Team Members: Jason Fitch

David GardnerLisa HuffmanZach Sielaff

Sponsor: Dr. Tom

Hess

Design Review: 11/13/09

Reed Forming Machine

1

Advisor:Dr. Jay McCormack

Goal: design a machine to make clarinet reed blanks.

Problem Definition

2

Current Solution

Hand plane

Utility knife3

Variable thickness: 2.7–3.4 mm

Smooth and flat

Planing Needs/Specs

4

SymmetricalVariable width: 11–11.5 mm at

butt; 12.8–13.25 mm at tip

Shaping Needs/Specs

5

Budget: $2,000Blade replacement costSafetyTime

General Needs/Specs

6

Research current methodsCost comparisonsQuality testingDecisions

Clamp from both ends for planingHuman actuation

Background

7

Planing: End MillTable sawJointer

Shaping: “One quick motion”RouterTable saw

Designs

8

Planing:End Mill

Viable Design 1

9

Viable Design 2Planing: Table saw

10

Viable Design 3Planing: Jointer

11

Shaping: “One quick motion”

12

Viable Design 2Shaping:

Router

13

Viable Design 3Shaping:

Table saw

14

CriteriaEase of cuttingEase of blade changeSurface finishAccuracyEase of blade changesMaintenance costsSafety

15

Design Initial Cost Maintenance Cost

End Mill None $40Table Saw $120 $20Jointer $120 $20“One quick motion”

$1200 $60

Router $110 $15

Design Costs

16

Gauging thickness and widthSize of the materialTarget market

Problems/Concerns

17

Rough prototypesDecide on final designSolid modelCreate materials listBuy materials/toolsBuild machineTest to ensure quality

Schedule

18

Recommended Design: Planing

End Mill

19

Recommended Design: Shaping

“One quick motion”

20

Clamp for Shaping

21