06:48

Investigating error due to clamping forces and first imaging test

10:28

Taking another pass- diamond turning a spherical mirror

13:22

Interferometry!- Diamond turning a spherical mirror pt 2

09:05

Diamond turning a spherical mirror- roughing and work holding

00:42

Bath interferometer (for inspecting diamond turned optics?)

11:22

A magnet that attracts aluminum and copper

14:22

“Diving Board” flexure lever mechanism for high resolution adjustment

10:53

An unintuitive discovery regarding the speed of canned air

00:49

STROBOTAC comes in handy measuring grinding spindle RPM

06:47

Precision ball bearing ring

38:54

Adventures in machining sound

04:47

Ultra-low influencing shaft coupling (unidirectional)

04:52

Nanoscale air bearing vibrations cause surface finish issues in diamond turned surfaces

12:43

Everything a thermometer, everything a spring

09:20

Spiral groove aerodynamic thrust bearing prototype

01:55

Sine waves in aluminum!!

04:44

Diamond turning sine waves into acrylic

03:34

DIY Diamond Turning Lathe Update- Linux CNC!

13:24

Precision laser sensor teardown (flexures?!?!)

02:07

Optical lever to increase indicator resolution

03:28

I built an ultra-precision CNC lathe. (Diamond turning lathe project)

00:38

Engraving a familiar cat into some stainless with a fiber laser

00:15

Diamond fly cutting an encoder mounting face

08:15

Ultra precision flexure based diamond turning lathe toolpost

01:06

Z axis repeatability over a long rapid move

15:53

Homemade hydrostatic bearings for diamond turning lathe: a slightly closer look

13:34

Ultra precision air bearing stage with friction bar drive (DTL Z axis)

00:26

First test run of homemade hydrostatic bearing guideway

13:40

Getting flat: Making cast iron lapping plates

12:53

Precision Metrology- Two footed twist gage and Hertzian contact stresses

05:53

Homemade Diamond Turning Lathe Update 11-2022

01:01

How do the best grinders in the world infeed .00001”?

01:59

Interferometer on a vibration isolation table

06:09

A better way to use optical flats: Fizeau (ish) interferometer thingy

01:17

High Voltage Excitation of Piezo Crystal?

01:17

Video of cutting the mirror (for Dave)

05:55

MIRROR FINISH with PCD insert and air bearing spindle

00:23

A block cut such that the different modes of vibration make a minor chord

02:42

Interferometer becomes seismometer

01:01

Toolpost Grinder with tool changer

05:27

Gravity induced warping/creep over time in precision straightedge

01:41

More insane quasi kinematic coupling repeatability

01:49

Hale coupling repeating to under 5 microinches?

16:25

Professional Instruments Air Bearing Spindle for Diamond Turning Lathe (!?!?!)

01:15

Tool post forces follow up

13:29

THE INDEXABLE SOLID TOOL POST

05:39

Measuring Nanometers With Light: Michelson interferometer setup

04:44

.000005”resolution??? CRAZY Precision with PID servo.

04:22

Insane air bearing spindle update

01:12

First Chips! MASSO CNC lathe retrofit

03:33

ABSOLUTE CNC WIZARDRY (feat. ALL of the axes)

02:47

AIR BEARING SPINDLE Thrust Bearing, except this time with ~~50% radial constraint~~

03:45

Air Bearing Spindle Thrust Bearing!

01:49

A Quick Air Bearing Spindle Update

00:35

MIRROR FINISH on ductile iron in the lathe

08:55

What can you see with .00002” resolution? Flexture based indicator stand

02:29

Machining a Precision Shaft Coupling

20:05

OFFICIAL Air Bearing/Diamond Turning Lathe (Gelbart Machine) Project Update: Dec. 2020

01:02

Shaft spinning so fast it stands still

17:37

NERF to No Joke: Reverse Engineering a NERF Gun to Make a Full Metal Airsoft Machine Gun