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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: Myford Gear Spacers
25/07/2021 21:34:18

So far as I can see, these spacers are not applicable to the gearbox model with its preset hardened steel gears but they are specified for the metric conversion set.

Ignatz: were yours made with a punch and die?

Thread: Royal Mail Tracking Numbers!
24/07/2021 14:39:45
Posted by JasonB on 23/07/2021 13:16:28:

Probably all the staff have been pinged

Pingu - to think that one little emperor penguin could cause so much bother!

Thread: Is there a chart for drill hole dia vs. boring bar size?
24/07/2021 14:33:16

I, for one, would like to see Clive's boring picture (and to know what MichaelG uses to do the conversion).

PS The OP would do well to read GHT on this topic generally.

Edited By ega on 24/07/2021 14:34:37

Thread: The beginnings of Mobile Telephony
23/07/2021 14:33:44

According to the New Oxford Spelling Dictionary, it's cellphone.

Handy in German seems to be an importation from English; no doubt they are more or less permanent extensions to the hand in both countries!

23/07/2021 11:01:44
Posted by Tim Hammond on 21/07/2021 19:03:01:

Here's a point for the pedants among us: in the early 2000's I was employed at the Southampton Goods Vehicle Testing Station and in the test hall were several notices informing the customers that the use of portable telephones was forbidden in the hall. Quite right really, as the instrument cannot move a millimetre by itself. Perhaps we should start using the American term "cellphone".

The French for mobile phone is "téléphone portable" or "portable " for short.

I'm surprised that the Americanism has not caught on here in the UK.

Thread: Hi everyone
20/07/2021 15:18:56

Ian Rabenda:

I'm afraid I can't help with the date of manufacture of your lathe - this is the kind of point that owners' groups are often good at, however. I notice that, unlike the Willson, the Elliott doesn't carry its serial number on the headstock chart but no doubt it is stamped on the bed, etc.

My impression is that, apart from the bed, the major components of our lathes are broadly similar. I have worked on most of these except for the headstock and might be able to help with your outstanding queries. Shame you didn't take more photos!

Thread: Bed stop clamp
20/07/2021 11:26:53

Not official or a bed clamp but this simple device has served me well for years:

dscn2018.jpg

dscn2019.jpg

The Super 7 gearbox prevents the even simpler solution shown in an earlier post. For the same reason, it is necessary to have a selection of stop rods of graduated lengths.

Thread: Hi everyone
19/07/2021 10:00:38

Ian Rabenda:

I have a Willson Mk I slantbed no 13582/906 and, like you, also invested in the manual from lathes.co.uk.

I think we are a minority on this forum; have you any experience of the ElliottMachineToolOwnwersGroup (sic)?

Thread: Back gear and bull wheel for myford ml7
17/07/2021 13:44:19

Sparey's idea can also be used for the Super 7.

Thread: Ml7 toolpost
14/07/2021 12:33:55

I have just measured the flange of a similar part at 0.8935" diameter. The flange is 0.220" thick.

I think these studs are a light press fit as standard but am doubtful about the idea of making it by "dead reckoning".

Thread: Tool post height
13/07/2021 11:06:49

Vic:

What is that beautiful finish?

Thread: Powder coating quality of finish
10/07/2021 18:16:48

Sam Spoons:

May we know the make of your magnesium frame, please?

I'm curious because I understand few makers have opted for this material.

Thread: Tool post height
07/07/2021 17:51:10

The early Myford rear tool post employed the rocker principle.

AFAIK, they never offered a lantern front tool post - best left to vintage American machines.

07/07/2021 11:02:12

I admit to *not* having used a QCTP but have always thought that an indexing four way tool post is actually *quicker*.

Thread: Which grease?
03/07/2021 09:31:50

If you service your Myford Super 7 cross slide regularly, as you should, then the screw can be oiled at the same time as the dovetails are dismantled, cleaned and lubricated.

The same applies in principle to the top slide although I suppose they are wound in and out much less.

If grease were desirable for either I think Myford would have said so in the manual.

Thread: SIP 14" Professional Bandsaw
01/07/2021 11:17:28

Having been caught out many times before, I now try to remember to take notes and photos as I dismantle.

Good luck!

Thread: Fractal vice
26/06/2021 11:10:06

Is this wonderful vice design actually based on fractal geometry?

There is a degree of self-replication in the jaws. What was the state of fractal science at the date of the patent? Mandelbrot came along later, I think.

Thread: dirty clutch trick
26/06/2021 10:41:03

PS The Tri-Leva in the video has an interesting non-Myford gearbox - possibly a Sparey.

26/06/2021 00:05:17
Posted by Bill Davies 2 on 25/06/2021 19:45:41:

Slightly off-topic, here is a description of the Myford Tri-Lever:

Myford Tri-Lever descritption

Bill

Thanks for the link which seems to show I was wrong in my earlier post (I have better success in spelling its name!)

25/06/2021 17:55:15
Posted by DMB on 25/06/2021 17:12:14:

Same principle used by Myfords on their tri - lever ML7. Three slack belts with one at a time tensioner by jockey pulley actuated by a lever, hence "tri-lever." They were the final drive to the mandrel. Good at the time but old hat now, thanks to VFD.

Am I right in thinking that the two slack non-driving belts were trapped clear of the pulleys in some way ie not *just* slack?

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