Emergency Release Snowboard Bindings

1
Emergency Release Snowboard Bindings
Presenting Michael Allen Michael
Weidner David Call
University of Utah Department of Mechanical
Engineering
2
Introduction

• Schedule
• Budget
• Team Groups
• Focus Of The Different Groups
• Final Design

3
Schedule
Emergency Release Snowboard Binding Year Schedule
Source ERSB Final Report Fall 06
4
Budget
Budget of Emergency Release Snowboard Binding Team
Source ERSB Final Report Fall 06
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Group Division

• Why
• Based on schedule and interest
• Ensure each area is complete
• Make sure everyone is busy and is communicating
  with others about progress

6
Group Division

• Groups
• Finalizing Design
• David Call, Michael Weidner
• Manufacturing and Analysis
• Michael Allen, Jason Wendel
• Remote Control
• Blake Anderson, Gavin Mehraban, Matthew Sartori

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Current Work

• Design Team
• Manufacturing and Analysis Team
• Remote Team

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Current Work

• Design Team
• How to make design universal
• No large forces on small parts
• Strength Analysis

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Current Work

• Manufacturing and Analysis Team
• Material Selection
• Manufacture of top plate
• Calculate expected forces of snowboarding

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Current Work

• Remote Team
• Benchmarking remote switches
• Researching design with lithium batteries

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Final Concept

• What it is
• How it works
• Interface with board and binding
• Attach
• Emergency Release
• Why we chose it

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Concept - Background
Snowboard Setup

• Concept replaces disk
• Holds binding to board
• Used in all setups

Binding
Disk
Snowboard
Photo David Call
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Concept
ERSB Disk Concept (Exploded)
Current Disk
Top Plate
Lock Fins (4)
Rotating Disk
Latch
Bottom Plate
Snowboard
Photo and sketch David Call
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Securing the Binding
Top Plate Cross-Section

• Rotating disk extends/ retracts fins
• Fins hold down top plate
• Top plate holds binding to board

Internal Ledge
Against Binding
Binding
Lock Fins
Disk Ledge
Extended
Retracted
Photo and sketches David Call
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Releasing the Binding
Release Mechanism

• Shape Memory Alloy (SMA) wire contracts at 70 C
• Lithium battery provides current
• Remote Control Activated

Shape Memory Alloy Wire
Spring Load (White)
Latch
Rotating Disk
Image David Call
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Concept Evolution
Various concepts

• Combined best features from 50 concepts
• Best serves customer needs

Sketches (Clockwise from top) Matthew Sartori,
Michael Allen, David Call, Jason Wendel
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Additional Appeal

• Ambitious
• All moving parts contained (away from elements)
• What members of group would want to buy

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ERSB

• Schedule and budget
• Split our team into groups
• Current work
• Final design

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Contact Info

• TEAM EMAIL
• ERSNOWBINDING_at_gmail.com