polyethylene pipes systems -...

PEPSPEPS

Polyethylene Pipes Systems

Project UpdateApril 29, 2010

Lina Garcia

Kathy Bui

Ian Matts

William Kyei-Manu

PEPSPEPS

Polyethylene Pipes Systems

Project UpdateApril 29, 2010

Agenda

1. Previous Progress2. Device Improvements

- Gears- Second heated-roller

3. SEM Imaging3. SEM Imaging4. Stereomicroscopy5. Next Steps 6. Gantt Chart

Agenda

Previously: Prototype #1

Insulated heating element

Adjustable collars allow for roller alignment

Previously: Prototype #1

Insulated heating element Heated

Roller

Free Free Roller

Allow for lateral adjustments

Issues and Plans for ImprovementsIssues and Plans for Improvements

Currently: Modified Prototype

Second heated-roller

Constant pressure

Currently: Modified Prototype

GearsConstant pressure

Improvements MadeImprovements Made

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Scanning Electron Microscope Imaging

Raw plastic bag

Scanning Electron Microscope Imaging

Heat-welded bag

Stereomicroscopy

1mm

8-

1mm

1mm

Stereomicroscopy

1mm

-layer of heat-welded bags

1mm

Next Steps

1. Produce Samples- Varying parameters (time and temperature)

2. Further adjustments to device- Possible addition of temperature control

2. Sample Analysis- Peel test - Pressurize

3. Update website and online lab notebook

Next Steps

Varying parameters (time and temperature)

2. Further adjustments to devicePossible addition of temperature control

3. Update website and online lab notebook

Previous Gantt ChartPrevious Gantt Chart

Current Gantt ChartCurrent Gantt Chart

Questions?Questions?Questions?Questions?