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my replacement sharpening wheel

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Forum topic by BlasterStumps posted 04-19-2019 03:20 AM 363 views 1 time favorited 8 replies Add to Favorites Watch
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BlasterStumps

1288 posts in 797 days


04-19-2019 03:20 AM

I put together a different sharpening wheel. My old one was too large and too heavy to move around. It also had a 1/2 hp motor. I found a $5, 1725 rpm, 1/4 hp Dayton motor so I figured now was the time to build a new wheel. I used a sanding disc from an old Craftsman belt/disc sander. The thing is nothing special, just a box with the motor mounted vertical so the disc is level with the top. I have found in using the old one I made some time ago that I mostly only used one disc with 120grit paper on it and a leather strop wheel. So I have a self-adhesive disc on the wheel and I drilled and tapped the motor shaft so I can set the strop wheel on top of it when needed.

I tried it out on a 2” socket chisel that someone had cut a few nails with. The chisel was made from some good steel so it took a few minutes to grind a new edge. Overall, I am liking the new wheel a lot.

Once I get a chisel ready for final shapening like I did the 2”, I then go to the diamond stone, wet stone and strop.

Anyway, here is what I put together. Sorry about the bright orange. I didn’t do it : )

-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado


8 replies so far

View wallkicker's profile

wallkicker

117 posts in 3512 days


#1 posted 04-19-2019 11:42 AM

Good idea !

View Jamie_Sharp's profile

Jamie_Sharp

2 posts in 28 days


#2 posted 04-21-2019 05:30 AM

Very cool how is it with only a 1/4 horse electric motor, is it enough torque? Good choice with the 1800rpm.

View Carlos510's profile

Carlos510

249 posts in 729 days


#3 posted 04-21-2019 11:11 AM

This is not a new idea, the first one I have seen was way back in a 1941 PM magazine, D. Gingery improved a bit on the concept in 1981. Here’s the link to these plans,

https://hobbyworkshopprojects.blogspot.com/2018/12/old-becomes-new-again.html

Yours is also a nice example of this idea. If you follow D. Gingery’s idea and bring the table further out around the disk it will give you better support and control for hand work and it will be easier to mount jigs on the table that will allow you to perform precisely controlled sharpening.

-- "If time is money, then I need a loan" , http://www.hobbyworkshopprojects.blogspot.com/

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BlasterStumps

1288 posts in 797 days


#4 posted 04-21-2019 12:46 PM



Very cool how is it with only a 1/4 horse electric motor, is it enough torque? Good choice with the 1800rpm.

- Jamie_Sharp

the 1/4 hp motor seems plenty. with 120 grit paper on the disc, it only takes a light touch. grind for a couple seconds, let cool, grind again, cool again. I just dip the tool in water each time.

-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado

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BlasterStumps

1288 posts in 797 days


#5 posted 04-21-2019 12:50 PM

My old unit did have the table out farther but I really didn’t make use of it. I sharpen basically free hand, no jigs. I only will brace against the top when I sharpen twist drill bits. The disc needs to turn cc for drill sharpening.


This is not a new idea, the first one I have seen was way back in a 1941 PM magazine, D. Gingery improved a bit on the concept in 1981. Here s the link to these plans,

https://hobbyworkshopprojects.blogspot.com/2018/12/old-becomes-new-again.html

Yours is also a nice example of this idea. If you follow D. Gingery s idea and bring the table further out around the disk it will give you better support and control for hand work and it will be easier to mount jigs on the table that will allow you to perform precisely controlled sharpening.

- Carlos510


-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado

View Redoak49's profile

Redoak49

3925 posts in 2346 days


#6 posted 04-21-2019 12:52 PM

Great build and use of a motor.

View Carlos510's profile

Carlos510

249 posts in 729 days


#7 posted 04-21-2019 01:01 PM

Thats great Blaster, adding a reverse switch would be convenient. Many small motor types are reversible.

Cheers

-- "If time is money, then I need a loan" , http://www.hobbyworkshopprojects.blogspot.com/

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BlasterStumps

1288 posts in 797 days


#8 posted 04-21-2019 01:03 PM

Thanks Redoak.


Great build and use of a motor.

- Redoak49


-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado

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