Cultural and Creative Arts - Junior Secondary 1 - Modeling with paper mache

TERM: 1^ST TERM

WEEK SIX

Class: Junior Secondary School 1

Age: 12 years

Duration: 40 minutes of 5 periods each

Date:

Subject: CULTURAL AND CREATIVE ARTS (CCA)

Topic: MODELING WITH PAPIER  MACHE

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) What is the meaning of paper machine

II.)  Identify the materials made from a paper machine

III.) Define modelling

IV.) Discuss the process of modelling.

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

NOTE

MODELING WITH PAPER  MACHE

A paper machine is a large industrial machine used to produce paper from pulp, typically made from wood fibers or recycled materials. The process involves several stages, including pulping, refining, forming, pressing, drying, and finishing, to produce various types of paper products.

Materials made from a paper machine

Materials made from a paper machine can vary widely depending on the specific type of paper being produced and the intended use. Some common materials made from paper machine include:

1. Printing and Writing Paper: Used for printing books, newspapers, magazines, and office documents.
2. Packaging Paper: Used for packaging products such as cardboard boxes, cartons, and bags.
3. Tissue Paper: Used for facial tissues, toilet paper, paper towels, and other hygiene products.
4. Kraft Paper: Strong, durable paper used for wrapping, packaging, and industrial applications.
5. Specialty Papers: Including specialty packaging materials, labels, filters, and other customized paper products for specific applications.

Modelling

The process of modeling using a paper machine involves several stages to produce three-dimensional objects or structures from paper pulp. While paper machines are primarily used for producing flat sheets of paper, they can also be adapted to create molded paper products through additional processing steps. Below is the process of modelling:

1. Preparation of Paper Pulp: The process begins with the preparation of paper pulp, which can be derived from wood fibers, recycled paper, or other sources. The pulp is mixed with water to create a slurry with a uniform consistency.
2. Molding Stage: The paper pulp slurry is fed into a molding machine or a series of molds specifically designed to shape the paper into the desired form. These molds may be made of metal, plastic, or other materials and are typically shaped to create specific objects or structures.
3. Formation of the Object: The paper pulp slurry is deposited into the molds, where it begins to settle and adhere to the mold surfaces. The molds may have intricate patterns or designs to impart texture or detail to the finished product.
4. Water Removal: Once the desired shape is formed, excess water is drained or removed from the pulp using suction or pressure. This helps to consolidate the paper fibers and improve the strength and stability of the molded object.
5. Drying Stage: The partially formed paper objects are then transferred to a drying section of the paper machine, where they are subjected to heat and airflow to remove remaining moisture and solidify the paper structure. This can be achieved through various drying methods, such as air drying, steam drying, or infrared drying.
6. Finishing and Packaging: After drying, the molded paper products may undergo additional finishing processes, such as trimming, cutting, or surface treatments, to achieve the desired appearance and quality. Finally, the finished products are packaged and prepared for distribution or further processing.

EVALUATION: 1.  What is paper machine?

2. Mention 5 materials made from paper machine
3. Discuss briefly the processes of modelling

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively