Lesson Notes By Weeks and Term - Junior Secondary 2

Metalwork machines 1

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TERM – 2ND TERM

WEEK SEVEN

Class: Junior Secondary School 2

Age: 13 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC TECHNOLOGY

Topic:  METALWORK MACHINES 1

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

  1. Define metal work machines
  2. Identify the types of metal work machines
  3. Identify the Uses of metal work machines
  4. Identify the Care and Maintenance of metal work machines

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers,

demonstration, videos from source

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

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher introduces and describe metal work machines

Students pay

attention

STEP 2

EXPLANATION

Teacher state and discuss the types and uses of metal work machines.

Students pay

attention and

participate

STEP 3

DEMONSTRATION

Teacher discusses care and Maintenance of metal work machines.

Students pay

attention and

participate

STEP 4

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

METALWORK MACHINES 1

Metalwork machines are tools and equipment designed for shaping, cutting, forming, and processing metal materials. These machines play a crucial role in various industrial and manufacturing processes. Some common types of metalwork machines include:

  1. Lathe Machines: Used for turning and shaping cylindrical metal pieces by rotating them against cutting tools.
  2. Milling Machines: Employed to remove material from a workpiece by advancing a cutter into it. They can perform various operations like cutting, drilling, and shaping.
  3. Drilling Machines: Specifically designed for creating holes in metal surfaces. They can be manual or automated.
  4. Grinding Machines: Utilized for abrasive machining processes to shape and finish metal surfaces.
  5. Welding Machines: Used to join metal pieces together by melting and fusing them.
  6. Bending Machines: Designed to bend metal sheets or pipes to specific angles or shapes.
  7. Shearing Machines: Employed to cut large sheets of metal into smaller pieces.
  8. Punching Machines: Create holes or shapes in metal sheets using a punching mechanism.
  9. Rolling Machines: Used to roll metal sheets or plates into specific shapes.

Care and Maintenance of metal work machines

Proper care and maintenance of metalwork machines are essential to ensure their longevity, performance, and safety. Here are some general guidelines:

  1. Remove dust, metal chips, and debris from the machine surfaces and components.
  2. Regularly lubricate moving parts and components as per the manufacturer's recommendations.
  3. Conduct regular inspections to identify wear, damage, or loose parts.
  4. Check and align machine components such as guides, spindles, and slides to maintain accuracy in machining.
  5. Ensure that all nuts, bolts, and fasteners are properly tightened to prevent vibrations and misalignments.
  6. Check and maintain the levels of coolant and hydraulic fluids.
  7. Inspect electrical components for wear and damage.
  8. Verify that all safety features, such as emergency stops and safety guards, are functioning correctly.
  9. Train machine operators on proper usage and safety protocols.
  10. Store machines in a clean, dry environment.

 EVALUATION: 1. What are metal work machines?

  1. Identify and describe 5 types of metal work machines.
  2. Mention 5 care and Maintenance of metal work machines.

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively