimensional accuracy, uniform mechanical properties, and excellent processability, making them widely used in machinery manufacturing, aerospace, medical devices, and other fields. Compared to round bars, rectangular bars have a well-defined long and short side,More

Magnesium alloy hot extrusion profiles Magnesium alloy hot-extruded profiles are magnesium alloy products with specific cross-sectional shapes produced through a hot extrusion process. These profiles include I-shaped, channel-shaped, angled, and special-shaped profiles. They combine lightweighting with high strength and excellent formability, and are widely used in construction, transportation, electronics, and other fields. Compared to aluminum alloy profiles, magnesium alloy hot-extrudedMore

Magnesium alloy hot extrusion tube Magnesium alloy hot-extruded tubes are tubular magnesium alloy products made through a hot extrusion process. With their low density, high specific strength, and excellent thermal conductivity, they occupy an important position in the aerospace, automotive, and electronic communications industries. Compared with traditional steel or aluminum alloy tubes, magnesium alloy hot-extruded tubes can reduce weight byMore

Magnesium alloy hot extruded rods Magnesium alloy hot-extruded rods are produced through a hot extrusion process. They feature low density, high specific strength, and excellent thermal conductivity, making them widely used in aerospace, automotive, and electronic communications. With a density of only 1.74 g/cm³, approximately two-thirds that of aluminum alloys and one-quarter that of steel, magnesium alloys are among theMore

Hot rolled special-shaped steel for coal mining machinery Hot-rolled special-shaped steel for coal mining machinery is a special-shaped hot-rolled steel product designed specifically for coal mining machinery. Its complex cross-sectional shape and excellent mechanical properties meet the high strength and reliability requirements of coal mining machinery in the harsh underground environment. This type of steel often features asymmetric cross-sections, suchMore

Hot rolled steel for tracks Hot-rolled steel sections for tracks are key steel products specifically used in the manufacture of engineering machinery tracks. They offer high strength, high wear resistance, and excellent toughness, capable of withstanding the tremendous pressure and friction experienced by tracks in complex operating conditions. This type of steel is typically manufactured through a hot-rolling process usingMore

Aluminum and aluminum alloy cast and rolled strip Aluminum and aluminum alloy cast-rolled strip is produced through a continuous casting and rolling process. Featuring a short production process, low energy consumption, and low cost, it is widely used in packaging, construction, electronics, and other fields. Compared to the traditional hot-rolling and cold-rolling process, the cast-rolling process can directly process moltenMore

Aluminum and aluminum alloy corrugated sheets Aluminum and aluminum alloy corrugated sheeting is produced by processing aluminum and aluminum alloy sheets into sheets with a corrugated or shaped cross-section through a profiling process. These sheets feature lightweight, high strength, and easy installation, playing a vital role in building roofs, walls, transportation, and other fields. Compared to conventional flat panels, corrugatedMore

Aluminum and aluminum alloy embossed sheets and strips Aluminum and aluminum alloy embossed sheets and strips are products embossed with various patterns on the surface of aluminum and aluminum alloy sheets or strips. These products combine decorative and functional qualities and are widely used in architectural decoration, household goods, transportation, and other fields. Embossing not only enhances the product’s aestheticsMore

Nickel and nickel alloy strips for vacuum devices Nickel and nickel alloy ribbon for vacuum devices is a thin ribbon material used as electrodes, leads, or shielding components in devices such as vacuum tubes, kinescopes, and vacuum capacitors. Leveraging the high electrical and thermal conductivity, low vapor pressure, and excellent high-temperature stability of nickel and nickel alloys, it enables currentMore

Nickel and nickel alloy thin-walled tubes for vacuum devices Nickel and nickel alloy thin-walled tubes for vacuum devices are key materials used in the internal structures of devices such as vacuum electron tubes, microwave tubes, and X-ray tubes. Thanks to their excellent high-temperature resistance, low vapor pressure, and excellent vacuum performance, nickel and nickel alloys maintain structural stability in high-vacuum,More

Hot rolled steel sections for elevator guide rails Hot-rolled steel sections for elevator guide rails are core guiding components in the elevator system. Working in conjunction with the guide shoes on the elevator car, they ensure the smooth ascending and descending of the car and counterweight along a fixed trajectory. Their quality directly impacts the safety, comfort, and service lifeMore

Aluminum and aluminum alloy busbars for electrical use Aluminum and aluminum alloy busbars for electrical applications are rectangular or trough-shaped aluminum-based conductive materials used to transmit high currents in power systems. They are widely used in substations, distribution rooms, high- and low-voltage switchgear, generator terminals, and other locations as key components for collecting and distributing electrical energy. They are typicallyMore

Aluminum and aluminum alloy flat wire for electrical use Aluminum and aluminum alloy flat wire for electrical applications is an aluminum-based conductive material with a rectangular or flat cross-section. It is widely used in the winding manufacturing of electrical equipment such as transformers, reactors, and motors. Due to its lightweight, excellent conductivity, and cost advantages, aluminum and aluminum alloys haveMore

Electrical soft copper antenna Electrical soft copper antennas are flexible antennas made from high-purity soft copper. They are widely used in communications, broadcasting, radar detection, navigation, and other fields, transmitting and receiving electromagnetic waves. Their main body is typically composed of multiple strands of fine copper wire, wrapped in an insulating layer or protective sheath. This retains copper’s excellent conductivityMore

Specifications of commonly used aluminum and aluminum alloy pipes The specifications of commonly used aluminum and aluminum alloy pipes are crucial parameters for measuring their size and performance, directly impacting their suitability for various applications. These specifications primarily include outer diameter, wall thickness, length, and material grade. These specifications must be determined based on the pressure, temperature, media characteristics, andMore

Commonly used aluminum and aluminum alloy foil Commonly used aluminum and aluminum alloy foil refers to thin sheets of aluminum and aluminum alloys with a thickness between 0.006 and 0.2 mm. These foils offer excellent properties such as light weight, excellent thermal conductivity, corrosion resistance, and ease of processing, making them widely used in packaging, electronics, construction, aerospace, and otherMore

High-pressure seamless steel pipe for diesel engines High-pressure seamless steel pipes for diesel engines are core components of diesel engine fuel systems. They are primarily used in critical areas such as high-pressure fuel lines and injector connectors. They carry the crucial task of transporting high-pressure fuel from the injection pump to the injectors, and their performance directly impacts the engine’sMore

Drilling, countersinking, reaming and boring Drilling, reaming, countersinking and boring are commonly used hole processing methods in mold manufacturing, which are used for hole processing with different precision and surface quality requirements. The rational application of these processes can ensure the dimensional accuracy, shape accuracy and position accuracy of the holes on mold parts, and meet the assembly and useMore

Design and processing of main mold components Key mold components include the punch, die, mold base, guides, and positioning devices. Their design and processing quality directly determine the mold’s precision, lifespan, and part quality. Design requires selecting the appropriate material and structure based on the mold’s operating conditions (such as forming material, forming force, and production batch). Processing requires high-precisionMore

Calculation of unfolded dimensions of workpiece Calculating the unfolded dimensions of a part is a crucial step in stamping process design. This involves restoring the dimensions of the original blank after bending, drawing, or other forming processes. Its accuracy directly impacts the part’s dimensional precision and material utilization. The fundamental principle of unfolded dimension calculation is the conservation of volumeMore

Determination of bending plan for workpiece Determining the bending plan is the primary step in bending process design, directly impacting part quality, production efficiency, and mold costs. The bending plan must be developed based on factors such as part shape, dimensional accuracy, material properties, and production batch size. It includes planning the bending process, selecting the bending direction, determining theMore

Cylindrical drawing coefficient and drawing times The cylindrical drawing coefficient is a key parameter for measuring the degree of deformation during drawing. It refers to the ratio of the diameter of the part after each drawing to the diameter of the blank (or the previously drawn part) before drawing. It is expressed as m, i.e., m = dn /dn-1 (dnMore

Stress and strain of blank during cylindrical drawing The stress and strain state of the blank during cylindrical drawing deformation is complex and changes dynamically with the deformation process. There are significant differences in the stress and strain distribution in different regions, which directly affects the plastic flow of the material and the quality of the drawn part. A deepMore

Cylindrical deep drawing deformation process and characteristics The cylindrical deep drawing deformation process is the plastic deformation process in which the material gradually transforms from a flat blank into a cylindrical part. It can be divided into four stages: flange deformation zone, die radius zone, cylinder wall zone and punch radius zone. There are significant differences in the material deformationMore

Calculation of drawing height of cylindrical parts Calculating the draw height of cylindrical parts is a crucial aspect of drawing process design, directly impacting part quality and material utilization. The draw height refers to the height of the cylindrical part after drawing. Its calculation is based on the blank dimensions, part diameter, material thickness, and the degree of deformation duringMore

Center of pressure calculation Calculating the pressure center is a crucial step in mold design and press selection. The pressure center is the point where all forces acting on the mold during operation apply together. Its location must coincide with the center of the press slide. Otherwise, unbalanced loading can occur, leading to increased mold wear, deformation of the pressMore

Calculation of blank holding force, drawing force and total drawing process force The calculation of blank holder force, drawing force, and total drawing process forces is a core component of deep drawing process design, directly impacting part quality, die life, and equipment selection. Blank holder force prevents wrinkling during the drawing process, while drawing force is the primary driver ofMore

Application of wedge and slide in multi-position progressive die In multi-station progressive dies, cams and sliders are core components for complex forming processes, particularly suited for the production of precision parts requiring simultaneous multi-directional machining. Multi-station progressive dies utilize continuous material feeding to complete multiple processes, including blanking, bending, and drawing. The combination of cams and sliders transcends the limitationsMore

Key points in the design of wedges and sliders The design of the cam and slider is a critical step in mold design, directly impacting the mold’s motion accuracy, service life, and forming quality. Factors such as force transmission efficiency, motion smoothness, guiding accuracy, strength, rigidity, and wear resistance must be comprehensively considered to ensure accurate coordination and proper forceMore

Classification of wedges and sliders The classification of cams and sliders is determined based on factors such as their structure, direction of motion, force applied, and application scenario. Different types of cams and sliders perform different functions in the mold and adapt to different forming process requirements. Appropriate classification helps select the appropriate cam and slider type for specific workingMore

Installation of wedges and sliders The cam and slider are key components in molds that enable horizontal or tilted motion. They are widely used in complex forming processes such as bending, stamping, and stretching. The quality of their installation directly impacts the mold’s motion accuracy, stability, and service life. The installation process requires strict control of clearance, guide accuracy, andMore

Process Calculation of Flangeless Cylindrical Parts Flangeless cylindrical parts are common components used in stamping, such as bearing sleeves and container barrels. Process calculations primarily include blank size calculation, forming cycle determination, dimension calculation for each forming cycle, and forming force calculation. These calculations form the basis for developing stamping process plans, designing molds, and selecting equipment. The forming ofMore

Gap between the bending punch and die The gap between the punch and die (referred to as the punch-die clearance) is a core parameter in bending die design, directly impacting the dimensional accuracy, surface quality, and die life of the bent part. A reasonable gap ensures smooth material deformation during the bending process, minimizing springback and surface scratches. Excessive orMore

Dimensional difference between the bending convex and concave dies The dimensional difference between the male and female bending dies is a critical parameter for ensuring the precision of bent parts, directly affecting their dimensional accuracy, shape stability, and die life. This dimensional difference is not a fixed value but is determined by a combination of factors, including the part’s materialMore

Determination of press tonnage during bending Determining the tonnage of a bending press is a crucial step in bending process design, directly impacting production safety and economic efficiency. The press tonnage must be greater than the maximum force required during the bending process (including bending force, ejection force, and pressing force). Factors such as mold structure, material property fluctuations, andMore

Minimum bending radius of bending die The minimum bend radius of a bending die refers to the smallest inner bend radius a part can achieve without cracking. It is a crucial parameter in bending process design, directly impacting the part’s forming quality and die life. The minimum bend radius is closely related to factors such as the material’s plasticity, thickness,More

Bending die assembly Bending die assembly involves combining qualified mold parts into a complete mold according to design requirements. This process directly impacts the mold’s precision, lifespan, and the quality of the bent part. The assembly process must ensure the relative positioning accuracy, clearances, and movement flexibility of each component. Following the principles of “benchmark first, then general, inside first,More

Key points of processing and assembly of progressive dies The machining and assembly of progressive dies are critical to ensuring die precision and performance. Machining accuracy directly impacts part quality, while assembly quality determines die life and production efficiency. Progressive dies are complex structures with numerous parts, requiring high-precision equipment and advanced processes for machining. Assembly adheres to strict proceduresMore

Determination of basic mold step distance and step distance accuracy Basic die stepover and stepover accuracy are core parameters in multi-station progressive die design. Basic stepover refers to the distance between two adjacent stations and directly determines the strip feed length. Stepover accuracy is the deviation between the actual stepover and the designed stepover, affecting part dimensional consistency and dieMore

Mold fixing plate and pad design The die holder and backing plate are crucial structural components of stamping dies. The holder secures the punch, die, and other working parts, ensuring their precise positioning and operational stability. The backing plate, installed between the holder and die base, withstands the impact of the stamping process and protects the die base from damage.More

Tapping and threading Tapping and threading are common threading methods in metalworking. Tapping uses a tap to create an internal thread within a workpiece hole, while threading uses a die to create an external thread on a round rod-shaped workpiece. While the two processes operate on different objects, they both adhere to the basic principles of threading and require theMore

Segmented punching scrap design Segmented waste punching design is a highly efficient technology for handling large or odd-shaped waste. By breaking down continuous long strips or large pieces of waste into smaller segments or chunks, it makes it easier to discharge and collect, reduces the risk of blockage, and improves production efficiency. Segmented waste punching design requires rationally setting theMore

Prevent scrap from bouncing back or blocking Scrap bounce and material blockage are common problems in stamping production. They not only affect production efficiency but can also damage molds and equipment, and even cause safety accidents. Scrap bounce occurs when the waste generated by punching rebounds back into the mold working area due to elastic deformation or airflow after theMore

Multi-station continuous drawing process calculation and layout design Multi-station continuous drawing process calculation and layout design are key technologies for the efficient production of deep cylindrical and special-shaped parts. Process calculation requires determining the number of draws, the dimensions of each draw, and process parameters, while layout design involves rationally arranging the positions of the drawing stations in relation toMore

Design of main structural parts of multi-station progressive die The key structural components of a multi-station progressive die include the die base, working parts, positioning elements, discharge devices, and guides. The design quality of these components directly determines the precision, rigidity, and service life of the die. Each component has its own specific function and design requirements, requiring targeted designMore

Design of Multi-position Progressive Die Carrier The design of carriers for multi-station progressive dies is a core technology for ensuring stable strip material feeding during continuous stamping. As a bridge connecting parts in each process, the carrier must possess sufficient strength and rigidity, while also providing a reliable reference for the positioning system. The rationality of carrier design directly impactsMore

Fundamentals of Multi-position Progressive Die Design The fundamentals of multi-station progressive die design encompass the fundamental theories, core principles, and key technologies of die design, and are essential for ensuring die performance. As complex stamping equipment integrating multiple processes, its design requires comprehensive consideration of part manufacturability, die structural rationality, manufacturing feasibility, and production economics. This is built on aMore

Multi-station progressive die design waste and process waste Scrap management in multi-station progressive die design is a key factor affecting material utilization and production costs. Scrap can be divided into design waste and process waste, each with different causes and control methods. Design waste is unavoidable, determined by part shape and layout, such as overlap between parts and excess materialMore

Factors to be considered in layout design of multi-station progressive die Layout design for multi-station progressive dies is a comprehensive, systematic project that requires comprehensive consideration of multiple interrelated factors to achieve the optimal balance between production efficiency, product quality, and manufacturing costs. These factors encompass a wide range of dimensions, including part characteristics, process requirements, mold structure, and productionMore

Layout Design of Multi-station Progressive Die Layout design for multi-station progressive dies is a key factor in determining mold efficiency and product quality. Its core is to rationally arrange the position and sequence of each process on the strip to maximize material utilization, smooth process transitions, and stabilize the stamping process. Layout design requires comprehensive consideration of part shape, numberMore

Calculation of Drawing Times of Multi-station Progressive Die Calculating the number of draw cycles for a multi-station progressive die is a key factor in determining the feasibility of the drawing process. This requires comprehensive consideration of the part’s shape parameters, material properties, and the die’s station limitations. Scientific formula derivation and empirical corrections are used to determine the appropriate numberMore

Characteristics of multi-station progressive die As a highly efficient and precise stamping equipment, multi-station progressive die occupies a core position in modern manufacturing. Its most notable feature is process integration. A set of molds can integrate multiple processes such as punching, bending, drawing, flanging, etc., realizing one-stop processing of parts from raw materials to finished products, eliminating the multiple clampingMore

Classification of multi-station progressive dies Multi-station progressive dies are efficient and precise stamping dies that can perform multiple processes, including blanking, bending, drawing, and forming, all within a single die. They can be categorized into various types based on their structural characteristics, process functions, and application areas. Appropriate classification helps select the appropriate die type based on production needs andMore

Design of the Spring-Pressure Unloading Device for Multi-Position Progressive Dies The spring-loaded discharger of a multi-station progressive die is a key component for ensuring the smooth continuous stamping of strip material. Its primary function is to reliably remove the strip material from the punch after blanking is completed at each station. It also compresses the strip material during the stampingMore

Process Calculation of Cylinder Parts with Flanges Flanged cylindrical parts are a common part type in stamping production. Process calculations are crucial for ensuring forming quality, primarily encompassing blank size calculation, determining the number of deep drawing cycles, calculating the dimensions of each drawing cycle, and controlling flange dimensions. These calculations are based on the material’s plastic deformation patterns andMore

Application scope of strip continuous deep drawing Continuous strip drawing is a highly efficient stamping process that gradually draws the strip into the desired shape at multiple stations in a progressive die, enabling the mass production of complex cylindrical and box-shaped parts. Compared to single-stage deep drawing, continuous strip drawing offers advantages such as high production efficiency, a high degreeMore

Design of strip material spacing mechanism The strip (or bar) spacing mechanism is the core device that ensures accurate strip feed distance during the continuous stamping process. Its function is to control the distance the strip is fed each time, ensuring that the stamping process at each workstation is carried out in the correct position. The spacing accuracy directly affectsMore

Design of belt (strip) material guiding and floating device The strip (or strip) material guide and float devices are key components of a strip stamping line. Their design quality directly impacts the smoothness of strip feeding, positioning accuracy, and the quality of the stamped parts. The guide device’s primary function is to guide the strip in the correct direction, preventingMore

Overlap and strip width Overlap and strip width are important parameters in stamping process design, directly impacting material utilization, part quality, and die life. Overlap refers to the excess material on the strip, between stamping parts, and between the stamping parts and the strip edge. Its function is to ensure sufficient rigidity and strength of the strip during the stampingMore

Stamping die assembly process The stamping die assembly process involves assembling die components into a complete die according to design requirements. It is a critical step in the die manufacturing process, directly impacting the die’s performance, service life, and the quality of the stamped parts. The stamping die assembly process must adhere to certain principles and procedures, employing appropriate assemblyMore

Basics of Stamping Die Manufacturing Stamping die manufacturing fundamentals are essential knowledge for die technicians. They encompass the entire die manufacturing process, from interpreting design drawings to final die inspection. Each step has its own strict technical specifications and operational requirements. Stamping die manufacturing requires not only high-precision processing equipment but also advanced manufacturing processes and a rigorous quality controlMore

Punching force calculation Punching force calculation is a core component of blanking process design. Its purpose is to determine the total force required to complete the blanking process, providing a basis for stamping equipment selection, die strength design, and production process control. Punching force calculations must include multiple components, including shear force, discharge force, and push force. Each component mustMore

Punching pressure and process measures to reduce punching pressure Punching force is the force required to separate the material during the blanking process. Its magnitude not only affects the load on the stamping equipment but also the service life of the die and the quality of the blanked parts. Excessive punching force can lead to equipment overload, premature die wear,More

Calculation of punching force Calculating punching force is a crucial step in blanking process design, directly impacting the selection of stamping equipment, die structure design, and production safety. Punching force refers to the total force required during the blanking process, including shear force, unloading force, push force, and ejection force. Shear force is the core component, accounting for the vastMore

Technical requirements for die assembly Die assembly technical requirements are the normative guidelines for ensuring die assembly quality. They cover multiple aspects, including assembly accuracy, connection strength, and kinematic performance, providing clear technical indicators for the assembly process. These requirements are based on the die’s operating characteristics and the quality requirements of the blanked parts. They are key to ensuringMore

Die assembly technology Die assembly technology is a comprehensive process for assembling qualified die parts into a complete mold according to design requirements. Its quality directly impacts the mold’s operating precision, service life, and the quality of the blanked parts. This technology encompasses multiple steps, including cleaning, positioning, securing, and adjusting parts. It requires adherence to strict assembly sequences andMore

Calculation of cutting edge dimensions of punch and die Calculating the punch and die cutting edge dimensions is a core step in die design, directly determining the dimensional accuracy of the part and the lifespan of the die. This calculation must integrate the part’s tolerance requirements, material properties, and blanking clearance to establish a scientific dimensional relationship. This ensures smoothMore

Design of Double-Wedge Bending Die The double-wedge bending die design is an efficient forming technology developed for complex multi-directional bending parts (such as car seat frames and hardware brackets). Through the wedge drive mechanism in two directions, the parts can be bent synchronously in the horizontal and vertical directions. The forming angle can reach 90°-135° at one time, and theMore

Design of the Forming Die for the Locking Boss The design of the lock boss forming die is a local forming technology developed for the boss structures in various locks (such as buckles and lock tongue positioning platforms). It can press out bosses with a height of 2-10mm and a diameter of 5-20mm on the plate. The boss verticality errorMore

Design of the Flanging Die for the Circular Hole of the Ventilation Seat The design of a flanging die for circular holes in ventilation bases is a specialized technology for flanging the mounting holes of ventilation equipment bases. By axially folding the edge of the circular hole to form a cylindrical flange (3-15mm in height), this technology enhances hole strengthMore

Design of sealing, blanking and deep drawing compound die The design of a combined blanking and drawing die for sealing plugs is an integrated forming technology developed for small plugs used for sealing in pipeline systems. These parts are typically cup-shaped (10-30mm in diameter, 8-25mm in height) and are primarily made of mild steel (such as Q235) or brass (H62).More

Die-guided die design Die-frame-guided die design is a core technology for ensuring high-precision and stable operation of stamping dies. It is widely used in the production of small and medium-sized blanking parts in fields such as precision electronics and aerospace. By optimizing the precision of the die frame and guide mechanism, the gap between the punch and die can beMore

Design of the progressive die for punching and drawing of the inner gear housing The design of a progressive die for punching and drawing internal gear ring housings is a multi-station continuous forming technology developed for cylindrical housings with internal gearing, such as planetary gear reducer housings. These parts typically feature internal teeth (module 1-3mm), a cylindrical wall (thickness 2-5mm),More

Exhaust pipe head mold design Exhaust pipe header die design is a specialized mold technology for forming automotive exhaust pipe ends. It’s suitable for machining steel pipe ends into specific shapes (such as bellmouths, flanges, and special-shaped connections) to meet the sealing connection and airflow guidance requirements of the exhaust system. Exhaust pipe headers are typically made of 2-5mm thickMore

Design of progressive die for punching and bending of shielding cover The design of a progressive die for punching and bending shield covers is a multi-station continuous forming technology developed for metal enclosures used for electromagnetic interference shielding in electronic devices. It can complete punching (mounting holes, heat dissipation holes) and multiple bending processes (90° hems, U-shaped grooves) within aMore

Design of undulating forming die Convex forming die design uses localized stretching to create convex and concave shapes (such as ribs, bosses, and grooves) in sheet metal. Widely used in automotive panels and mechanical structural components, it enhances part rigidity (increasing bending strength by 30%-50%) without increasing material thickness. It is suitable for steel and aluminum alloys with thicknesses rangingMore

Design of positive and negative drawing dies for spherical shells The design of forward and reverse drawing dies for spherical shells is a specialized forming technology developed for hemispherical or spherical shell parts (such as pressure vessel heads and ball valve housings). By preforming the spherical crown through forward drawing and then completing the entire shell through reverse drawing, high-precisionMore

Fully guided small hole punching die design The fully guided small-hole punch design is a high-precision die technology developed for punching tiny holes (φ0.5-φ3mm). Widely used in applications such as electronic connectors and precision filter screens, it achieves hole position accuracy of ±0.01mm and a hole wall roughness of Ra0.8μm or less. It is suitable for materials with thicknesses ofMore

Design of the progressive die for punching and bending of upper and lower covers The progressive die design for punching and bending upper and lower covers utilizes a multi-station continuous forming technology developed for cover parts of household appliances (such as air conditioners and washing machines). This technology enables punching (mounting holes, buckle holes), multi-directional bending ( 90° hemming, arcMore

The quick-change die design is a high-efficiency die technology developed to meet the needs of high-variety, small-batch production. It is widely used in automotive parts, electronic components and other fields. It can quickly change the die within 5-15 minutes, significantly reducing equipment downtime. Compared with traditional die replacement, the efficiency is increased by more than 80%. Its core lies inMore

Design of composite die for deep drawing and edge extrusion The design of a composite die for deep drawing and edge extrusion is a highly efficient forming technology that integrates deep drawing and edge extrusion into the same die. This technology is suitable for applications where flat edges are required on the ends or bottoms of cylindrical parts, such asMore

Design of vertical two-way notching die The vertical bidirectional notching die design is a specialized die technology for radial bidirectional notching of shaft and rod parts (such as stepped shafts and spline shafts). Widely used in mechanical transmissions, automotive transmissions, and other fields, it simultaneously punches symmetrical notches on both radial sides of the part, with a notch symmetry errorMore

Design of compound dies for blanking, drawing, punching and flanging The design of a composite die for blanking, drawing, punching, and flanging is a highly efficient, multi-process integrated die technology suitable for complex small and medium-sized parts, such as cup-shaped parts with holes and flanging. It can complete the four steps of blanking, drawing, punching, and flanging in a singleMore

Design of blanking and drawing compound die The design of a blanking-drawing composite die integrates the blanking and drawing processes within a single die. This technology is suitable for the production of cup-shaped and cylindrical parts, such as small containers and covers. It can reduce process turnaround time and improve production efficiency by over 30%. Part coaxiality errors are lessMore

Design of compound die for blanking, deep drawing twice and edge extrusion The design of a composite die featuring blanking, double-drawing, and edge extrusion is a highly efficient die technology that integrates multiple forming processes. It is suitable for parts requiring multiple deep-drawing cycles and requiring smooth edges, such as deep cylindrical containers with smooth edges. Blanking, primary drawing, secondaryMore

Design of a double compound die for blanking and drawing The double-blanking and double-drawing die design is a highly efficient forming technology developed for deep cylindrical parts (such as oil drums and fire extinguisher cylinders). By completing the three steps of blanking, primary drawing, and secondary drawing in a single stamping cycle, the die achieves continuous deformation from flat blankMore

Design of compound die for blanking, bending and flanging The design of a composite die for blanking, bending, and flanging integrates blanking, multi-angle bending, and hole flanging. Suitable for parts with complex hemming and hole flanging features (such as automotive door latches and appliance mounting brackets), it completes all steps from flat sheet to finished product in a single press.More

Design of compound die for blanking, positive and negative drawing The blanking and forward and reverse drawing composite die design is a specialized forming technology developed for cup-shaped parts requiring a reverse raised feature on the bottom, such as the bearing seat in a motor end cap. This technology completes the blanking, forward drawing, and reverse drawing processes in aMore