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 | ||
| − | * | + | * Visually Appealing |
| + | * Does not Jam with food | ||
| + | * Durability | ||
| + | * Detachable beaters | ||
| − | Engineering specifications: | + | =''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 | ||
| − | '' | + | [[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]] | ||
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| + | =''Parts''= | ||
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The table below contains the Bill of Materials for the Durabrand Hand Mixer: | 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=" | + | ! width="50"|Part # !! width="100"|Part Name !! width="50"|Category !! width="220"|Function!! width="145"| Material !! width="60"|Picture |
|- | |- | ||
! 1 | ! 1 | ||
| Line 30: | Line 74: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_1.jpg |center|thumb|50px]] |
|- | |- | ||
! 2 | ! 2 | ||
| Line 37: | Line 81: | ||
|align="center"|Ejects the beaters | |align="center"|Ejects the beaters | ||
| align="center"|ABS plastic | | align="center"|ABS plastic | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_2.jpg |center|thumb|50px]] |
|- | |- | ||
! 3 | ! 3 | ||
| Line 44: | Line 88: | ||
| align="center"|Returns button back to unpressed position | | align="center"|Returns button back to unpressed position | ||
| align="center"|Metal | | align="center"|Metal | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_3.jpg |center|thumb|50px]] |
|- | |- | ||
! 4 | ! 4 | ||
| Line 51: | Line 95: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_4.jpg |center|thumb|50px]] |
|- | |- | ||
! 5 | ! 5 | ||
| Line 58: | Line 102: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_5.jpg |center|thumb|50px]] |
|- | |- | ||
! 6 | ! 6 | ||
| Line 65: | Line 109: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_6.jpg |center|thumb|50px]] |
|- | |- | ||
! 7 | ! 7 | ||
| Line 72: | Line 116: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_7.jpg |center|thumb|50px]] |
|- | |- | ||
! 8 | ! 8 | ||
| Line 79: | Line 123: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_8.jpg |center|thumb|50px]] |
|- | |- | ||
! 9 | ! 9 | ||
| − | |align="center"| | + | |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 | ||
| − | | [[ | + | | [[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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_10.jpg |center|thumb|50px]] |
|- | |- | ||
! 11 | ! 11 | ||
| Line 100: | Line 144: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_11.jpg |center|thumb|50px]] |
|- | |- | ||
! 12 | ! 12 | ||
| Line 107: | Line 151: | ||
| align="center"|Mixes food | | align="center"|Mixes food | ||
| align="center"|Metal | | align="center"|Metal | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_12.jpg |center|thumb|50px]] |
|- | |- | ||
! 13 | ! 13 | ||
| Line 114: | Line 158: | ||
| 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 | ||
| − | | [[ | + | | [[Image:Durabrand_Mixer_13.jpg |center|thumb|50px]] |
|- | |- | ||
! 14 | ! 14 | ||
| Line 121: | Line 165: | ||
| align="center"|Holds various pieces together | | align="center"|Holds various pieces together | ||
| align="center"|Metal | | align="center"|Metal | ||
| − | | [[ | + | | [[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 | ||
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| + | =='''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
- Return to Bucknell Mechanical Design page.
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
Customer Reviews
Parts
The table below contains the Bill of Materials for the Durabrand Hand Mixer:
| Part # | Part Name | Category | Function | Material | Picture |
|---|---|---|---|---|---|
| 1 | External Switch | Input | Turns on and changes the speed of the mixer | ABS plastic |  |
| 2 | Eject button | Input | Ejects the beaters | ABS plastic |  |
| 3 | Ejector springs | Other | Returns button back to unpressed position | Metal |  |
| 4 | Case | Structural | Seperates inner parts from user and provides an ergonomic handle | ABS plastic |  |
| 5 | Switch | Input | Allows different amounts of current to enter the motor | copper and plastic |  |
| 6 | Magnet | Transmission | Creates a magnetic flux to make the current carrying copper wire in the motor rotate | ABS plastic |  |
| 7 | Fan | Other | Cools motor by sending air past it | ABS plastic |  |
| 8 | Motor | Input | Converts electrical energy into mechanical rotation energy | Mostly Copper |  |
| 9 | Worm gear | Transmission | Carries rotational power from motor | Plastic |  |
| 10 | Gears | Transmission | Changes the shaft roatation from the motor into 2 parallel rotations | Metal |  |
| 11 | Power cord | Input | Plugs into wall and provides AC current | Copper and rubber |  |
| 12 | Beaters | Output | Mixes food | Metal |  |
| 13 | Wires | Input | carries current from switch to motor | Copper and rubber |  |
| 14 | Screws | Structural | Holds various pieces together | Metal |  |
Pro Engineer Models
Wormgear
- 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
- 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
- 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
