redesign of driving teeth to improve performance · •minimal cutting depth •to increase depth...
TRANSCRIPT
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Redesign of Driving Teeth to Improve
Performance
Team Members:
Kelly Hogue
Kristen Tucker
Matthew Gassen
Buck Melton
Prepared for CONEQTEC Universal and BAE 4012
by
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Mission statement
• Blue Diamond Machinery strives to
improve products by implementing high
quality designs, increasing efficiency, and
surpassing the demands of our clients.
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Project sponsor
• CONEQTEC Universal
• Manufacturer of skid steer attachments
• President Gary Cochran
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Production Model
• Minimal cutting depth
• To increase depth of
cut, the diameter of
the blade must
increase, therefore,
increasing the weight
of the attachment.
Provided by CONEQTEC
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Problem Statement
• Increase cutting depth to greater than
blade radius
• Improve prototype to increase useful life
• Prohibit hydraulic motor from descending
into debris piles
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Features of prototype
• Depth of cut is close to blade diameter
– 18 inches deep. 2.5 inches wide
• Powered by hi-flow hydraulic system
– 40 hp input to hydraulic motors
• Laterally adjustable
• CONEQTEC patented design
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Rock Saw Prototype
Provided by Coneqtec
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Statement of Work
• Increase useful life of
gear teeth from less
than 50 hrs to over
100 hrs.
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Statement of Work (cont’d)
• Prevent hydraulic
motors from
descending into
debris
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Statement of Work (cont’d)
The longevity problem
of the rock saw is due
to wear on the gear
teeth attached to the
saw blade.
Options:
• Redesign gear mesh
• Increase wearability
of gear teeth
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Statement of Work (cont’d)
Test for increase in wearability of gear teeth
after instituting the following:
• Surface treatments
• Surface coatings
• Harder material
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Statement of work (cont’d)
Prevent hydraulic motors from descending into debris
•Install a ski guard on
motors
•Install a stop on depth
control
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Research
• Patents– Rim driven
– Cutting (Concrete)
• Literature– Track Trenchers
– Rock Saws
– Surface Treatments
– Surface Coatings
– Gear configurations
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Research (cont’d)
• CONEQTEC Patents
– Slot cutter depth control
– Auxiliary implements attachments
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Possible Solutions
Increase useful life of gear teeth
• Change gear tooth material
• Increase tolerance of gear mesh
• Surface treatments
• Surface coatings
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Prototype Ring Gear Teeth
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Prototype Gear Mesh
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Possible Solutions (cont’d)
Institute Alternative Design
• New gears mesh into blade eliminating current
ring teeth wear
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Alternative Design Cont.
• Gear guards are installed on blade to protect
blade from gear mesh wear
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Alternative Gear Mesh Design
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Proposed BudgetMaterials
gear guards $ 100.00
driving gears $ 214.00
miter gears $ 156.00
Treatments
speedliner coating $60.00
surface treatments TBD
Testing
motor $ 200.00
testing debris $ 20.00
testing container $ 15.00
testing plate $ 70.00
Total Cost (approximately) $ 835.00
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Project Schedule
• Fall Semester
– Patent Search
– Design Concepts
• Spring Semester
– Fabrication
– Testing
– Final Design
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Thank You
• Gary Cochran and CONEQTEC
• Dr. Paul Weckler
• Jana Moore
• BAE Lab
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At this time
we would like
to open the floor to
any
QUESTIONS?