Virtual Dissection Dewalt 1
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|align="center"|1/4 Chuck & Key | |align="center"|1/4 Chuck & Key | ||
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| [[Image:chuck_holder.jpg|center|thumb|50px]] | | [[Image:chuck_holder.jpg|center|thumb|50px]] | ||
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Revision as of 10:12, 11 April 2007
Contents |
Post Disassembly Analysis
Basic Description
- Product: Heavy Duty 1/4 inch Drill
- UNSPC code (for power drill): 2711270
- Make: DeWalt
- Model: DW 217
- Power: 120 V AC at 50 to 60 Hz, 6.7 Amps
- Speed: 0 to 4000 RPM
- Weight: 3.2 lbs or 1.45 kg
Disassembly Procedure
<embed src="http://www.youtube.com/v/zYvyWgXYpds" type="application/x-shockwave-flash" wmode="transparent" width="425" height="350"></embed>
Post Diassembly Analysis
The table belows lists individual parts for DeWalt DW 217 Drill.
| Part # | Part Name | Quantity | Picture | 3D model | 2D model |
|---|---|---|---|---|---|
| 1 | Ball Bearing | 1 |  |
 |
 |
| 2 | Left Brush Holder | 1 |  |
 |
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| 3 | Right Brush Holder | 1 |  |
 |
 |
| 4 | Ball Beaing at chuck | 1 |  |
 | |
| 5 | 1/4 Chuck & Key | 1 |  |
 | |
| 6 | Coil Spring | 1 | Regulates the contact between the journal and the brush. |  |
 |
| 7 | Gear Case | 1 | Secures chuck in place and houses gears. |  |
 |
| 8 | Fan | 1 | Vents the inside of drill and cools internal mechanisms. |  |
 |
| 9 | Electromagnet | 1 | Creates electromagnetic field and rotates the motor. |  |
 |
| 10 | Baffle | 1 | Holds electromagnet in place. |  |
File:Roundcase.png 50px |
| 11 | Cup | 1 | Secures ball bearing in place with snug-fit. |  |
 |
| 12 | Bearing for Shaft | 1 | Allows the smooth rotation of the shaft. |  |
 |
| 13 | Gasket | 1 | Acts as the cushion between the metalic lid and the plastic housing. |  |
 |
| 14 | Output Gear | 1 | Rotational motion of the motor reduced in speed is put out through this gear for actual rotational motion of the drill bit. |  |
 |
| 15 | Needle Bearing | 1 | Assists the smooth rotation of the motor. | |
|
| 16 | Front Housing | 1 | Protects inner structures from impact and dust. |  |
File:Housing1.png 50px |
| 17 | Rear Housing / Handle | 1 | Protects inner structures from impact and dust. |  |
File:Housing2.png 50px |
| 18 | Screw (type 1) | 2 | Holds left and right brush holders in place. |  |
File:Short screw.png 50px |
| 19 | Brush | 1 | Assists in stable rotation of the motor and the shaft. |  |
 |
| 20 | Screw (type 2) | 3 | Holds front and rear housings together. |  |
 |
| 21 | Gear Case Cover | 1 | assists the smooth rotation of the motor. | |
|
| 22 | Restrainer | 1 | assists the smooth rotation of the motor. |  |
 |
| 23 | Armature | 1 | assists the smooth rotation of the motor. | |
|
| 24 | Worm Gear & Shaft | 1 | Wormgear transmits direct torque from the motor to output gear. |  |
 |
| 25 | Screw (type 3) | 3 | Holds chuck casing and front housing together. |  |
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| 26 | Circuit Box | 1 | Controls the current and voltage through the drill. | .jpg){kind=small} |
 |
| 27 | Direction Switch | 1 | Switches the direction of current to switch the direction of chuck rotation. |  |
|
| 28 | Trigger Lock | 1 | assists the smooth rotation of the motor. |  |
 |
| 29 | Pin | 1 | Holds circuit box and direction switch box together. |  |
 |
| 30 | Direction Switch Box | 1 | Controls the rotational direction of the shaft thus for the drill bit. |  |
File:Top box.png 50px |
| 31 | Trigger | 1 | Pulled in to turn the drill on. Can be compressed in various degrees to vary the rotational speed of drill bit. |  |
 |
