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dav88

shredder v8 w gears

by dav88 Aug 8, 2017
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Before retirement I purchased such a shredder for photographic paper and film scrap; I really want to print this one ...!!

But how do I print the shredder and gear components? If I place them 'on end' the overhang will not be perpendicular to the shaft. If I place them on the side (tried that) there is insufficient contact with the bed and even with a brim the print detaches. If I use 'supports' I will be cleaning them out of the gear teeth forever.

What do you recommend? I am slicing in CURA.

Jerry

just print the gears horizontaly,, the supports are not that bad to remove. print the top and the hopper upside down. print the cranks flat side down. simple really. use rafts and supports. and use high % infill on cutters for strength.

Thank you for responding so quickly! Just one more missing piece: If I am going to print with supports 'scale' has to matter. The .stl file I downloaded into CURA had a scaling of 1(very tiny). I rescaled it to 15 ...but it's still small. What would you recommend? (At a larger size removing the supports would be easier.)

Jerry

the files are in inches. you should hav the software convert it for you from inches to metric. i dont know if cura does this cuz i use simplify3d which asks if i want to convert files i import to it.
or use meshmixer to convert it from inches to metric for your cura.

Hi there,
Have you actually made one of these yet ?
Greetings,
Peter Lunk

i made the gearless version which is exactly the same but without the gears so i turn each side by hand and it works great. all i have to to is make the geared cutters and replace the gear-less cutters to have this version here. all parts are interchangeable between these 2 versions. i hav a pic and movie, of the one i made here: https://www.thingiverse.com/thing:2416085

shredder v8 no gears
by dav88

Awesome and thanks for your reply :)
Could you supply only the seperate gears maybe ?
Greetings,
Peter Lunk

i dont understand you. the gears/cutters are one piece.

I understand... but I am designing my own schredder and only need the gears :) ghehehehe...

oh i see. well u can slice them off with your software. or you can download the gears from mcmaster carr website free. what can i do to help?

Made my own gears, found a good generator for gears online ;)

1st Proof of concept / Prototype (some bad printing)
https://www.youtube.com/watch?v=eFNvGIU-ts0

PL.

well done.