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uploaded it to step 5
Yes that is always an option to cut material. just not the ideal method. I had looked into 1/4 in thick precut metal disks and then would only have to cut teeth into them. Going this route would give perfect circle blades so they would mesh good but the cost of the steel and the time used to cut each would still be more then i wanted to spend. If i had the time i would like to go this route but at the moment it will probably not happen.
I havent adjusted the depth of cut since i set it to the max depth. Since the adjustment moves the height of the infeed table it would move my chute since it is all hard mounted.
I have seen people iron plastic bags together to make 1/2 in sheets of them and if you did that they would probably shred nicely. Yes a version with just a tube would be great for doing water bottles, if you get one made you should share your results.
I have seen blades shatter on these to but since this is a proof of concept i wanted to be able to see what was going on, hence the plexi glass. Once i have a more refined design everything will be fully enclosed.
He might have, they both achieve the same style of cut and are both around the same price.
I havent tried any other types of plastic yet but im planning on trying bottles and caps. Im not sure how well plastic bags would work because they might just get wrapped up. I also havent had any problems with melting so far. I thought about possibly making it adjustable since I probably dont need the full speed so i might try this in the future. Most other shredder use offset rows of blades so they work better at slow speeds to rip the plastic, this mostly just cuts the plastic since it just has blades across the drum.
Low Cost Plastic Shredder
I'm planning on building an extruder to make it into new filament
I have looked at his and they still require water jet parts which is fine if you can find someone local to do it but having to order costs quite a bit
Low Cost Plastic ShredderView Instructable »
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