Page 23 - Die Casting Die Assemblies

Die Cast
23
Constant Area Sprue Spreaders and Sprue Bushings

(Medium Size)

Exclusively for Zinc Die Casting

(Not for use with aluminum, magnesium, brass, lead or other non-zinc materials)

Sprue Spreaders (Medium) 2
SPRUE SPREADERS (MEDIUM) CROSS SECTIONAL AREA = .450 in .
1.375 2.163 1.375 2.643

.2500 .2500 “X”
DIA (4) DIA (4)

5/16-18 x .75 (2)
.0005 .0005
1.8740 1.8740
DIA DIA
.625 R
PARTING PARTING
1/8-27 .100 LINE 1/8-27 .100 LINE 45º
N.P.T. (3)
N.P.T. (3) TYP. “X”
.81 .81
SPRUE BUSHINGS (SMALL) 3.03
2.55
SECTION “X-X” SHORT STYLE SECTION “X-X” LONG STYLE VIEW “X-X”
NOTES:
1 . Both short and long style runner spreaders
may be used with baffle type or cascade
type cooling .
2 . To maintain constant area for metal flow, SPRUE SPREADERS (MEDIUM)
always use short style spreaders with ITEM NUMBER STYLE REPLACES
short style bushings and long style
spreaders with long style bushings . DC-50 Short DC-55, DC-58
3 . Inlet diameter of the sprue bushing DC-60 Long DC-65, DC-68
should be equal to or smaller than the
outlet diameter of the gooseneck . Die Cast | Constant Area Sprue Spreaders and Sprue Bushings (Medium Size)
4 . Sprue Spreaders are premachined for
ejector pins .

Sprue Bushings (Medium)
SPRUE BUSHINGS (MEDIUM)
2.500 3.125

.88 1.00 1/4-18 N.P.T. (2) “X”

.000 .000
.002 5º 2.373 .002 5º 2.373
1.750 .718 DIA DIA 1.750 .687 DIA DIA
DIA R DIA R

1.750 2.375 “X”
SECTION “X-X” SHORT STYLE SECTION “X-X” LONG STYLE VIEW “X-X”

SPRUE BUSHINGS (MEDIUM - SHORT STYLE) SPRUE BUSHINGS (MEDIUM - LONG STYLE)
ITEM NUMBER R REPLACES ITEM NUMBER R REPLACES
DC-51 .750 DC-21 DC-64 .750 DC-24
DC-52 1 .000 DC-22 DC-66 1 .000 DC-26
DC-57 1 .515 DC-27 DC-69 1 .515 DC-29

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