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Expandable Cavities (Ex-Cavs) mold undercuts such as threads, dimples, and protrusions.
The patented Ex-Cav design eliminates the engineering, maintenance, and machining required for side action mechanisms which results in smaller molds or higher mold cavitation.
Technical Information:
CATALOG NUMBER |
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 |
L Expansion Length |
S Body Diameter |
T Thread |
X Minimum Ejection Stroke (Prev. page) |
---|---|---|---|---|---|---|---|---|---|---|
EXCAV20 | 20mm .787in |
14mm .551in |
13mm .512in |
2.5mm .098in |
1.6mm .063in |
3mm .118in |
59mm 2.323in |
14mm .551in |
M8 | 15mm .591in |
EXCAV26 | 26mm 1.024in |
18mm .709in |
20mm .787in |
3.5mm .138in |
2.5mm .098in |
4mm .157in |
76mm 2.992in |
16mm .630in |
M10 | 15mm .591in |
EXCAV38 | 38mm 1.496in |
30mm 1.181in |
27mm 1.063in |
4mm .157in |
3mm .118in |
4mm .157in |
89mm 3.504in |
27mm 1.063in |
M18 | 20mm .787in |
EXCAV50 | 50mm 1.969in |
40mm 1.575in |
39mm 1.535in |
5.5mm .217in |
3.5mm .138in |
5mm .197in |
101mm 3.976in |
34mm 1.339in |
M24 | 20mm .787in |
Custom Ex-Cavs are available for molded parts up to and beyond 500mm.
Ex-Cav sizes outside of this chart are available as customs.