Building a Crate

• js307

In this project, I worked with my buddy Kerry to build  crate using precut wood.

I drew out a representation and labeled all the wood pieces. For example, B for the base, A for the shorter edge, and C for the longer edge, so that we don’t accidentally put two short ones together. The Xs are where we plan to put the screws.
For the first day, I put together the base and one set of the edges. I briefly sanded it with sandpaper so that there’s no dangerous wood poking our hands.

In the second session, Kerry joined me. We decided to add some special features: handles! I drew and cut out the handles while Kerry was sanding the parts I previously made outside. I used the bandsaw and scroll saw  to cut out the pieces.

I then started putting the rest of the pieces together while Kerry began the routing process

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After preparing all the assembled parts, we began assembling the crate all together. Then we assembled the frames to the vertical supports of the crate. We put a piece of 1×4 wood to ensure an even space between frames. The vertical part of the wood was higher than expected so we cut and sand the extra vertical supports of the crate afterward for a better finish.

Since we marked on the wood, we wanted to spray paint it to cover it up. It was dark when we did it, which was not very efficient because we could not see clearly which part were covered evenly and probably wasted some paint by spraying an area multiple time.

We came back the next day and during class work time, we spray painteda

Proof for clean up the main workspace!

Raw materials:

$13.33

  1. 2×2 lumber in Home Depot: 0.37/foot, in total 40 inches;$1.23
  2. 1×4 wood plank in Home Depot: 0.39/foot, in total 200 inches; $6.5
  3. 40 wood screws: 0.14/screws; $5.6

Labor:

$80

  1. 3 hours of Kerry’s time & 5 hours of Jessica’s time. Each hour of working as a TA gets $10, in Rice University

Machine Time:

$45

Assume the rental price of a scroll saw to be $40 a day, router $20 a day, drill $15 a day, and sander $15 a day. Assuming the hourly price to be half of the price. The total cost of using machines is $45

Total:

$138.33

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