Veneer

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Machining veneer

12/12/23       
Bob Hitchin

I'm making car dashboard and I'd like to kbow if it is best to veneer before machining or machine the dashboard prior to veneering ?

12/13/23       #2: Machining veneer ...
tom gardiner

It's hard to say. How complex is the dash - flat panel, simple curve, complex compound shape? Are you just drilling/routing for instruments and switches? Backed veneers or raw?
I would say it would be better to veneer first if you are confident in the adhesion. Trimming veneer from holes is slow and you might pull out a chip. Sanding will also be easier before all the holes are cut.

12/14/23       #3: Machining veneer ...
RichC

No idea what machining veneer means.

12/14/23       #4: Machining veneer ...
Bob Hitchin

Thanks for your reply Tom. It is a flat dashboard with loads of different holes for the instruments in it.. I have had difficulty in the past, machining through the veneer as it seems to raise the edges of the holes probably due to the heat from the router locally softening the glue. I have also varnished it, using exterior water based varnish prior to machining. I've used exterior wood glue. I have been recommended Gorilla glue. What's your opinion on this, do you think it suitable, if not what would you recommend.
Bob

12/15/23       #5: Machining veneer ...
tom gardiner

Epoxy would be my choice for this application. West system has a very good booklet on epoxy use.
Use down shear router bits. Freud makes a hinge mortising bit with a top bearing that is excellent for template routing shallow pockets and holes.
Car interiors can have extreme conditions - heat humidity and UV. Use the best finish possible. Probably marine varnish if you are not set up with a spray system.

12/22/23       #6: Machining veneer ...
Joseph Eultgen

Website: http://eultgenwoodwork.com

I've made several dashboards. Mostly for vintage jaguars. Burl walnut.
You don't specify the species if figure of the veneer. As 1 person commented, raw paper back or phenolic backed. All mine are raw veneer. If it's a figured veneer you want a rock solid glue line. Either epoxy or unibond 800.
What's your core? Don't forget to crossband if you are going on a ply core. Also very important veneer both sides for a balanced lay up. I personally prefer to cut all holes first and then veneer

2/7/24       #7: Machining veneer ...
David R Sochar  Member

Website: http://www.acornwoodworks. nzs5z967fd com

Stop using contact cement. It is not really glue.

2/14/24       #8: Machining veneer ...
Kevin Dunphy

Website: http://kdunphy.com

I did an MG dash a few years ago. I used a water-based glue but since then I would use west or a similar solvent-based 2-part system.
To finish has to be polished 2 k car clear works amazing I used Morgans, but the job was a money pit for time.
Did a video

https://www.youtube.com/watch?v=OrKlWt06aZE


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