Recent content by retailer

I have one of the sand blasters that has a small container of sand that feeds by gravity into the gun, can use sand (dry), soda or grit - I have my air regulator set for 90PSI - it is a total loss system in that the sand simply blows away into the surrounding area, the idea is that you use it...

I'm with petertha on this one, my Taiwan 12x36 lathe was very turning slightly tapered - around 1.5 thou in 6 inches (0.035mm in 150mm) - to fix the issue I listened to all of the internet experts and purchased a precision level to take the 'twist' out of the bed - the level was seriously...

For those contemplating a repair on their small lath/mill motor speed controller I found a comprehensive repair document on an electronics forum and uploaded it in the downloads section, it may be helpful.

I use Fusion360 hobby version - it has a built-in slicer - the process is - design the part - switch from design to additive manufacture - select the printer - output gcode - it is very similar to cnc milling, but probably a bit easier in that you don't have to worry about defining tool paths.

I often see posts about DC motor controller issues on mini lathes and the almost complete lack of service info on them - I came across a pdf file on the antiqueradios forum - posted by a user called ACORNVALVE, he has gone to a great deal of trouble - the document is very comprehensive and would...

Really well done - sounds great - excellent achievement.

If you made the spindle to the Quorn drawings then I would say you may have used too much oil, the Quorn labyrithn seal is a simple labyrithn seal and is not intended to keep oil in but to keep grit dust out, the oil level should only be enough so the ball race dips into the oil, I feel that...

Excellent job - well done !

If hot is good then just wondering why my Quorn grinding spindle barely gets warm even after an hour or so in use, is the design somehow lacking or poor ?

There is a lot of good advice from seasoned engine builders here - but if you MUST harden the cam perhaps read up on Eric Whittles build of his 10cc air cooled aero V8, he hardened and tempered the cam which was made in one piece from silver steel (drill rod) - I reproduce the cam hardening...

I built the Quorn a few years back (MKI I think) and built it to the original design - it has a spring box with 6 springs - these springs provide preload to the bearings, I recall that if you push hard enough on the pulley it will move against the spring pressure, of course when grinding the...

I made up this Excel threading chart for my 12x36 belt drive Taiwan made lathe, this type of lathe is considered a generic Asian/Chinese/Taiwan lathe sold under many names like Grizzly G9249, Warco BH900, Jet12x36, Lantaine, Honden, Herless etc so this chart may be of use to forum members, it...

Something to think about, I started with Turbocad back in the days of 486 PC's with 4 meg ram - I have a shelf full of books on Autocad, Turbocad, and Inventor - I haven't really got past the first chapter in any of them. You should have the software setup and ready to go on your computer just...

Back when I was a school kid messing around with motor bikes the local motor cycle wrecker said to set the valves rocking at top dead centre (ex just closing and in just opening). this top dead centre point marks end of the exhaust stroke and beginning of inlet stroke - this has always worked...

This thread has been running for quite while and doesn't seem to want to die so I may as well put in my 2c worth. My first lathe was an Australian made copy of a Britania made around the early 1900's, while it could do good work once one was aware of the short-comings it was flexy and not very...