Author Topic: GUN machining  (Read 1631 times)

Big Frank

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Re: GUN machining
« Reply #10 on: November 18, 2021, 01:06:35 PM »
It seems around here that most of the really good machinists are passing away. It is a terrible waste of talent as most of them do/did not have an apprentice.

That happens with too many true craftsmen no matter what trade they're in.
""It may be laid down as a primary position, and the basis of our system, that every Citizen who enjoys the protection of a free Government, owes not only a proportion of his property, but even his personal services to the defence of it, and consequently that the Citizens of America (with a few legal and official exceptions) from 18 to 50 Years of Age should be borne on the Militia Rolls, provided with uniform Arms, and so far accustomed to the use of them, that the Total strength of the Country might be called forth at a Short Notice on any very interesting Emergency." - George Washington. Letter to Alexander Hamilton, Friday, May 02, 1783

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Big Frank

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Re: GUN machining
« Reply #11 on: November 18, 2021, 01:19:02 PM »
Not actually unreasonable .
That's why machinists spend so much time learning to use a file.   ;D


Say, There is ONE person nearby I could ask. 
So BAC, how do you feel about personal projects ?    ;D

(Not a serious question, I know how it is   ;D  )

I remember reading about an old machinists or metalworkers exam, in Germany IIRC, where they were given a chunk of steel and a file. Then they made a 1" cube (or whatever the measurement was) with no other metal working tools. Slap it in a vise, file, check for level, file, check for square, etc., until you had your perfect little steel cube. Or you didn't. It was a GO - NO GO kind of test, pass or fail. It wasn't like high school woodshop where we were graded on a kerf. ;)
""It may be laid down as a primary position, and the basis of our system, that every Citizen who enjoys the protection of a free Government, owes not only a proportion of his property, but even his personal services to the defence of it, and consequently that the Citizens of America (with a few legal and official exceptions) from 18 to 50 Years of Age should be borne on the Militia Rolls, provided with uniform Arms, and so far accustomed to the use of them, that the Total strength of the Country might be called forth at a Short Notice on any very interesting Emergency." - George Washington. Letter to Alexander Hamilton, Friday, May 02, 1783

THE RIGHT TO BUY WEAPONS IS THE RIGHT TO BE FREE - A. E. van Vogt, The Weapon Shops of Isher

tombogan03884

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Re: GUN machining
« Reply #12 on: November 18, 2021, 05:03:01 PM »
I remember reading about an old machinists or metalworkers exam, in Germany IIRC, where they were given a chunk of steel and a file. Then they made a 1" cube (or whatever the measurement was) with no other metal working tools. Slap it in a vise, file, check for level, file, check for square, etc., until you had your perfect little steel cube. Or you didn't. It was a GO - NO GO kind of test, pass or fail. It wasn't like high school woodshop where we were graded on a kerf. ;)

Project #1 of pretty much any good machining course.
When C&Rsenal talks about Werndle getting sick of filing in Dad's factory, he doesn't mean shuffling papers.   ;D
One of my 3D print programs is a 25.4mm XYZ cube  ;D 
That is actually the purpose.
You are making a calibration cube so your first project is your first functional tool.

PegLeg45

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Re: GUN machining
« Reply #13 on: November 19, 2021, 09:11:44 AM »
I remember reading about an old machinists or metalworkers exam, in Germany IIRC, where they were given a chunk of steel and a file. Then they made a 1" cube (or whatever the measurement was) with no other metal working tools. Slap it in a vise, file, check for level, file, check for square, etc., until you had your perfect little steel cube. Or you didn't. It was a GO - NO GO kind of test, pass or fail. It wasn't like high school woodshop where we were graded on a kerf. ;)

We had to pass a test like this in HS machine shop class before we were allowed to test on the machinery. The teacher gave us a 4" long bar of 2" x 3/8" cold-rolled, two files and a blueprint....and we were allowed to use a 6" bench vise to clamp it in. I still have the piece somewhere in my trappings.
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