Machinery Pattern Making Containing Full Size Profiles of Gear Teeth: And ...
Machinery Pattern Making Containing Full Size Profiles of Gear Teeth: And ...
P S Peter Spear Dingey
The book Machinery Pattern Making Containing Full Size Profiles of Gear Teeth: And ... was written by author P S Peter Spear Dingey Here you can read free online of Machinery Pattern Making Containing Full Size Profiles of Gear Teeth: And ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Machinery Pattern Making Containing Full Size Profiles of Gear Teeth: And ... a good or bad book?
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PATTERN MAKING. 33 they are such as the pattern maker will naturally run against ; so let us leave the pattern and start in on the core-boxes for the steam and exhaust passages, valve chambers, etc. It will scarcely be necessary to enter into the minor details of making the core-boxes, seeing that I have shown both cores and core-boxes for the steam and ex- haust sides of a cylinder. However, a few explanations may be necessary. Like the cylinder pattern, I have only shown half sections of core...s; Figs. 55, 56, 57, are three views of the core for steam passage and valve chambers. A half core-box is all that is needed to make this core, the joint of it being on line O ly ^ and the joint of core-box on line E P, Figs. 58, 59, and 60 are three views of the core for exhaust passage and valve chambers, also made with a half core-box. The core-box for the steam core is constructed as shown in Figs. 61 and 62. The port cores, e' f\m Fig. 57, are made separate, and pasted in; the core prints to receive these port cores are seen at e' f^ in Fig.
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