Charlie Chen
PORTFOLIO
Auto CAD and Inventor
MECHANICAL PROJECTS
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
GENERAL NOTES:1. ALL FILLETS AND ROUNDS R.12
2. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
DFT113-RTC-FINAL
CASTER ASSEMBLY (PARTS LIST)REF. # QTY. DESCRIPTION MATERAIL DWG. #
1 1 WHEEL MALLEABLE IRON DFT113-RTC-PT2
2 1 AXLE SAE 1020 DFT113-RTC-PT4
3 2 BUSHING BRONZE DFT113-RTC-PT5
4 2 AXLE SUPPORT MALLEABLE IRON DFT113-RTC-PT3
5 1 TOP PLATE MALLEABLE IRON DFT113-RTC-PT1
6 4 716 X 1.25 HEX BOLT - -
7 4 LOCK WASHER - -
8 4 NUT - -
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN DFT113-RTC-PT1
PT 1 - TOP PLATEGENERAL NOTES:1. ALL FILLETS AND ROUNDS R.50
2. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
PT 2 - WHEEL
DFT113-RTC-PT2
GENERAL NOTES:1. ALL FILLETS AND ROUNDS R.12
2. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN DFT113-RTC-PT3
PT 3 - AXLE SUPPORT
GENERAL NOTES:1. ALL FILLETS AND ROUNDS R.12
2. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN DFT113-RTC-PT4
PT 4 - AXLE
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
.06 X 45°
CHAMFER TYP
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN DFT113-RTC-PT5
PT5 - BUSHING
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
DFT113-RTC-FINAL
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
CASTER ASSEMBLY (PARTS LIST)REF. # QTY. DESCRIPTION MATERAIL DWG. #
1 1 POST SAE 1112 DFT113-RTC-PT1
2 1 BRACKET 13G S GA DFT113-RTC-PT2
3 1 WHEEL HARD RUBBER DFT113-RTC-PT4
4 1 SHAFT SAE 1112 DFT113-RTC-PT3
5 1 BUSHING BRASS DFT113-RTC-PT5
6 1 RETAINING RING STEEL -
(1)
(2)
(3)
(6)(5)
(4)
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
DFT113-RTC-PT1
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
.06 X 45°
CHAMFER
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
DFT113-RTC-PT2
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
DFT113-RTC-PT3
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
.05 X 45°
CHAMFER
.10 X 45°
RIB
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
DFT113-RTC-PT4
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
CASTER ASSEMBLY
DFT113-RTC-PT5
GENERAL NOTES:1. ALL SURFACES MUST BE FREE OF BURRS AND SHARP
EDGES.
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
HERO FACTORY 6293
TEAM PROJECT
ASSEMBLED VIEW
EXPLODED VIEW
PART LIST
PHOTOS
Autodesk Revit
ARCHITECTURAL PROJECTS
EXTERIOR FROM FRONT
EXTERIOR FROM BACK
EXTERIOR FROM BACK
KITCHEN RENDERING
BATHROOM
RENTON TECHNICAL COLLEGE
ENGINEERING DESIGN
TECHNOLOGY
4TH
QUARTER MECHANICAL
FINAL PROJECT
BY CHARLIE CHEN
AUTOCAD
MECHANICAL PROJECT:
ADJUSTABLE ATTACHMENT
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN ASSEMBLY
ASSEMBLY
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
FRAME
ADJUSTABLE ATTACHMENT-PT1
FRAME
SAE 4340
REMOVE ALL BURRS & SHARP EDGES
FAO
FILLETS AD ROUNDS R.125
1 REQD
1/4-20 UNC-2B
R.09
1/4-20 UNC-2B
R.44
2x R.38
.09 SAW CUT
2X R.50
7/16-14 UNC-2B
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
45°x.03
#8-32 UNC-2A
HEX SOCKET
FLAT
SET SCREW
1 REQD
1/2-20 UNF-2A
ADJUSTING SCREW
ADJUSTABLE ATTACHMENT-PT2
ADJUSTING SCREW
SAE 1045
REMOVE ALL BURRS & SHARP EDGES
FILLETS AD ROUNDS R.125
1 REQD
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN ADJUSTING NUT
ADJUSTABLE ATTACHMENT-PT3
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
ADJUSTING NUT
SAE 3130
REMOVE ALL BURRS & SHARP EDGES
1 REQD
1/2-20 UNC-2B
MEDIUM DIAMOND KNURL
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
PILOT SCREW
ADJUSTABLE ATTACHMENT-PT4
PILOT SCREW
SAE 2330
REMOVE ALL BURRS & SHARP EDGES
1 REQD
1/4-20 UNC-2A
45° X .03
PITCH 64
DIAMOND KNURL
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
KNURL KNOB
ADJUSTABLE ATTACHMENT-PT5
KNURL KNOB
SAE 1024
REMOVE ALL BURRS & SHARP EDGES
1 REQD
R.06
PITCH 64
DIAMOND KNURL
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
CLAMP SCREW
SAE 2330
REMOVE ALL BURRS & SHARP EDGES
1 REQD
CLAMP SCREW
ADJUSTABLE ATTACHMENT-PT6
45°X.03
DRILL & REAM
FOR #0 TAPER
PIN ASSEMBLY
Renton Technical College3000 NE fourth st. Renton , WA 98056
Engineering Design Technology
DRAWN BY : C.CHEN
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL ± .015
ANGULAR ± 1°
TWO PLACE DECIMAL ± .01
THREE PLACE DECIMAL ± .005
TAPER PIN
ADJUSTABLE ATTACHMENT-PT7
INVENTOR
MECHANICAL PROJECT:
ADJUSTABLE ATTACHMENT
AOM Project
Floor plan
LOBBY
Conference Room
Break Room
Break Room
Back door / Work station
Mail Room
Office
Work Stations