Group 14 - 2013 Work Proposal

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Contents

Tools

Screws marked in Grey, Belt-clip release in Blue

Few tools will actually be necessary to Disassemble the drill.
Tools listed used for the dissection will also be used for reassembly.

  • Phillips Head Screwdriver*
  • Slotted Screw Driver*
  • Hex Keys
  • Pliers

*Size may vary depending on the size of the screws used in the drill.
**Not all tools listed will certainly be required for Assembly/Disassembly.

There may also be tools required which have not yet been determined.

Dissection Process

Step # Step Process Details Estimated Time
1 Use a large slotted screwdriver to remove
belt-clip from handle
1/2 min.
2 Use Phillips-head screwdriver to remove
the eight screws on the outside of the drill
2-3 min.
3 Remove top-half of the plastic mold of the drill 0-1/2 min.
4 Unscrew inner components of the drill 3-7 min.
5 Remove the electrical wires attached
to the components to enable removal
2-5 min.
6 Lift the inner components out of the housing 3-4 min.
7 Separate components 5-15 min.


We plan to take our time with the disassembly between steps to properly document all of our work. Each step in the dissection will unveil a new component to the drill that we must analyze and research. In our management plan we have expressed that we will be doing the dissection process for quite some time, after the basic breakdown we would like to further explore the possibilities of breaking down the subsystems as well. The time that this will take and level of completeness is unknown. We plan to spend the majority of time during dissection just focusing on different components and theorizing the possible reasoning that the original design team of the drill went through with each step.

Reassembly

For the reassembly of the drill, we plan to use our pictures, personally compiled disassembly instructions and documented parts list along with the assembly drawing available to us in the owner's manual. We do not expect this to be very difficult, however, if there are any problems encountered we plan to use a variety of guides available on the internet. We are fairly confident in our ability to properly summarize and document each step we take to complete the dissection and also in our ability to retrace our steps and work backwards towards the assembly of the drill back into its original, fully functional state.

Perceived Challenges

We believe that the overall task of disassembly and reassembly of the drill will be fairly easy if we follow our dissection process. However, we do expect to have a certain degree
of difficulty completing certain steps. The most challenging will probably be putting the keyless chuck and bit mount back together. This has many moving parts and precision is a necessity
for the proper function of the drill and the safety of the user after it is reassembled. It may also be a challenge to preserve the electrical components of the drill and rewire them correctly during reassembly. The drill's inner electrical wiring is not very complex, however only a couple of us have experience with electrical systems, which may pose its own challenges.

Capabilities

Overall, our group has what is required to successfully complete the project. We have all of the tools we think will be required to take the drill apart and put it back together. We also have the necessary documentation skills to completely and concisely record our actions and discoveries, as well as a strong background with the disassembly and reassembly of mechanical devices. To help us better plan the stages of product dissection and reassembly we have identified the main skills needed that each of our group members currently possess. This will help us properly set a schedule of who should perform certain tasks during each stage of the project.

Group Member Skills
Skill Tim Muhammad Ethan Brian Nurul
Communication X X X
Presentation X X X X
Technical Writing X X X
Programming X X X
Management X X X X
Mechanical Labor X X X


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