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Member postings for ega

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

Thread: Mikron Lathe Help needed
24/10/2018 11:29:51

Is the register the taper behind the thread as opposed to the parallel portion behind the taper?

Thread: Newbie Question - Leblonde Regal 13”
24/10/2018 11:25:41

According to lathes.co.uk:

"During the 1940s a number of improvements were made to functionality and durability by including the use of heavier stands with cast-iron box plinths beneath headstock and tailstock and offering as extras, various features including higher speed ranges to take advantage of carbide-tipped tools..." [my emphasis]

so there may be a practical way of increasing your top speed without damaging what sounds like a fine machine.

Thread: How would this lathe tool be used?
23/10/2018 15:35:09
Posted by Neil Wyatt on 21/10/2018 11:42:59:
Posted by ega on 20/10/2018 17:47:21:

Neil Wyatt:

Thank you.

I think I have noticed in the past that after viewing an embedded video other, unwanted, videos are offered; is there a way to avoid this?

I think it's in the settings when you generate the embed code.

You will generally be offered things relevant to what you have seen before ... if you have cookies enabled.

Neil

Thank you.

Thread: Mikron Lathe Help needed
23/10/2018 12:13:45

Nick Palliser:

If you give some indication of your location a volunteer may be more readily forthcoming.

Thread: wood turning
22/10/2018 10:59:54
Posted by Alan Charleston on 22/10/2018 06:28:15:

I have found the Diamond Tool Cutter from Eccentric Engineering is excellent for turning wood, particularly if you use a round rather than a square tool. I have attached a couple of pictures showing the finish I got on the end grain of a piece of Kanuka wood. The finish is as good as that from a skew chisel but is of course dead flat. I use a similar cutter arrangement in my ball turner. There is very little sanding required after turning.

[Can't seem to get out of quote mode!]

Interesting points. It occurs to me that the tangential cutting action of the cutter in your ball turner is the same as that in J A Radford's design.

Kanuka sounds as though it might come from NZ, too.

21/10/2018 14:41:54
Posted by Michael Gilligan on 21/10/2018 13:52:20:
Posted by peak4 on 21/10/2018 12:38:20:

Slightly off topic, but I'm always fascinated by watching this chaps work. ...

.

I wouldn't have thought work that fine could be done in Oak

... Amazed : MichaelG.

So am I, and (assuming real time video) it does rather make the point about speed of working. His finish is essentially from the tool, requiring a minimum of sanding. By contrast, an article in Fine Woodworking from May 1982 entitled "Woodturning on a Metal Lathe" described how forms produced by "twirling a couple of cranks" were finished by sanding from 60 (!) to 600 grit.

Thread: Unknown Lathe
20/10/2018 17:59:26

It looks like a shop-made item ie a one off by an individual worker.

Thread: How would this lathe tool be used?
20/10/2018 17:47:21

Neil Wyatt:

Thank you.

I think I have noticed in the past that after viewing an embedded video other, unwanted, videos are offered; is there a way to avoid this?

Thread: Gear cutting
20/10/2018 17:41:26

Also, getting a satisfactory finish on plastic may require a sharper cutter.

Thread: How would this lathe tool be used?
20/10/2018 11:01:15

Neil Wyatt:

Thank you for taking the trouble to upgrade my link (Japanese fountain pen making); would you please remind me how this is done?

Good to know that it has been of interest, and not just on the chasing point.

Thread: wood turning
19/10/2018 22:38:46

Nathan Sharpe

All other things being equal, a woodturner ie a worker using handheld chisels and gouges will remove material faster than a metal lathe operator.

The woodturner can achieve a surprising degree of parallelism but, of course, if greater accuracy is required the slide rest will give a better result.

I was not clear what you meant by "shallow" forms.

Thread: English Gage?
19/10/2018 14:40:38

Clive Foster:

Thanks for the interesting and useful background information.

I agree with SOD about the muddle. A random quote from the same B&S catalogue:

"The difference between the Stubs' Iron Wire Gage and the Stubs' Steel Wire Gage should be constantly borne in mind, the first being commonly known as the English Standard Wire, or Birmingham Gage, and which designates the Stubs' soft wire sizes, and the second being used in measuring drawn steel wire or drill rod of Stubs' make."

A makeshift tube-measuring mic can readily be contrived by furnishing the standard item with a precision ball and short length of tube to retain it to the anvil.

Edited By ega on 19/10/2018 14:41:48

19/10/2018 12:59:22

Extract from B&S catalogue:

englishgage.jpg

Thread: How would this lathe tool be used?
19/10/2018 12:06:59

For anyone interested in seeing hand chasing, here is a link to a fascinating video about Japanese fountain pen making:

Edited By ega on 19/10/2018 12:07:47

Edited By Neil Wyatt on 19/10/2018 19:29:05

Thread: Deburing holes
19/10/2018 11:54:06

The book advice for threaded holes is to countersink before threading; I admit I often forget and have to put up with the result.

18/10/2018 16:09:52

Michael Gilligan:

I had made the same assumption. Deburring the end of a tube cut square is, of course, easy enough and there are specialised tools (eg for plumbers' copper pipe) for the job.

Axminster have a fancy deburring tool for their PGS system on their website.

Edited By ega on 18/10/2018 16:10:58

18/10/2018 14:06:29

I had occasion to cut the tip off a step drill and afterwards it occurred to me that, mounted in a suitable handle, it would make an effective countersink/deburring tool:

deburr.jpg

It works best, of course, when the preceding step is a good fit in the hole being deburred.

On the tricky question of deburring holes in tubes, I suppose a CNC machine could do the job; I just make do with a small half round scraper.

Thread: Engineering Workshop Practice books
13/10/2018 12:01:29

Clive Foster:

PM underway.

Thread: Twin Tube HF fluorescent lighting for the workshop
11/10/2018 22:49:51

Plus 1 for the LED tubes - a revelation.

Thread: Engineering Workshop Practice books
11/10/2018 22:37:11

Contents of Vol II: (Second edition)

  1. Grinding Operations and Machines
  2. Broaching Operations
  3. Milling Cutters and Methods
  4. Milling Machines
  5. Planing, Shaping and Slotting Machines
  6. Engineering Machine Tools
  7. Special-Purpose Machines
  8. Plate and Bar Working Machines
  9. Overhauking and Adjusting Machine Tools
  10. Millwork and Machinery Installation
  11. Templates,Jigs and Fixtures
  12. Gearing and Gear Cutting
  13. Engineer's Drawings

I had better add that my edition is described as "new and revised" and I have assumed this means the second edition. Oddly, the spine is in Arabic (2) but the page references are in Roman (II) - go figure!

Edited By ega on 11/10/2018 22:43:59

Edited By ega on 11/10/2018 22:45:33

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