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Thread: lathe levelling book download
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22nd July 2012, 08:24 PM #1
lathe levelling book download
Hi
Apparently this book is considered to be the BIBLE on the lathe levelling topic .
I've been trying to download it from google books without success. It was translated from German to English in 1932, it has been reprinted many times up to 1970 , 7th edition. Maybe somebody else can download it . How does google books work: do you pay anything ?
Testing machine tools: for the use of machine tool makers, users, inspectors ... - Georg Schlesinger, Franz Koenigsberger - Google Books
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22nd July 2012, 08:29 PM #2GOLD MEMBER
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That book might be a bit out dated for modern machines.
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22nd July 2012, 08:53 PM #3future machinist
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Google books only works in the US but I think you can download via a proxy server.
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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22nd July 2012, 09:32 PM #4
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22nd July 2012, 09:45 PM #5GOLD MEMBER
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Maybe I put that in so it would reflect the thoughts in the book thread.
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22nd July 2012, 10:52 PM #6Senior Member
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Hi morrisman, The book may not even be available as a free download in USA, it may not even be available as an ebook on a pay for basis.
A bit of information on Google books, ebook availability etc here, Why can't I read the entire book? - Books Help
Cheers.If I'm not right, then I'm wrong, I'll just go bend some more bananas.
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22nd July 2012, 11:00 PM #7Philomath in training
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Yes and no.
Schlesinger standards were (are) a collection of accuracy standards accepted as reasonable by both makers and customers. It's a bit like a voluntary code of conduct, but these days it a machine survey could cost as much as a cheap machine out of China so would you bother? They don't cover CNC but because of the scales and feedback loops it probably is a moot point.
You've got to think too - back when it was first written (1927) checking of machines was done mechanically, as was the making of them. These days the CNC machines that make machine tools use inserted tooling, run to a program and can be self checking, so the likelihood of a serious inaccuracy is much reduced. As stated above they only apply to manual machines and these are a dying breed for production work too.
The accuracy values that are given are the same as in Connelly and in JIS (Japanese standard). It is the sort of thing that these days someone like Phil (Machtool) would be asked to work to - although perhaps not by name but by specification.
Not much in there about levelling. Mainly that it has to be level.
Michael
(I have 8E)
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22nd July 2012, 11:17 PM #8
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23rd July 2012, 08:45 AM #9Senior Member
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That book might be a bit out dated for modern machines.
I do have a Schlesinger, and I think it is far better than the Connelly (that I have read).
For obvious reasons, it only handles mechanical topics.
But at what it is good at, is explaining the procedures and ideas behind the measurements. And that in a very well and precise way.
The Schlesinger standard is the mother of all standards for machine accuracy. Comparing the current DIN for a mill or a lathe to the Schlesinger standard, there are very little differences.
It doesn't address scraping etc. at all, it's only about the metrology related to the geometry of the machine. Thus no word about how to align a dovetail or the like. The book's audience are inspectors that verify the machines' accuracy.
One of the very few books that are light in page count, but heavy in content.
Nick
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24th July 2012, 09:15 PM #10SENIOR MEMBER
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HI,
I have looked for that Book previously with No luck. Whilst Searching again just now, I found that RayG had posted a Copy of 'Testing Machine Tools' it is By Burley though and not Schlesinger https://www.woodworkforums.com/f65/sc...-tools-147384/ .All The Best steran50 Stewart
The shortest way to do many things is to do only one thing at once.
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24th July 2012, 09:36 PM #11
ok
OK
This topic has been mentioned previously on this forum . I should have searched this forum before posting . I will do in future
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