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Team 19 Lauren Hulett Phong Tran Richard Valle S PRING I NTERIM P RESENTATION Mobility Lift for European Insider Applications Project Sponsor: Harmar Mobility Inc. Project Advisor: Dr. Carl A. Moore, Ph.D.

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O VERVIEW Introduction Design Status Modifications FEM Analysis Materials Re-Selected Manufacturing Process CAD Package Machining Next Step Questions? 2

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Y OU MAY RECALL 3 Harmar Mobility, Inc. Specializes in mobility solutions in the United States. Focus on automotive type for our project. Design Goal Design and build an interior mobility lift for a compact vehicle European market Competitive cost

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4 F ALL F INAL D ESIGN Recall: 15 parts with assembly 4 DOF Adjustable neck Pulley housed internally Initially, pre-approved by sponsor. However, after review from European subdivision, certain modifications were suggested.

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5 D ESIGN I TERATIONS

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6 F INAL A PPROVED D ESIGN Sleeved Hinge 90 Support Telescoping Legs Low Motor Standard Fold-Down Option

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7 S PECIFIC M ODIFICATIONS Cable to run through hinge Harmar strap is to be replaced by cable Base from existing stock (AL055)

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8 FEM A NALYSIS Mesh No. of Elements: 28204 Made using COMSOL Multiphysics Max Stress 503.73 MPa Max Displacement 0.52 in SF 2

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9 M ATERIALS R E -S ELECTED Structural tubing is selected to be: D.O.M. (DRAWN-OVER-MANDREL) ASTM A-513 Type 5 Carbon: 1010 - 1026 Yield Stress 1010413.7 MPa 1015448.2 MPa 1018482.6 MPa 1020448.2 MPa 1026517.1 MPa

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10 M ATERIALS & T ESTING Motor tested to determine characteristics in order to eliminate the chain drive For Example: RPM

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11 M ANUFACTURING P ROCESS

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13 Currently CAD package sent Hinge being machined Communicate with European representative To be Completed Order cable Assembly/Test-fitting Draft proper documentation W HERE W E RE A T

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S PRING T IMELINE 2 ND H ALF 14...

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Questions? Comments?