ENGINEERING DESIGN PROCESS
ENGINEERING DESIGN PROCESS
3rd Edition
ISBN: 9781305253285
Author: HAIK
Publisher: CENGAGE L
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Chapter 4.12, Problem 5P

(a)

To determine

The design brief of a trolley to lift engines from the car.

(b)

To determine

The design brief for a jack to lift cars weighing up to 1 ton to change wheels.

(c)

To determine

The design brief of a spoon tree to hang washed spoons in kitchen.

(d)

To determine

The design brief of a reading assistant to hold and present multiple open books for cross-referencing.

(e)

To determine

The design brief of a single-stage scissor lift for decorators.

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a. Currently, you serve as a robotic engineer by a company, and your boss want you to design a robot in spatial space to satisfy the following conditions: i. Max reachable distance of the robot is 1 meter. ii. Only using revolute joints, connecting links and rigid load bearing links (the length of link is 0.5m). iii. The degree of freedom (Dof) of the robot is 2. What is your design, how many joints and links will you use? b. The payload of your design is 10 kg (each load bearing link can hold 5 kg, 5 kg+5 kg=10kg, the weight and payload of the connecting links will be ignored), but your boss wants your designed robots to handle 20 kg payload. How will you update your current design, and how many joints and links will you use in the new design? What is the Dof of the new designed robot.
TOPIC: Machine Design Multiple choice Note: Please also provide a solution that proves the correct answer.
Please choose the false answer(s) from the following statements related to CAD!   a. It can be used for programming of robots, which may operate in a workcell arrangement, selecting and positioning tools and workpieces for NC machines. b. It is a technology which uses computer system to assist in the creation, modification, analysis and optimization of a design. c. Geometry can be used as a basis for other functions in CAE and CAM, saving time and reducing errors caused by redefining the geometry of design. d. Basic role of CAD is to define the geometry of design (computer aided drafting, and geometric modelling are the most important component of CAD).
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