156B Week 5

Overview of Status of Analysis, Design, Fabrication, Tests, etc.

• • Completed Mounting design + ordered parts

  • For the smearing component, we are using the Perfect Smearer to smear with a new smearer for each samples

    • Perfect Smearer results in best smears

    • Design can be made with 2 motors

  • Linear guide is up and running with code

    • user interface has been made to run the code

Accomplishments from Previous Week

• • Cindy

    • Finished t-slot design with connections to the linear guide

    • ordered t-slot parts + connections (brackets, screws, etc)

  • Kevin

    • Tested smearing methods

      • Created design for Perfect Smearer unloading system

    • Tested different types of anticoagulants for blood

    • Drying tests to determine minimum time required to dry blood 

      • Determined there is a need for a drying/heating system before unloading slide into Hematek

  • Marco

    • Set up limit switches on the linear guide to determine position

    • finished code for linear guide motor and motion to model smearing

  • Christopher

    • Began CAD for blood dispenser

    • Final report sections

Goals for Next Week (list names after each item). Use specific and measurable objectives.

• • Cindy

    • build t-slot set up and unloading system

    • determine the best way to more the hinge in unloading system

    • integrate base design with all other systems 

      • blood smearing

      • electronics

  • Kevin

    • Finish CADing for Perfect Smear and Slide holder

    • Build Cassette this week for holding slides

    • risk reduction on mechanism

  • Marco

    • Integrate electronics with entire design

    • Set up motors for the smearing actuation

    • Install an accelerometer to gather data on the carriage

    • Finish debugging my user interface library

  • Christopher

    • report

    • machining

Sponsor Comments from Last Meeting and Actions Taken to Address these Comments (indicate date of comments and if via email or in person)

• • Try and incorporate adjustable parameters that can be changed later

  • Remember this is a prototype and make it as viable to alterations as possible for future designs

Instructor Comments from Last Meeting and Actions Taken to Address these Comments  (indicate date of comments and if via email or in person)

• • comments from 4/24/19 meeting

    • for design presentation, try and keep the images of slides

    • how are we quantifying the smears? what makes a good smear?

      • Should we come up with standards?

      • image processing maybe?

      • best solution: stain and run with sysmex 

Comments from Other Students in the Class (indicate date of comments and if via email or in person)

• • NA

Risks and Areas of Concern

• • Lifting the hinge back after unloading slide into Hematek

Resources or Information Required but not Available

• • NA

Schedule

• • Build Prototype of Smearing design by next week or next weekend

  • Build Hematek enclosure and begin 3d printing prototype pieces next week

Budget (list amount spent and amount remaining)

• • Starting Budget     $2600

  • Total Spent            $903.28

  • Remaining Budget $1,696.72

Progress on Report and Webpage

• • Need to work on Splash Page