Progressive Die vs. Transfer Die vs. Compound Die Stamping: What’s the Difference?

Tag Archive: progressive die stamping

  1. Progressive Die vs. Transfer Die vs. Compound Die Stamping: What’s the Difference?

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    Compound die, progressive die, and transfer die stamping are all processes used to stamp metal parts for applications across various markets. Because each market has different end uses that require different tolerances, designs and production sizes, manufacturers who understand each stamping method can quickly select the right partner to carry out the work for their project.

    Let’s take a look at these commonly used metal stamping processes and note the differences of each. 

    Progressive Die Stamping

    progressive-die-stampingProgressive die stamping is suitable for producing large volumes of parts with strict tolerance specifications. This stamping method involves feeding a coil of metal through the stamping press that simultaneously punches, bends, and shapes the parts.

    The workpiece remains attached to the base strip from beginning to end—separating the individual finished parts from the base metal strip is the final step in the operation.

    The main advantages of progressive die stamping include:

    • — Quick production of many small parts with tight tolerances
    • — Low setup time
    • — Reduced labor costs
    • — Long run lengths
    • — Minimal scrap
    • — Combining multiple operations saves time/money

    In short, progressive die stamping can make parts with complex geometries quickly, economically, and with high rates of repeatability. However, progressive die stamping does require investing in permanent steel tooling. It is also not suitable for parts requiring deep drawing.

    Progressive die stamping may use a variety of metals as the base material. Steel, aluminum, copper, stainless steel, and brass are all commonly used. A range of noble metals, titanium, and the superalloy Inconel are also used. Even non-metallic components can be fabricated with progressive die stamping in some instances.

    Compound Die Stamping

    Compound die stamping is used for making simple flat parts such as washers. A strip of metal is fed through the compound die, but unlike progressive or transfer die stamping, compound stamping tooling performs multiple cuts, punches, and bends in one stroke rather than multiple strokes. This can be cost effective for medium- to high-volume production runs.

    Speed is a key component to compound die stamping; however, the speed also depends on the size of the part. Large components require more time to exit the die, whereas small components can exit more quickly. Compound stamping is:

    • — Suitable for fast and efficient production of simple parts
    • — Helpful for single-die cases to ensure high repeatability
    • — Cost effective

    However, where speed offers a major benefit for both compound stamping and progressive stamping, parts with complex designs are best delivered via progressive because of its multi-stroke system.

    The primary advantages of compound die stamping over progressive die stamping are:

    • — Compound tooling is less costly and faster to build than progressive tooling
    • — Compound stamping will result in flatter parts because the part is made in one stroke

    Transfer Die Stamping

    Transfer die stamping works on each part as an individual unit, so the first operation in the stamping sequence is the separation of the part from the metal strip. The part is then transported through the tooling with ”fingers” to multiple stations that perform separate operations on it. Transfer die stamping is suitable for making parts with intricate design elements like knurls, ribs, and threading.

    It is the ideal operation for manufacturing tube applications. Transfer stamping is also used to manufacture deep-draw components — because there is no metal strip attached to the part, the stamping press can punch as deep as the raw material will allow. Transfer die stamping is the appropriate technique whenever an operation requires that the part be not connected to the base metal strip.

    Aluminum, brass, copper, Inconel, stainless steel, and noble metals are all common base materials for transfer die stamping. It can also fabricate parts with many non-ferrous and ferrous materials.

    Looking for differences between Progressive and Fourslide Stamping? Check out our article here.

    Metal Stamping from ESI

    Need further direction for your metal stamping project? Engineering Specialties Inc. (ESI) has been a specialist in the industry for nearly 30 years. Please contact us for all your metal stamping needs.

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  2. Manufacturing of the Future: ESI Speeds Up Production With 3 New Machines

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    There has been a lot of speculation lately about the future of manufacturing. What will be the top trends? How will manufacturing’s contribution to the GDP change? How will jobs shift as technology becomes “smarter”?

    Speeds Up Production

    It’s difficult to definitively answer these questions. But one thing is for sure: the manufacturing renaissance is here, and it is sweeping the industry. Technologies like 3D printing have been commercialized, and equipment embedded with sensors can now “communicate” with each other using the Internet of Things (IoT).

    The availability of data for strategic planning, the rise automated machines, and a slew of other exciting advances are allowing manufacturers to produce units faster, smarter, and leaner than ever before.

    At Engineering Specialities Inc., (ESI), unmatched production efficiency isn’t a luxury; it’s how we do business. Recently, we added three new top-of-the-line machines to speed up production times, allowing us to get solutions to our clients faster and more efficiently than ever.

    Wire Straightening Machine: Producing Defect-Free Items, Faster

    Commitment to quality is of paramount importance in any manufacturing endeavor. But deadlines must be adhered to as well. ESI’s team helps customers contend with difficult turnaround times and urgent needs. In a bid to expedite part production even further, we have added a fully enclosed and integrated wire straightening and cutting machine to our equipment line-up.

    This machine takes round or shaped wire off a coil, straightens the wire to eliminate irregularities such as bends, and cuts it to the precisely desired length for inherently defect-free items — all in one go for better quality at a faster turnaround.

    Automated Packaging Machine: Reducing Time to Ship by a Quarter

    ESI is proud to offer end-to-end manufacturing solutions that include quality assurance, inspection, and assembly services. Proper packaging is a key component in this sequence, and manual execution is no longer efficient or effective.

    This is why we have switched over to a sophisticated automated packaging system that does the work of 20 hours in just five.

    This new packaging machine first unfolds the boxes, then loads the parts, weighs them, and packages them according to their weight. Finally, the boxes are wrapped with a pallet wrapping machine, allowing us to deliver products faster and at lower prices.

    New Metal Stamping Press: A Single Tool for Many Industries

    We’ve also introduced a 45-ton stamping press that is versatile enough to serve the progressive die stamping needs of a whole slew of industries and applications, including automotive, aerospace, medical, lighting, specialty plumbing, industrial hardware locks, and electrical connectors.

    With this new stamping press, we can now further streamline our production and speed up the time required to manufacture complicated parts.

    With 25 different presses and over 60,000 square feet of combined manufacturing space, we remain committed to constant improvement and innovation in all aspects of our work.

    Learn More

    These exciting new equipment additions are just the beginning. We believe in constantly adding to our skills and our equipment in order to best serve demanding industries, like the medical sector, with reliable custom parts — such as this high-quality spring and electronics shield we produced for vital monitoring equipment. Without the advanced manufacturing technology and the expertise needed to cut multiple part blanks at the same time, we wouldn’t have been able to deliver such a competitive budget or fast deadline for this order.

    To view more past work and further explore ESI’s capabilities, check out our gallery.

    View Our Gallery

    You can also request a custom quote to discuss options for your specific needs.

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