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https://www.youtube.com/watch?v=lRSWdrnbDcc

this guy made his own
as he did his lathe,mill and most of his tooling
check out his channel on youtube
be sure to leave the last one, the one about the endmill sharpening fixture, to the last!!!!...

dishwasher pumps are designed to work continuously for longer periods, maybe they are better suited?

How about a small steppermotor directly drivhttp://ecx.images-amazon.com/images/I/41EgiaD2wcL.jpging the unused side of the crank and fixed to the reel itself.
light and strong
battery and...

if you are planning on using the engine hoist to actually move the lathe i would reconsider
it may be marked as being 1 ton but maybe ,maybe it will lift 1 ton but it will not be able to lift and...

now you can weld a piece of square tubing to the underside of the table where the blade comes through and attach a length of flexible alu tubing to it and attach that piece to your shop vacuum
gets...

dont need a torch

next time you just fire up a bbq and toss it in along with the meat

compressor oil is different from other oils as it has a much higher flashpoint
such as to prevent ignition by compression should oil get above the piston

if you cannot get any dry ice, try anti freeze mixed into water
get the mixture so, that it will just freeze
plug up your spindle on one side, doesnt have to be water tight
fill a plastic bag...

never heard of that one before
but damn it, it works !

the fluid cleaning companys use for toilets usually contains phosphoric acid, in europe a lot of fluids for the same application for home use do to

very nicely done that holder!
didnt you contemplate making the entire assembly out of one piece?
it seems "easy" on that type of toolpost.
less overhang and no joint to flex.
unfortunately i have...

the spindle of my sb 9a runs directly on the cast iron, so does the spindle of my hercus 9
the sb 9 never had bronze bearings as far as i know

before starting to cut the inside thread take a piece of steel and cut the 1.5 x 8 outside thread on it
use the other chuck as a guage and make it to a perfect fit
use it as a guage while turning...

were the pins actually hardened?

hobbing gears is one application for it

miss alignment of the chuck will NOT make a taper
a bad quality chuck may do so
the jaws are supposed to hold the piece straight without movement
bell mouthed jaws will give a taper, so will...

i imagine the baker looking at all the cool stuff you made, asking: "can you eat it?"

The only reason cast iron was/is used for parts of machines was/is the ease and low cost of production of parts of the machine
In quality modern lathes there are NO cast iron parts.
And that...

how about making a new saddle out of steel
milling the v's and put turcite in them
a lot easier to scrape

how did you get it off the blocks?

to be on the safe side: document the proces of dismantling, a camera might save you a lot of time figuring out whether the shim goes to the left or the right...

This is one of the guys other video's
watch what he does after 13 minutes
https://www.youtube.com/watch?v=cwdoUjynpEk

i wonder how long his lathe would last if he treated it like he treated the...

what material is made out of?

atf and air are not so good a combination
the stuff is pretty harmfull if you speak danish, norwegian or swedish
not so if you speak german

Some time ago we had a plastic bottle of atf oem...

1 he keeps the halfnuts closed at all times
2 the threads are fine but the pitch is off
3 he is plunge cutting using the compound feed, set to 0 degree

my guess is the qcgb wasnt set correctly
there is nothing wrong with the way of threading used

340525

the answer to parting problems

I have to disagree

Chucks are designed to have sideloads on the jaws.
How else would they transfer the movement, and thereby the torque, of the chuck onto the workpiece?

to each his own folly

i couldnt agree more

BUT:

As you explained why turning upside down is abusive and not good practice i cant help but say your reasoning is flawed.
At least in radial...

i have got both a hercus and a south bend
they are identical as for what the fiber ring concerns
so it should work
problem in europe is the manufacturer of the bearings is in germany/austria and...

in tightening the big nut you will loosen the smaller one
and its easier to tighten the big one because it is bigger
the cold chisel on the big one will have more leverage

the big one isnt...

it looks like the same construction the bicycles overhere have
so grip the big nut and tighten it
the smaller nut should come right off after that

If you repeat the test with the quill fully extended, you will know whether the quill is parralell to the ways the tailstock is running on.

The best would be to take two morse chuck tapers, one...

i got my testbar out of an old copier machine
the bar that presses the paper onto the transfer roll
it is 57 cm long, 5 cm wide, ground, chromed and has centers on both ends
the visible wear is...

if the jackingscrews are working in the horizontal they will never change the vertical

this is actually where they got the idea for those needleless vaccination guns that are used for mass vaccinations

15 lpm at 4000 psi is some serious pressurewasher.
watch your feet..
stay safe and have fun

cheers

jan

There sure is...
45 kw to get to 6000 bar to move 3.4 litre per minute trough a less than 1 mm nozzle.
and if its springs a minute leak all that pressure is down to near nothing in an instant

I wouldnt worry about failure of the parts you made.
Liquids behave quite differently from gases if a container under pressure fails.
The liquid will loose its power instantaniously as it is not...

fine job!

maybe you just got to drill it out

truely amazing

The idea is to turn the ends of the bar so that both ends have the same diameter, by adjusting the tailstock.
The longer the bar the better the results.
This means the bar is running true to the...

You started out with a not kown to be perfectly round and perfectly straight bar in a 4 jaw.
No way that is going to give you any indication upon the alignment of the headstock.
Forget about the...

Sure you mean a multifix?
Multifix is a brand name and and system name.
The brand Multifix is the most expensive you can get.
The system multifix is the about the best you can get.
Or do you mean...

8 amp, 240 v, 10mm square???
more like 2,5 mm square

Years ago i was working on the spots of rust on my car with fine steel wool.
I had to weld a spot using a stick welder.
A spatter from the welding fell into the steel wool.
I burnt brightly and...

Why not try and harden the blades you already have?

you want it raisorsharp?
only one way: treat it like a raisor.
hone it on the finest stone you can lay your hands on ( it will seem sharp after that)
then strop it to an oldfashioned...