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Sharpening lathe tools with a belt sander?

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Forum topic by landryj88 posted 10-02-2017 01:55 AM 1878 views 0 times favorited 7 replies Add to Favorites Watch
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landryj88

5 posts in 722 days


10-02-2017 01:55 AM

Topic tags/keywords: question jig shaping lathe

Hello,
So first off thanks for any advise in advance and also I know the first thing folks might want to say is get a slow speed grinder but there is no way that is happening right now.

So here is my question I have a porter cable belt sander and need to get some usable results while sharpening by turning tools. Does anyone have any advise?

Justin


7 replies so far

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MrUnix

5975 posts in 2032 days


#1 posted 10-02-2017 02:02 AM

Belt sander works great… make or buy a jig so you can get repeatable grinds. You can buy them for lots of bucks, or make them dirt cheap like this one from scraps:

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

View bbasiaga's profile

bbasiaga

1003 posts in 1828 days


#2 posted 10-02-2017 02:17 AM

the biggest risk is that it will overheat and ruin the temper on your steel very quickly. So quick touch, quench in ice water, quick touch, ice water…etc….until sharp as you like it.

-- Part of engineering is to know when to put your calculator down and pick up your tools.

View TheDane's profile

TheDane

5327 posts in 3496 days


#3 posted 10-02-2017 02:43 AM

Check out Eddie Castelin’s video on Youtube … https://www.youtube.com/watch?v=aaqIGVmVHY8

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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Wildwood

2186 posts in 1968 days


#4 posted 10-02-2017 10:25 AM

I started out sharpening with same style belt sander, made a little wooden stand that could clamp to work bench which worked okay. Moved on to 6” 3450 RPM bench grinder & wolverine system, been using that set up for over twenty years.

Only tip have for you is use a light touch when sharpening your tools whether use belt sander or bench grinder.

Don’t need or want to quench HSS tools in water!

-- Bill

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loiblb

141 posts in 889 days


#5 posted 10-12-2017 03:46 AM

I have a attachment to use on one of my spare lathes for this

View Kelly's profile

Kelly

1821 posts in 2777 days


#6 posted 10-12-2017 04:11 AM

I have a few more toys now, but I started with a one inch Delta. It did a beautiful job and it was quick and reliable. My results were hit and miss. Fortunately, more hit than miss.

The ONLY reason I don’t use it as much is, I have a four wheel system with CBN wheels I can slow to a couple RPM’s, if I want. It’s still great for quick touch ups because it’s five steps closer to the lathes than the four wheeler.

If you overheat the metal, don’t quench it, if you’re using high speed steel [HSS], which is preferred for lathe work. Quenching is said to fracture the HHS. That said, the advice to use a light touch is good.

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TheFridge

8287 posts in 1319 days


#7 posted 10-12-2017 12:51 PM

I like flat bevels. Use a disc sander myself.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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