Elementary Machine Shop Practice As Adapted to Its Teaching in Technical Schools
Elementary Machine Shop Practice As Adapted to Its Teaching in Technical Schools
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In our eReader you can find the full English version of the book. Read Elementary Machine Shop Practice As Adapted to Its Teaching in Technical Schools Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Elementary Machine Shop Practice As Adapted to Its Teaching in Technical Schools
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To provide a rest for the scraper a tool is clamped in the tool-post and as close as possible to the surface being scraped.
A scraper is usually made from an old file ground smooth on the two sides and with a little clearance at the end.
FINISHING TAPER To finish the taper, set the compound rest at an angle of 30 degrees with the axis of the lathe. Such a rest is normally 'at right angles with the lathe axis so that it must be turned through 60 degrees to cut the 30 degree angle. A regular turn...ing tool may be used to finish this angle, but it should be set so that the straight side will be nearly parallel with the tapered surface.
If the lathe is not provided with a compound rest, the angle may be cut with the side of a tool set at the proper angle. To set this tool, use the thread and center gauge, as shown in Fig. 26.
In case the angle is any other than 30, or 60 degrees, it is necessary to set the tool with a bevel and bevel protractor.
After the taper has been cut, it may be finished smooth by scraping with a lathe scraper in very much the same manner as shown in Pig.
What to read after Elementary Machine Shop Practice As Adapted to Its Teaching in Technical Schools?
You can find similar books in the "Read Also" column, or choose other free books by Theron Josiah Palmateer to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
To provide a rest for the scraper a tool is clamped in the tool-post and as close as possible to the surface being scraped.
A scraper is usually made from an old file ground smooth on the two sides and with a little clearance at the end.
FINISHING TAPER To finish the taper, set the compound rest at an angle of 30 degrees with the axis of the lathe. Such a rest is normally 'at right angles with the lathe axis so that it must be turned through 60 degrees to cut the 30 degree angle. A regular turn...ing tool may be used to finish this angle, but it should be set so that the straight side will be nearly parallel with the tapered surface.
If the lathe is not provided with a compound rest, the angle may be cut with the side of a tool set at the proper angle. To set this tool, use the thread and center gauge, as shown in Fig. 26.
In case the angle is any other than 30, or 60 degrees, it is necessary to set the tool with a bevel and bevel protractor.
After the taper has been cut, it may be finished smooth by scraping with a lathe scraper in very much the same manner as shown in Pig.
What to read after Elementary Machine Shop Practice As Adapted to Its Teaching in Technical Schools?
You can find similar books in the "Read Also" column, or choose other free books by Theron Josiah Palmateer to read onlineMoreLess
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