Modern Drilling Practice a Treatise On the Use of Various Type of Single And M
Modern Drilling Practice a Treatise On the Use of Various Type of Single And M
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In our eReader you can find the full English version of the book. Read Modern Drilling Practice a Treatise On the Use of Various Type of Single And M 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 Modern Drilling Practice a Treatise On the Use of Various Type of Single And M
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The chuck shown at A, in Fig. 5, is made by the Jacobs Mfg. Co. , and tightening of the jaws is accomplished in the following manner : A hand wrench carry- WacMnery Fig. 6. Another Chuck of the Geared Type ing pinion a is piloted to fit into bushings in the chuck body, and this pinion a meshes with gear teeth b cut in the bottom of a sleeve of which threaded ring c is an integral part. This threaded ring meshes with threads cut in the upper outside portion of each of the three chuck jaws d. Evi...dently, when the wrench is turned, pinion a turns sleeve b and threaded ring c, which is an integral part of the sleeve, thus either pushing down or lifting chuck jaws d according to the direction in which the wrench is turned. By having jaws d inclined to the axis of the drill, raising or lowering the jaws causes them to release their grip on the drill shank or to secure a firm grip.
122 MODERN DRILLING PRACTICE At B, Fig. 5, there is shown a chuck operating on the same general principle, which is made by the J.
What to read after Modern Drilling Practice a Treatise On the Use of Various Type of Single And M?
You can find similar books in the "Read Also" column, or choose other free books by Edward K Hammond to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The chuck shown at A, in Fig. 5, is made by the Jacobs Mfg. Co. , and tightening of the jaws is accomplished in the following manner : A hand wrench carry- WacMnery Fig. 6. Another Chuck of the Geared Type ing pinion a is piloted to fit into bushings in the chuck body, and this pinion a meshes with gear teeth b cut in the bottom of a sleeve of which threaded ring c is an integral part. This threaded ring meshes with threads cut in the upper outside portion of each of the three chuck jaws d. Evi...dently, when the wrench is turned, pinion a turns sleeve b and threaded ring c, which is an integral part of the sleeve, thus either pushing down or lifting chuck jaws d according to the direction in which the wrench is turned. By having jaws d inclined to the axis of the drill, raising or lowering the jaws causes them to release their grip on the drill shank or to secure a firm grip.
122 MODERN DRILLING PRACTICE At B, Fig. 5, there is shown a chuck operating on the same general principle, which is made by the J.
What to read after Modern Drilling Practice a Treatise On the Use of Various Type of Single And M?
You can find similar books in the "Read Also" column, or choose other free books by Edward K Hammond to read onlineMoreLess
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