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Making my Magnetic Knife Bars


Ben S
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I am in the process of making magnetic knife bars for my collection.  @John Setzler Inspired this project, thank you sir.  

 

For my birthday the wife took the kids and gave me time to clean my workshop and play down here.  I picked up a 24 inch piece of maple from HD and has some mahogany from another project.  

 

First I used forstner bits to remove material before routing. The waste from the forstner bits is larger pieces and does not coat the shop with a fine coat of dust.  

 

Then I used a 3/4 inch router bit to finish off the magnetic track.  I have also added the wall hanging hardware.  

 

Now I must clean up from the dust collection bag breaking(shop vac), sand the wood, and mount the magnets with epoxy.  Hopefully tomorrow I will wipe the wood down with mineral oil and hang them.  

 

Wife prefers the mahogany over the maple.  

 

If I was doing this more often I would build jigs and use the router for everything.  While these will look great hanging on the wall, I and only I know the backs look hacked.  

 

Hardware links to to be provided later. 

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@Mewantkj really good start. 

 

So how thick is the material left behind?  On mine it was 3/32" wood covered with 3/32" felt. I used rectangular rare Earth magnets (neodym?) that were 1/2" W x 2" L.  They were rated at 16 lbs force and when 2 accidentally snapped together it was really, really hard to get them back apart. I was planning one long row with them end to end. It held the knives but not good enough for my liking. I ended up using two rows about 2" apart. 

 

Not sure if you have the magnets yet but it definitely takes a good amount of magnetic force to hold the knives. 

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16 minutes ago, ckreef said:

@Mewantkj really good start. 

 

So how thick is the material left behind?  On mine it was 3/32" wood covered with 3/32" felt. I used rectangular rare Earth magnets (neodym?) that were 1/2" W x 2" L.  They were rated at 16 lbs force and when 2 accidentally snapped together it was really, really hard to get them back apart. I was planning one long row with them end to end. It held the knives but not good enough for my liking. I ended up using two rows about 2" apart. 

 

Not sure if you have the magnets yet but it definitely takes a good amount of magnetic force to hold the knives. 

his last pic shows the magnets hanging.

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8 minutes ago, ckreef said:

That's funny - I thought it was some strange something. 

 

@Mewantkj did you hold a couple under there with your fingers to see what happens? 

 

I looked at various online instructions and saw what the pull force of the magnets were.  These are 1/2 x 1/8 in discs with a pull force of about 6-8 lbs. I plan on running a line of them along the grove alternating the polarity.

 

I have about 1/16-1/8 inch of wood between the magnets and the knife.  I have laid the magnets in with my heaviest knife on the other side, they hold it up no problem.  

 

I am out out at Home Depot now getting more sandpaper to finish this off. 

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Parts

Keyhole hanger

http://www.woodworkingparts.com/keyhole-hanger/

 

Magnets 

http://www.magnet4less.com/product_info.php?products_id=119

 

I strongly advise ordering extra magnets, I had several magnets snap to double. I would also advice using epoxy with a longer work time. I used 5 minute epoxy, while I was rushing to get the magnets in, longer working time would have been nice. 

 

My last debate is the peice maple... do I order magnets for it and finish it off? Wife doesn't want it in the kitchen. It could make for good overflow knife storage (first world problems). 

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17 minutes ago, Mewantkj said:

 

 

I strongly advise ordering extra magnets, I had several magnets snap to double. I would also advice using epoxy with a longer work time. I used 5 minute epoxy, while I was rushing to get the magnets in, longer working time would have been nice. 

 

 

Got a good laugh out of that first sentence. A couple of mine snapped together. Took quite  a few cuss words to get them apart. Was only able to because of their rectangular shape and it wasn't easy. 

 

I ended up using 30 minute epoxy. 

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1 minute ago, ckreef said:

 

Got a good laugh out of that first sentence. A couple of mine snapped together. Took quite  a few cuss words to get them apart. Was only able to because of their rectangular shape and it wasn't easy. 

 

I ended up using 30 minute epoxy. 

 

5 minute epoxy, gloves, and screwdriver... I only have 4-5 doubles on both bars.  All the magnets shipped cost about $25. 

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19 minutes ago, ckreef said:

Looks really good but I think you could squeeze a couple of more in B)

 

I pulled everything out of the drawer except for the cleaver.  I will fix that and add the cleaver.  

 

I have ave my heart set on a gyuto or similar all purpose knife with a Japanese wa handle. I really like the balance point of these knives without the full tang combined with the light handle. 

 

My next project might be to rehandle my cheap Japanese knives with a homemade octagonal handle. 

 

IMG_2455.JPG

 

Better? 

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