LumberJocks

Carving Sharpener Version 2

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Project by mpounders posted 12-27-2011 11:32 PM 6310 views 31 times favorited 21 comments Add to Favorites Watch

One of my Christmas presents contained the hubs and pulleys to rebuild my power honer. This is based on the Burke sharpener that is available commercially. It is 15” wide (24” at the top), 11” deep, and 19” at the top of the wheels. I used a 1/2 HP 1725 rpm motor that is reduced to about 300rpm with 6” pulley. The discs are 8” x 1” and two are covered in sandpaper with 120 and 220 grit. The other wheel is covered in leather and used with honing compound and a 6 inch spiral-sewn buffing wheel completes the outfit. I was very pleased with how smoothly the wheels run after truing them up on my disk sander. The sandpaper is a little aggressive at the moment, but should be fine after it wears a bit. Once I have the profile and edge like I want it, I polish the ouside to a mirror finish and remove the wire edge on the inside with the buffing wheel.

-- Mike P., Arkansas, http://mikepounders.weebly.com





21 comments so far

View MShort's profile

MShort

1763 posts in 2749 days


#1 posted 12-27-2011 11:36 PM

Sweet. Nice setup.

-- Mike, Missouri --- “A positive life can not happen with a negative mind.” ---

View Rustic's profile

Rustic

3219 posts in 2927 days


#2 posted 12-27-2011 11:38 PM

sweet

-- www.carvingandturningsbyrick.com, Rick Kruse, Grand Rapids, MI

View mafe's profile

mafe

10935 posts in 2420 days


#3 posted 12-28-2011 12:09 AM

really cool, clever and simple.
Best thoughts,
Mads

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View xwingace's profile

xwingace

205 posts in 1919 days


#4 posted 12-28-2011 12:43 AM

Nice—might have to make one!

-- I'm not as good as I once was, but I'm as good once as I ever was.

View Brett's profile

Brett

926 posts in 2090 days


#5 posted 12-28-2011 12:47 AM

It looks like it gets them real sharp like. You must have got your thumb, looking at the last pic! ;)

-- Hand Crafted by Brett Peterson John 3:16 http://www.TheCrookedNail.blogspot.com

View a1Jim's profile

a1Jim

114977 posts in 2908 days


#6 posted 12-28-2011 12:58 AM

Nice Mike,none of those high dollar sharpening systems for you. I bet this works just as well as the those expensive models.

-- http://artisticwoodstudio.com Custom furniture

View mpounders's profile

mpounders

816 posts in 2226 days


#7 posted 12-28-2011 01:23 AM

No bandaid….wearing my thumbguard even when I test my tools on scrap wood! It does work great, but for me, this is an expensive model! Wouldn’t have been too bad, but I sprung for a better motor!

-- Mike P., Arkansas, http://mikepounders.weebly.com

View Dusty56's profile

Dusty56

11798 posts in 3019 days


#8 posted 12-28-2011 03:59 AM

Very nice set up : )

-- I'm absolutely positive that I couldn't be more uncertain!

View Bearpie's profile

Bearpie

2601 posts in 2349 days


#9 posted 12-28-2011 04:36 AM

Sweet job but I think you would have done better to make the wheels at least 1 1/2” wide. Much easier to sharpen on a wider surface! (Not too late!)

-- Erwin, Jacksonville, FL

View kizerpea's profile

kizerpea

772 posts in 1698 days


#10 posted 12-28-2011 06:10 AM

fine job…nothing like homemade tools.

-- IF YOUR NOT MAKING DUST...YOU ARE COLLECTING IT! SOUTH CAROLINA.

View rance's profile

rance

4236 posts in 2491 days


#11 posted 12-28-2011 06:12 AM

Nice job. These power honers seem to be the ticket to easy honing. I’d like to try one some time.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View Chris's profile

Chris

331 posts in 3417 days


#12 posted 12-28-2011 08:52 AM

I’m jealous. I need one of those units there. Great design – i really like it. I wonder if one could go with a smaller motor as far as torque necessities are concerned? I suppose with the shaft supported inside those bearing housings and no more than it weighs this is not a big issue.

What is the formula for determing rpms at an individual pulley when working with the pulley size on the motor shaft?

thanks, Chris

-- Chris Harrell - custom callmaker "Quacky Calls" Eastern NC. http://www.quackycalls.com

View flintbone's profile

flintbone

192 posts in 2487 days


#13 posted 12-28-2011 12:39 PM

Nice work Mike. Where did you get the bearings ?

flint

-- If I had only known, I would have been a locksmith. - Albert Einstein

View mpounders's profile

mpounders

816 posts in 2226 days


#14 posted 12-28-2011 04:32 PM

My older honer had a wider wheel, so I may make it wider. I chose 1” wide because I could get the abrasive belts in that size and most of my tools are smaller than an inch wide. I used bronze bearings that I already had, but you can get them or ball bearings and all the hardware needed at Old Texas Woodcarvers. I have bought a lot of stuff from these guys. I have used a smaller motor before and 1/2hp is probably a little over-kill. I calculate rpms from the size ratio of the pulleys. The drive pulley on the motor shaft is always going to turn the same speed as the motor, 1725 rpms. I use a 1” pulley on the motor, so a 1” pulley on the main shaft would also turn at 1725. If I make that pulley 2”, the drive wheel has to make 2 revolutions to turn the new pulley one time, effectively reducing the speed in half. I used a 6” pulley on the main shaft, so dividing 1725 by 6, gives a speed of approximately 285 rpms. Close enough for my purposes, since my main goal is simply to get it to turn slower rather reaching a specific number.

-- Mike P., Arkansas, http://mikepounders.weebly.com

View Kent Shepherd's profile

Kent Shepherd

2704 posts in 2617 days


#15 posted 12-28-2011 10:02 PM

You have given me some good ideas. I need to dig through my extra parts pile and see what I can come up with

Thanks

-- She thought I hung the moon--now she just thinks I did it wrong

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