How A Pencil Is Made, How To Machines
How A Pencil Is Made | How To Machines
At the Pencil Factory a “Groover machine” cuts grooves into the slats to accept the writing core (or “lead”). Writing cores – made from a mixture of graphite and clay – are placed into the grooves. Coloring pencils may use wax-based cores while many other formulations are used in cosmetic pencils. 12 Steps to Pencil Perfection STEP 1 Chunks of graphite (a soft, dark mineral) and clay are placed inside a huge rotating drum.