STANDARD EXPANDABLE CAVITY SYSTEMS EX-CAV System & Mounting Kits
EX-CAV System
±.025
250
Length can be modified to suit application.
±.025
C
250
125
Length can be modified to suit application.
T
C
125
±.015
T
D
±.015
D
Patent Pending
S g6
Patent Pending
S g6
10° (conical)
10° (conical)
D EX-CAV DIAMETER
A MAXIMUM PART DIAMETER -10° PER SIDE
B MAXIMUM MOLDING LENGTH
C MINIMUM PART INNER DIAMETER
E EXPANSION PER SIDE
F MIN. WALL THICKNESS
S BODY DIAMETER
T THREAD
X MINIMUM EJECTION STROKE (NEXT PAGE)
E Expansion per side
E Expansion per side
ITEM NUMBER
C
EXCAV20 20 EXCAV26 26 EXCAV38 38 EXCAV50 50
14 18 30 40
13 20 27 39
2.5 3.5 4.0 5.5
1.6 2.5 3.0 3.5
3 4 4 5
14 16 27 34
M8
15 15 20 20
C
B
M10 M18 M24
B
A
A
All dimensions and tolerances in millimeters. Mounting kits sold separately (see below). Expandable Cavity sizes not shown on this table are available by special order.
Mounting Kits Hollow Bolt Mounting Kit Includes: • Key (7 Thk. × 8 × 40) • Hollow Bolt •
Pin Bolt Mounting Kit Includes: • Key (7 Thk. × 8 × 40) • Threaded Bolt/Pin (H-13, 40-44 HRC, 280mm long) • Spacer
Standard DIN H-13 Ejector Pin (400mm long)
•
Spacer
D
D
Modified to suit
Modified to suit
F
D
D
Modified to suit D2 D2
Modified to suit D2
.05 Min Clearance
B
D2 +.025 +.050
Key
Key
Key
Key
+.025 +.050
+.025 +.050
+.025 +.050
Spacer
Spacer
Spacer
Spacer
T
T
T
T
D NOMINAL PIN DIAMETER
D PIN DIAMETER
T BOLT SIZE
T BOLT THREAD
S SPACER SIZE (ID × OD × THK)
S SPACER SIZE (ID × OD × THK)
ITEM NUMBER EXCAV20 EXCAV26 EXCAV38 EXCAV50
ITEM NUMBER EXCAV20 EXCAV26 EXCAV38 EXCAV50
D2
HOLLOW BOLT KIT NUMBER
D2
PIN BOLT KIT NUMBER
3.5
M8-1.25 × 40 8 × 22 × 4 14 EXC20BH M10-1.5 × 40 10 × 23 × 4 16 EXC26BH M18-2.5 × 50 19 × 33 × 6 27 EXC38BH M24-3 × 55 25 × 42 × 6 34 EXC50BH
6.0 7.7
M8-1.25 8 × 22 × 4 14 EXC20BP M10-1.5 10 × 23 × 4 16 EXC26BP M18-2.5 19 × 33 × 6 27 EXC38BP M24-3 25 × 42 × 6 34 EXC50BP
4
10 14
14.5 19.8
126
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