Machine Shop Work; A Comprehensive Manual of Approved Shop Methods, Including the Construction and Use of Tools and Machines, the Details of Their Efficient Operation, and a Discussion of Modern Production Methods
Machine Shop Work; A Comprehensive Manual of Approved Shop Methods, Including the Construction and Use of Tools and Machines, the Details of Their Efficient Operation, and a Discussion of Modern Production Methods
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 Excerpt: ... this, divide the perpendicular of this triangle by its base, and obtain the value of the angle from a table of tangents. Spirals. The cutting of spirals requires another operation which differs from ordinary work. In addition to the angular setting, the Fig. 240. G raphical Method of Determining Angle for Cutting ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 Excerpt: ... this, divide the perpendicular of this triangle by its base, and obtain the value of the angle from a table of tangents. Spirals. The cutting of spirals requires another operation which differs from ordinary work. In addition to the angular setting, the Fig. 240. G raphical Method of Determining Angle for Cutting Spirals work must be rotated in order to produce the spiral, as well as fed forward to the cutter. This rotation of the work must be positive, which means geared; and one rotation of the work will, of course, equal the lead of the spiral, which is usually expressed as one turn in n inches. After cutting one spiral groove, the work is turned and indexed the same as in plain milling. Cams. Both open and closed cams can be readily cut on a plain milling machine by the use of the cam-cutting attachment, Fig. 241, which nearly all makers are able to furnish. The outline of the cam is first laid out and worked down by hand on a plain disc, or male leader, as it is termed. This leader and a suitable blank are mounted, with their outlines coinciding, on the spindle of the cam-cutting attachment. A cam roll of the size to be used is mounted on a stationary roll stud; and an end mill of the same diameter, or enough larger for clearance, is mounted in the milling machine spindle directly opposite the cam roll. The spindle of the cam-cutting attachment is mounted on a carriage, which, by means of a weight over a pulley at the end of the milling machine table, is always kept with the leader in contact with the cam roll. A worm and worm gear are used for rotating the attachment, and thus the spindle approaches or recedes from the cam roll according to the shape of the leader. When cutting closed cams, it is sometimes desirable to use the handmade male leader as...
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
Add this copy of Machine Shop Work to cart. $40.36, new condition, Sold by Paperbackshop International rated 1.0 out of 5 stars, ships from Fairford, GLOS, UNITED KINGDOM, published 2022 by LEGARE STREET PR.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
Add this copy of Machine Shop Work: A Comprehensive Manual of Approved to cart. $30.42, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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