MOLD COMPONENTS – INCH Support Pillars and Stop Pins Support Pillars S.A.E. 1040 Steel Pillar height (C dimension) is finished flat and parallel. Support pillars should be used liberally since they greatly increase the capacity of the mold to support the projected area of the cavities, runner and sprue. By providing additional support, they prevent deflection of the mold. The absolute necessity of using support pillars is demonstrated by using standard strength of materials formulas. For example, an 11 7 ⁄ 8 x 15" mold base without support pillars and with a maximum permissible load on the support plate, will permit 14 square inches of cavity area without deflecting enough to cause flash. The use of one row of support pillars on center will quadruple this permissible cavity area to 56 square inches. Two rows will give nine times the area or 126 square inches. Please refer to the drawings below.
Material: S.A.E. 1040 Steel
Ø D
C
SOCKET
THREADED LOCATING PIN APPLICATION
3/8 DIA x 1" LG THREADED LOCATING PIN ITEM NO. TLP-38 3/8-16 TAPPED HOLE CAP SCREW APPLICATION Cap Screw Application
J – SOCKET SET SCREW
G – S.H.C.S
One row of suppo increases the per cavity area 4 LOAD
F – TAPPED HOLE
No support pillars
F – TAPPED HOLE
LOAD
Ø D
Ø D
Ø D
C
C
3/8
5/8
E
E SOCKET SET SCREW APPLICATION
H
THREADED LOCATING PIN APPLICATION
CAP SCREW APPLICATION
C
C
C
One row of support pillars increases the permissible cavity area 4 times LOAD
Two rows of suppo increase the perm cavity area 9 t LOAD
Threaded Locating Pin Application No support pillars
3/8 DIA x 1" LG THREADED LOCATING PIN ITEM NO. TLP-38 3/8-16 TAPPED HOLE
J – SOCKET SET SCREW
LOAD
OLE
F – TAPPED HOLE
C
C
C
Ø D
Ø D
SOCKET SET SCREW APPLICATION
THREADED LOCATING PIN APPLICATION
PPLICATION
Socket Set Screw Application
H One row of support pillars increases the permissible cavity area 4 times LOAD
Two rows of support pillars increase the permissible cavity area 9 times LOAD
3/8
5/8
E
No support pillars
C
C
LOAD
Only for 1-2½" diameters
C
J – SOCKET SET SCREW
C
C
NG PIN
D HOLE
F – TAPPED HOLE
Material: S.A.E. 1040 Steel
Ø D
H (APPROX)
J SOCKET SET SCREW ITEM NO. SSS38114 ITEM NO. SSS582
Ø D
E
F
1", 1 1 ⁄
4 , 1
1 ⁄
2 , 2", 2½
5 ⁄
3 ⁄ 5 ⁄
8 – 16 8 – 11
1 ⁄ 3 ⁄
8
2
1 1 ⁄
3", 4"
E
H
4
8
NOTES: Order S.H.C.S. separately.
C
Please reference page 364 for Socket Head Cap Screw information.
340
U.S. 800-626-6653 ■ Canada 800-387-6600 ■ dme.net ■ store.dme.net
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