Die Cutting 3M AdhesiveProject description:
One of our clients attempting to improve their assembly line operations approached us for the production of the die cut copper film product shown here. We worked side-by-side with them to gain an understanding of the product's functionality and took the time to learn about the issues they were having with their existing assembly line. Armed with this information, we evaluated the supplied drawing, and then suggested modifications to improve the manufacturability and solve their assembly challenge.
As a well-respected converter of 3M™ products, we recommended the use of their copper foil shielding tape 1181, which features a smooth copper foil backing and conductive acrylic pressure-sensitive adhesive and liner. Our technicians selected tooling and setup a process on our high speed die cutting press to make a kiss cut. Kiss cutting makes a clean cut of the perimeter but does not penetrate the backing material, allowing the product to remain on the liner sheet for easy peel-off during assembly. This task required a great deal of precision because of the film and backing together measured only a few thousands of an inch thick.
Prior to mass production, we ran samples for first article inspection and approval. Additional quality assurance involved first-off and in-line inspection as well as post-production verification and validation to the drawing specification.
We set up the process to be cost-effective in short runs of about 500 units as well as larger runs of up to 100,000 units or more. Combined with the discount we get from 3M on their products, we kept unit costs very low. By successfully addressing our client's needs, we formed the foundation for a strong partnership going forward.
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3M Adhesive Project Details
- Capabilities Applied/Processes
- Machine specific activity. Access to 3M Converter products.
- Equipment Used to Manufacture Part
- Preco high speed die cutting press.
- Overall Part Dimensions
- 3.5 x 5.0 x .003"
- Tightest Tolerances
- Material Used
- 3M 1181 copper foil tape
- Industry for Use
- In Process Testing/Inspection Performed
- First article dimensional inspection and approval, First off inspection, in line inspection. Post production inspection to drawing specification.
- Delivery/Turnaround Time
- 1-3 weeks