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-   -   Lathe Hack and old school tool use. (http://www.tomatoville.com/showthread.php?t=42691)

salix February 11, 2019 08:06 PM

Well Worth, I can't truly say enjoying - because I don't have that equipment or the know how to use it. But I do find it very interesting and thank you for taking the time to show and explain the process.

P. S. My husband is very glad I am not younger - he knows I'd be right into wood turning!

Worth1 February 13, 2019 09:21 AM

[QUOTE=salix;726669]Well Worth, I can't truly say enjoying - because I don't have that equipment or the know how to use it. But I do find it very interesting and thank you for taking the time to show and explain the process.

P. S. My husband is very glad I am not younger - he knows I'd be right into wood turning![/QUOTE]
Thought long and hard since you posted this and have now decided to reply.
There is no age limit to when you want to start a hobby in my opinion.
If you can afford it do it, just dont cheap out on a wood lathe.

I was blessed growing up with a vast library that I read and studied books of all kinds.
Never ran a lathe for years and knew what to do before I ever put hands on one just from reading over and over again as a kid.
Never had a shop teacher or anyone stand next to me ever.
Built one of sorts when I was around 14.
It made rubber hose washers out of old truck inner tubes.:lol:

salix February 13, 2019 12:44 PM

Ah, perhaps 'younger' was not quite the correct word to use... Arthritis-caused mobility issues have increased with age, and THAT is the problem (and I am considerably older than you). Certainly not a problem with my mindset; I already do far too many things that were considered 'not possible' for me!

Worth1 February 13, 2019 01:12 PM

[QUOTE=salix;726867]Ah, perhaps 'younger' was not quite the correct word to use... Arthritis-caused mobility issues have increased with age, and THAT is the problem (and I am considerably older than you). Certainly not a problem with my mindset; I already do far too many things that were considered 'not possible' for me![/QUOTE]

That is a problem an it can happen at any age.

On a side note I did it again and it ticks me off to no end that I do sometimes.
I used my depth micrometers and I read them backwards.
Not a big deal but it put me off by about 0.020 from the 0.300 I was aiming for.:evil::lol:

Worth1 February 13, 2019 02:41 PM

2 Attachment(s)
Got more than enough to use so I have extra. :yes:
The piece of garbage up front is what I modified from Home Depot.
The new ones took their place.

I didn't take a pictuer but when I worked my way to the end of the stock I had just enough left to make two more.
I turned the round part but to a larger diameter.
Took it out swapped to the three jaw and turned the other end round to right size and so on.
Then cut in half and finished both parts.
The one that was bigger I threaded it and then tuned to right size using a bolt in the lathe with it snugged up against the chuck jaws.
I didn't have any scrap left over at all.
[ATTACH]85966[/ATTACH]

You can see the bolt holding in in place in the center.
This is an after thought mock up of what I did.


[ATTACH]85967[/ATTACH]

Worth1 February 13, 2019 06:34 PM

Spent the rest of the time turning large old concrete anchor bolts into bar stock for future use.
Pretty bad steel but it can be used.

whistech February 13, 2019 09:58 PM

Worth, looks like you are having fun and probably have another project in mind for the rotatory table and mounted chuck.

Worth1 February 15, 2019 01:21 PM

[QUOTE=whistech;726925]Worth, looks like you are having fun and probably have another project in mind for the rotatory table and mounted chuck.[/QUOTE]

I do in the near future.
Just a few more odds and ends to take care of first.

Today I mounted the huge face plate up on the lathe and worked on it.
The specs said no more than 900 RPM.
You think!!!:shock:
When I put it on some time ago it caused the lathe to wobble big time at 600 RPM.
So today I put it back on and trued it up the face and the outside edge.
Outside edge first.
Been putting it off because I was scared to do it.
There never was a register mark on it to match it to the lathe.
Once I faced it off and trued up the outside edge it runs like a champ at even 1000 RPM.
Not going to run that fast but it is good to know it is more balanced now.
Plus I put a register mark on it so it will go back in the same place every time.

Worth1 February 15, 2019 01:23 PM

1 Attachment(s)
Plus it had dents and dings in it I didn't cause.
Here is the finished faceplate.
[ATTACH]85977[/ATTACH]

Worth1 February 15, 2019 03:30 PM

Just ordered a new follower rest for my lathe.
Needless to say I wont be putting a trashcan at the end of my lathe anymore.
Been missing for months. :evil:

Worth1 February 17, 2019 01:59 PM

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I have two of these lathe chuck wrenches.
This one was poorly machined and the handle kept slipping out.
Drove me nuts to say the least.
Don't know why I didn't think of this before.
Had everything to do it right next to me.
[ATTACH]85999[/ATTACH]

Worth1 February 17, 2019 05:20 PM

1 Attachment(s)
Rotary table set up to evenly space 100 of anything with dividing plate.
Explanation later on how it works.
CNC basically took the place of these contraptions for mass production.
This would be a great demonstration for people in mathematics.
[ATTACH]86006[/ATTACH]

Worth1 February 17, 2019 05:56 PM

Honestly the thing makes my head hurt figuring it out.
But here it is.
At least for mine.
I have the charts but I wanted to "back" figure it to see if I could come up with the numbers by using math.
Have no idea if it is the right way but it works for me.

My rotary table has a 90:1 ratio it takes 90 rotations of the handle to make it go one revolution.

I want 100 divisions with this thing so what to do.
100 divided by 5 = 20.
I have a dividing plate that has 20 holes in it.
But I have a 90:1 ratio.
What goes into 90 5 times, 90 divided by 18 = 5.

So I get the 20 hole dividing plate and use it to move 18 holes at a time.
This will give me 100 of anything evenly spaced in a circle.

Worth1 February 17, 2019 08:11 PM

Here is an old instruction manual on the dividing head.

[url]https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=19&cad=rja&uact=8&ved=2ahUKEwi_7p_WisTgAhVqsVQKHYbfAmgQFjASegQICBAC&url=http%3A%2F%2Fwww.vintagemachinery.org%2Fpubs%2F2107%2F5797.pdf&usg=AOvVaw31Hgf1Q2JRWFZCMQwRDeke[/url]

Worth1 February 19, 2019 01:52 PM

1 Attachment(s)
Finally picked up a cheap 1 inch drill I cna make a hole so I can get a boring bar in.
Test piece in photo.

This is for the crush grind pepper mill project.
[ATTACH]86040[/ATTACH]

Worth1 February 22, 2019 01:00 PM

While widow shopping I happened upon reasonably priced items I have been wanting.
I knew the site was there but for some odd reason I never looked for what I was wanting.
Metric thread pitch gauge.
ACME thread pitch gauge.
ACME center gauge.
This one allows you to grind and measuer cutting tools for ACME threads.
ACME threads transfer motion and loads repetitiously without wearing out fast.
The threads on your garage door opener if you have one are ACME threads.
ACME threads are on C clamps.

Worth1 February 22, 2019 05:47 PM

Folks I'm in the process of building an X-Y table for my drill press.
I have some of the materials available and just collecting stuff.
The more I think about it the more ideas and so on I get to make it.
One thing I have figured out is the more I think outside the box the more ideas I get.
Much of it will be made from that fine wood I got for free.
So it will be made with a combination of wood and steel.
One thing I want to do is be able to convert the lead screws from decimal to fractions.
One set will be 10 threads per inch the other 8 threads per inch.
The former will allow 0.100 inch per rotation of the dial the latter will allow 1/8 inch movement per one rotation of the dial.
With the dial marked out with 100 marks or graduations each graduation will be .001 of an inch or one thousandths of an inch movement.

Now the 8 threads per inch for fractions.
1/2 rotation is 1/16 inch, 1/4 rotation 1/32 of an inch, 1/8 rotation 1/64 inch and 1/16 rotation would be 1/128th of an inch movement.
Putting 16 graduations on the dial will allow that at 8 threads per inch.

Worth1 February 23, 2019 04:45 PM

Finally figured out how to make a platform for my rotary table to sit on my drill press.
Had everything sitting in front of me.
Will take a few pictures along the way showing how to use the height gauge to lay out pieces and other things.

Worth1 February 23, 2019 08:17 PM

3 Attachment(s)
After measuring laying out lines center punching drilling reaming and threading it is almost finished.
It is tedious to say the least to get it right.
And square it is.
[ATTACH]86104[/ATTACH]

[ATTACH]86105[/ATTACH]

[ATTACH]86106[/ATTACH]

Worth1 February 24, 2019 12:48 AM

4 Attachment(s)
I honestly don't know what got me started on this today but the hard part is finished.
The one big hole up front is for when you lay it down to use it in the other direction.
[ATTACH]86109[/ATTACH]

[ATTACH]86110[/ATTACH]

[ATTACH]86111[/ATTACH]

[ATTACH]86112[/ATTACH]

Tomzhawaii February 24, 2019 01:40 AM

Is that 316 stainless?

Worth1 February 24, 2019 01:52 AM

[QUOTE=Tomzhawaii;727810]Is that 316 stainless?[/QUOTE]

2 X 5/8 good quality aluminum.

Worth1 February 24, 2019 10:38 AM

[QUOTE=Tomzhawaii;727810]Is that 316 stainless?[/QUOTE]

I ordered 4 12 foot bars of this stuff for a project at work and it was the off fall from that project.
Now that I looked it up it is 6061 "aircraft grade" aluminum.
My fastener choices were 1/2x20 TPI bolts and 5/16 18 TPI Allen head fasteners.
The fine thread may be over the top but fine threads have more tinsel strength.
Each hole in steps.
Scribe lines.
Center punch at intersection of lines.
Place on drill press and center drill.
Drill small pilot holes.
Worked my way up to the F size drill for the 1/16 18 TPI fasteners.
Counter bored and finished bore for the fastener head with a reamer.
On the 1/2 20 TPI I continued on to the final tapping size of 29/64.
Started my taps in the drill press to make sure they are square and then finish by hand.
Lots of taking apart and putting back together before final drilling and assembly.
I only had one shot at it and it is very rigid.

Tomzhawaii February 24, 2019 11:05 AM

Yes, the quality in your work shows. It is painstaking work. But will last a few decades. My father made me a welding table in the 70's. My brother in law cherishes it. And it looks like the day it was made.

Worth1 February 24, 2019 12:21 PM

3 Attachment(s)
[QUOTE=Tomzhawaii;727837]Yes, the quality in your work shows. It is painstaking work. But will last a few decades. My father made me a welding table in the 70's. My brother in law cherishes it. And it looks like the day it was made.[/QUOTE]

Thanks I try my best.:)
Here is a demonstration of it on it's back drilling 100 evenly spaced holes.
Cranking the handle clockwise and the sector arms counter clockwise.
Each time moving the handle 18 holes in the 20 hole section of the indexing plate.
Think sausage grinding plates :D or just about anything you wanted.
Even cut ring grooves.

.[ATTACH]86124[/ATTACH]
Closeup of sector arms.
Here is where you would pull the pin rotate the handle clockwise and put the pin in the left sector arm.'
Drill hoke.
Then move the sector arm counter clockwise and repeat.
[ATTACH]86125[/ATTACH]

[ATTACH]86126[/ATTACH]

Worth1 February 24, 2019 01:07 PM

3 Attachment(s)
Using the degree wheel 5 X 72 = 360.
Start at 0 move to 72 then 144, 216 and last 288.
5 holes.
Just turn the crank and you get a circle.
That is parallax you see in the middle picture.
[ATTACH]86127[/ATTACH]

[ATTACH]86128[/ATTACH]

[ATTACH]86129[/ATTACH]

Worth1 February 24, 2019 02:24 PM

2 Attachment(s)
Absolutely useless trinket. :lol:
[ATTACH]86130[/ATTACH]

[ATTACH]86131[/ATTACH]

Worth1 March 2, 2019 12:10 PM

Yesterday I showed a pictuer of the 100 hole experiment and dividing head to a guy that does AutoCad.
His shock was clear as crystal when he realized it was all mechanical and not CNC.
He then replied how fast it could be done with CNC and the math was built into the program.
What he didn't understand was the math at all and replied, yeah but with CNC and so on.
I feel this thread dovetails perfectly with this forum.
Reason why is we are all growing our own food, cooking, fermenting, canning and so on.
Not dependent on others for our well being so to speak.
We are all kindred spirits in many ways. :)

Tomzhawaii March 4, 2019 11:27 PM

Worth,
That Autocad and CNC are great. Still, it can't beat your way of doing things. I get the modern , however it loses it's craftmenship. I'm with you.
Tom

PhilaGardener March 5, 2019 06:31 AM

+1, beautiful craftsmanship, Worth! :yes:
It is a real pleasure to follow your projects!


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