P14042: Una-Crutch
/public/

Build, Test, Document

Table of Contents

New Vision and Redefined Requirements

At the start of MSD II, the team reflected and decided to focus more on the connection mechanism component of the Una Crutch. The NAlite Latch and uNAhandle were born. Here are the revised requirements we came up with.

Risk Management

Risks

Risks

Risk Management

Engineering Requirements

Engineering Requirements

Engineering Requirements

Engineering Requirements Revised

Customer Requirements

Customer Requirements

Customer Requirements

Customer Requirements Revised

NAlite Latch Connection Mechanism Build, Test, and Integrate

Pre Construction/ Design

Add-on Assemby

Add-on Assemby

Engineering Analysis, Axilla Add-On Engineering.

CAD, located in the NAlite folder, CAD.

Full Assembly

Extender

Latch

Initial Physical Prototype

NAlite

NAlite

NAlite

NAlite

Second Iteration- Plastic

NAlite2

NAlite2

Nylon Latch

Third Iteration- Plastic

NAlite3

NAlite3

CAD plans for this design can be found here, CAD in the uNAhandle3andlatch3 folder.

Latch #3

Latch #3

Latch #3

Latch #3

uNAhandle Build, Test, and Integrate

Design #1 Pre Construction

uNAhandle #1

uNAhandle #1

CAD plans for this design can be found here, CAD in the uNAhandle1 folder.

Handle #1 Drawing.

Handle #1 Sliding Button

Handle #1 Pin Block

Handle #1 Button

ABS Prototype

Handle #1 Makerbot

Handle #1 Makerbot

NAlite

NAlite

Design #2 Pre Construction

Frame for pads changed from design #1. Button, Pin, and Block components remain unchanged.

uNAhandle #2

uNAhandle #2

Handle #2 Female Handle Component

Handle #2 Female Male Component

Handle #2 Pad

Handle #2 Assembly

CAD plans for this design can be found here, CAD in the uNAhandle2 folder.

uNAhandle #3

uNAhandle #3

uNAhandle #3

uNAhandle #3

Design #3

uNAhandle #3

uNAhandle #3

CAD plans for this design can be found here, CAD in the uNAhandle3andlatch3 folder.

Test Plans,Test Results, Lessons Learned and Actions Taken

The Revised Detailed Testplan for each design can be found, Here.

Testing results and lessons learned are classified Here and the Feedback Sheet is listed Here

CAD plans for this design can be found here, CAD in the uNAhandle3andlatch3 folder.

Large Scale Production Costs & Cost Analysis

Large Scale Costs

Cost Analysis

Instruction Manuals & Patent Info

Latch Instruction Manual

Handle Instruction Manual

Patent Info


Home | Planning & Execution | Problem Definition | Systems Design | Detailed Design | Build, Test, Document | Project Review | Photo Gallery