Difference between revisions of "Can Opener"

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== Function ==
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The primary function of the can opener is to cut cans open.  An electrical motor spins the geared wheel, which in turn spins the can while the blade remains stationary and cut the lid off.
 
The primary function of the can opener is to cut cans open.  An electrical motor spins the geared wheel, which in turn spins the can while the blade remains stationary and cut the lid off.
  
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== User Requirements==
  
User requirements:
 
 
* plug outlet to power the device
 
* plug outlet to power the device
 
* standard canned product to cut off the lid
 
* standard canned product to cut off the lid
 
* small enough can that can be successfully held by the can opener
 
* small enough can that can be successfully held by the can opener
  
Engineering specifications:
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== Engineering Specifications==
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*minimum power output
 
*minimum power output
 
*mimimum can diameter
 
*mimimum can diameter

Revision as of 15:33, 30 January 2008

Function

The primary function of the can opener is to cut cans open. An electrical motor spins the geared wheel, which in turn spins the can while the blade remains stationary and cut the lid off.

User Requirements

  • plug outlet to power the device
  • standard canned product to cut off the lid
  • small enough can that can be successfully held by the can opener

Engineering Specifications

  • minimum power output
  • mimimum can diameter
  • minimum can height and weight


Parts


The table belows lists the Bill of Materials for the Durabrand Can Opener:

Table 1: Durabrand Can Opener Bill of Materials
Part # Part Name # Category Function Material Picture
1 Casing Structural component Holds, protects, and supports internal and external components ABS plastic Image
2 Guide bar Support element Guides lever arm and can Metal Image
3 Magnet Holds can lid Image
4 Geared wheel Output Rotates can Metal Image
5 Cutting blade Cut though can lid Metal Image
6 Lever arm Structural Component Holds blade and magnet; on/off switch Plastic Image
7 Motor Input Rotates the geared wheel Metal plate, coil Image
8 Medium gear Output Converts the electrical energy into the horizontal mechanical energy Metal, plastic, and ball bearings Image
9 Large gear Transmission Reduces speed of rotation and provides more torque; connects to geared wheel Inner gear - metal; outer gear - plastic Image
10 Switch Power supply Completes circuit; on/off switch Copper with plastic plate (nonconductor) Image
11 Power cord Power supply Supplies power to motor Wires and insulation with a metal connection Image