By continuing to use this site, you agree to our use of cookies. Find out more

Member postings for WALLACE

Here is a list of all the postings WALLACE has made in our forums. Click on a thread name to jump to the thread.

<< First < Prev 8 9 10 11 12 13 14 15 16 Next > Last >>
Thread: Broaching Keyway
12/02/2011 16:17:36
I know it's a cop out - but a local engineering company might be persuaded to do it for not too much. I needed a few keyways in some stainless pulleys I made up - I coldn't see myself doing that many of them in the future so it was £20 well spent . .
 
W.
 
 
Thread: Different Steels
11/02/2011 15:56:16
Hello David.
 
The book's at my Dads house - I'll dig it up next time I visit and find some more obscure materials - it must have been a relief all round when it went to EN numbers !
 
W.
Thread: Screwcutting Die Specification
09/02/2011 21:52:35
Tubal Cain in his book on Drilling and Tapping reckons the two locking screw should be 'slightly less than 45 degrees' from the central splitting one. . . whatever 'slightly less is he doesn't say . .!.
 
W.
 
Thread: Different Steels
09/02/2011 21:46:14
When I started with this metal bashing lark, I brought a pre-war book on engineering - the type of thing I imagine an apprentice would have spent his first weeks wages on.
 
All good stuff - except for the section on materials where it gives specs for 'Vickers Staybrght' or ' Cast Elektron' etc etc.
 
Haven't a clue what they are in terms of what we can buy today !
 
w.
 
 
Thread: Stringer EW lathe
02/02/2011 12:43:31

You can get a pretty good gloss wrinkle finnish by spraying with Hammerite, leaving it for 24 hours and then giving it another coat (as what it says NOT to do on the tin !).
 
It worked well for me - this was with a spray gun mind mind - usining the recomended thinners. Might need a bit of trial and error depending on technique, ambiant temperature etc.
 
w.
Thread: Case Hardening
20/01/2011 18:23:45
Is there much distortion ? sometime, I'd like to make up a dickson style tool holder to fit a universal head on a cutter grinder.
Mild steel would probably be more than adequate - but it would be nice to make something that is as tough as the commercial items !
W.
Thread: Parting off on Myford lathes
19/01/2011 18:17:43

So how about someone for the good of lathe users everywhere doing a test with two identically ground parting off tools on the same bit of steel using a rear and front mounted tool post and seeing which is best. You could steadily increase the feeds until they break
Even better, video it and stick it up on YouTube for all to enjoy -
I would offer to to the dirty deed myself - but alas - I don't have a rear mounted tool post on my lathe . . ..
w.
Thread: Dickson Tool Post . - can it be drilled ?
11/01/2011 19:52:41
Hi Kwil.
 
I haven't room on the lathe to put in a rear tool post  - so was going to try mounting it upside down instead and run it in reverse (it has a LOO taper so won't come loose).
 
I'm assuming the geometry to aid parting off would be the same -  but will probably try it first before I mangle the holder !
 
 
W/
Thread: Switching between lathe and mill (3 phase)
11/01/2011 19:49:08
Hi John
 
I've an inverter feeding 3 machines (not all at once !). There's a 'ring main' of 3 phase from the inverter together with a 'control box' on the 3 machines.  Adjacent to the 3 pahse ring, there's a control one made up of 10 way multicable. This carries a 12 volt supply line and the various analogue signals back to the inverter for speed, direction etc.
 
On each machine is a 'control box' with a couple of signal relays to put in/out of circuit the switches and potentiometer to give speed and run signals back to the inverter. There's also a big realy in each machine in paralell with the signal relays to switch the 3 phase..
 
The control boxes have a small phono socket on the front and the workshop has JUST ONE shorted plug - so you can only 'liven' up one control box and therefore one machine at a time. 
 
It all works a treat - and at one time was going to do a write up for MEW  BUT decided against it after chatting to a very helpful guy on one of the inverter trade stands at an engineering show. He said the problem was that you'd probably do the inverter in if 'the plug was pulled' when it was running !
 
No doubt someone with time and more electronic knowledge than me could figure out a dead clever interlockled system than only allowed one machine to work at once - and wouldn't allow the main 3 phase relay to go open while the inverter was running.
 
I should also add that the inverter is an electronic one - but very basic - it was built from a design published in Elektor magazine a few years ago and doesn't have any fancy settings to adjust for different characteristics - just speed, direction and ramp up and down times. And the cable feeding each machine is armored (i.e. screened) to try and keep any RF escaping.
 
w.
 
 
Thread: Dickson Tool Post . - can it be drilled ?
10/01/2011 16:20:49

Hi everyone.
 
I wan't to mount a Dickson type parting off tool holder upside down so I can run the lathe backwards when parting off. I'm not sure of the make, but I iamgine it's UK  . . (not Chinese !).
 
So I need to drill and tap a new hole on the bottom to take the height adjustiong screw. 
 
Any ideas if they're through hardened and impossible to drill ? !
 
thanks.
 
W.
  
Thread: Which slideway oil is best?
02/01/2011 21:23:09
Hi Terry - that's an idea -I use the GT stuff on my bike and it certainly doesn't attract dirst like the aforementioned  slideway lubricant did.
 
But it's not cheap and I'm dead mean !
 
W.  
31/12/2010 14:16:56
Stuff from Chronos works for me - I squirts it into the odd oil nipples on my lathe as well and it seems to work ok (not for the geared head though  - that uses some synthetic gear oil I had left over from a car gearbox oil change).
 
I did try some slideway oil on my bike chain once as I thought it might last longer - but only once as all the dirt and grit from the road appeared to want to stick to it !
 
I am quite liberal with the soluble oil on my lathe - this does tend to keep things clean - any swarf etc doesn't stick to the bed. The trick is to dry out the felt bits on the saddle with kitchen towle etc after using as these are the bits that will cause rust stains on the bed. I've also removed the metal covers for them as well.
 
Best thing for a geared head machine I would have thought would be to stick a magnet in it somewhere to pick up any odd bits of metal floating around in the oil.
 
But I agree with Blowlamp - the amount of loading on a lathe is minimal compaired to say a car engine. The average car gearbox transmits 100hp for hours on end - the loading and wear on a hand operated lathe saddle must be very low in comparison - just so long as it's kep clean !!  
 
w.

Edited By WALLACE on 31/12/2010 14:24:00

Thread: Aircraft General Discussion
22/12/2010 12:46:39
I took my Dad to see the Liberator when it was at Cosford a few years ago - and lo and behold, there was a picture of his squadron with him in it . . 
 
As he said at the time , 'I'd never thought I'd turn into a museum exhibit  !'
 
w.
Thread: Comments on the Exhibition
22/12/2010 11:46:39
  'at Ally Pally the flying displays are very inconspicuous in their corner, and make a great place to dump the children for a while whilst I shop for tools.'
That's the point - make it big enough and there's room for everything  - and something for everyone !  Think of John Lewis in Oxford Street. Just because there's a floor of womens clothing doesn't mean I won't go there to buy a tv . .    ..
 
w.
 

 
21/12/2010 23:15:53
Gosh - Seymour Hall was in 1970 - that's the one I went to first of all. Appart from the planes wizzing overhead (!), I remember the man drilling holes in files with his carbide drills - I wonder how many  he's gone through over the years as he was still at it at Sandown . . !
 
What I really did like about this years one was that the exhibits weren't 'fenced off' and there was usually someone close by to talk about them. A lot nicer than just being  locked away in a glass case with a security alarm wrapped around them - unfortunately probably a sign of the times we live in . .  .
 
 
Here's a thought or two..
 
My first visit when I was 6 or so I wouldn't have known what a lathe was  - but a ride on a steam engine was something to be remembered. Next visit a few years on, I'm probably looking more at the model electric trains wondering  if I can get one for Christmas.
 
Push the clock forward a few years and the electric trains don't really do it for me any more - much more interested in the live steam stuff- I wonder how they make them ??
 
Now I'm in my teens - I know what a lathe is - and what it does -  and thinking - 'one day I'll have one of those '. A few years later with somewhere to put it and some money to buy one, I've got a L5 sitting in my Dads garage and I'm going to Olympia with a shopping list for tools and metal and will look at every exhibit wondering if I'll ever get the skill to even get close to what I've seen (like a working V8 aeroplane engine that's smaller than my fist . . ) .
 
But I needed that first trip to get me hooked in the first place - and keep me hooked - which is why I'm convinced a wide ranging exhinition is the way to go.
 
 
w.
  
 
20/12/2010 14:28:26
I agree toally with Peter's first post. Good exhibition if you want to look at lathes, buy bits for your Myfords etc - but not really somewhere I'd want to take the kids to.
 
Where were the live steam engines giving rides, the tethered aeroplanes whizzing overhead ?  
 
As to the trade guys breaking even, I can't imagine a large show with all sorts of models, planes, boats, radio controlled, working sream engines etc etc etc wouldn't be an absolute goldmine for all that present buying just a few weeks before Christmas.
 
I can't see the argument that the show should just be for 'engineered' items- a show that appeals to a broader spectrum of 'Joe Public'   will do a lot better at introducing new people to the hobby as opposed to a marganalised niche exhibition.
 
W. 

Edited By WALLACE on 20/12/2010 14:54:52

Thread: Cutter regrinding services
16/12/2010 20:14:45

I had some large Dormer countersinks done by Cromwell tools. They do have a few branches around so there might be one local to you. Came back nice and sharp - cost effective when comppaired to a new cutter - even taking into account the bootsale purchase price.
 
w.
Thread: Drilling chuck questions
14/12/2010 21:14:56
Keyless for the tailstock - no questions.  Simple reason is you can push in at the same time you're turning the knurly bit so there's no tendancy for the morse taper to loosen and scuff (even if very slightly) the tailstock barel.  
 
Keyed for the bench drill as the spindle tends to revolve so you can't tighten / loosen the thing.
 
I've got a Albrecht which is very good - but then it was from an autojumble at a lot, lot less then a new one ! Probably see you out if you do decide to spend the cash - they're very nicely made.
 
w.
Thread: Stringer EW lathe
08/12/2010 12:41:45

Agree about the clutch. There's one on my L5 with a switched linked to the phase inverter so it always starts slowly.
Always worries me seeing lathes instantly start up  - especially if they're not on an inverter drive ! 
 
w.
 
 
07/12/2010 21:09:12

Believe it or not, one of my buddies at work (since retired) was the son of the Mr Stringer who used to make them !
I'll forward this to him - he might well have some info !
 
W. 
<< First < Prev 8 9 10 11 12 13 14 15 16 Next > Last >>
Magazine Locator

Want the latest issue of Model Engineer or Model Engineers' Workshop? Use our magazine locator links to find your nearest stockist!

Find Model Engineer & Model Engineers' Workshop

Sign up to our Newsletter

Sign up to our newsletter and get a free digital issue.

You can unsubscribe at anytime. View our privacy policy at www.mortons.co.uk/privacy

Latest Forum Posts
Support Our Partners
cowells
Sarik
MERIDIENNE EXHIBITIONS LTD
Shopping Partners
Subscription Offer

Latest "For Sale" Ads
Latest "Wanted" Ads
Get In Touch!

Do you want to contact the Model Engineer and Model Engineers' Workshop team?

You can contact us by phone, mail or email about the magazines including becoming a contributor, submitting reader's letters or making queries about articles. You can also get in touch about this website, advertising or other general issues.

Click THIS LINK for full contact details.

For subscription issues please see THIS LINK.

Digital Back Issues

Social Media online

'Like' us on Facebook
Follow us on Facebook

Follow us on Twitter
 Twitter Logo

Pin us on Pinterest

 

Donate

donate