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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: Involute, Circular Gear-Cutter on Eccentric Arbor...
23/01/2019 11:05:56
Posted by Brian G on 23/01/2019 07:01:37:

Colin Binnie wrote of using the same method of obtaining clearance with "roller" form tools for the lathe **LINK** .

Thanks for the link: excellent illustrations and it made sense once I realized that you have to read across the columns of text.

Has anyone here used the static form? A photo would be welcome.

Thread: ARC's Adventures in China 2019
21/01/2019 11:20:51

Impressive, though, that the factory are prepared to be visited and photographed.

Thread: The Diamond Tool Holder
20/01/2019 17:23:57
Posted by Howard Lewis on 20/01/2019 17:03:35:

My difficulty was making a neat fracture of a 3 inch length of the HSS toolbit. Then, as said found that it fouled the Top slide when trying to rotate the 4 way toolpost.. My solution was to slacken off the clamp, a long way so that the toolpost would lift clear of the pawl so that it could be rotated backwards before reclamping.

The American toolpost is an invention of the Devil, as far as i am concerned. Four way every time for me (which when I made a rear toolpost, it was a fourway, also!)

Howard

For cutting off HSS I use an angle grinder with a thin cutting disc mounted in a pivoting stand.

My DTH would foul the topslide even without the toolbit, unfortunately.

I have never used an American toolpost and have no plans to do so!

20/01/2019 14:55:27

Posted by Clive Foster on 20/01/2019 13:53:00:

... obnoxious lantern tool posts ...

Thanks for your comments - always worth reading.

I have some of the Armstrong type toolholders although I think they are intended for use in a lantern tool post and certainly won't fit the GHT toolpost. I will give them a go on my larger lathe, however.

The DHT remains a very attractive proposition for all the reasons you mention.

PS your "board on a batten" in the cross vice thread reminded me of the similar arrangement I use with my bench vice when I want to get closer to the job.

20/01/2019 12:09:25

Watching the (exemplary) video again I was initially puzzled by seeing the chip on the left hand thread coming from the trailing flank; on reflection, this is because it is a right hand tool with negative rake on the leading flank.

I have one of these, sized so that it can be used on both my lathes. One limitation on the Myford with GHT four way toolholder is that the downward projection of the toolbit prevents rotation of the toolholder. Of course, the DTH is so versatile that it could still be used effectively in a simpler toolholder like the Gibraltar.

duncan webster's experience reminds me of an anecdote about the poet Wordsworth: in the days when the addressee paid the postage on receipt he saw a poor, old woman having to refuse a letter for want of the postage and was surprised to have his offer of help paying this declined; when the postie had gone on his way, she explained that her son in America sent her an empty envelope each month so that she would know he was well!

Thread: Hello from Bedfordshire...
20/01/2019 11:18:27

My (non-ME) sister lived round the corner from Tracy Tools when they were in London; quite an interesting exercise getting her to go and buy something for me before the advent of the mobile phone!

Thread: Mill Spindle Readout
20/01/2019 11:09:22

I'm guessing that the up and down arrows have to do with absolute and relative functions and, short of asking Warco, suggest you look at the websites of suppliers of these scales to see if you can find a similar device with instructions.

Thread: VAT on eBooks
18/01/2019 16:37:58
Posted by Michael Gilligan on 18/01/2019 15:18:04:

Posted by ega on 18/01/2019 11:34:01:

... I gather that the relevant Directive is 2018/1713 of 6 November 2018 which came into force as recently as 4 December and it is perhaps not surprising that there is no obvious mention on the gov.uk website. ...

.

Is this what you seek ?

**LINK**

https://www.gov.uk/guidance/the-vat-rules-if-you-supply-digital-services-to-private-consumers

MichaelG.

Quite possibly, and many thanks for the link which I have bookmarked for later perusal as the text is quite long. Did you have any particular "verse" in mind?

I note that these "place of supply" rules don't apply to the supply of physical books (my italics).

Thread: Intended function of gib screws
18/01/2019 11:41:22

I bought one of these cross vices several years ago; on examination it was so badly made that I returned it next day.

The one in the picture looks relatively good and it should be a simple matter to install locks to the slides.

Thread: VAT on eBooks
18/01/2019 11:34:01
Posted by Neil Wyatt on 17/01/2019 18:00:37:
Posted by ega on 17/01/2019 16:57:44:

13 with mine.

I believe that printed books are zero-rated rather than exempt; let's hope that the government response is not to level up! In any event, the VAT on ebooks is imposed by EU law.

Edited By ega on 17/01/2019 16:57:58

False News!

Actually I October 2018 the EU voted to allow member states to apply flexible VAT on e-books so the UK government could make them zero-rated if it wanted.

The difficulties Ady alludes to are because France has chosen to drop the rate of VAT on e-books.

The petition should be to get the UK to reduce it like France and Turkey.

Neil

Edited By Neil Wyatt on 17/01/2019 18:01:37

Neil:

Thank you for drawing this welcome development (which I had missed) to my attention; I suppose that "false news" is slightly less reprehensible than "fake news"!

I gather that the relevant Directive is 2018/1713 of 6 November 2018 which came into force as recently as 4 December and it is perhaps not surprising that there is no obvious mention on the gov.uk website. Ebooks are now on the same footing as printed books and, as you say, the UK could choose to reduce the rate of tax; in fairness, this should be zero. Whatever rate is applied will still be "imposed by EU law".

I agree that the petition is badly drafted but the principle is worth supporting.

17/01/2019 16:57:44

13 with mine.

I believe that printed books are zero-rated rather than exempt; let's hope that the government response is not to level up! In any event, the VAT on ebooks is imposed by EU law.

Edited By ega on 17/01/2019 16:57:58

Thread: Free Electricity
17/01/2019 16:45:13
Posted by Speedy Builder5 on 17/01/2019 15:10:07:

...Things all changed when he finished his dockyard apprenticeship and started as a draughtsman at Short Brothers in Rochester.

I assume that the subject matter of his work at Shorts was rather different from that at the Dockyard. Was the move from choice or simply the end of his apprenticeship?

There are several period photos of the Shorts factory on the Britain from the Air website:

https://britainfromabove.org.uk/en/search?keywords=Short%20Brothers%20Rochester&country=england&year=all

Thread: Best value parting tool for mild steel?
17/01/2019 13:59:01
Posted by Ross Lloyd 1 on 17/01/2019 12:21:07:

I am wondering if I weakened it with the method I used to install the tip. I could not find anything online about the correct way to install the inserts, so I placed it in the lathe, then held a small cylindrical piece of stock between the insert and a workpiece I had in the lathe. I had the cyclindrical piece sitting well below the tooltip and then applied pressure on the cross slide to push the tip into the holder. Could this have weakened it?

I bought the holder and insert from RDG: **LINK**

Cheers

I doubt if it did. That said, both brands of which I have experience - Sandvik and Iscar - provide insertion/removal tools. I think you may find that the bottom hole in the holder in your link is the fulcrum for such a tool.

Thread: New Bandsaw Gloat
17/01/2019 09:55:05
Posted by ChrisB on 16/01/2019 21:03:05:

Fast forward to 2:20 to hear it working:

**LINK**

One reason the bandsaw in the clip seems rather noisy is that the workpiece is in the "wrong" position in the vice; when the blade reaches the vertical leg of the angle being cut the noise increases along with the danger of stripping teeth from the blade.

Thread: Colin Chapman - Great Lives, 4:30 today
16/01/2019 13:51:47
Posted by Juddy on 16/01/2019 13:00:35:

The word tifosi is the Italian word for Fan.

It's plural and according to Wikipedia:

"Etymology. Tifosi literally means "those infected by typhus", in the sense of someone acting in a febrile manner. Football. The word is mainly used to describe fans ..."

Thread: lathe to cut 26tpi
16/01/2019 13:47:28

Michael Gilligan:

Thanks for the interesting Bird & Bird link with its reference to the footwear industry.

My light-hearted from-memory comment requires a small correction: the back of the boot label actually says "Made in Romania" (my italics). I think that in today's conditions what would weigh with me is a reliable indication that a reputable organization had verified the quality of the entire product wherever its components were made or assembled.

An example might be the Brompton folding bicycle whose frame is guaranteed for life. At one time production was outsourced to the Far East but was later brought back to the UK because of quality problems. However, I understand that the titanium front and rear forks of the lighter weight models are made abroad satisfactorily.

Thread: Colin Chapman - Great Lives, 4:30 today
16/01/2019 11:21:58
Posted by Phil Whitley on 15/01/2019 19:35:24:

I'll get that on listen again! Bumped into Colin Chapman after the 1977 Italian Gp at Monza ...

Stirring stuff! The Italian cycle race fans are known as "tifosi", apparently because their enthusiastic behaviour resembles the symptoms of typhus.

Thread: lathe to cut 26tpi
16/01/2019 11:03:36

My expensive walking boots claim to be "Engineered in Italy"; not readily visible on the back of the label it says "Assembled in Romania".

Fortunately, my feet can't read!

Thread: Colin Chapman - Great Lives, 4:30 today
15/01/2019 18:45:16
Posted by Rob Rimmer on 15/01/2019 18:41:03:

Repeated on the 18th at 23:00 in case you missed it (as I did).

Or listen now on BBC Sounds.

Thread: nylon gib strip grub screws?
15/01/2019 18:08:36
Posted by BW on 15/01/2019 02:57:45:

I have seen a note somewhere where a chap made a diy version by drilling a hole through the screw and depending upon size of hole used some fishing line or whipper snipper cable as the plug.

A letter in one of the recent magazines ? Cannot remember.

Bill

This idea was also presented on the Practical Machinist website and I can vouch for its efficacy. The screws are best drilled using a simple jig to hold them and align the drill. If "whipper snipper" is the same as strimmer then that is what I used!

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