LumberJocks

What do you think about this special tool?

  • Advertise with us

« back to Woodturning forum

Forum topic by socrbent posted 01-25-2018 07:02 PM 837 views 0 times favorited 10 replies Add to Favorites Watch
View socrbent's profile

socrbent

612 posts in 2295 days


01-25-2018 07:02 PM

Topic tags/keywords: question lathe turning

The Hope treading jig suggests a relief cut at bottom of the cavity you will cut threads in like this:

I had a difficlut time creating the recess with my existing tools. So I took and old skew and ground it to this shape:

Ground the cutting face to be like a negative rake tool:

Haven’t tried it yet. Before I do I wondered if some fellow LJ with turning experience would let me know what you think.

-- socrbent Ohio


10 replies so far

View Bill White's profile

Bill White

4948 posts in 3986 days


#1 posted 01-25-2018 07:36 PM

I would have done the same.
Bill

-- bill@magraphics.us

View Woodknack's profile

Woodknack

11785 posts in 2405 days


#2 posted 01-25-2018 10:34 PM

I have one almost exactly like that, made from a file.

-- Rick M, http://thewoodknack.blogspot.com/

View socrbent's profile

socrbent

612 posts in 2295 days


#3 posted 01-25-2018 11:50 PM

Thanks Bill.
Rick – how does yours work?

-- socrbent Ohio

View lew's profile

lew

12102 posts in 3781 days


#4 posted 01-26-2018 04:02 PM

Very similar to a tool available for making cuts on crush grind pepper/salt grinders.

https://www.woodcraft.com/products/pinnacle-cryogenic-pepper-mill-tool

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Woodknack's profile

Woodknack

11785 posts in 2405 days


#5 posted 01-27-2018 01:54 AM



Rick – how does yours work?

- socrbent


Pretty good except it dulls really fast. I suspect it needs to be rehardened, probably lost temper when it was ground to shape. I didn’t make it. It came with a box of woodturning stuff bought at a swap meet.

-- Rick M, http://thewoodknack.blogspot.com/

View socrbent's profile

socrbent

612 posts in 2295 days


#6 posted 01-27-2018 03:36 AM

Sounds like the negative rake parting tool made from another similar old tool. As I used it tonight it worked great for about 30 seconds then needed touch up to create a burr.

I have yet to use the tool to cut an inside relief as I was cutting my first set of threads using the piece shown above and its mate. I’ll try it on my next thread project. The new Hope jig worked great cutting the female and then male threads. The first threads on the cherry piece were neat looking. I learned that next time to make the male piece with a larger diameter as the resulting threads were lose but work.

-- socrbent Ohio

View socrbent's profile

socrbent

612 posts in 2295 days


#7 posted 01-27-2018 03:39 AM

Lew, I had likely seen that before and it inspired me to make mine without remembering that I had seen it.

-- socrbent Ohio

View Wildwood's profile

Wildwood

2322 posts in 2160 days


#8 posted 01-27-2018 10:50 AM

Looks like your new tool will work just fine.

Use my skew or 3/8” spindle gouge, and had no trouble for that purpose. My trouble is crumbly threads even wetting wood or using CA to harden threads on both Cherry & Dog Wood Only luck have had is threading PVC pipe. I believe definitely need dense exotic woods to get successful threads. My 16 TPI threding set hangs on the wall in the package. It’s a shame really enjoy the process!

-- Bill

View socrbent's profile

socrbent

612 posts in 2295 days


#9 posted 01-28-2018 12:10 AM

Which Threading Set do you have? 4 members of our local AAW guild got 5 Hope threading jigs from England. My first try on Cherry at 16tpi cut some nice threads.

-- socrbent Ohio

View Wildwood's profile

Wildwood

2322 posts in 2160 days


#10 posted 01-28-2018 02:28 PM

Never heard of that jig so looked up, here is picture & price.

https://hopewoodturning.co.uk/jig-s/?p=1

If click on the video lad demonstrate set up & operation.

Think it is pretty neat!

Like this combination jig too!e.

https://www.threadingjig.com/

This one I would need.

http://www.threadingjig.com/jet-lathe-jigs/c,112,model-1642

Another US threading jig.

http://bestwoodtools.stores.yahoo.net/bathma.html

I have only used 2 piece tool hand cutting threading tools bought from Packard Wood works several years ago Item # 106531. Not sure want to invest in a jig right now but after watching these videos really tempted!

-- Bill

Have your say...

You must be signed in to reply.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics

HomeRefurbers.com