Essay on Cutting and Pen Manufacturing Lab

Submitted By philhad
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Pages: 5
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Pen Manufacturing Lab

Professor xxxx xxxx Group Members xxxxxx xxxxx xxxxxx xxxxxx

Introduction: The objective of this lab was to use our previous knowledge of the Mastercam X6 software, CNCBase for proLight 300, and the proLight Turning Center to design, machine, and assemble a fully functional twist pen. For this lab the team worked both individually and together. Although we each created a different design for our pen, we still worked together to create the code and machine each pen. With this lab being much more open-ended than other labs, we had the freedom to design and create each pen to our own specifications. The most important parts of this lab were to be creative with our designs, and to recall our previous knowledge of the Mastercam software, as well as the proLight lathe.

Equipment/Tools: Below are the equipment used to achieve our goal of designing and constructing a pen:

Safety glasses
Pen kit
Acrylic pen blank round
Calipers
9” Band saw
10” Drill Press
6” Bench Grinder
Vice
Engraver
Mandrill
Super glue
Sand paper proLIGHT 3000 Turning Center
Mastercam X6 software
CNCBASE for proLIGHT 3000 Turning Center
Diamond cutter (cutting Tool #1)
Polishing kit
Pen Lab handout
Pen Design Support handout

Results and Discussion: For this lab, four different pens were designed for each of us in the lab. Each of the pens was designed differently and had certain specification that needed to be met for each one. Each pen had to be measured correctly to make sure that each of the parts fit. For example, the upper and lower tubes needed to fit into the upper and lower barrel. For this lab discussion, the pen that is going to be discussed is that one that will be provided with the lab. For this pen, the upper and lower barrels were both kept a bit thicker than the other pens that were designed. It has a thicker upper barrel and thins out smoothly to the base of the lower barrel. The pen was designed to be smooth all the way from the top of the upper barrel to the bottom of the lower barrel with no dips or rises in between the two. During the cutting, the barrels were cut a little bit shorter than the tubes, causing the tubes to stick out a bit. When the pen was constructed, it caused to have a small gap in between the upper and lower barrels but not so much that it would be significantly noticeable.
One problem for the pen was the center vand. When looking at the pen, the section where the center band is inserted into the upper band does not completely fit perfectly into the hold. When taking a closer look at it, there is a small gap in between where the center band should touch the upper band. The other problem with the pen was the clip on the upper barrel. When examining the upper barrel and the clip, the clip is concavely bent. This is because the upper barrel’s diameter is slightly bigger than having the clip sit perfectly parallel to the pen. If the upper barrel’s diameter was slightly smaller, the clip would sit perfectly on the pen. Finally, the only tiny notch in the pen would be where the center band is. At this location, the center band sits slightly lower than the the upper and lower barrels. This does make the pen not smooth throughout the entire pen.

Team Contribution: xxxxxx: Provided pen to submit for lab report
Created operation sheet which group utilized throughout the the lab
Operated machine from the ProLIGHT 3000 Lathe software during the second lab day to machine pen:
Set-up “Machine Home”
Positioned tool for initial X and Z axis set up
Performed manual tool movements
Set-up axes for dry run xxxxxx: Carefully inspected stock and tool movements during set-up, dry runs, and machining.
Mounted workpiece onto mandrel and/or chuck
Assisted operator in establishing X and Z axis positions
Set hand on emergency stop button in case of potential collisions or unexpected deep tool cuts
Vacuumed and cleaned workspace at the end of each lab
xxxxxxx:
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