automated fuel element wire shearing mechanism justen bock, christopher johnson
DESCRIPTION
Automated Fuel Element Wire Shearing Mechanism Justen Bock, Christopher Johnson Alberto Castro, Richard Fries. Design Review Outline. Background Problem Definition Fuel Element Delivery Fuel Element Orientation Fuel Element Wire Shearing Fuel Element Rod Chopping - PowerPoint PPT PresentationTRANSCRIPT
Automated Fuel Element Wire Shearing Mechanism
Justen Bock, Christopher Johnson
Alberto Castro, Richard Fries
Design Review Outline
Background Problem Definition Fuel Element Delivery Fuel Element Orientation Fuel Element Wire Shearing Fuel Element Rod Chopping Fuel Element Waste Management Integrated Solution Concepts Budget/Timeline Discussion Questions
Background
Currently a technician manually loads the fuel elements into the shearing and chopping devices using the master/slave manipulator.
Problem Statement
Design a labor-saving process for separating fuel elements from spacer wires at the INL Materials and Fuels Complex. This includes the following operations:
1. Load the fuel element into a wire shearing device
2. Orientate the fuel element to properly position the wire
1. Shear and separate the wire from the fuel element
1. Cut the wire into pieces of three inch length
1. Cut the fuel element into pieces of three inch length
Delivery: T-Bar
Fuel elements go on at Detail B end
Flaps recess inward as spade end is pushed on
Individual elements are advanced at Detail A end
Delivery: Canister
Operator inserts fuel elements
Canister revolves
Individual fuel element ejected through bottom
Orientation: 1-Tooth Gear
Fuel element goes through the Gear
Full gear used in Design Concept 1
Partial gear used in Design Concept 2
Orientation: Clapper
Claps onto the spade end of the fuel element
Wire must be one side or the exact opposite
Orientation: Shackle
Bend fuel element inserted between shackles
Shackles close and force the fuel element into position
Wire Shearing: Pac-Man
Rotates around rod and shears the wire
We created an experimental single shear
Wire Shearing: Double Shear
Fuel element is placed in lower shear
Bottom shear comes up to push the fuel element into the top shear
Rod Chopping
At Present, the plan is to use the existing chopper at INL for the fuel element rods.
Waste Management: Slotted Pan
Fuel elements and wire fall on tray
Wires fall into slot
Elements slide across into box at end
Integrated Solution Concept 1
Design Includes: Canister, 1-tooth Gear and Clapper, Shackles, and the Double Shear.
Integrated Solution Concept 2
Design Includes: T-bar, 1-Tooth Gear Open, Shackle Arm, Pac-Man, and the Slotted Pan
Budget
Is the submitted budget sheet correct? Alterations?
Timeline
Snapshot Day ……………….Dec. 01 2006
Semester End Report Due…Dec. 14 2006 Winter Break…………………Dec. 16 2006 Spring Semester Begins…….Jan. 16 2007 2nd Design Review………….Feb. 12 2007 Final Report Due…………….May 05 2007 Engineering Expo……………May 12 2007
Discussion Questions
Is using existing fuel element chopper an acceptable narrowing of scope?
How are the chopped fuel element sections sorted?
Did you have any ideas similar to ours? If so, what problems did you come across?
Questions?
Ideas, Comments, or Suggestions