Cordless drill
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=Product Dissection= | =Product Dissection= | ||
Before doing anything else, we dissected our drill to take a look at each part up close and understand how the drill works from a technical standpoint. | Before doing anything else, we dissected our drill to take a look at each part up close and understand how the drill works from a technical standpoint. | ||
+ | |||
+ | [[Image:Drill1.jpg]] | ||
+ | |||
+ | |||
+ | This is our entire drill, before dissection. | ||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
|- | |- | ||
- | ! Part !! Description !! Qty !! Function | + | ! Part !! Description !! Qty !! Function !! Photo |
|- | |- | ||
! 001 | ! 001 | ||
- | | Battery || 1 || Provide electricity | + | | Battery || 1 || Provide electricity || [[Image:part001.jpg|100px]] |
|- | |- | ||
! 002 | ! 002 | ||
- | | Support Handle || 1 || Provide support for non-dominant hand | + | | Support Handle || 1 || Provide support for non-dominant hand || [[Image:part002.jpg|100px]] |
|- | |- | ||
! 003 | ! 003 | ||
- | | Supp. Handle Screw || 1 || Secure Support Handle | + | | Supp. Handle Screw || 1 || Secure Support Handle || |
|- | |- | ||
! 004 | ! 004 | ||
- | | Nut || 1 || Secure Support Handle Screw | + | | Nut || 1 || Secure Support Handle Screw || |
|- | |- | ||
! 005 | ! 005 | ||
- | | Screw || 4 || Secure Case | + | | Screw || 4 || Secure Case || |
|- | |- | ||
! 006 | ! 006 | ||
- | | Screw || 1 || Secure Case | + | | Screw || 1 || Secure Case || |
|- | |- | ||
! 007 | ! 007 | ||
- | | Screw || 7 || Secure Case | + | | Screw || 7 || Secure Case || |
|- | |- | ||
! 008 | ! 008 | ||
- | | Casing Part || 1 || Hold in parts | + | | Casing Part || 1 || Hold in parts || |
|- | |- | ||
! 009 | ! 009 | ||
- | | Casing Part || 1 || Hold in parts | + | | Casing Part || 1 || Hold in parts || |
|- | |- | ||
! 010 | ! 010 | ||
- | | Strap || 1 || USELESS | + | | Strap || 1 || USELESS || |
|- | |- | ||
! 011 | ! 011 | ||
- | | Plastic Plate || 1 || Provide drill information | + | | Plastic Plate || 1 || Provide drill information || |
|- | |- | ||
! 012 | ! 012 | ||
- | | Large Case R || 1 || Hold in parts | + | | Large Case R || 1 || Hold in parts || [[Image:part012.jpg|100px]] |
|- | |- | ||
! 013 | ! 013 | ||
- | | Large Case L || 1 || Hold in parts | + | | Large Case L || 1 || Hold in parts || [[Image:part013a.jpg|100px]] |
|- | |- | ||
! 014 | ! 014 | ||
- | | Clutch Trigger || 1 || Move clutch | + | | Clutch Trigger || 1 || Move clutch || [[Image:part014.jpg|100px]] |
|- | |- | ||
! 015 | ! 015 | ||
- | | Screw || 3 || Hold motor to chuck | + | | Screw || 3 || Hold motor to chuck || |
|- | |- | ||
! 016 | ! 016 | ||
- | | Motor || 1 || Provide torque | + | | Motor || 1 || Provide torque || [[Image:part016.jpg|100px]] |
|- | |- | ||
! 017 | ! 017 | ||
- | | Spacer || 1 || Provides support for motor and gear housing | + | | Spacer || 1 || Provides support for motor and gear housing || |
|- | |- | ||
! 018 | ! 018 | ||
- | | Ball Bearings || 14 || Minimize friction of moving parts | + | | Ball Bearings || 14 || Minimize friction of moving parts || |
|- | |- | ||
! 019 | ! 019 | ||
- | | Screw || 2 || Secure Spacer to Motor | + | | Screw || 2 || Secure Spacer to Motor || |
|- | |- | ||
! 020 | ! 020 | ||
- | | Heat Sink || 1 || Dissipate Heat into the air | + | | Heat Sink || 1 || Dissipate Heat into the air || [[Image:part020a.jpg|100px]] |
|- | |- | ||
! 021 | ! 021 | ||
- | | Battery Terminal || 1 || Connect Battery to Motor | + | | Battery Terminal || 1 || Connect Battery to Motor || [[Image:part021.jpg|100px]] |
|- | |- | ||
! 022 | ! 022 | ||
- | | Trigger || 1 || switches motor on and off | + | | Trigger || 1 || switches motor on and off || [[Image:part022.jpg|100px]] |
|- | |- | ||
! 023 | ! 023 | ||
- | | Secondary Clutch Trigger || 1 || Translates movement from Clutch Trigger to Clutch | + | | Secondary Clutch Trigger || 1 || Translates movement from Clutch Trigger to Clutch || [[Image:part023.jpg|100px]] |
|- | |- | ||
! 024 | ! 024 | ||
- | | Clutch/Switch || 1 || Allowes Motor to be engaged, selects direction of rotation | + | | Clutch/Switch || 1 || Allowes Motor to be engaged, selects direction of rotation || |
|- | |- | ||
! 025 | ! 025 | ||
- | | Clutch Selector || 1 || Selects stopping torque | + | | Clutch Selector || 1 || Selects stopping torque || |
|- | |- | ||
! 026 | ! 026 | ||
- | | Collar || 1 || Covers Chuck | + | | Collar || 1 || Covers Chuck || |
|- | |- | ||
! 027 | ! 027 | ||
- | | Chuck Assembly || 1 || Secures bit and translates torque from motor to bit | + | | Chuck Assembly || 1 || Secures bit and translates torque from motor to bit || [[Image:chuck.jpg|100px]] |
|- | |- | ||
|} | |} |
Revision as of 01:04, 31 January 2007
Contents |
Cordless Drill
Group II Ming Huo Scott Miller Vishesh Nandedkar Mark Rockwell
Product Dissection
Before doing anything else, we dissected our drill to take a look at each part up close and understand how the drill works from a technical standpoint.
This is our entire drill, before dissection.
Function/Purpose:
Spin "bits" with a specified torque (variable stepping torque)
- many different types of "bits"
- Drive screws
- Drill holes
- removing stripped bits
- Mixing paint/batter/dough
- pumping water w/ drill powered pump
- impromptu dremeling
- binding things
- home construction
- alignment
- safety
Inputs/Outputs:
- INPUTS: Axial force
- INPUTS: Trigger Pull
- INPUTS: Electricity (battery)
- INPUTS: Countertorque (resist what motor implements)
- OUTPUTS: Rotational motion
- OUTPUTS: torque
Use and Basic operation:
(scenario where putting screw in wall)
- Charge Battery
- Remove battery from charger
- Slide battery into drill
- Select bit/tool
- Loosen Chuck
- insert bit and tighten chuck
- select "cut-off" torque
- engage drive or gear
- Place head of screw on bit.
- Hold head of screw to bit (with hand).
- Place Tip of screw to desired object
- Partially squeeze trigger to provide low rotation-speed at first. All this while pushing axially.
- once screw's thread catch the wood, pull trigger to increase torque/omega.
- consistantly adjust to make sure bit is in line with screw.
- Let go of trigger when screw at desired location.
Different Users / Use Scenarios
- weak wrist/grip
- shaky hands
- can't push hard enough
- tightening Chuck
- Actual drilling into material
- Dead battery
- Improper/Hard surface
- Screw stripping
- Screw alignment
- Wrong bits.
- Aligning bit correctly within chuck
- Poor eyesight
- Poor hand-eye cooridnation
- Over-torquing (too soft a surface)
- Poor lighting
- no hands
- tight areas/corners (awkward shape)
- Hard time hearing maybe can't hear what's happening
- screw stripping
- overtorqueing
- not strong enought to switch between F/N/R