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Manufacturing Technology Insights | Wednesday, August 04, 2021
3D printing allows manufacturers to create prototypes and full-scale items that are far more complicated than those that can be created by shaping or molding.
FREMONT, CA: New and innovative materials are needed to improve a vehicle's safety, cost, fuel economy, and noise emissions. While automobiles used to be exclusively made of steel, manufacturers have now shifted to aluminum, magnesium, and composite materials, which provide better performance. Novel production techniques are being used to accommodate these new materials.
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There are important automobile manufacturing trends to keep an eye on in the next years. New automotive materials, creative part manufacturing, and automated assembly procedures will rapidly reshape the automotive supply business.
Manufacturing of Automotive Parts in Novel Ways
Although cold-formed steel is currently the industry standard for making automobile parts, high-strength materials, as described in the novel materials section above, are the way of the future. Because high-strength steels are difficult to cold shape, hot forming/ stamping has recently become popular, allowing for the development of stronger, thinner, and lighter components.
The following are some of the cutting-edge manufacturing processes that will reshape car parts:
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Hot Formed Steel: Enhancing the heat of steel boosts ductility and helps form complex shapes without cracking.
Warm Formed Aluminum: Aluminum requires less heat, but the heating process is identical to steel. To promote flexibility, aluminum is warmed and molded at 200-300 degrees Celsius, then cooled to boost strength.
High-Pressure Thin-Wall Aluminum Die Casting: Due to aluminum's high melting and solidification temperatures, thin aluminum molds must be filled fast before the temperatures decrease. This necessitates the use of high-temperature, high-pressure production techniques.
Resin Transfer Molding: Resins are injected into molds at high pressure and meet a pre-inserted fiber preform. Light preform materials are transformed into high-strength vehicle parts in this way.
3D Printing: 3D printing allows manufacturers to create prototypes and full-scale items that are far more complicated than those that can be created by shaping or molding. High-strength plastics, aluminum, and certain stronger metals can all be used to print parts.
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As cold forming and traditional pressing or molding applications become less prevalent, newer, more inventive methods such as those described above will emerge. Because of its capacity to produce stronger and lighter steels, hot forming is currently the most preferred and will continue to outperform other automotive manufacturing technologies.
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