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facilities:fablab:equipment-custom:plastic_recycling:plastic_shredder [2019/11/13 11:39] pmusk |
facilities:fablab:equipment-custom:plastic_recycling:plastic_shredder [2020/03/09 17:13] Michael Byrne |
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====== Plastic Shredder ====== | ====== Plastic Shredder ====== | ||
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Shredder components were laser cut by external service providers according to the design files available from the [[https:// | Shredder components were laser cut by external service providers according to the design files available from the [[https:// | ||
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* a transparent acrylic hopper was fabricated and mounted above the exposed shredder blades, to provide added safety and increase ease of feed. A short push stick was then used to assist feed entry to the shredder. | * a transparent acrylic hopper was fabricated and mounted above the exposed shredder blades, to provide added safety and increase ease of feed. A short push stick was then used to assist feed entry to the shredder. | ||
* the sieve screen was modified according to more recent Precious Plastics designs, with extra holes made in the shredder housing to allow the screen to be fixed in place using threaded pins, as a way to make removal and cleaning easier (see: [[https:// | * the sieve screen was modified according to more recent Precious Plastics designs, with extra holes made in the shredder housing to allow the screen to be fixed in place using threaded pins, as a way to make removal and cleaning easier (see: [[https:// | ||
+ | * DC motor was a [[https:// | ||
+ | * Gearbox was a [[https:// | ||
====Operational Observations==== | ====Operational Observations==== | ||
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* comparison with re-purposing an existing machine would be worth exploring, A garden shredder might do the job,for example, for a much lower cost. | * comparison with re-purposing an existing machine would be worth exploring, A garden shredder might do the job,for example, for a much lower cost. | ||
* the motor seems underpowered. While this is constrained by using a 24V system, upgrading to 240V, and installing a 2kW motor would overcome many of the jamming and overheating problems. | * the motor seems underpowered. While this is constrained by using a 24V system, upgrading to 240V, and installing a 2kW motor would overcome many of the jamming and overheating problems. | ||
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+ | ====Inductions==== | ||
+ | Draft induction paperwork has been developed, and is awaiting approval. | ||
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