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Boring p-lam

5/23/18       
Jim Member

I have a job in which I have to bore 5mm shelf holes in russian birch that has been covered in post form thickness laminate.
I can do it on my 7 spindle pneumatic Blum machine but I can tell it's struggling. The laminate is the problem I think.
Are there better 5mm bits that will fit in my machine, maybe something with a pointed end instead of the ones I have.

5/28/18       #2: Boring p-lam ...
Alberto Ferreira

Use v-point drilling bits, that will help.

5/28/18       #3: Boring p-lam ...
Larry

The bits are called Thru bore. All the usual suspects carry them. Available in two lengths 58 & 70mm, left or right rotation. I'll assume you are line bore drilling for shelf supports. If you are drilling all the way through the thru bore bits are designed for that and will not tear out the back side. The point taper on the Vortex bits I've got is 6mm. Just take that into account, but I doubt it will be a problem.
The dowel bits that you are likely using will sometimes cut a disc of laminate free and then it will spin and prevent the bit from drilling or take a lot of force to over come.

6/1/18       #4: Boring p-lam ...
Kevin Member

Website: http://BayerleinEnterprise.com

You need to replace your bits with "tapered" brad points instead of standard brad points, this will prevent discing, we use tapered brad points on every CNC router in our shop without issues regardless of media being machined.

Kevin


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