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Table of Contents
Table of Contents
Introduction
Introduction
Various factors come into play before making a final decision on how a system should function. Using Fusion 360, a computer-aided design software (CAD), a system can visualized with fine detail before components are ever ordered. The use of CAD modeling will allow the GHS Suction Arm Team to save time, error, and money by visualizing the completed and final system through the eyes of a screen.
Basic Component Breakdown
Basic Component Breakdown
Before researching specific products and there various price ranges, the GHS Suction Arm Team used Fusion 360's computer-aided design software (CAD) to generate a basic idea of the components that will be implemented. This provides a benchmark for the research and design that will take place moving forward.
Vacuum Pump
Vacuum Pump
Side View
Top View
Front View
3D CAD
3 Valve Solenoid
3 Valve Solenoid
Side View
Top View
Front View
3D CAD
Beveled Suction Cup
Beveled Suction Cup
Side View
Top View
Front View
3D CAD
Fittings Model
Fittings Model
Side View
Top View
Front View
3D CAD
Design Development
Design Development
Basic Design
Basic Design
Shown is a basic layout of the suction arm system. Utilizing a a vacuum pump in combination with a 3 valve 2 way solenoid, the suction cup should theoretically be capable of attaching and detaching to surfaces. Additionally, with the vacuum pump's check valve, the suction cup should hold suction to a surface after the pump is turned off.
Total Cost : ~$53.51-108.99
2nd Design
2nd Design
Each arm of the Kwadropus robot is expected to have at least 2 suction cups. Utilizing a 2-headed vacuum, as well as 2 valve and 3 valve solenoids, the suction arm should be able to attach to surfaces, and choose how many suction cups to activate. Additionally, the suction cup should autonomously attach to the surface. By creating an apparatus with ultrasonic sensors, the vacuum pump and solenoids will be activated when the suction cup reaches a surface.
Fittings/Adapters to ¼” NPT ($11.70 Total)
Total Cost (including all unlabeled parts) : $704.35
3rd Design
3rd Design
Cost is a major factor in designing a system for a prototype. Glenelg Highschool has provided the GHS Suction Arm Team with a $100 budget. Through contacting KNF, the Glenelg Suction Arm Team was provided a less expensive alternative 2-headed vacuum pump. Additionally cheaper solenoids are implemented into the system to aid in lowering the cost.
Fittings/Adapters to ¼” NPT ($53.66 Total)
Total Cost (including all unlabeled parts) : $241.52
Final Design
Final Design
Although the previous vacuum pump implemented is affordable, it does not fit the 1/4 inch tubing that is provided by Glenelg Highschool. Additionally, the use of adapters can increase both the price, and probability for air leaks. Utilizing a more expensive pump that can fit with the tubing provided will decrease to probability of air leaks. Additionally, this design utilizes the Vex ultrasonic range finders provided by the school, rather than having to order the HC-SR04 ultrasonic sensors used in the previous design.
Fittings/Adapters to ¼” NPT ($19.68 Total)
Total Cost (including all unlabeled parts): $207.54
Price List
Price List
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