Collapsible Core & Collapsible Minicore - Roehr Tool Corporation

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COLLAPSIBLE CORECC 602 P.C. Core Dimensions3°5° MIN DRAFTPER SIDE.030 FLAT MIN(NOTE 7)(CIRCULAR STEP DETAIL)15°.010STRIPPER INSERT.010R.020 MIN(NOTE 1).060 FLATR.06PARTIAL MOLDASSEMBLY DETAILP.C. SLEEVECOLLAPSIBLE CORECENTER PIN.030 MIN CLEARANCE REF.045 MIN.075 MAX(NOTE 3)2.1252.400.030 MIN CLEARANCE.250 MAX SHUT-OFF HEIGHTDO NOT USE TAPERED SHUT-OFF1.200MIN.25060° C’SINKBOTH ENDSFOR GRINDING2.125.50NOM±.00411.2507.157 NOM±.0051.750(NOTE 4)±.001.3741.25MINØ3.535MINSTK Ø2.175±.005Ø4.625NOMØ5.000NOM±.001Ø3.749Ø4.187+.000-.010+.000-.010Ø2.875±.001Ø2.437Ø.94COOLING HOLE.140 COLLAPSE MINAT FACECENTER PINCOLLAPSIBLE COREP.C. SLEEVE.188 NOMQuestions? Call Roehr Tool Corporation at 978-562-4488 or Toll Free at 877-563-1912.71
COLLAPSIBLE CORECC 602 P.C. Core Dimensions (cont.)CENTER SCREWS ONMIDDLE OF LARGESEGMENT2.38MAXSET-UP FOR GRINDINGREFER TO GRINDING INFORMATION 1.750(NOTE 4)±.005Ø4.75 Ø3.75USE SCREWS TOALIGN CORE ON PININDICATE HERE FORGRINDING .003 MAX T.I.R.NOTES:1. Center pin to project .045 minimum/.075 maximum above frontface of Collapsible Core with .020 R minimum at corners. Seesuggested partial mold assembly view.2. Both ends of center pin to be cut off after grindingcontour on Collapsible Core before assembly in mold.3. Minimum suggested I.D. of thread or undercut is 2.060-S to giveminimum steel support between depth of undercut and center pin.4. The 1.750 ±.005 dimension must be held in mold assembly andcore grinding.5. Consult Grinding Instructions.6. A 1/16 radius is essential on the inside corners of the stripperinsert, especially where shut-off contacts Collapsible Core.7. Thread must never be run out of face of core, leaving aknife-edge of material. For complete instructions, refer toDesign Procedures.8. Do not use center pin as a pilot into “A” half of mold.Questions? Call Roehr Tool Corporation at 978-562-4488 or Toll Free at 877-563-1912.72
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Collapsible Core & Collapsible Minicore - Roehr Tool Corporation

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