How find models of extruder slab, or links for help me design this one?

I need design one slab extruder, but i don't know how get a the reference. You can help me, i hope. If you have one project sample, a main part is the screw conveyor and how do it oscillate (like one impact drill) similar this target="_blank"> on 1:56 min. Or links for help me with this.
Thanks so much.

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