Author: cmstest

FAMU-FSU College of Engineering

Department of Mechanical Engineering

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Group 12
Test Bed for Bevel Gear Design

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The current Bevel Gear Test Bed used by Harris has had some unexpected experimental mishaps. The possible problems include misalignment, overloading, and the anodic coating applied to the gears. The main focus of our design will be to include adjustable mounting distance, speed, torque, surface treatments, as well as having a shaft angle that ranges from 89.5 degrees to 90.5 degrees. Some extended goals include measuring heat generation, vibrations and testing more than just 90° straight bevel gears.

To contact us:

David Jones dhj05@fsu.edu
Andrew Dalesandro aad05g@fsu.edu
Brad Childers brc04@fsu.edu
Darrel Anderson da09@fsu.edu

FAMU-FSU College of Engineering

Department of Mechanical Engineering

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Our Project

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A set of bevel gears failed before they achieved their expected standards during a project being done by the Harris Corporation. They speculated that this failure could be contributed to the gears being misaligned or overloaded. They also noted that the Anodic coating on the gear surface started to fail leading to abrasion of the gear’s teeth.

Our senior design group will design and build a Bevel Gear Test Bed that is fully adjustable and highly precise. The test bed should be able to test a wide range of bevel gear sizes and different materials.

To contact us:

David Jones dhj05@fsu.edu
Andrew Dalesandro aad05g@fsu.edu
Brad Childers brc04@fsu.edu
Darrel Anderson da09@fsu.edu

FAMU-FSU College of Engineering

Department of Mechanical Engineering

Home

Our Project

Deliverables

Deliverables

Project Schedule

All documents are in PDF format and should open automatically.

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Presentation # 1: Conceptual Design Review

Presentation # 2: Interim Design Review

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Presentation 1 and its report counterpart are both brief introduction of our team’s senior design project. Topics include; Costumer Info and Needs, Problem Statement, Project Scope, Product Specifications, Conceptual Design Ideas and more.

Presentation 2 reintroduces our team’s Costumer Info and Needs, Problem Statement, Product Specifications, and a more detailed outline of our design. As well as Calculations, Cost analysis and our Conclusions.

Presentation # 3: Final Design Review

Presentation # 4: Progress Report

Presentation 3 and its report counterpart both show the final Product Specifications as well as the final overall design of our project. They also include Calculations, Cost Analysis, Conclusions and our teams Future Plans.

Presentation 4 reintroduces our team’s Costumer Info and Needs, Problem Statement, Product Specifications, as well as any changes that we have made to our design, cost analysis, and our procurement of materials.

Presentation # 5: Midpoint Review

Presentation # 6: Final Project

Presentation 5 reintroduces our team’s Problem Statement, Product Specifications, as well as any changes that we have made to our design, cost analysis, and our procurement of materials. As well as were we are at in our machining and assembly.

Presentation 6 and its report counterpart is the culmination of our hard work over they past two semesters. Topics covered in this presentation are our sponsor, problem statement, product specifications, final design assembly and testing, recommendations, conclusions, and acknowledgements. A assembly and operation manual has also been included.

FAMU-FSU College of Engineering

Department of Mechanical Engineering

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Schedule of Fall Semester of 2008

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Schedule of Spring Semester of 2009

FAMU-FSU College of Engineering

Department of Mechanical Engineering

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Our Project

Sponsor

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Project Schedule

Harris Corporation

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Our senior design project sponsor is Harris Corporation. Our contact is an Engineer named Brent Stancil. Harris Corporation is an international communications and information technology company. They serve government and commercial markets in more than 150 countries. Headquartered in Melbourne, Florida, they receive annual revenues of $5.3 billion and provide work for 16,500 employees, including about 7,000 Engineers and Scientists.

For more details please click picture below

FAMU-FSU College of Engineering

Department of Mechanical Engineering

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The pictures and information below shows the materials that we will use in the construction of our senior design project and what the will be used for. Pictures of materials are of stock materials before they were machined.

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Base Plate

Input Bearing Block

Material Type: Stock Aluminum
Material Dimensions: 12”X24”X0.5”
Info: The base plate will be the foundation of our test bed and will provide a strong and sturdy footing.

Material Type: Stock Aluminum
Material Dimensions: 4”X6”X12”
Info: this material will construct the entire input bearing block. A section will be taken out of the center to provide the upper bearing block in our design.

Cross-Slide Rotary Table

Adaptor Plate

Material Type: Steel & Cast Iron
Material Dimensions: -
Info: The cross-slide rotary table is the heart of our design. This table will allow us to translate 4” in the X & Y directions as well as 360 degrees of rotation.

Material Type: Steel
Material Dimensions: 4”X12”X0.1875”
Info: this material will hold the output bearing block and motor housing in place on the cross-slide rotary table.

Controller

Bearings

Material Type: Plastics and Metals
Material Dimensions: 3”X5”1”
Info: Servo amplifier brush type with 25A and 80A by Advanced Motion Controls.

Material Type: Ball Bearings, Double Sealed
Material Dimensions: B=0.5” OD=1.125”
Info: These bearings will be press fit into the bearing blocks and hold the shafts in place.

Gear Set 1

Gear Set 2

Material Type: Stainless Steel
Material Dimensions: B=0.1875”
Info: 1:1 Straight Bevel

Material Type: Harden Steel
Material Dimensions: B=0.5” and 0.3125”
Info: 2:1 Spiral Bevel

Gear Set 3

Motors

Material Type: Harden Steel
Material Dimensions: B=0.5” and 0.375”
Info: 2:1 Straight Bevel

Material Type: -
Material Dimensions: B=0.1875”
Info: 24V DC Motor

Completed Design

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