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Our Mandrel Tube Extrusion machine is designed to be "desktop" sized. The whole machine is roughly the size of a microwave. Using such a small scale allows us to more easily understand the interactions between parts in the design, as well as being much easier to work with and produce. With that said, below are the most important dimensions of our reference machine. This is the design we based our machine off of. The ratio of the Container Inner Diameter, which is a critical dimension of the machine, is roughly 1:6. You can also use the link below to learn more about our reference machine.
One large difference between our prototype and the reference machine is their techniques to hold the die in place. Our prototype uses a "sliding door" mechanic, allowing the die to easily be removed in the Z axis, while still being secure in the X and Y axis. This ease of use change works well on a small scale machine, but is not used in our reference machine, which is under much more stress.
Similarly, our machine does not have any heating or cooling mechanisms. Using Plasticine to replicated high-temperature aluminum works well, but we then have no means of prototyping a cooling system for the formed part.
Container inner diameter : 180mm
Billet diameter: 7"
Billet length: 24"
Force: 1700ton
SMS Group Extrusion presses
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