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Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant.

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Presentation on theme: "Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant."— Presentation transcript:

1 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Examples of linear-motion mechanisms: (a) rigid-body linear roller bearing; (b) compliant folded-beam mechanism; (c) compliant bistable mechanism Figure Legend:

2 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Key definitions for a typical linear-motion compliant mechanism, including axial and transverse directions and total axial displacement Figure Legend:

3 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 The function of transverse stiffness over the range of axial displacement. The solid portion of the graph indicates axial positions within the yield strength of the material. Figure Legend:

4 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 The function of torsional stiffness over the range of axial displacement. The solid portion of the graph indicates axial positions within the yield strength of the material. Figure Legend:

5 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 The normalized torsional stiffness can be interpreted as normalized by a characteristic torque as illustrated here with a theoretical mechanism with a force of magnitude Fax,max and couple moment arm of length d Figure Legend:

6 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Demonstration of the use of the transverse stiffness metric with several sample configurations simulating a variation in in-plane thickness for the three concepts Figure Legend:

7 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Demonstration of the use of the torsional stiffness metric with several sample configurations simulating a variation in in-plane thickness for the three concepts Figure Legend:

8 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Force gauges for measuring axial and transverse force-deflection relationships Figure Legend:

9 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Force-deflection relationships for 4 micro-devices Figure Legend:

10 Date of download: 6/28/2016 Copyright © ASME. All rights reserved. From: Metrics for Evaluation and Design of Large-Displacement Linear-Motion Compliant Mechanisms J. Mech. Des. 2012;134(1):011008-011008-9. doi:10.1115/1.4004191 Transverse-displacement 3D plot for small X-Bob suspension, similar plots were created for all of the device configurations Figure Legend:


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