this post was submitted on 25 Apr 2025
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Technology
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Are truck chassis usually stamped? I had assumed they were made from cast components.
Definitely not cast. Some suspension parts are cast but most car frames are made from stamped sheet metal welded/bonded together.
Frame rails are usually stamped. Although low volume sometimes will brake press them.
Hmm. Well, plastic can have a pretty good strength to weight ratio, if taking up more volume in the process. If sheet metal can do it maybe they went all-plastic.
If they're including fibres too, that can famously exceed metal's rigidity depending on how precisely it's done.