Level 3 Engineering BTEC

Engineering Design Principles

Design Principles and Concepts

• Form follows function: Design must first consider the product's intended use. A well-designed object should inform users about its functionality through its appearance.

• Iteration and incremental improvements: Designs should be honed through repeated testing and refinement. Each iteration brings nearer to an ideal solution.

• Sustainability: Consider the environmental impact of designs. Choose materials and processes that minimize waste, reduce energy consumption, and have minimal impact on natural resources.

• User-centred design: Focus on solving the user's problems and meeting their needs. Design for the user's convenience, comfort, and safety.

Solid and Geometric Modelling

• Understand the importance of technical drawings. They communicate clearly the intended design and allow for accurate manufacturing.

• Know three basic shapes used in solid modelling: primitives (cylinders, cubes, cones, etc.), extrusions, and revolutions.

• Be familiar with geometric modelling techniques like Boolean operations (union, intersect, subtract).

• Know the basics of three-dimensional (3D) modelling using computer software. Understand the purpose of using different types of views (top, front, side, 3D).

• Remember the importance of dimensions and tolerances in ensuring the successful replication or manufacture of a design.

Material Selection and Processes

• Understand the properties of common engineering materials including metals, plastics, and ceramics, and how these affect their application.

• Know how to select the correct material for a specific design. Consider the material’s strength, hardness, density, cost and availability: the right material for the right function.

• Gain basic knowledge of common manufacturing processes such as casting, welding, forming, milling, and how they affect material selection.

• Remember that the choice of material and manufacturing process can impact the cost, quality, and feasibility of a design.

Standards, Legislation and Compliance

• Be aware of the British Standards Institution (BSI) which establishes standards and guidelines for products and services in the UK.

• Understand the importance of health and safety regulations in both the design and manufacture of products.

• Know the different types of product certification marks, such as the CE mark, and their implications.

• Be aware of intellectual property rights such as patents, industrial designs, trademarks, and copyrights to protect your designs and avoid legal issues.

Quality in Design

• Understand the concept of quality control and how to implement it during the design process to ensure a quality product.

• Be aware of various quality measurement tools such as Failure Mode and Effect Analysis (FMEA) and Control Charts.

• Learn about Continuous Improvement (Kaizen) and how it is used in the design process to consistently enhance product design and customer satisfaction.

• Understand the concept of cost effectiveness in design and the need to balance quality and cost for a successful product.