Core Shift & Breakage

How and why cores break or shift.

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• Shift
• breakage
• break
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[860240]

Maybe you could ram a steel rod into the core right in the centre of the print to make it stronger.

[dzuari]

@860240 Shell cores are hollow, there would be no where for them hold to the rod. The fix to this is to bake the cores in the core machine for a longer duration so that the core will have a thicker(stronger) wall.

[860240]

@dzuari Thanks for the reply,I didn't know you were using hollow cores,glad to see foundies still working,not many left here in the UK.I do mostly patterns for glassfibre and carbonfibre parts now and some vacforming tooling.