14471 Vibration Test Apparatus: Systems Design Review Team Lead: Brett Billings Lead Engineer: Nicholas G Scribe: Ashley W EDGE: Claire Kobal Team Members: Jacob Ryan Ronald

Problem Statement

Engineering Requirements: The Design Drivers

Benchmarking

Functional Decomposition

Risk Assessment IDRiskEffectCauseSevereLikelyScoreAction Items 1 Displacement is not equal to 1/32" Apparatus doesn't meet UL844Mechanical Failure326Make it adjustable 2 Vibration is not 2000 cycles per min apparatus doesn't meet UL844crankshaft slipping326Evaluate previous teams design 7Pinch points existOperator injury could occur Existance of pinch points 236 Design guarding, enclosure, and/or warning labels 14 Project deadline is not met Customer is dissatisfied, students receive poor course grade, RIT's reputation is negatively impacted Correction of mistakes326 Participatein milestone design reviews 2 Vibration is not 200 cycles per min Apparatus doesn't meet UL844Speed reducer slipping224Splash guard / maintenance 8 Apparatus is not ergonomically safe to set up Operator injury could occur Set up requires awkward positioning 224 Evaluate setup with ergonomic lifting equations 9 Can't mount all configuration types Customer is not going to be able to test some configurations Project scope224Use current fixtures 12Over budget Customer is dissatisfied, engineering requirements must be sacrificed Unforeseeable expenses 224 Proper budgeting/compare prices/buy standard sizes 14 Project deadline is not met Customer is dissatisfied, students receive poor course grade, RIT's reputation is negatively impacted Materials are delivered late 224Order before Winter break Delay in Tool Shop224 Schedule machine time 1 week in advance with Tool Shop

Morph Chart Overview

Alternatives Considered: Pugh Chart individual components Need individual pugh charts for – Vibration displacement – Vibration frequency – Connect to motor – Time – Display Feedback – Connect to machine

Morph Chart (Datum)

Morph Chart (Option 2) Morph Chart

Morph Chart (Option 3) Morph Chart

Pugh Chart Overall Systems

Selected Concept NEED SKETCH OF THIS!

Architecture Central System Power supplyMotor system Sensors Display/user interface Luminaire connection Crankshaft connection Safety features

Risk Assessment of Selected Concept

Display & Control System Cycles per minute directly proportional to RPM Three core components required for control: – RPM Sensor – RPM Adjustor – RPM Display Laser tachometer used as a sensor Variable-Frequency Drive (VFD) to adjust speed Digital display for reading back speed

Engineering Analysis: Motor

Engineering Analysis: Frame Analysis

Engineering Analysis: Control Systems

Engineering Analysis: Costs

Engineering Analysis: Sound

Test Plan (First Revision) Test Displacement – Validate the 1/32” total displacement Test Vibration Cycles – Validate 2000 cycles/min Test life – Accelerated life test on belt and motor Test fittings – Do they fit the frame? MORE??????

Schedule for Next Phase

Questions?

Appendix /Reference Information Space for reference info for potential questions If not used please remove this slide