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Parth Sharma
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Conceptual top view: a plate holding a four by three array of components between locating pins and two retention bars, with a nozzle reaching the array from one side and a camera field of view framing it. Not the actual fixture.Locating features and component arrayRetentionNozzle accessInspectionfield of view

Locate

  • Component locating and seating
  • Repeatable orientation
  • Dimensional accuracy
  • Component protection

Hold and access

  • Retention or clamping
  • Nozzle access
  • Loading and unloading

Inspect and repeat

  • Inspection visibility
  • Manufacturability
  • Repeatable use across many trials
Conceptual schematic, not the actual fixture.
  1. Fixture position
  2. Cleaning variables
  3. Machine-vision inspection
  4. Cleanliness and process comparison

Candidate factors

  • Nozzle-to-surface distance
  • Nozzle angle
  • CO₂ pressure or flow condition
  • Cleaning speed
  • Cleaning time or dwell time
  • Number of cleaning passes
  • Contamination type
  • Surface material or coating
  • Component orientation
  • Environmental conditions such as humidity
Five linked goals: Cleaning effectiveness, Repeatability, Setup speed, Manufacturing accuracy, Fixture usability. Qualitative only, with no values.Cleaning effectivenessRepeatabilitySetup speedManufacturing accuracyFixture usability
  • Accurate, repeatable component placement
  • Manufacturability
  • Efficient machining
  • Fast loading and unloading
  • Minimal setup time between trials
  • Consistent nozzle access
  • Repeatable inspection alignment
  • Durability across repeated experiments
  • Clear documentation and ease of use
All work
Jabil logo

Mechanical Engineering InternAug 2026 – May 2027

JabilThe fixture is not just a holder. It is the mechanical interface that makes the experiment valid.

A precision machined fixture designed to hold an array of co-packaged optics components during CO₂ snow-cleaning experiments.

Scroll to take it apart

01 · The Fixture

The fixture is being designed to control the hardware so the cleaning process can be studied.

Every component has to sit in the same place, the same way, trial after trial, while the nozzle and the camera can still reach it.

02 · The Experiment

The fixture supports a broad DOE, not a single-variable demonstration.

Selected factors will be varied during testing, while others will be controlled or recorded to support meaningful comparisons.

Candidate factors. Final levels and combinations will be defined through the approved test plan and equipment capabilities.

03 · The Optimization

The best fixture is not only accurate. It must also be practical to manufacture, quick to set up, and repeatable enough to support a large experimental matrix.

Project ongoing. Conceptual visuals, not the actual fixture, test plan or results.

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