Ore Dressing 1
Ore Dressing 1
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In our eReader you can find the full English version of the book. Read Ore Dressing 1 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 Ore Dressing 1
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Cams are keyed to the shaft by one or two keys. When two keys are used, they are 120° apart, furnishing three lines of bearing, while one key gives only two lines of bearing. The former gives the greater stability, but the latter is almost universally used in this country. The key should always be driven toward the stamp stem. Hardman finds that by using a key 6 inches long, If inches wide and i inch thick, with a taper in its whole length of slightly less than J inch, the cams never get loose ...and it answers much more satisfactorily than when the taper is greater and the key smaller.
It is customary to have one long key seat in the shaft for each of the two batteries (see Fig. 133), and to cut key seats in the cams so as to give equal in- tervals of time between the drops. It follows that where two-armed cams are used, the key seats will be advanced 36** on the hubs of consecutive cams for a five-stamp battery, or 18° for ten stamps. In the latter case the even numbers will be in one battery and the odd in the other (see § 196).
What to read after Ore Dressing 1?
You can find similar books in the "Read Also" column, or choose other free books by Robert H Robert Hallowell Richards to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Cams are keyed to the shaft by one or two keys. When two keys are used, they are 120° apart, furnishing three lines of bearing, while one key gives only two lines of bearing. The former gives the greater stability, but the latter is almost universally used in this country. The key should always be driven toward the stamp stem. Hardman finds that by using a key 6 inches long, If inches wide and i inch thick, with a taper in its whole length of slightly less than J inch, the cams never get loose ...and it answers much more satisfactorily than when the taper is greater and the key smaller.
It is customary to have one long key seat in the shaft for each of the two batteries (see Fig. 133), and to cut key seats in the cams so as to give equal in- tervals of time between the drops. It follows that where two-armed cams are used, the key seats will be advanced 36** on the hubs of consecutive cams for a five-stamp battery, or 18° for ten stamps. In the latter case the even numbers will be in one battery and the odd in the other (see § 196).
What to read after Ore Dressing 1?
You can find similar books in the "Read Also" column, or choose other free books by Robert H Robert Hallowell Richards to read onlineMoreLess
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