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Common Metal Stamping Defects and How to Avoid Them

In manufacturing, precision is key, and metal stamping is no exception. Any defects or flaws in the stamping process can severely impact the final product’s functionality and quality. This article will offer an in-depth understanding of metal stamping, its significance, the common defects in this process, and the necessary measures to prevent these issues.

Why Is Quality Important When Using a Metal Stamp Machine?

In metal stamping, quality control ensures the production of high-grade metal stamping parts. An AOI solution is often implemented to detect variations in the stamping process and common defects. Correct material selection, proper tool design, and regular maintenance of stamping tools can prevent poor quality stamping, further extending tool wear life. Errors from improper tool design, material selection, and maintenance often result in additional production costs, longer project timelines, and dissatisfied clients.

Common Problems When Working With a Metal Stamping Press

Despite the implications of the stamping metal parts process, certain defects are common occurrences. The understanding of these defects is vital to ensure quality stamping and to find possible solutions when problems occur.

Burr’s Defect

Burr’s defect is one of the most common problems in metal stamping. This problem is usually caused by a dull cutting edge on the stamping die. The burrs created in this process might interfere with the functionality of the metal part and require extra work, such as deburring for rectification.

Wrinkling or Buckling Defect

Wrinkling or buckling defects often occur during the bending or drawing process. This defect can be avoided by ensuring the blank holder force is correctly adjusted and the draw bead is properly placed, preventing the sheet metal from flowing unrestricted into the die.

Tearing and Surface Cracks

Tearing or surface cracks occur due to incorrect material selection or improper blank holder force during the deep drawing process. The use of a concave die or concave molds and controlling the blank holder force can prevent this defect.

Mismatched Edges

The incorrect rake or bending angle in stamping can lead to mismatched edges. Regular maintenance of the equipment and guaranteeing the proper alignment of the tools can help avoid this common problem.

Die Breakage

Die breakage, although not a common defect, can occur in the stamping process. This might be due to the use of incorrect material or the application of excessive force. In this case, it would be crucial to analyze the necessary forces needed for a specific stamping job to prevent such breakage.

Metal Stamped parts

Tips for Avoiding Common Metal Stamping Defects

Practice Proper Metal Stamping Techniques

Proper home appliance metal stamping and sheet metal forming techniques can help prevent common defects found in industrial sheet metal fabrication processes. It is vital to consider the draw bead, the blank holder force, and the role of cutting edges in the stamping process when working with different materials or metal parts.

Regularly Inspect Equipment

Proper machine maintenance is crucial to avoid common problems, including poor-quality stamping due to worn tools or machine failure. Regular servicing and inspection of the machine, including the blank holder force and concave molds, will go a long way in preventing defects associated with home appliance metal stamping. Proper maintenance also reduces tool wear and prolongs the lifespan of stamping machines.

Regular checkups and maintenance of your sheet metal stamping machines include:

  • The lubrication of moving parts
  • Cleaning of the machine
  • Timely replacement of worn-out parts

It also involves updating machine controls and keeping a machine log for preventative maintenance to handle common problems before they escalate.

Train Employees on Best Practices

Investing in regular employee training is another way to reduce stamping defects. Trained employees understand the intricacies of the metal stamping process, common defects, and how to prevent them. They can also ensure all rules and safety protocols are followed during a stamping job.

Your training module can include:

  • Overviews of the stamping process
  • The importance of proper tool design
  • Understanding the characteristics of different metal parts
  • Preventing common defects
  • The basic troubleshooting and maintenance of sheet metal stamping machines

Trained staff can significantly improve the productivity and quality of sheet metal parts while reducing common problems associated with improper maintenance.

Metal Stamping Services for Multiple Industries

Franklin Fastener has experience delivering expert metal stamping services that meet the needs of multiple industries. Learn more about the companies we work with.

Industries We Serve

Get the Metal Stamping Product You Need With Franklin Fastener

At Franklin Fastener, we understand the importance of having metal products that are accurately sized and shaped for your applications. We know that any flaws in the manufacturing process can lead to friction problems in your equipment or the need to reorder components, which can greatly affect your productivity. That’s why our progressive die metal stamping services are designed to use cutting-edge technology, expert knowledge, and our 70 years of experience to create components that perfectly meet your requirements. From start to finish, our state-of-the-art metal stamping machines provide top-quality results with the following capabilities:

  • Capacity to 250 tons
  • Low carbon, high strength, and high carbon steel metal stamping
  • Stainless steel, copper, aluminum metal stamping
  • Stock width up to 16 inches
  • Material thickness up to 1/4 inch
  • Progressive Dies, Line Dies, Insert Dies
  • Secondary operations include plating, painting, and coating
  • Support capabilities include welding, technical assembly, and kitting

Franklin Fastener: A Leading Provider of Metal Stamping Services

When it comes to finding the perfect metal manufacturing partner, the task may seem daunting, but it is incredibly vital. At Franklin Fastener, we set ourselves apart from the competition through our extensive seven decades of experience, allowing us to provide the ideal solution for your requirements. We offer a comprehensive range of standard products, along with customized services that involve building components from scratch. Additionally, we continuously strive to discover fresh and innovative approaches to tackle our customers’ concerns. By partnering with us, you can rest assured that you will receive precisely manufactured parts that adhere to specific standards.

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