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The image illustrates a pencil manufacturing process starting with pencil lead production where ground clay and graphite are mixed with H2O to form a graphite dough. This dough is processed through a forming press to create graphite rods, followed by a drying phase resulting in pencil leads. Concurrently, pencil cases are made from wooden slats with grooves cut into them before they enter an oven at 80°C. Following this, glue and leads are placed between two slats to form a 'sandwich' which is then shaped by a shaping machine creating a smooth finish, resulting in a finished pencil.
Given the complexity of the image, the above description may not be entirely accurate.
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The process diagram depicts how the two main compartments of a pencil, a pencil lead and case are made.
The production of a pencil consist of two four-step linear processes that mainly uses graphite and wood as their raw materials. The materials go through shaping, baking, and cutting to form a finished pencil.
The production begins with a mixture of ground graphite, clay, and water being molded into graphite dough. The dough is then put through a forming press machine to form the leads. It then gets dried and baked at a high temperature of 800 degrees to solidify. The end products are put to use in the next process, which is forming the pencil cases. Grooves are cut onto wooden slats, then the leads that have finished baking are glued onto the wooden slabs, forming a ‘sandwich’ of slats. Lastly, they are put through a shaping machine, creating a smooth finish and a finished pencil.
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