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Republic of the Philippines
Department of Education
Region IV-A CALABARZON SCHOOLS DIVISION OF QUEZON PROVINCE CATANAUAN II DISTRICT DOONGAN ILAYA NATIONAL HIGH SCHOOL LESSON PLAN Teacher EMMA D. BENTONIO Grade Level 11-SMAW Teaching Date February 5-8, 2024 Learning Area SMAW NC II Teaching Time 7:30-9:30 a.m. (Monday to Thursday) Quarter Three Number of Days 4 Days MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY I. OBJECTIVES A. Content Standard The learner demonstrates an understanding of the concepts and underlying principles in Shielded Metal Arc Welding (SMAW) B. Performance Standard The learner independently performs Shielded Metal Arc Welding (SMAW) processes based on market standards. C. Most Essential Learning Competencies Perform root pass with root penetration not exceeding the allowable tolerances D. Learning Competencies or Objectives At the end of the lesson, the learners are expected to: A. Identify and classify the essential tools used in welding pipes based on their functions and applications. B. Demonstrates how these tools are used in pipe welding. C. Realized the importance of using the appropriate tools in pipe welding. At the end of the lesson, the learners are expected to: A. Introduce students to different types of welding machines. B. Explain the concept of welding currents and their importance in the welding process. At the end of the module, the learners are expected to: A Introduce students to the concepts of conductors and insulators. B. Understand the role of conductors At the end of the module, the learners are expected to: A. Introduce students to the different types of welding machines. B. Understand the basic components
C. Understand the significance of polarities in welding. and insulators in electrical circuits. C. Value the importance of knowing electrical conductors and insulators. and functions of welding machines. C. Explore the applications of welding machines in various industries. II. CONTENT LO1: TOOLS USED IN PIPE WELDING WELDING MACHINE
CONDUCTORS
AND
INSULATORS
WELDING
MACHINES
AND
ACCESSORIES
III. LEARNING
RESOURCES
A. References
- Teacherās Guide Pages
- Learnerās Material Pages
- Textbook Pages
- Additional Materials from Learning Resources https://learnabout- electronics.org/ Resistors/ resistors_01.php B. List of Learning Resources for Development and Engagement Activities Materials: Whiteboard and markers Projector and screen Welding pipe samples Various welding tools (welding machine, cutting tools, measuring tools, etc.) Safety equipment (gloves, welding helmets, safety glasses, etc.) Materials Needed: Whiteboard and markers, Projector and screen, Welding machine models (if available), Safety gear (safety glasses,
various industries. Allow students time to conduct brief research on current welding machine innovations. Encourage them to explore online resources, articles, and videos to gather ideas and inspiration. B. Lesson Proper A. ACTIVITY Group Activity:
A. ACTIVITY
Group Activity: Welding Machine Selection A. Divide students into small groups B. Provide scenarios or projects where students need to choose the most suitable welding machine, current, and polarity. C. Encourage discussions and reasoning behind their
A. ACTIVITY
Direction: Identify the following if it is conductor or insulator. B. ANALYSIS
- Is identifying the
A. ACTIVITY
Research on the meaning of the following:
- Welding cables and connectors
- Welding cables and sizes
- Electrodes Holder
- Ground Clamps B. ANALYSIS Facilitate a group brainstorming session where
Divide the class into small groups and provide each group with a set of welding tools. Ask each group to classify the tools based on their functions and applications. Circulate among the groups to provide guidance and answer questions. choices. D. Each group presents their choices to the class. B. ANALYSIS C. ABSTRATION I. Introduction to Welding Machines A. Definition of welding machines B. Overview of different types of welding machines
- Transformer-based machines
- Inverter-based machines
- Engine-driven machines C. Advantages and disadvantages of each type II. Understanding Welding Currents A. Explanation of welding currents B. Types of welding currents conductors and insulators difficult?
- What is your basis of identifying if the object is an insulator or conductor?
- What is the importance of knowing if the object is a conductor or an insulator? C. ABSTRATION Conductors In electrical and electronic circuits and components, CONDUCTORS are materials that allow electric current to flow through them because their atomic structure lets the outermost (free) electrons move easily from one atom to another, and because the electrons carry a negative electric students discuss potential features and improvements for welding machines. Emphasize the importance of considering practicality, safety, and sustainability in their designs. C. ABSTRACTION I. Introduction to Welding Machines ( minutes) A. Definition of welding machines B. Importance of welding machines in various industries C. Overview of the different types of welding machines
- Transformer- based machines
- Inverter-based machines
- Engine-driven
processes E. Practical examples and case studies IV. Safety Precautions in Welding A. Importance of safety in welding B. Overview of safety gear and equipment C. Demonstration of proper safety practices in welding though it at a high voltage. Neon indicator lamps have many uses and can be used with either AC or DC current. Insulators Materials that prevent the flow of electric current are called INSULATORS. These are mostly solid materials in which the outer electrons of each atom are tightly bonded to the nucleus of the atom, preventing any electron movement within a ānormal rangeā of applied voltage. Materials commonly used in electronic circuits include:
- Controlling welding current and voltage
- Selecting welding polarity B. Demonstration: Adjusting welding parameters on a machine (if possible) IV. Types of Welding Processes A. Overview of common welding processes
- Shielded Metal Arc Welding (SMAW)
- Gas Metal Arc Welding (GMAW)
- Gas Tungsten Arc Welding (GTAW) B. Discussion on the specific welding machines used for each process
Insulators Plastics (e.g. Polystyrene, PVC Bakelite and Polythene) Glass (including Fibre Glass) Ceramics Resins (e.g. epoxy resins) Paper (usually impregnated with wax, resin etc.) Rubber (Natural or synthetic) I. Introduction to Conductors and Insulators ( minutes) A. Definition of conductors and insulators B. Importance of understanding conductivity in electrical circuits C. Real-world examples of V. Applications of Welding Machines ( minutes) A. Discussion on the diverse applications of welding machines in various industries (construction, automotive, aerospace, etc.) B. Case studies of real-world projects and how welding machines are utilized VI. Safety Precautions in Welding ( minutes) A. Importance of safety in welding B. Overview of safety gear and equipment C. Demonstration of proper safety practices in welding
of electrical insulation using a simple circuit D. Hands-on activity: Testing various materials for insulating properties and classifying them IV. Applications of Conductors and Insulators ( minutes) A. Discussion on practical applications of conductors in daily life and industry B. Discussion on practical applications of insulators in daily life and industry C. Examples of how conductors and insulators are used in electrical devices V. Group Activity: Designing a Circuit (30 minutes) A. Divide students into small groups
B. Provide materials for creating a simple circuit C. Instruct students to design a circuit using conductors and insulators D. Each group presents their circuit design to the class, explaining their choices of materials VI. Safety Precautions in Handling Electrical Components ( minutes) A. Importance of safety in working with electrical circuits B. Demonstration of proper safety practices C. Emphasize the use of safety goggles during hands-on activities A. Concluding Activities Summarize the main points of the lesson, emphasizing the importance of using the right tools in welding pipes. A. Recap key points on welding machines, currents, and polarities A. Recap key points on conductors and insulators
