5 ms·
Any system in equilibrium will tend to keep its shape or deform predictably if viscosity is high. I exploit that in a rapid printing method I've developed. It p
by pontifier 6y ago
Any system in equilibrium will tend to keep its shape or deform predictably if viscosity is high. I exploit that in a rapid printing method I've developed. It prints directly into a stable volume using various methods such as focused energy or a moving planar array. The potential active printing speed is limited only by the data transfer speed into the volume. A secondary locking step is passive and allows the system to lock (cure or cool etc) in place without further input.
Relating my process to the linked technique, some of the parts could have been made of plastic powder placed precisely in the salt. The baking step could still be performed and the parts would be almost identical.
Imagine 10,000 tiny hourglasses in an array that can switch between depositing plastic or salt. They switch on the fly to leave plastic in the salt matrix. You can see how the speed could go up dramatically.
- rowanG077 6y agoCan you show your 3d printing proces with the result? I'm very interested.
- pontifier 6y agoI began building a proof of concept to print concrete in a sand matrix but never got that device working properly. It had a 6x6 array of 2“ square nozzles but I ran into problems with the mechanism to switch the nozzles between sand and concrete. I designed a second version that would have had better switching mechanism, but couldn't afford to build it.
- pontifier 6y agohere are a couple of pictures of my unfinished prototype: http://www.crossies.com/fleet3d/20170311_041304.jpg http://www.crossies.com/fleet3d/20170311_041304.jpg http://www.crossies.com/fleet3d/20170311_045338.jpg http://www.crossies.com/fleet3d/20170311_045338.jpg