Debris Removal Auger

Mechanical Engineering Intern at Schlumberger

Sugar Land, TX

June-August 2019

For my summer internship at Schlumberger, I designed and prototyped an auger to remove debris while milling. I CADed the designs in Creo and prototyped them using additive manufacturing. The final auger design with a ratcheting mechanism to trap debris increased debris removal efficiency by 50% by combining the functionality of 3 existing tools. The final design successfully retained and conveyed fine and greased debris while milling.

Design

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I defined the constraints  and two use cases of the tool with my manager

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I researcher different aspects of augers by reading literature from the agricultural and oilfield industries

Prototyping & Testing I

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3D-printed components before assembly

I testing the prototype on fine grain sand

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The prototype in the natural locked position. It is opened by pushing on the auger.

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The prototype in the open position. Note the gap below the storage chamber.

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The auger itself, fully assembled.

Re-Design

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The auger conveyed the debris well but the spring locking mechanism required too much force to open. To address this, I redesigned the locking mechanism based on ratchet so that it would open easily when the rotary tool was spinning clockwise and lock when it was spinning counterclockwise.

Prototyping & Testing II

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The second locking mechanism prototype modeled after a ratchet

I simulated the ratchet mechanism in Creo

I tested the ratchet mechanism's locking ability before attaching it to the auger 

Presentation

I presented my design to the Center's leadership and as a poster at the intern poster session at the end of the summer. Additionally, I prepared a final report that I shared with the Center.

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