3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings...

14
3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D Printing Opto-Mechanics David J. Starling Mari Magabo Joseph Ranalli Kenneth Dudeck Penn State Hazleton January 12, 2015

Transcript of 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings...

Page 1: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

3D Printing Opto-Mechanics

David J. Starling Mari MagaboJoseph Ranalli Kenneth Dudeck

Penn State HazletonJanuary 12, 2015

Page 2: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

Introduction

Can we replace high-cost computerized optomechanicaldevices with custom 3D printed parts?

Yes!

I What are opto-mechanics?

I 3D drawings

I Arduino control

I Results

Page 3: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

What are opto-mechanics?

Optomechanical parts are mechanical devices used tocontrol optical systems.

(source: www.thorlabs.com)

Examples:

I Mirror mounts

I Translation stages

I Rotation mounts

I Fiber aligners

I Rail and cage mounts

I Pedestals and Posts

Page 4: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

What are opto-mechanics?

Rotation mounts are used primarily with polarizers, quarter-and half-wave plates.

2

1

BiBO

BBO F

A1

A2

F

Laser

(Physical Review A 84, 032305 (2011))

I Polarimetry

I Tests of quantum mech.

I Violate a classical

inequality- 20 - 10 0 10 20

0

1

1.5

2

2.5

°

MJ C

Waveplate Angle ( )

0.5

Page 5: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

What are opto-mechanics?

The problem? The cost...

I 4-axis Controller: $6,563

I 4 drive modules: $2,456

I 4 Rotation Stages: $6,000

I Total: $15,019

Page 6: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

3D drawings

We want to create a comparable device to Newport’sPR50PP rotation stage.

I 10 N load

I Minimum angular

motion: 0.02◦

I 360◦ angular range

(18,000 steps)

I Maximum speed: 20◦/s

Page 7: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

3D drawings

We use a low-cost stepper motor for control.

HF GEDCB

1

2

3

5

4

6

1

2

3

5

4

HF GEDCBA

6

FORM-ENG-07

CONTROL SIGNATURE:

COPY

RIGH

TTH

EINF

ORMA

TION

CONT

AINED

INTH

ISDR

AWIN

GIS

CONF

IDEN

TIAL.

SCALE UNIT

SIZE

DRAWN XUHEZHAO

CHECKED

APPROVEDFINISH

MATERIAL

UNSPECIFIED TOLERANCE:

TITLE

SHEET

DWG.NO.

OF REV A1 1

2 009 03 07

m m

A 4

A 1ST ISSUEREV. EPO# DETAILS DATE

090327

MERCURY MOTOR

42.3Max

31 0.1

1200

2

AWG26软线

深4.5mm

4-M3

34Max

42.3Max

31

0.1

A

C

B D

RED

GRN

YUL BLU

STEP ANGLE 1.8° 5% VOLTAGE 12V

PHASES 2 CURRENT 0.33A

INSULATION RESISTANCE 100Mohm(500V DC) INDUCTANCE 46 20% Mh

CLASS OF INSULATION B RESISTANCE 34 10%

WEIGHT 0.20Kg HOLDING TORQUE 0.23N.M

COMMON RATEING SPECIVICATIONS

SM-42BYG011-25-090327

SM-42BYG011-25

WIRING DIAGRAM

(ROB-09238 at sparkfun.com)

I $15

I Bipolar Motor

I 200 steps/rev, 800 µsteps/rev

I Holding torque: 0.23 N-m

Page 8: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

3D drawings

We chose to use a 20:1 ratio worm drive system to couplethe stepper to the optic mount.

(from wikipedia.org)

This results in 16,000 microsteps per revolution, or 0.023◦

of resolution.

Page 9: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

3D drawings

Each part was drawn in Solid Works, exported to STL,sliced with slic3r and 3D printed using pronterface.

The worm is printed in two parts and glued together.

Page 10: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

3D drawings

The end product consists of 4 main parts: the optic holder,the main body, the worm and a stabilizing box.

The worm is held against the worm gear with a springattached to the stabilizing box.

Page 11: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

Arduino control

We use an Arduino Duemilanove with an ATmega168 ($11)with an EasyDriver Stepper Motor Driver ($15).

I Cost for arduino, drivers and motors: $131

I Cost for PLA: $19

I Savings: $14,850 or 99%.

Page 12: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

Arduino control

The arduino listens on the USB serial port for commandsfrom the PC.

Commands are sent using python to control the waveplateangle.

Page 13: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

Results

We test the rotation control using laser intensitymeasurements through crossed polarizers.

The data should follow a I(θ) = I0 cos2(θ) curve.

Page 14: 3D Printing Opto-Mechanics · 3D Printing Opto-Mechanics What are opto-mechanics? 3D drawings Arduino control Results 3D drawings The end product consists of 4 main parts: the optic

3D PrintingOpto-Mechanics

What areopto-mechanics?

3D drawings

Arduino control

Results

Results

We can 3D print and electronically control a rotation mount

(a) good for optics measurements

(b) 99% savings

(c) customizable size, shape, mounting

(d) great undergrad project!

Contact Information:

I David J. Starling

I email: [email protected]

I website: www.david-starling.com