P19603: Rod Feeding Mechanism

Build & Test Prep

Table of Contents

Build & Test Prep Phase Review and Agenda



MSD 1 Post-mortem

Take aways from MDS1: This was mostly covered in MSD 1.

What we plan to do differently this semester to improve:

Design Update

Hopper Subassembly simplified, combined 3 parts into 1 simpler part:

public/Photo Gallery/Hopper_SubAssembly_CAD.png

public/Photo Gallery/Feeder_Old_Design.png public/Photo Gallery/Feeder_New_Design.png

public/Photo Gallery/Octopus_CAD.png public/Photo Gallery/Mounting_Brakcet_CAD.png

Parts Received and Additional Purchasing

public/Photo Gallery/BOM1.PNG public/Photo Gallery/BOM2.PNG

Budget Update

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Waterjet Update

Water jetted first set of parts:

These parts still need some post-processing (Holes drilled, sharp edges broken, bends made), some of which has already been done.

public/Photo Gallery/WaterJet_Parts_All.jpg

public/Photo Gallery/Octopus_WaterJet.jpg

Other Part Manufacturing Updates

public/Photo Gallery/Hopper_Assembly_1.jpg

public/Photo Gallery/Eighty_Twenty_1.jpg

Assembly, Testing, and Prototyping

public/Photo Gallery/Cardboard_CutOut.jpg public/Photo Gallery/Cardboard_Fitting_Test.jpg public/Photo Gallery/Cardboard_Fitting_Test_with_Bracket.jpg

public/Photo Gallery/MSD2Phase1Feedblock.jpeg

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Test Plan Summary

The test plans were completed in MSD 1. Full Test Matrix:
Master Test Matrix Correlates All ERs With Measurable Tests

Master Test Matrix Correlates All ERs With Measurable Tests

The live document is here.

Test Plan 1: Tests all primary requirements. Under each rod condition, run the device for 10 minutes 10 times. The counting rig shown below will create a time series, allowing us to measure both the average feed rate over a long period, and the distribution of delays between individual rods. It also confirms that the device stores sufficient rods and operates under that condition.

Test Plan 2: Confirms that device will stop and start under required conditions (RS422 signal from Vader level sensor)

Test Plan 3: Confirms that the device can be cold started in a reasonable amount of time.

Counting Device:

public/Detailed Design Documents/countingdevice.PNG

Week 6 Subsystem Demo

Demonstrate each subsystem working separately (not integrated)

Risk and Problem Tracking

Risk Assessment Update:


Problem Tracking:

The team will use the MSD provided process and template.


There are no problems identified at this time.


MSD 2 plan:

High Level Overview of MSD 2

High Level Overview of MSD 2

Phase 2 plan:

Detailed Plans for Phase 2

Detailed Plans for Phase 2

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