Hand Mixer

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 +
Ben Bouffard
 +
 +
Andrew Greulich
 +
 +
Chris Jones
 +
----
 +
***Return to [[Bucknell Mechanical Design]] page.
 +
----
 +
 +
 +
 +
=''Primary Function''=
 
The primary function of the hand mixer is to mix food (eggs, cake, etc.) by using a small motor to rotate two beaters.
 
The primary function of the hand mixer is to mix food (eggs, cake, etc.) by using a small motor to rotate two beaters.
  
  
−
User requirements:  
+
=''User requirements:''=
 
* Mixes foods
 
* Mixes foods
 
* Is handheld and ergonomic
 
* Is handheld and ergonomic
−
* Appearance is acceptable
+
* Visually Appealing
 +
* Does not Jam with food
 +
* Durability
 +
* Detachable beaters
 +
 
 +
=''Engineering specifications:''=
 +
* Maximum mass (grams)
 +
* Minimum mixer angular speed (radians/second)
 +
* Variable speed (number of speeds)
 +
* Minimum size of opening against beaters (mm)
 +
* High gear reduction ratio
  
−
Engineering specifications:
 
−
*maximum weight
 
−
*minimum mixer speed
 
−
*variable speed
 
  
 
[[Image:Before Dissection.jpg|left|thumb|300px|A picture of the mixer before dissection]]
 
[[Image:Before Dissection.jpg|left|thumb|300px|A picture of the mixer before dissection]]
  
 +
====''Customer Reviews''====
 +
[[http://www.expotv.com/videos/reviews/13/139/DurabrandHandMixer/141024]]
 +
[[http://www.expotv.com/videos/reviews/13/139/Durabrand-Hand-Mixer/106020]]
 +
[[http://www.expotv.com/videos/reviews/13/139/Durabrand-Handmixer-mdl-216401/106348]]
 +
[[http://www.expotv.com/videos/reviews/13/139/Durabrand-Hand-Mixer/105833]]
  
  
−
==Parts==
 
  
  
−
The table below contains the Bill of Materials for the Durabrand Hand Mixer:
 
  
−
Return to [[Bucknell Mechanical Design]] page.
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=''Parts''=
 +
 
 +
 
 +
The table below contains the Bill of Materials for the Durabrand Hand Mixer:
  
  
 
{| border="1" align="center"
 
{| border="1" align="center"
 
|+ '''Table 1: Durabrand Mixer Bill of Materials'''
 
|+ '''Table 1: Durabrand Mixer Bill of Materials'''
−
! width="50"|Part # !! width="100"|Part Name !! width="50"|Category !! width="120"|Function!! width="145"| Material !! width="100"|Picture
+
! width="50"|Part # !! width="100"|Part Name !! width="50"|Category !! width="220"|Function!! width="145"| Material !! width="60"|Picture
 
|-
 
|-
 
! 1
 
! 1
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| align="center"|Turns on and changes the speed of the mixer
 
| align="center"|Turns on and changes the speed of the mixer
 
| align="center"|ABS plastic
 
| align="center"|ABS plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_1.jpg]]
+
| [[Image:Durabrand_Mixer_1.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 2
 
! 2
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|align="center"|Ejects the beaters  
 
|align="center"|Ejects the beaters  
 
| align="center"|ABS plastic
 
| align="center"|ABS plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_2.jpg]]
+
| [[Image:Durabrand_Mixer_2.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 3
 
! 3
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| align="center"|Returns button back to unpressed position
 
| align="center"|Returns button back to unpressed position
 
| align="center"|Metal
 
| align="center"|Metal
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_3.jpg]]
+
| [[Image:Durabrand_Mixer_3.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 4
 
! 4
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| align="center"|Seperates inner parts from user and provides an ergonomic handle
 
| align="center"|Seperates inner parts from user and provides an ergonomic handle
 
| align="center"|ABS plastic
 
| align="center"|ABS plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_4.jpg]]
+
| [[Image:Durabrand_Mixer_4.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 5
 
! 5
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| align="center"|Allows different amounts of current to enter the motor  
 
| align="center"|Allows different amounts of current to enter the motor  
 
| align="center"|copper and plastic
 
| align="center"|copper and plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_5.jpg]]
+
| [[Image:Durabrand_Mixer_5.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 6
 
! 6
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| align="center"|Creates a magnetic flux to make the current carrying copper wire in the motor rotate
 
| align="center"|Creates a magnetic flux to make the current carrying copper wire in the motor rotate
 
| align="center"|ABS plastic
 
| align="center"|ABS plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_6.jpg]]
+
| [[Image:Durabrand_Mixer_6.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 7
 
! 7
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| align="center"|Cools motor by sending air past it
 
| align="center"|Cools motor by sending air past it
 
| align="center"|ABS plastic
 
| align="center"|ABS plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_7.jpg]]
+
| [[Image:Durabrand_Mixer_7.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 8
 
! 8
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| align="center"|Converts electrical energy into mechanical rotation energy
 
| align="center"|Converts electrical energy into mechanical rotation energy
 
| align="center"|Mostly Copper
 
| align="center"|Mostly Copper
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_8.jpg]]
+
| [[Image:Durabrand_Mixer_8.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 9
 
! 9
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|align="center"|Gearshaft
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|align="center"|Worm gear
 
| align="center"|Transmission
 
| align="center"|Transmission
 
| align="center"|Carries rotational power from motor
 
| align="center"|Carries rotational power from motor
 
| align="center"|Plastic
 
| align="center"|Plastic
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_9.jpg]]
+
| [[Image:Durabrand_Mixer_9.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 10
 
! 10
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| align="center"|Changes the shaft roatation from the motor into 2 parallel rotations
 
| align="center"|Changes the shaft roatation from the motor into 2 parallel rotations
 
| align="center"|Metal
 
| align="center"|Metal
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_10.jpg]]
+
| [[Image:Durabrand_Mixer_10.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 11
 
! 11
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| align="center"|Plugs into wall and provides AC current
 
| align="center"|Plugs into wall and provides AC current
 
| align="center"|Copper and rubber
 
| align="center"|Copper and rubber
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_11.jpg]]
+
| [[Image:Durabrand_Mixer_11.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 12
 
! 12
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| align="center"|Mixes food
 
| align="center"|Mixes food
 
| align="center"|Metal
 
| align="center"|Metal
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_12.jpg]]
+
| [[Image:Durabrand_Mixer_12.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 13
 
! 13
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| align="center"|carries current from switch to motor
 
| align="center"|carries current from switch to motor
 
| align="center"|Copper and rubber
 
| align="center"|Copper and rubber
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_13.jpg]]
+
| [[Image:Durabrand_Mixer_13.jpg |center|thumb|50px]]
 
|-
 
|-
 
! 14
 
! 14
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| align="center"|Holds various pieces together
 
| align="center"|Holds various pieces together
 
| align="center"|Metal
 
| align="center"|Metal
−
| [[http://gicl.cs.drexel.edu/wiki/Image:Durabrand_Mixer_14.jpg]]
+
| [[Image:Durabrand_Mixer_14.jpg |center|thumb|50px]]
−
|-}
+
|}
 +
 
 +
 
 +
=''Pro Engineer Models''=
 +
=='''Wormgear'''==
 +
[[Image:DurabrandMixer_ProE_1.jpg|right|thumb|300px]]
 +
*Decisions Made
 +
**Number of teeth per length
 +
**Material
 +
*Critical Features/Dimensions
 +
**size of teeth
 +
**diameter
 +
**length
 +
*Type of Loading
 +
**Torque
 +
**Axial
 +
*Measures of Performance
 +
**Max RPM
 +
**Max shear stress
 +
**Max torque transferred
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
 +
 
 +
=='''Gear'''==
 +
[[Image:DurabrandMixer_ProE_2.jpg|right|thumb|300px]]
 +
*Decisions Made
 +
**Number of teeth/gear reduction ratio
 +
**Material
 +
*Critical Features/Dimensions
 +
**size of teeth
 +
**inner diameter
 +
**outer diameter
 +
*Type of Loading
 +
**Torque
 +
**Stress on teeth
 +
*Measures of Performance
 +
**Max RPM
 +
**Max shear stress on inside diameter
 +
**Max torque transferred
 +
 
 +
 
 +
 
 +
=='''Fan'''==
 +
[[Image:DurabrandMixer_ProE_3.jpg|right|thumb|300px]]
 +
*Decisions Made
 +
**Number of fan blades
 +
**Material
 +
*Critical Features/Dimensions
 +
**size of fan blades
 +
**diameter
 +
**angle of fan blades
 +
**shape of fan blades
 +
*Type of Loading
 +
**Torque
 +
*Measures of Performance
 +
**Max RPM
 +
**Produced mass flow rate of air

Latest revision as of 12:01, 20 February 2008

Ben Bouffard

Andrew Greulich

Chris Jones


Contents

Primary Function

The primary function of the hand mixer is to mix food (eggs, cake, etc.) by using a small motor to rotate two beaters.


User requirements:

  • Mixes foods
  • Is handheld and ergonomic
  • Visually Appealing
  • Does not Jam with food
  • Durability
  • Detachable beaters

Engineering specifications:

  • Maximum mass (grams)
  • Minimum mixer angular speed (radians/second)
  • Variable speed (number of speeds)
  • Minimum size of opening against beaters (mm)
  • High gear reduction ratio


A picture of the mixer before dissection

Customer Reviews

[[1]] [[2]] [[3]] [[4]]












Parts

The table below contains the Bill of Materials for the Durabrand Hand Mixer:


Table 1: Durabrand Mixer Bill of Materials
Part # Part Name Category Function Material Picture
1 External Switch Input Turns on and changes the speed of the mixer ABS plastic
Durabrand Mixer 1.jpg
2 Eject button Input Ejects the beaters ABS plastic
Durabrand Mixer 2.jpg
3 Ejector springs Other Returns button back to unpressed position Metal
Durabrand Mixer 3.jpg
4 Case Structural Seperates inner parts from user and provides an ergonomic handle ABS plastic
Durabrand Mixer 4.jpg
5 Switch Input Allows different amounts of current to enter the motor copper and plastic
Durabrand Mixer 5.jpg
6 Magnet Transmission Creates a magnetic flux to make the current carrying copper wire in the motor rotate ABS plastic
Durabrand Mixer 6.jpg
7 Fan Other Cools motor by sending air past it ABS plastic
Durabrand Mixer 7.jpg
8 Motor Input Converts electrical energy into mechanical rotation energy Mostly Copper
Durabrand Mixer 8.jpg
9 Worm gear Transmission Carries rotational power from motor Plastic
Durabrand Mixer 9.jpg
10 Gears Transmission Changes the shaft roatation from the motor into 2 parallel rotations Metal
Durabrand Mixer 10.jpg
11 Power cord Input Plugs into wall and provides AC current Copper and rubber
Durabrand Mixer 11.jpg
12 Beaters Output Mixes food Metal
Durabrand Mixer 12.jpg
13 Wires Input carries current from switch to motor Copper and rubber
Durabrand Mixer 13.jpg
14 Screws Structural Holds various pieces together Metal
Durabrand Mixer 14.jpg


Pro Engineer Models

Wormgear

DurabrandMixer ProE 1.jpg
  • Decisions Made
    • Number of teeth per length
    • Material
  • Critical Features/Dimensions
    • size of teeth
    • diameter
    • length
  • Type of Loading
    • Torque
    • Axial
  • Measures of Performance
    • Max RPM
    • Max shear stress
    • Max torque transferred






Gear

DurabrandMixer ProE 2.jpg
  • Decisions Made
    • Number of teeth/gear reduction ratio
    • Material
  • Critical Features/Dimensions
    • size of teeth
    • inner diameter
    • outer diameter
  • Type of Loading
    • Torque
    • Stress on teeth
  • Measures of Performance
    • Max RPM
    • Max shear stress on inside diameter
    • Max torque transferred


Fan

DurabrandMixer ProE 3.jpg
  • Decisions Made
    • Number of fan blades
    • Material
  • Critical Features/Dimensions
    • size of fan blades
    • diameter
    • angle of fan blades
    • shape of fan blades
  • Type of Loading
    • Torque
  • Measures of Performance
    • Max RPM
    • Produced mass flow rate of air
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