Metal Stamping

Custom Metal Stamping Services

We always understand our customer’s requirements and provide expert design and prototyping services to ensure optimal part functionality and manufacturability. Our in-house die design and fabrication capabilities enable us to create custom stamping dies precisely and efficiently, ensuring consistent and accurate production of stamped components. We offer secondary operations such as welding, assembly, and finishing to provide complete solutions to our customers’ needs, reducing the need for multiple suppliers and streamlining the production process.

  • Customer satisfaction
  • Secondary operations
  • Advanced equipment
Metal Stamping - https://jiahuicustom.com/

What’s Metal Stamping Process?

Metal stamping is a versatile and widely used manufacturing process that involves the transformation of metal sheets or coils into specific shapes using specialized stamping dies and presses. The metal sheets are carefully positioned in the stamping press, and then a combination of pressure and movement is applied to deform the material into the desired shape. This technology can produce several components with varying levels of complexity, such as brackets, clips, connectors, and more.

Our metal stamping services offer advanced capabilities and expertise in producing high-quality stamped components for various industries, including automotive, aerospace, electronics, appliances, and more. We utilize state-of-the-art stamping presses, tooling, and experienced operators to ensure precise and consistent results. Our team is skilled in working with different types of metals, including aluminum, stainless steel, steel, aluminum, brass, and copper, and can produce parts in various thicknesses and sizes.

Our Qualification For Metal Stamping Service

Our extensive field experience and expertise back our metal stamping qualifications. We take pride in our skilled team of operators trained in using advanced stamping equipment and techniques. Our manufacturing facility has state-of-the-art stamping presses, tooling, and quality control measures to ensure precise and consistent results. In addition, we have a strong track record of delivering high-quality stamping parts to various industries, including automotive, aerospace, electronics, appliances, and more.

Our qualifications include comprehensive services, from design and prototyping to production and finishing. We have in-house die design and fabrication capabilities and secondary operations such as welding and assembly to provide complete solutions to our clients.

We are committed to meeting or exceeding industry standards, delivering on time and within budget, and maintaining excellent customer satisfaction. Our qualifications make us a reliable and trusted partner for all your metal stamping needs.

Manufacturing Process

Metal stamping involves shaping flat metal sheets or coils into various desired forms by applying high-pressure dies. These dies consist of male and female components, which precisely cut, punch, bend, or stretch the metal. Metal stamping is a versatile and efficient technique used to produce various components for various industries.

Metal Stamping Manufacturing Process - https://jiahuicustom.com/
Material Weight Size Limit Surface Finish Thickness
Stainless Steel 0.1-10KG 0.5mmx200mm Ra12.5~3.2µm (1.6µm achievable if specified) 0.2mm~6mm
Steel 0.1-10KG 0.5mmx200mm Ra12.5~3.2µm (1.6µm achievable if specified) 0.2mm~6mm
Aluminum 0.1-3KG 0.5mmx200mm Ra12.5~3.2µm (1.6µm achievable if specified) 0.2mm~6mm
Copper 0.1-10KG 0.5mmx200mm Ra12.5~3.2µm (1.6µm achievable if specified) 0.2mm~6mm
Titanium 0.1-5KG 0.5mmx200mm Ra1.0µm 0.2mm~6mm

Our Metal Stamping Production Capabilities

Our metal stamping production capabilities exemplify precision and efficiency. Utilizing cutting-edge dies and machinery, we expertly shape flat metal sheets and coils into complex, high-quality components. Our commitment to material selection, die design, and advanced stamping processes ensures that our products meet the most demanding specifications, serving diverse manufacturing needs.

Materials for Metal Stamping Parts

We work with various materials for metal stamping parts, including stainless steel, carbon steel, aluminum, and brass. This comprehensive selection ensures that we can accommodate various industry needs, offering precision and quality across a wide array of stamped components.

  • Stainless Steel
  • Aluminum
  • Alloy Steel
  • Copper

Stainless Steel - https://jiahuicustom.com/

Stainless Steel

Stainless steel is metal-enriched with chromium elements (11%) and a small amount of carbon. Chromium offers corrosion resistance to stainless steel. Due to this, the metal stamping parts are less likely to be affected by rust or corrosion. It can be easily molded into several forms. Thus, manufacturers prefer it for the metal stamping process.

Characteristics

  • Extremely durable
  • High tensile strength
  • Corrosion resistant
  • Easy fabrication and formability
  • Low maintenance cost

 

Aluminum IngotAluminum

The distinctive characteristics of aluminum make it one of the best materials for metal stamping. The major aluminum alloys are A360, A380, A390, A413, ADC12, and ADC1. Among all, the A380 is the most worthwhile aluminum alloy.

Characteristics

  • Excellent corrosion resistance
  • Lightweight
  • High strength and hardness
  • Outstanding thermal conductivity
  • High electrical conductivity
  • Remarkable EMI and RFI shielding properties

 

Alloy Steel

Alloy Steel

Alloy steel is a type of steel that incorporates additional elements, such as chromium, nickel, or molybdenum, to enhance its mechanical properties. These alloys impart improved strength, hardness, and resistance to wear, corrosion, and heat, making alloy steel suitable for various applications in industries like automotive, construction, and aerospace.

Characteristics

  • High strength
  • Improved hardness
  • Enhanced corrosion resistance
  • Heat resistance
  • Versatility for various applications

 

CopperCopper

Copper is a reddish-orange metal with a face-centered cubic structure that is highly valued for its aesthetics. It exhibits remarkable properties, yet, it can be alloyed with different elements, such as aluminum, tin, zinc, nickel, etc., to improve its characteristics further. The following are some fundamental properties of copper that make it ideal for producing metal stamping parts.

Characteristics

  • Very soft
  • An excellent conductor of heat and electricity
  • Good corrosion resistance
  • High ductility
  • Fine malleability

 

Surface Treatment For Metal Stamping Parts

At JIAHUI, surface treatment for metal stamping parts is an art. We offer a range of techniques, from plating to powder coating, meticulously enhancing aesthetics and function. Our commitment to excellence ensures that our stamped parts surpass industry standards for many applications.

Name
Product
Description
Materials
Color
Texture

Anodizing

Anodizing_Metal Stamping - https://jiahuicustom.com/

Anodizing improves corrosion resistance, enhancing wear and hardness and protecting the metal surface. This surface finish is widely used in mechanical parts, aircraft, automobile parts, and precision instruments.

Aluminum, Magnesium, Titanium, Zinc

Clear, Black, Grey, Red, Blue, Gold, White, Silver, purple

Smooth, Matte finish

Bead Blasting

Bead Blasting_Metal Stamping - https://jiahuicustom.com/

Bead blasting in surface treatment is a process where fine abrasive particles, such as glass beads or ceramic media, are propelled at high speed onto a surface using compressed air. This abrasive action helps to remove rust, paint, or other contaminants, leaving behind a clean and textured surface finish.

ABS, Aluminum, Brass, Stainless Steel, Steel

Clear

Smooth, Matte finish

Powder Coating

Powder Coating_Metal Stamping - https://jiahuicustom.com/

Powder coating in surface treatment is a dry finishing process where a fine powder is electrostatically applied to a surface. The coated object is then cured under heat, melting the powder particles and forming a durable, smooth, uniform coating.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Vertical stripe

Smooth, Matte finish

Electroplating

Electroplating_Metal Stamping - https://jiahuicustom.com/

Electroplating in surface treatment is when a metal coating is applied to a conductive surface through an electrochemical reaction. It involves immersing the object to be plated in a solution containing metal ions and using an electric current to deposit a metal layer onto the surface.

Aluminum, Magnesium, Titanium,Zinc, Copper, Stainless Steel, Steel

Clear, White, Black, Grey, Red, Yellow, Blue, Green, Gold, Silver, Bronze

Smooth, Semi-matte, Matte finish

Polishing

Polishing_Metal Stamping - https://jiahuicustom.com/

Polishing is the process of creating a shiny and smooth surface, either through physical rubbing of the part or by chemical interference. This process produces a surface with significant specular reflection but can reduce diffuse reflection in some materials.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Clear

Smooth, Mirror finish

Brushing

Brushing_Metal Stamping - https://jiahuicustom.com/

Brushing in surface treatment refers to manually or mechanically applying abrasive brushes to a surface, usually metal, to remove imperfections, create a uniform texture, or enhance its appearance.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Clear

Smooth, Matte finish

Electrophoresis

Electrophoresis_Metal Stamping - https://jiahuicustom.com/

Electrophoresis is a process in which charged resin particles (ions) in a solution are moved by an electric field and deposited on a metal surface to form a protective coating.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish

Painting

Painting_Metal Stamping - https://jiahuicustom.com/

Painting is especially suitable for the surface of the primary material of metal. It will strengthen the material's moistureproof& rust prevention functions and enhance its compression resistance and internal structural stability.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish

Excellent Metal Stamping Services

At JIAHUI, metal stamping is not merely a process; it’s a meticulous art form. We take pride in every detail, ensuring precision and perfection in every stamped part.

Typical Metal Stamping Products

Metal Stamping FAQ - https://jiahuicustom.com/

FAQs Related To Metal Stamping

A: In sheet metal processing, several common problems can arise for various reasons. Here are some of the typical issues encountered and the factors that contribute to them:

  1. Dimensional Inaccuracy: This problem occurs when the fabricated sheet metal components do not match the specified dimensions. It can be caused by inaccurate measurements, cutting or bending process errors, or improper tooling setup.
  2. Warping or Distortion: Warping or distortion happens when the sheet metal undergoes excessive stress or uneven cooling during processing. Factors like improper material handling, inconsistent heating or cooling, or inadequate tooling can contribute to this problem.
  3. Surface Imperfections: Surface imperfections include scratches, dents, burrs, or roughness on the sheet metal surface. These issues can arise due to improper handling, inadequate tool maintenance, poor cutting or grinding techniques, or contamination during processing.
  4. Cracking or Fracture: Cracking or fracture can occur during bending, forming, or welding processes. Factors that contribute to this problem include improper material selection, insufficient bend radius, inadequate material thickness, incorrect tooling or die design, or excessive stress concentration.
  5. Inconsistent Weld Quality: In welding processes, inconsistent weld quality can arise due to factors like improper weld parameters, inadequate cleaning or preparation of the joint, insufficient heat control, improper filler material selection, or lack of skilled welders.
  6. Poor Fit and Alignment: Poor fit and alignment occur when sheet metal components need to fit together properly or be misaligned. This problem can stem from inaccurate measurements, errors in cutting or bending processes, or improper assembly techniques.
  7. Material Waste: Material waste refers to excessive or unnecessary consumption of sheet metal during processing. It can result from inefficient nesting or layout planning, improper cutting techniques, or inadequate material optimization.
  8. Inefficient Production Time: Inefficient production time occurs when the sheet metal processing takes longer than necessary. Factors contributing to this issue include inefficient workflow planning, inadequate tooling or equipment, lack of automation, or suboptimal process sequencing.
  9. Safety Hazards: Safety hazards can arise during sheet metal processing if proper safety measures are not followed. This includes risks such as sharp edges, flying debris, exposure to harmful fumes or chemicals, or inadequate personal protective equipment.
  10. Quality Control Issues: Quality control problems can occur if there is a lack of proper inspection and testing during the sheet metal processing. This includes issues like inconsistent dimensional checks, inadequate material testing, or insufficient adherence to quality standards or customer specifications.

To mitigate these problems, addressing the root causes and implementing appropriate measures is essential. This includes using proper equipment and tooling, ensuring skilled operators, following best practices, conducting regular inspections and quality control checks, and continuously improving the manufacturing processes.

A: The stretched part's inner diameter can be larger or smaller than desired for various reasons in the metal stamping process. Here are a few possible causes:

  1. Material Springback: Springback refers to the tendency of the material to return to its original shape after being stretched. If the material used in the stamping process has high elasticity or springback characteristics, it can cause the inner diameter to be larger than intended after the stretching operation.
  2. Inaccurate Die Design: If the die used in the stamping process needs to be properly designed or manufactured, it can result in variations in the inner diameter. Issues like incorrect die clearance, inadequate punch or die radii, or improper die angles can lead to inconsistent stretching and result in larger or smaller inner diameters.
  3. Incorrect Material Thickness: Inconsistent material thickness across the sheet can cause variations in the inner diameter after stretching. If certain areas have thicker or thinner material, it can lead to uneven stretching and result in deviations from the desired inner diameter.
  4. Insufficient Material Tension: If the material is properly tensioned or held during the stretching operation, it can lead to consistent stretching and variations in the inner diameter. Insufficient tension can cause the material to relax or shift, leading to larger or smaller inner diameters.
  5. Inadequate Lubrication: Proper lubrication is crucial in the metal stamping process to reduce friction and facilitate smooth stretching. Insufficient or improper lubrication can cause inconsistent material flow during stretching, leading to variations in the inner diameter.
  6. Defective Material: If the material used in the stamping process is defective or has inconsistencies in its properties, it can result in variations in the inner diameter after stretching. Issues like material impurities, inconsistent grain structure, or inadequate material properties can affect the stretching process and result in deviations from the desired inner diameter.

It is essential to properly analyze and optimize the stamping process to address these issues. This includes ensuring accurate die design, selecting appropriate materials, implementing proper tensioning and lubrication techniques, and conducting thorough quality control checks to identify and address any deviations in the inner diameter of the stretched parts.

A: To prevent changes in the hole position of stamping parts due to bending, you can take the following preventive measures:

  1. Proper Die Design: Ensure the die used for bending operations is properly designed and manufactured. This includes considering factors such as bend radius, material thickness, and the location of the holes relative to the bending line. Proper die design helps minimize distortion and shifting of hole positions during bending.
  2. Material Selection: Choose the appropriate material for the stamping parts, considering factors such as ductility and elasticity. Using materials with suitable properties can help reduce the likelihood of hole position changes during bending.
  3. Material Thickness Control: Maintain consistent material thickness throughout the stamped part. Variations in material thickness can lead to uneven bending and result in changes in hole positions. Implement proper material thickness control techniques during the stamping process.
  4. Use of Support Tooling: Incorporate support tooling, such as backers or mandrels, during the bending operation. Support tooling provides additional support to the material, reducing distortion and preventing changes in hole positions.
  5. Proper Lubrication: Apply suitable lubricants to the material surface before bending. Proper lubrication helps reduce friction during bending, minimizing the chances of material shifting and changes in hole positions.
  6. Controlled Bending Forces: Ensure that the bending forces exerted by the press or bending machine are controlled and consistent. Excessive or uneven bending forces can cause material distortion and result in changes in hole positions. Optimize and monitor the bending forces during the stamping process.
  7. Quality Control Checks: Implement thorough quality control checks during and after bending. Regularly inspect the hole positions using measurement tools such as calipers or coordinate measuring machines. Any deviation from the desired hole location is identified and resolved in a timely manner.
  8. Operator Training and Experience: Properly train operators involved in the stamping and bending process. Skilled and experienced operators can better handle bending operations, ensuring accurate hole positions and minimizing changes due to bending.

By implementing these preventive measures, you can minimize changes in the hole position of stamping parts during bending operations. Focusing on proper die design, material selection, lubrication, and quality control is essential to achieve consistent and accurate hole positions in the finished parts.

A: To effectively avoid the spring back of stamping parts, you can employ the following methods:

  1. Material Selection: Choose materials with low spring-back characteristics. Some materials, such as specific grades of stainless steel or aluminum alloys, have inherently lower springback compared to others. Consult with material suppliers or conduct material testing to identify materials with reduced springback tendencies for your specific application.
  2. Proper Die Design: Optimize the die design to minimize springback. Consider factors such as the bend radius, punch and die radii, and the shape of the tooling. Using larger bend radii and appropriate tooling can help reduce the amount of spring back.
  3. Bend Angle Compensation: Apply bend angle compensation to account for the anticipated spring back. This involves bending the part to a slightly larger angle than the desired final angle, compensating for the expected spring back. The amount of compensation would vary based on the material and specific bending characteristics.
  4. Overbending and Springback Removal: Overbending is a technique where the part is bent slightly beyond the desired angle and then released. The material's spring back will cause it to return to the desired angle. You can compensate for the spring back by intentionally overbending and achieving the desired final angle.
  5. Backing Tooling: Use backing tooling, such as backers or mandrels, to support the material during bending. Backing tooling provides additional support and helps minimize springback by controlling the material's movement during bending.
  6. Controlled Bending Forces: Ensure that the bending forces applied during stamping are controlled and consistent. Excessive or uneven forces can contribute to increased springback. Optimize and monitor the bending forces to prevent excessive material deformation.
  7. Material Thickness Control: Maintain consistent material thickness throughout the stamped part. Variations in material thickness can lead to inconsistent springback. Implement proper material thickness control techniques during the stamping process.
  8. Heat Treatment: For certain materials, heat treatment techniques such as annealing or stress relieving can reduce spring back. Heat treatment helps relax the material's internal stresses and improve its formability, reducing spring back.
  9. Trial and Error: Conducting trial runs and prototyping can help identify and fine-tune the bending process to minimize springback. Adjustments can be made to the tooling design, bend angles, or other parameters based on the observations from the trial runs.

Combining these methods and continuously refining the bending process can effectively minimize the spring back of stamping parts. It's essential to consider the specific material properties, tooling design, and process parameters to achieve the desired results.

A: Stamping dies are critical tools used in the metal stamping process to shape and cut the desired components. To ensure efficient and effective stamping operations, stamping dies should possess the following key performances:

  1. Accuracy: Stamping dies should be designed and manufactured precisely to achieve accurate and consistent part dimensions, hole positions, and features. The dies should maintain tight tolerances to meet the desired specifications of the stamped parts.
  2. Durability: Stamping dies should be constructed from high-quality materials and undergo proper heat treatment to ensure durability and resistance to wear and fatigue. They should be able to withstand the repeated forces and stresses encountered during the stamping process without significant deformation or damage.
  3. Rigidity: Stamping dies must possess sufficient rigidity to maintain their shape and integrity during stamping. Rigidity helps prevent deflection and distortion of the die, ensuring accurate and consistent part production.
  4. Ease of Maintenance: Stamping dies should be designed with ease of maintenance in mind. This includes features such as easy access to components, replaceable parts, and the ability to disassemble and reassemble the die efficiently. Proper maintenance will increase the life of your mold and ensure consistent performance.
  5. Efficiency: Stamping dies should facilitate efficient and productive stamping operations. This includes quick setup and changeover features, standardized components, and efficient material utilization. A well-designed die can help minimize downtime, reduce scrap, and improve overall production efficiency.
  6. Safety: Stamping dies should incorporate safety features to protect operators and prevent accidents. This may include features such as guards, sensors, and interlocks to ensure safe operation and prevent injuries.
  7. Versatility: Stamping dies should be designed to accommodate different part geometries and variations. They should be able to produce a range of parts with minimal adjustments or modifications. This versatility allows for flexibility in production and enables the die to be used for multiple applications.
  8. Cost-effectiveness: Stamping dies should provide a good return on investment by delivering consistent and reliable performance over an extended period. They should be designed and manufactured efficiently, considering factors such as material usage, production time, and maintenance requirements.

By considering these performances during the design and manufacturing process, stamping dies can effectively meet the requirements of the stamping operations, resulting in high-quality stamped parts with minimal downtime and scrap.

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