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Feedback on possible objects to grind into turning tools (scrapers, mostly)

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Forum topic by Thuzmund posted 118 days ago 644 views 0 times favorited 8 replies Add to Favorites Watch
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Thuzmund

54 posts in 128 days


118 days ago

Topic tags/keywords: lathe sharpening diy

So I have plenty of odd tools lying around the place and I’ve heard that creating your own lathe tools is a great way to add to one’s collection. I could use some scrapers with different profiles, like a sharp point, or a long, cruved skew scraper or chisel. I just have a basic set and some bowl gouges right now.

I am looking at a few objects I wouldn’t mind losing to heinous experiementation. I wonder if anyone else out there has tried these objects and could share what they thought of their applicability?

- A box wrench made of Cr-V steel
- A file
- A pry bar made of “heat-treated, high carbon steel”
- A partially-threaded 3/4” rod labeled “grade 2 class 1a” (I think that grade 2 is the lowest grade of fasteners)

From what I have gathered so far on google, file steels are safe choices. The Cr-V wrench and pry bar are the wild cards it would seem…

-- Here to learn


8 replies so far

View JustJoe's profile

JustJoe

1554 posts in 537 days


#1 posted 118 days ago

I’ve seen open-end wrenches used as sizing tools to check a spindle.
If you use a file, keep the tool rest very close to the wood because files are brittle and if you get a big catch it won’t flex, it will just shatter.

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Rick M.

3363 posts in 879 days


#2 posted 117 days ago

Buy old carbon steel lathe tools and regrind them. They can usually be had for fairly cheap. They require more frequent sharpening but it’s easy to do and when sharp they are very sharp. I have some files that were reground into turning tools and they are okay, seems like they dull fairly quickly.

-- |Statistics show that 100% of people bitten by a snake were close to it.|

View Norm192's profile

Norm192

33 posts in 141 days


#3 posted 117 days ago

I have used old files. It takes a minute grind off the old teeth but it’s good steel. I made one using a piece of round stock fitted in a handle. I drilled a hole in the end that would accept a 1/4” router bit and added a set screw to hold it in place. still using that one.

View Wildwood's profile

Wildwood

850 posts in 633 days


#4 posted 117 days ago

Unless you heat treat old files, too brittle for use as a turning tool. Plenty of info on how to on the web.

Yes, turners have bought steel bars & rounds and made their own turning tools. Heat treating info on the web too!

Old car springs another source for skews, scrappers, & gouges, blacksmithing skill a must.

Making my own turning tools just does not appeal to me when consider all the other skills, material & equiment and time needed to make them safe.

Good luck!

-- Bill

View Marcus's profile

Marcus

920 posts in 518 days


#5 posted 117 days ago

I made a thin parting tool out of an old putty knife. Way better than spending $40 for the sorby version.

View William's profile

William

8486 posts in 1341 days


#6 posted 117 days ago

If you’re like me, good or bad, you’ll wind up using all of the above for experimenting purposes anyway. So go for it.
The best shop made tool I have made that sees the most use is my thin parting tool. It is made from an old sawzall blade. The teeth are ground off, the end is ground to a 45 degree angle, all without getting it so hot to make it lose it’s temper. Then I just turned a handle for it. That thing works wonders and cost me zero, much cheaper than commercial versions.

-- http://wddsrfinewoodworks.blogspot.com/

View TerryDowning's profile

TerryDowning

835 posts in 616 days


#7 posted 117 days ago

+1 ^William and Marcus.

Reciprocating blades make great thin parting tools.

-- - Terry

View Thuzmund's profile

Thuzmund

54 posts in 128 days


#8 posted 116 days ago

Thanks, guys, I have alwasy been expeditious about experimenting, so I will likely do the files and try the sawzall trick! There’s a good video on making tools and heat treating here: http://www.youtube.com/watch?v=eYN-j2n6nmw

-- Here to learn

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