How a Colchester lathe was made

[Guzrik]

Expect a lot of people seen this, but maybe it is still nice.

 

[earthman]

Thanks for posting, I'll watch that later for sure.

 

[Morrisman]

Very interesting. The underwater induction hardening was something I've not seen before.

 

[Rrobson]

Thanks for that, always enjoy watching videos of this type. Still impressive the tolerances they worked to in the day. We occasionally work to tenths but never been close to millionth of an inch!

Proper engineering

 

[grim_d]

We occasionally work to tenths but never been close to millionth of an inch!

I have. But only by accident.

 

[Seadog]

I loved the way the girl checking the precision Gamet rollers tossed them into the box to her right.

 

[Guzrik]

Very interesting. The underwater induction hardening was something I've not seen before.

I thougt that was EDM to finish tooth shape?
How about fabricating their own bearings, can't imagin that nowadays.

 

[Morrisman]

Thanks for that, always enjoy watching videos of this type. Still impressive the tolerances they worked to in the day. We occasionally work to tenths but never been close to millionth of an inch!

Proper engineering

Joseph Whitworth built a machine that measured to 0.000001" back in the 18th century.


"His next innovation, in 1840, was a measuring technique called "end measurements" that used a precision flat plane and measuring screw, both of his own invention. The system, with a precision of one millionth of an inch (25 nm), was demonstrated at the Great Exhibition of 1851"

 

[pressbrake1]

I’ve got over 2ton of ex Colchester factory tooling

 

[pressbrake1]

Here’s a 40int slotting blade holder

 

[Morrisman]

I thougt that was EDM to finish tooth shape?
How about fabricating their own bearings, can't imagin that nowadays.

Hmm, I may have got confused, as usual I had TV on, Facebook open, and reading this forum simultaneously.

 

[pressbrake1]

I thougt that was EDM to finish tooth shape?
How about fabricating their own bearings, can't imagin that nowadays.

No that was submersed induction hardening. Edm gears in a production environment would lead to bankruptcy quickly!

 

[CornishPete]

"and it rings" fantastic!