Information Destruction Architecture and platform - paper shredders Brian Brigham John Ekholm 11/2006
product analysis // functional model The functional model displays the functional hierarchy of the paper shredder as well as the individual components as they correspond to each function. Overall purpose: identity protection = information destruction Main Functions: Shred Paper - Shred Credit Cards - Shred Compact Discs Supporting Functions: Indicating Controlling Sensing Cutting Storing Components: Overheat LED Power LED ON/OFF Reverse Bin Sensor Paper Sensor Temp Sensor Motor Gearing Blades Trash Bin Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 2
competitive analysis // product offerings This product line is produced by a single manufacturer. The retailer then sells the shredders based on size, features, and specs. The retailer also divides the shredders into two groupings, home & office, based on size, sheet count and price point. HOME OFFICE 6 8 10 12 20 cut type diamond diamond diamond diamond cross duty light light medium heavy heavy capability dimensions note: recheck 12 x 7 x 14 12 x 7.5 x 15.5 13.5 x 9.5 x 21 13.5 x 9.5 x 22 with wheels 15.5 x 10 x 24 with wheels warranty note: all 1 year limited 3 year cutter 3 year cutter 3 year cutter 8 year cutter 7 year cutter price $29 99 $39 99 or $49 99 $79 99 $119 99 $199 99 Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 3
user needs // market segments We divided the shredder market into three segments and identified an un-met user need for each. Home Need: Safety For the home segment, safety is a user concern that is not being fully addressed. People want shredders that are explicitly safe especially with regards to children. Home Office Need: Storage The home office segment needs a method to store paper until it is shredded. Few users shred sensitive materials as they receive it; instead they collect it into pile and shred the entire stack at a later date. Small Office Need: Convenience Small offices need the shredder to be faster and more convenient. one wants to count out 12 of paper in order to keep the machine from jamming. Women 25-35 Middle income Household w/ children Keep shredder in den or closet Purchased shredder for mail, bills and personal information Concerned about safety of shredder around kids and pets Women 35-55 Middle to upper income Own their own business Keep shredder in home office Purchased shredder for business records, mail, bills and personal information Busy with running a business, shredding is put off until last minute Men 35-65 Middle to upper income Own their own business Keep shredder in a common office area Purchased shredder for sensitive business data. Wants speed and efficiency. Can t wait around to feed paper into a shredder Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 4
platform strategy // component breakout The mechanical assembly consisting of the cutter body, motor and CD is the core of the platform strategy. The cutter body is the base platform on which a variety of motor sizes can be plugged in and the CD module added. For the proposed product line, the top housing and bottom housing are common parts that are used throughout the product family. The face plate, bin and motor are the elements of the platform that are switched out to provide for the differing needs of the home, home office and small office. Top housing Face Plates Cutter body Motors CD shredding module Bottom housing Bins Common parts Differentiated parts Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 5
platform strategy // revised functional model The revised functional model adds four supporting functions and multiple components to support user needs The needs are tied to the market segments; below each additional supporting function, the individual components incorporated to support that function are shown. Overall purpose: identity protection = information destruction Main Functions: Shred Paper - Shred Credit Cards - Shred Compact Discs Supporting Functions: Indicating Controlling Sensing Cutting Safeguarding Storing Moving Automating Components: Overheat LED Power LED ON/OFF Reverse Bin Sensor Paper Sensor Temp Sensor Motor Gearing Blades Locking Cover Anti-tip Base Small BIn Standard Bin High Capacity Wheeled Bin Side Handles Auto-Feed Unit To-Be shredded User need: Safety Storage Convenience Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 6
platform strategy // base model The base model has a plain face plate w/ the small bin. The CD module is not included and the smaller motor can handle 8. Basic face plate Stage 1 motor: 8 CD module Small Bin Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 7
platform strategy // home model - safety The Home model has a face plate with a locking lid to safely cover the shredder opening. The CD module has been added and a larger motor. The bin is taller with and anti-tip base to add extra stability to the unit Face plate w/ locking lid Stage 2 motor: 10 CD module Medium Bin Anti-tip base Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 8
platform strategy // home office model - storage The Home Office model has a face plate with an integrated to shred storage bin. The CD module has been added and a motor that can handle 12. The bin can be pulled out the front for easy emptying and the unit is on castors to increase portability. Face plate w/ to shred storage bin Stage 3 motor: 12 CD module Large Bin w/ pull out front Castors Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 9
platform strategy // small office model - convenience The Small Office model has a face plate with an indexer that automatically loads paper into the shredder. need to count out and with the heavy duty motor the shredder won t over heat. CD module is included and the bin can be pulled out the front for easy emptying. The unit is on large castors and side handles have been added to make the shredder highly portable Face plate w/ auto feed indexer Stage 4 motor: 20 CD module Side handles Large Bin w/ pull out front Large castors Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 10
platform strategy // product line In addition to the efficiencies of manufacturing and reduced number of tools (molds), the platform strategy also enforces a unified design language. The size and shape of the shredder head are set, but the parts that provide the added benefits of safety, storage, and convenience are configured in such a manner to create a product line that hits several price points. Base - 59.99 Home - 89.99 Home Office - 149.99 Small Office - 249.99 8 Space saving bin 10 CD capable Locking safety lid tip base 12 CD capable To Shred storage Easy empty/ large capacity bin W/ castors 20 CD capable Auto feed indexer Easy empty/ large capacity bin Side handles w/ Large castors Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 11
Information Destruction Architecture and platform - paper shredders appendix Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 12
product analysis // paper shredder Our analysis began with the disassembly of an existing paper shredder in order to understand the architecture of the underlying components. The product we disassembled was a crosscut style shredder claimed to be able to shred 10 (experimentation proved 8 to be a more realistic limit) as well as credit cards. Externally, the shredder consists of a plastic housing containing the shredding mechanism which sits atop a plastic bin intended to catch the shredded documents. The external housing includes a combination on/off/reverse switch with a safety lock mechanism, a power LED, overheat LED, and slots for feeding paper and credit cards into the shredding mechanism. LEDs on/off switch paper slot credit card slot trash bin Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 13
product analysis // tear down Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 14
product analysis // components schematic overlay power bin sensor paper power/energy feedback temp sensor trash bin motor blades power LEDs overheat LEDs on/off switch gears paper sensor paper controller board Disassembly of the shredder revealed the components shown below. The functional diagram overlaid on the photograph depicts each component, as well as the flow of paper, energy, and information through the shredder. Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 15
product analysis // components schematic diagram inputs paper power/energy feedback paper paper sensor power bin sensor on/off switch controller board motor gears blades temp sensor power LEDs overheat LEDs This functional diagram indicates the functioning of the shredder. At the most basic level paper flows into the shredder, triggering the paper-sensor, and then passes through the shredder s blades and into the trash bin. The flow of power is slightly more complex. Power enters the shredder via the power cord and is transmitted to the bin sensor, which interrupts the power supply if the trash bin is not attached to the bottom of the shredder unit. After the bin sensor, power passes through the on/off switch and is distributed to the paper sensor and the main controller board. If paper or a credit card activates the paper sensor, a signal is transmitted to the controller board which, in turn, sends power to the motor. The shredder s motor then drives a system of reduction gears which rotate the cutting blades, shredding the document. trash bin output Within this system, user feedback is provided by two LEDs on the main shredder housing. Whenever the on/off switch is in the on position, the power LED is illuminated, indicating that the shredder is receiving power. During shredding, a temperature sensor monitors the motor s operating temperature. If the temperature exceeds a predetermined level, the sensor sends a signal to the main controller board, which shuts the motor down, and illuminates the overheat LED to indicate the status to the user. Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 16
task analysis // shred paper Product Architecture and Platform Brian Brigham John Ekholm Shred Paper The task analysis shown represents the typical task flow a user encounters when using a paper shredder. In the task analysis diagram, diamonds represent decisions or judgments that must be made by the user. Rectangular boxes represent actions taken by the user. Lift shredder unit off of bin Empty bin Replace shredder unit on top of bin Is bin full? Is shredder on? Depress switch lock button Move switch to ON Are there any paperclips on the paper? Remove paperclips Remove first 8 Are more than 8 being shredded? Feed into shredder Is shredding complete? Are more than 8 left to shred? Are there left to shred? Switch shredder to reverse Remove Did shredder jam? Turn shredder off Is overheat light on? Remove next 8 Split into smaller groups Allow to cool down Unknown Problem Turn shredder on Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 17 Finish
task analysis // empty the bin Product Architecture and Platform Brian Brigham John Ekholm Shred Paper Is bin full? Lift shredder unit off of bin Empty bin Replace shredder unit on top of bin Is shredder on? Depress switch lock button Move switch to ON Remove paperclips Are there any paperclips on the paper? Remove first 8 Are more than 8 being shredded? Feed into shredder Is shredding complete? Are more than 8 left to shred? Are there left to shred? Switch shredder to reverse Remove Did shredder jam? Turn shredder off Is overheat light on? Remove next 8 Split into smaller groups Allow to cool down Unknown Problem Turn shredder on Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 18 Finish
task analysis // powering ON and indicators Product Architecture and Platform Brian Brigham John Ekholm Shred Paper Is bin full? Lift shredder unit off of bin Empty bin Replace shredder unit on top of bin Is shredder on? Depress switch lock button Move switch to ON Remove paperclips Are there any paperclips on the paper? Remove first 8 Are more than 8 being shredded? Feed into shredder Is shredding complete? Are more than 8 left to shred? Are there left to shred? Switch shredder to reverse Remove Did shredder jam? Turn shredder off Is overheat light on? Remove next 8 Split into smaller groups Allow to cool down Unknown Problem Turn shredder on Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 19 Finish
task analysis // prepare and feed Product Architecture and Platform Brian Brigham John Ekholm Shred Paper Is bin full? Lift shredder unit off of bin Empty bin Replace shredder unit on top of bin Is shredder on? Depress switch lock button Move switch to ON Remove paperclips Are there any paperclips on the paper? Remove first 8 Are more than 8 being shredded? Feed into shredder Is shredding complete? Are more than 8 left to shred? Are there left to shred? Switch shredder to reverse Remove Did shredder jam? Turn shredder off Is overheat light on? Remove next 8 Split into smaller groups Allow to cool down Unknown Problem Turn shredder on Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 20 Finish
task analysis // paper jam Product Architecture and Platform Brian Brigham John Ekholm Shred Paper Is bin full? Lift shredder unit off of bin Empty bin Replace shredder unit on top of bin Is shredder on? Depress switch lock button Move switch to ON Remove paperclips Are there any paperclips on the paper? Remove first 8 Are more than 8 being shredded? Feed into shredder Is shredding complete? Are more than 8 left to shred? Are there left to shred? Switch shredder to reverse Remove Did shredder jam? Turn shredder off Is overheat light on? Remove next 8 Split into smaller groups Allow to cool down Unknown Problem Turn shredder on Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 21 Finish
task analysis // over heat Product Architecture and Platform Brian Brigham John Ekholm Shred Paper Is bin full? Lift shredder unit off of bin Empty bin Replace shredder unit on top of bin Is shredder on? Depress switch lock button Move switch to ON Are there any paperclips on the paper? Remove paperclips 12 9 3 6 Remove first 8 Are more than 8 being shredded? Feed into shredder Is shredding complete? Are more than 8 left to shred? Are there left to shred? Switch shredder to reverse Remove Did shredder jam? Turn shredder off Is overheat light on? Remove next 8 Split into smaller groups Allow to cool down Unknown Problem Turn shredder on Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 22 Finish
task analysis // shred cd The task analysis for shredding a CD is slightly less involved than shredding paper, but there are a couple differences. For example, there is no need to count out as only one CD fits into the slot at a time. Shred Credit Card Is shredder on? Depress switch lock button Move switch to ON Feed card into shredder Is shredding complete? Are there more cards to shred? Switch shredder to reverse Did shredder jam? Is overheat light on? Remove card Turn shredder off Allow to cool down Unknown Problem Turn shredder on Finish Brian Brigham John Ekholm 11.06 ID547 Product Architecture and Platform 23