Machine Forging by Douglas Thomas Hamilton

Author:Douglas Thomas Hamilton
Language: eng
Format: epub
Publisher: Industrial press
Published: 1921-03-25T05:00:00+00:00

Ic

r I

6TATI(^N/i|ry ORIPPINQ DIES I I

r"

I

I

h—1

r— I

I

la

j:

V

^

IE

PLAN VIEW

1*1 «>

k—3^-^

r—

^-..

^1 GRIP

B U A

STEPS IN FORMATION OF CASTELLATED NUT

SIDE ELEVATION LOOKING INTO MOVING DIES

MdoMnery

Fig. 6. Details of the Diet and Tools used for making the Castellated Nut

shown In Fig. 4.

impression, and the machine again operated; whereupon the top plunger advances, completing the hole in the nut and attaching the metal thus removed to the end of the bar. These two operations are indicated at A and B in the illustration. This interesting method of making castellated nuts is used in the CoUinwood shops of the L. S. & M. S. Railway. The only material wasted in the production of a castellated nut of this character is the slight excess of stock formed into a fin, which must be removed, of course, in a subsequent operation.

GENERAL FOfiGING OPERATIONS

Another interesting example of castellated nut forging in which the excess metal is used in the formation of a waaher on the nut and thus eliminates all waste of material, is shown in Fig. 6. The construction of the tools here illustrated is almost identical with

Download

Copyright Disclaimer:
This site does not store any files on its server. We only index and link to content provided by other sites. Please contact the content providers to delete copyright contents if any and email us, we'll remove relevant links or contents immediately.