March 29

Broken gear on your paper shredder? Don’t throw it out! Print a new one!

I had this industrial paper shredder forever, it always had one broken tooth on the main drive gear that made a cringe-able thump every rotation. (Hence why I acquired it for free :) )

Info of the shredder: The worn sticker says”world ssc5″  after some research I found it to also be known as the “CCS 5000 Achiever”

After many years of use and abuse I finally gave up when the thump became louder and it was very apparent that the gears were slipping now.

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Another tooth was broken! Is this the end of my shredder?

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April 21

More decapsulated chips

Improved my method for decapsulating chips better.
I used a Mr coffee, coffee pot heat plate. With expendable metal plate on top. Used my drill press as a mill with a tungsten carbide drill bit making a small pocket in the chip for the acid to sit in.
I heated up the chips first on the plate then applied a drop of nitric acid. Rinsed with water, heated again then a drop of sulfuric acid water rinse. Then repeated till the dies were exposed.
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