OT A book which opens your mind

[old mart]

I wouldn't worry about the slight missalignment, it is only for catching oil to lubricate the bush.

[old mart]

I bought a 20mm, 3/4" manual chuck and an R8 arbor for the rock bottom price of £36 and was pleased to find that it already had a 1/2" hole...

[old mart]

Some time back, I was turning a bit of 4" diameter stainless on the museum's lathe and the swarf coming off was continuous. I was stupid enough to...

[old mart]

I have some of those first generation insert cutters, they work fairly well, but don't waste money paying full prices for them. The ones like in the first...

[old mart]

My old firm used a fibrous plastic or resin to test CNC programs before risking tooling and metal stock. There was much less likelyhood of destroying...

[old mart]

Well, you cannot be illiterate, or you wouldn't have been able to reply to this thread.

[old mart]

I have one, used occasionally, it comes with a good set of different shape and length probes. You cannot use the dial graduations for any sort of measurement,...

[old mart]

I have almost finished reading a library book which is both educational and deeply disturbing. I recommend it to people who like to do a bit more than...

[old mart]

I would think that the metal got heat treated after the flats and bend were done. Might be some kind of chrome-moly. Maybe a scrap merchant or metal dealer...

[old mart]

Strange that 4 jaw chucks are popping up with odd or custom parts. Back on the 10th Jan, Lalkie started a thread about his 4 jaw scroll which has missmatched...

[old mart]

I have a cheap tilting table with a top of about 8" x 5" with a worm drive which beats tapping the top. With a decent spirit level to compare...

[old mart]

Definitely tool storage, nowdays they could be printed easily.

[old mart]

I found one of those chucks amongst a legacy that the museum was given. I even went as far as to buy an arbor for it, but it had about 0.010" tir...

[old mart]

Perhaps a slightly greater rad at the top would be easier on the hand.

[old mart]

You could put a little 2 stroke oil in, say about 400-1 mix, which won't harm the engine and might prevent rust.

[old mart]

Build more cities and golf courses in the desert, thats the South West way.

[old mart]

Constant use would be the best solution, I have always wondered if running the tank nearly empty before filling right up, or keeping the tank topped up...

[old mart]

So what is going to stop the tank from rusting again after you have cleaned it? That is where one of the sealers which coat the inside will come into...

[old mart]

When the round column mill at the museum is used with large diameter shell mills, up to 80mm, there is a difference in the cuts depending on which direction...

[old mart]

I get annoyed when I see somebody taking a golden retriever or labrador out and the poor thing is wearing a coat, and its not even freezing....