How I machined my Blum hinge holes today

Scorpion

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Thought I'd share how I decided to machine my doors since its not very common for a woodworker. 

I had planned on using the drill press (because that's how I usually do it) but had problems getting the table to stay level and support a surface big enough to support the doors.  The old Craftsman has had a rough life.  After fighting it for an hour I gave up and went over to the knee mill.  I chucked up the cutters in ER16 collets.  Right to left- 1/4-inch up cutting end mill, 8mm brad point boring bit, and 35mm cylinder boring bit.

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I had a 6-foot long counter top I messed up a few months ago and cut a section off and, as luck would have it, it fit perfectly in the vises on the mill and easily locates itself. 

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Since the table is so big it would be impossible to switch tools during the process so I decided to machine a hole in the middle.  In the pic you can see the shop vac dust collector originally used for aluminum but works perfectly for wood and collects nearly all of the chips.

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Then I realized that when I cut the hinges in an assembled door, I could possibly use the tool change hole so I cut notches on either end.  Here's the finished top.

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Made a few test cuts to get the offset right. 

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Mocked up a frame to make sure it's located where it should be allowing adjustment in all directions.  Actually needed to move the cup toward the edge a little to accomplish this...and that's why I always make a test piece even when having CNC.

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And rolled into the doors. 

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Cutting the cup, switching tools, and then cutting the holes for the screws feels like a slow process but it works very well so I can live with it. 
 
That seems crazy labor intensive. I've had the pleasure of using a the air powered baron. It's the opposite of labor intensive. You can do a whole kitchen in a few minutes.
 
I have been using my Blum Ecodrill and my PDC. Works great and is quick enough for the 20 doors I need to finish building.

Cheers. Bryan.
 
    A bit slow maybe, but it is doing the job accurately. Plus you were able to find a way to keep on working uninterrupted by waiting for  a new tool to arrive.

    I see the PVC narrow strip storage in the background , I have a similar set up for long narrow pieces.

Seth
 
bkharman said:
I have been using my Blum Ecodrill and my PDC. Works great and is quick enough for the 20 doors I need to finish building.

Cheers. Bryan.

I had planned on buying an EcoDrill but then chickened out when I realized I could use the $20k CNC knee mill with tooling I already had - so at no cost other than time.  Even though I have a couple dozen doors to build it seemed like saving a little setup time didn't justify the $300 I would be spending...and like Seth said, I didn't have to wait for a tool to arrive. 

For 20 doors the EcoDrill would be $15 per door and it's paid for so I get it, I just couldn't justify the expense given how much I've already dropped on Festool for this project.
 
SRSemenza said:
    A bit slow maybe, but it is doing the job accurately. Plus you were able to find a way to keep on working uninterrupted by waiting for  a new tool to arrive.

    I see the PVC narrow strip storage in the background , I have a similar set up for long narrow pieces.

Seth

It isn't obvious in my writeup but if the hinges are less than 22 inches apart, I can do the pair at the same time with only one tool change.  In that case it's faster than the Blum EcoDrill and certainly more accurate.  Nothing to reposition.

The PVC pipe is awesome for longer material that's too long to fit in a drawer.  I can't remember where I got the idea but it has been a good one.
 
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