Forfatter: A.-M.Inst.C E., George Frederick Zimmer
År: 1916
Forlag: Crosby Lockwood and Son
Sted: London
Sider: 752
UDK: 621.87 Zim, 621.86 Zim
Being a Treatise on the Handling and Storing of Material such as Grain, Coal, Ore, Timber, Etc., by Automatic or Semi-Automatic Machinery, together with the Various Accessories used in the Manipulation of such Plant
CASTING MACHINES
into a pair of bearings on the rims of the circular table,
circular girder is fitted with toothed s
purpose of revolving the whole ap-
paratus. The toothed segments, I
which gear with the driving wheels
are shown in a, Fig. 232.
Figs. 234 and 235 show the
machine in plan and ele-
The plan also shows the
coupled to three shafts,
ends of which small spur
are keyed which cause the
casting
vation.
engine
to the
pinions
table to revolve in the direction of
the arrow.
The filling device is shown in
Fig. 232. The metal is poured
first from a ladle into a chute a, by
which it reaches the revolving fill-
ing drum B. The latter is driven
by spur wheels, and the other side
opposite to the drive is supported
by three rollers fixed to the bracket
c. Both a and b are lined inside
with fireclay. The drum B has six
radial apertures, and is caused to
revolve at exactly the same cir-
cumferential velocity as the moulds,
so that the six exits are, so to speak,
..................... The inner periphery of the
segments, which form a complete circle for the
Fig. 230. Arrangement of Discharging End of “ Heyl
and Patterson ” Machine.
Fig. 231. Drying Furnaces for Moulds in “ Heyl and Patterson ’ Casting Machine.