Collapsible Core Design & Assembly Guide - DME

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30 CC 302 P.C. Core Dimensions Ø.590 MIN Ø2.63 Ø1.88 3° .068 MIN COLLAPSE AT FACE 5° MIN DRAFT PER SIDE .030 FLAT MIN (NOTE 7) R.008 MIN (NOTE 1) .030 FLAT 60° C’SINK BOTH ENDS FOR GRINDING Ø1.740 MIN Ø1.105 STK DME Collapsible Core .020 MIN .075 MAX .13 MIN 1.225 ±.005 CENTER PIN .31 NOM COLLAPSIBLE CORE CENTER SCREWS ON MIDDLE OF LARGE SEGMENT 1.225 1.400 R.03 (CIRCULAR STEP DETAIL) .030 CLEARANCE .030 CLEARANCE .150 MIN/.250 MAX SHUT-OFF HEIGHT DO NOT USE TAPERED SHUT-OFF 1.50 MAX Ø2.500 NOM P.C. SLEEVE www.dme.net 7.315 ±.003 4.820 NOM Ø2.677 NOM .188 NOM ±.001 Ø1.811 15° .010 PARTIAL MOLD ASSEMBLY DETAIL P.C. SLEEVE COLLAPSIBLE CORE CENTER PIN Ø2.000 1.875 (NOTE 4) .311±.001 +.000 -.010 SET-UP FOR GRINDING REFER TO GRINDING INFORMATION USE SCREWS TO ALIGN CORE ON PIN ±.005 ±.001 Ø1.186 Ø1.500 STRIPPER INSERT .010 +.000 -.010 .56 MIN ±.005 1.875 (NOTE 4) Ø.63 DIA COOLING HOL INDICATE HERE FOR GRINDING .003 MAX T.I.R. NOTES: 1. Center pin to project .020 minimum/.075 maximum above front face of Collapsible Core with .008 R minimum at corners. See suggested partial mold assembly view. 2. Both ends of center pin to be cut off after grinding contour on Collapsible Core before assembly in mold. 3. Minimum suggested I.D. of thread or undercut is 1.270-S to give minimum steel support between depth of undercut and center pin. 4. The 1.875 ±.005 dimension must be held in mold assembly and core grinding. 5. Consult Grinding Instructions. 6. A 1 ⁄32 radius is essential on the inside corners of the stripper insert, especially where shut-off contacts Collapsible Core. 7. Thread must never be run out of face of core, leaving a knife-edge of material. For complete instructions, refer to Design Procedures. 8. Do not use center pin as a pilot into “A” half of mold.
DME Collapsible Core CC 302 P.C. Mold Base Machining Dimensions CAVITY PLATE SUBTRACT INTERNAL DEPTH OF PART PLUS MATERIAL SHRINK FROM THIS DIMENSION TO DETERMINE ACTUAL STRIPPER STRIPPER INSERT MUST BE RETAINED SHUT-OFF DIMENSION AS NEEDED (CHECK LIST 7 & 13) STRIPPER PLATE 1.753 .557 MIN ±.007 Ø1.830 Ø2.53 +.003 -.000 Ø2.504 MOLDED PART 1.375 1.375 Ø2.53 .38 EJECTOR STROKE RELIEF 1.000 FOR GREASE .625 ±.003 ±.005 2.187 +.003 -.000 Ø2.504 .50 ±.003 7.315 CORE O.A.L. (CHECK LIST 11) Ø2.75 .50 .207 +.003 -.002 +.005 -.000 Ø2.005 +.001 -.000 Ø1.813 +.001 -.000 .312 C-4.000 GRIND EJECTOR PLATE, SUPPORT RING, & REST BUTTONS TO THIS DIMENSION 1.187±.001 (CHECK LIST 1) (CHECK LIST 2) CYLINDERS RECOMMENDED FOR AUTOMATIC MOLD OPERATION (CHECK LIST 5) PARTING LINE www.dme.net Ø1.25 +.001 -.000 Ø1.188 ±.005 1.875 1.187 ±.001 -.000 “O” RING GROOVE .875 .187 +.005 Ø1.505 GUIDED EJECTION 1.375 SECTION A-A A .187 NOM THIS PLATE THICKNESS MAY BE VARIED AS DESIRED SUPPORT RING TAP 1/2 N.P.T. C’BORE AS NEEDED ±.005 TO HOLD 1.875 PIN COOLING DETAIL BRASS WATERLINE BAFFLE 31
Page 1 and 2: DESIGN & ASSEMBLY GUIDE U.S. 800-62
Page 3 and 4: Table of conTenTs DME DESIGN & ASSE
Page 5 and 6: DME Collapsible Core Collapsible Co
Page 7 and 8: DME Collapsible Core Design Procedu
Page 9 and 10: Table of Dimensions Table 1-1 DME C
Page 11 and 12: DME Collapsible Core Design Check L
Page 13 and 14: DME Collapsible Core Grinding Instr
Page 15 and 16: Ø2.63 Ø1.88 CENTER SCREWS ON MIDD
Page 17 and 18: CC 150 P.C. Core Dimensions .037 MI
Page 19 and 20: Mold desiGn check lisT DME Collapsi
Page 21 and 22: MOLDED PART DME Collapsible Core (C
Page 23 and 24: DME Collapsible Core CC 200 P.C. Mo
Page 25 and 26: CC 250 P.C. Core Dimensions Ø.470
Page 31 and 32: CC 252 P.C. Core Dimensions 3 ° Ø
Page 33: Mold desiGn check lisT DME Collapsi
Page 39 and 40: Mold desiGn check lisT S MOLDED PAR
Page 47 and 48: DME Collapsible Core CC 602 PC Mold
Page 49 and 50: CC 652 P.C. Core Dimensions 1.520 M
Page 53 and 54: DME Collapsible Core CC 702 PC Mold
Page 55 and 56: Collapsible Core Ordering Guide Dra
Page 57 and 58: DME Collapsible Minicore cenTer pin
Page 59 and 60: Total Collapse DME Collapsible Mini
Page 61 and 62: DME Collapsible Minicore 11. Import
Page 63 and 64: DME Collapsible Minicore Center Pin
Page 65 and 66: Minicore Grinding Set-Up Informatio
Page 67 and 68: DME Collapsible Minicore CCM-0001 M
Page 69 and 70: CCM-0002 Minicore Dimensions DME Co
Page 71 and 72: DME Collapsible Minicore 9. Core mu
Page 73 and 74: DME Collapsible Minicore CCM-0003 M
Page 75 and 76: DME Collapsible Minicore Collapsibl

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