Collapsible Core Design & Assembly Guide - DME
Collapsible Core Design & Assembly Guide - DME
Collapsible Core Design & Assembly Guide - DME
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48<br />
5.225 4.425<br />
CENTER SCREWS ON MIDDLE<br />
OF LARGE SEGMENT<br />
<strong>DME</strong><br />
<strong>Collapsible</strong> <strong>Core</strong><br />
2.380<br />
MAX<br />
www.dme.net<br />
SET-UP FOR GRINDING<br />
REFER TO GRINDING INFORMATION<br />
USE SCREWS TO<br />
ALIGN CORE ON PIN<br />
1.625 ±.005<br />
INDICATE HERE FOR<br />
GRINDING .003 MAX T.I.R.<br />
NOTES:<br />
1. Center pin to project .045 minimum/.075 maximum above front face of <strong>Collapsible</strong> <strong>Core</strong> with .020 R minimum at corners. See suggested partial mold<br />
assembly view.<br />
2. Both ends of center pin to be cut off after grinding<br />
contour on <strong>Collapsible</strong> <strong>Core</strong> before assembly in mold.<br />
3. Minimum suggested I.D. of thread or undercut is 3.350-S to give minimum steel support between depth of undercut and center pin.<br />
4. The 1.625 ±.005 dimension must be held in mold assembly and core grinding.<br />
5. Consult Grinding Instructions.<br />
6. A 1 ⁄16 radius is essential on the inside corners of the stripper insert, especially where shut-off contacts <strong>Collapsible</strong> <strong>Core</strong>.<br />
7. Thread must never be run out of face of core, leaving a knife-edge of material. For complete instructions, refer to <strong>Design</strong> Procedures.<br />
8. Do not use center pin as a pilot into “A” half of mold.
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