SHS3 Design And Communication Technology · Semester 2 Week 11: Mechanical Drawing

Lesson notes

Learning Objectives

Indicator: 3.3.2.LI.1 - Explain the principles of assembling component parts.

By the end of the lesson, learners can:

Define assembly drawing and distinguish it from a detail drawing in their own words.
Identify at least four types of assembly drawings (e.g., general assembly, detail assembly, erection assembly, and sub-assembly) and state one purpose for each type.
Explain the key principles of assembling component parts, including correct fit, sequence of assembly, alignment, and the use of standard parts.
Discuss the practical importance of assembly drawings in applied technology, citing examples from local manufacturing and repair settings.
Present a short group report on the types, uses, and explanation of assembly drawings, demonstrating collaboration and clear oral communication.

Sign in with your phone number to read the full note and download the GES plan - free.

Sign in with phone number

Curriculum details

Strand: Extended Drawing (Strand 3)
Sub-strand: Mechanical Drawing (3.2)
Content standard: 3.3.2.CS.1 - 3.3.2.CS.1 Understand the concept of Mechanical drawing. 3.3.2.LO.1 Apply the concept of assembly and working drawings in applied technology.
Indicator: 3.3.2.LI.1 - Explain the principles of assembling component Parts.
Suggested placement: Semester 2, Week 11 (Week 31 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 102

Exemplars (from the NaCCA curriculum)

Research, Managing talk for learning:
1. With the use of internet surfing, YouTube videos, pictures, charts and board illustrations, review learners' knowledge on sectional drawing in year two.
2. Engage learners in group discussion to outline the types of assembly drawings and explain them
3. Assist the learners to come out with a comprehensive report from their research on the types, uses and explanation of assembly drawings in a whole class discussion

Assessment (3.3.2.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 2 Skills of conceptual understanding.

Teaching and Learning Materials:
- Models
- charts and drawing instruments
- such as set-squares
- protractor
- pair of compasse
- dividers
- reference books
- drawing studio
- access to internet
- LCD Projector.