This is common in progressive die forming. Sometimes the part is formed in a continuous strip, out of which it then has to be punched. The punch then clamps and forms the part in a single stroke.Īfter forming, the stripper rises up to eject the part, which Is removed. In operation, the metal blank is loaded onto the stripper. The punch and die (matched tooling) are dedicated and generally carry out a single operation such as forming or punching. Even so, fly presses still have their place in the metalworking industry. Hydraulic rams are generally preferred because they supply even pressure throughout the stamping cycle. The power is transferred to the punch by either hydraulic rams or mechanical means such as a fly press. Metal stamping is carried out on a punch press. The edges of automobile doors are usually hemmed.Sheet Metal Stamping TECHNICAL DESCRIPTION Hemming – folding an edge over onto itself to add thickness.Curling – deforming material into a tubular profile.
Reducing/Necking – used to gradually reduce the diameter of the open end of a vessel or tube.Used for beverage cans and ammunition cartridge cases. Ironing – the material is squeezed and reduced in thickness along a vertical wall.Often used to make smooth auto body parts. Stretching – the surface area of a blank is increased by tension, with no inward movement of the blank edge.Drawing – the surface area of a blank is stretched into an alternate shape via controlled material flow.Coining – a pattern is compressed or squeezed into the material.Blanking – a piece is cut out of a sheet of the material, usually to make a blank for further processing.Used primarily for adding decorative patterns. Embossing – the material is stretched into a shallow depression.Flanging – the material is bent along a curved line.Bending – the material is deformed or bent along a straight line.Our simple upload tool allows you to submit CAD files and/or part prints for more complete quotes.
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After contacting Pentar, our team will work diligently to develop a custom quote based on information you provide us. We have been successful in avoiding many of these complications by utilizing long-term knowledge and dedication to quality.Ĭontact Pentar today to receive a quote on your next precision metal stamping project. Our knowledge gained from years of completing emergency production runs and take over work from existing production, means that we know what complications can arise throughout the processes and life of a product. Our team is experienced in manufacturing precision metal stampings for both long and short production as well as emergency work. We are focused on working with you to create an economical product with consistent and lasting quality. Every member of our staff has been trained to ensure that a quality metal stamping is being produced throughout the entire process. Our determination to provide a high quality metal stamping begins with the development of the product and doesn’t end until it is delivered to your door. At Pentar Stamping our goal is to give our customers a high quality precision metal stamping no matter what the size or annual volume.
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