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-   -   Kerfing chipboard (http://www.diyaudio.com/forums/construction-tips/217558-kerfing-chipboard.html)

Moondog55 8th August 2012 09:45 AM

Kerfing chipboard
 
I know how to kerf ( even if I haven't actually done it yet) but I have never seen chipboard kerfed before, only thicker MDF. Is it possible to do with success or is this technique limited to MDF and good quality plywood.
I would like to finish the front of SWMBOs new bedroom speakers with a curved surface on the corners.
Top and bottom I'll make a template and use the router as suggested in the design thread.

chrisb 9th August 2012 04:11 PM

Quote:

Originally Posted by Moondog55 (Post 3118833)
I know how to kerf ( even if I haven't actually done it yet) but I have never seen chipboard kerfed before, only thicker MDF. Is it possible to do with success or is this technique limited to MDF and good quality plywood.
I would like to finish the front of SWMBOs new bedroom speakers with a curved surface on the corners.
Top and bottom I'll make a template and use the router as suggested in the design thread.


the commercial kerfed sheet goods using PB as core will generally have the smooth face laminated with a thick paper, single ply of veneer( TimberCore), or even a HP P-lam ( Formica, Arborite, choose your favorite brand - but any will cost more than the core)

without such a sturdy face kerfed PB will likely disintegrate easily (possibly even before it's off the table saw), and even with it, the material needs reinforcement for structural integrity

http://www.kerfkore.com/NEW%20BROCHURES/kerfkore.pdf

Moondog55 9th August 2012 09:36 PM

That would explain why I have never seen it before then.
OK
Rather than use MDF here I will redesign for a flat front until I can get a workshop and experiment.
Thanx

chrisb 9th August 2012 09:48 PM

Quote:

Originally Posted by Moondog55 (Post 3120920)
That would explain why I have never seen it before then.
OK
Rather than use MDF here I will redesign for a flat front until I can get a workshop and experiment.
Thanx


there's always "Rubber Ply / wackywood " or any number of generic / trade names for making curves - but no matter what material / fabrication technique employed, CCM - curves cost money, and some type of support frame is required, even if temporary when cold pressing or vacuum bagging .


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