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