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Member postings for daveb

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

Thread: Ultimate Universal Machine ?
27/07/2020 22:35:21

Very nice too!

I do like multi function machine tools.

I have one of the Meyer & Burger S models with some accessories, be nice to have all of them but I would need a lottery win (and a bigger workshop). It seems to be a very capable machine for its size.

I bought a used Impetus (Metalmaster) machine a few years ago, very compact and also with adjustable height headstock. The idea of this was a one machine workshop, with the optional drill attachment, it would do that well. It deserved to sell a lot better than it did.

I doubt that there will be much further development of machines of this type. A CNC spindle and workholder can do everything they do and more.

Still some fascinating stuff out there though!


Thread: Alba 1A advice
05/07/2020 22:24:32

There are old new Alba shapers and newer new Alba shapers. The later versions all have the motor in the base. Older versions (some were fitted to a precarious looking pillar) may have the motor fitted to the rear of the machine or may have no motor at all but were driven by a lineshaft or wall mounted countershaft. There are detail differences between some of the older ones. Power crossfeed was fitted to all machines, vertical feed was an option.


Thread: New Nimrods arriving
06/02/2020 15:19:46
Posted by Robert Atkinson 2 on 06/02/2020 07:30:50:

Thread drift alert

What probability did you put on getting shot with a six shot revolver an one round? If it was 6 to 1 against you were wrong. With a conventional revolver, 1 round loaded and held upright the odds of the round being under the hammer when the trigger is pulled are much less than 6 to 1 This is because the single round unbalances the chamber and it will naturally tend to stop at the bottom.

Robert G8RPI.

If the cylinder spun freely you would be correct but the HAND (the pawl or lever which rotates the cylinder) drags on the ratchet so I would not depend on the loaded chamber being at the bottom

Thread: VFD Question
08/01/2020 10:20:37

Most of the low cost inverters output 220/240v 3 phase. A 415v 3 phase motor needs to have the windings connected in Delta to operate with these. If the windings are Star connected, they are effectively in series. There are 220v in/415v out inverters available but they are expensive, it is cheaper to reconfigure the motor windings.

Thread: Making a ring mandrel- jewellery tooling
03/01/2020 21:51:55
Posted by Bill Phinn on 03/01/2020 01:16:36:

daveb, relatively few high street jewellers these days fabricate rings (as opposed to having them cast or buying off-the-peg castings) and even fewer fabricate them on site. This means that even routine jobs like resizing increasingly have to be sent out. "Sent out" can mean somewhere like or as far as Hong Kong

Thanks Bill, that is why I did the job myself. It is getting very difficult to find tradesmen who actually know their trade. I now have so many skills that I can make anything except money. I intend to start an engraving project next! nerd

02/01/2020 21:09:05

I asked at a jewellers about making my gold wedding band a bit bigger (my finger is fatter than it was 40 odd years ago). I got a very negative response, the guy said he would have to send it off for an estimate. I decided he could do without my business and did the job myself with a no.3 morse taper and parallel no.3 morse taper socket (as used in turret lathes). Gently tapping the taper into the ring whilst supporting it against the socket, turning it over and checking the size often. This did the job without marking the ring and I finished up by holding the ring on the taper in the lathe and polishing it.

Thread: Kity Woodwork Machine Switch
02/01/2020 20:35:30

Fit a DOL starter switch at the edge of the bench. Connect the existing plug lead from the motor switch to the OUT terminals and the original plug lead (or a longer one) to the IN terminals.

Edited By daveb on 02/01/2020 21:14:50

Thread: Bolts & Screws using friction only to hold (or fluted)
01/01/2020 15:10:24

Reshape the hex head of a M20 machine screw and cut a screwdriver slot in the threaded end so you can hold it to tighten the nut.

Thread: Abracs Quick-lock abrasive tool
29/12/2019 20:19:23

Is this the same as the Clik system used by Dremel?

Thread: Satellites going over Kent Sussex
29/12/2019 20:15:43

Took me back to standing in the garden with my dad waiting for Sputnik to appear.

That was a few years ago.

We saw it too!

Thread: Have you got one?
27/12/2019 23:00:43

The bit with the 'flag' should be the other way round.

Thread: Alexander master toolmaker
21/12/2019 19:43:43

Don't know what the gibs are like on the Alexander but it happens occasionally with Bridgeports, it's caused by the knee gib breaking and locking the knee.

Thread: Build a watchmakers lathe
12/12/2019 13:58:33

There was a design for a watchmakers type lathe in one of the early MEWs.

Issue 7, reprint on this site, black bar near top of page, click workshop, click tools, click simple lathe.

Edited By daveb on 12/12/2019 14:07:46

Thread: Chuck backplate mistake
10/11/2019 19:29:18

I've always made the hole as snug as possible because it seemed to me that was how it should be. One of my original Myford supplied chucks was so tight it needed a light scrape before it would fit the spindle. I read several arguments about the fit, more than one stated that the hole should not be a close fit because the register was the back face and not the bore, the thread took care of centralising the chuck. Several of the aftermarket backplates I've bought are a good rattling fit despite which the chucks seem to fit with acceptable run out (for a 3 jaw chuck).

I wouldn't worry to much about a smidgin but you need to keep it below a gnat's whisker.


Thread: Silent compressor problem
30/09/2019 17:46:23

Bambi compressor BB24V

Thanks everyone. Capacitor seems OK, I fitted a new one, no difference. I previously used it with my Bridgeport Spraymist system, the air usage of which is fairly low. I noticed the compressor getting hot when I was blowing out some carburettor drillings which emptied the reservior two or three times, perhaps I'm expecting too much of it.


25/09/2019 22:37:20

Oil level is 1/2 way up the sight glass. After 10 minutes running the casing is much too hot to touch. Motor cuts off when pressure in tank reaches 100PSI. No noises except click when motor starts, very slight vibration when running. I haven't used it much, I bought it to use with my Bridgeport Spraymist coolant system, don't think it was running hot then. There is an external capacitor, I will replace it and see if matters improve.

Many thanks, help most appreciated.


24/09/2019 22:16:18

I have a Bambi silent compressor. I used it recently for about 10 minutes and the compressor unit is running VERY hot. The oil level seems OK. Is this a fault or do they normally run hot?

Thanks. Daveb.

Thread: Warco GH600
25/08/2019 21:59:50
Posted by Howard Lewis on 11/08/2019 15:21:41

Many years ago, a German made pencil sharpener operator manual said "Sharp points, unobjectionable upon pencils are"

One of Obi Von Kenobe's previous jobs?


Thread: A Unique Word?
27/04/2019 14:00:36
Posted by Guy Lamb on 27/04/2019 12:35:44:

I wonder if anyone on this forum suffered being taught the Initial Training Alphabet (I.T.A.) in the late 60's / 70's

as I did ? The experiment was a dismal failure that condemned many children to a life time of misspelling . Thank heavens for 'speel cheack'


My children suffered the ITA, still suffer from it now!

In the 50s, I was taught cursive script (joined together writing). This changed to Italic, which meant I had to do non-joined together writing.

As a result, my handwriting is atrocious, a strange and indecipherable mix (Curtalic) which is difficult even for me to translate. (spelin is OK tho)


Thread: What Did You Do Today 2019
20/04/2019 21:42:25
Posted by duncan webster on 20/04/2019 11:01:56:

but the glass is brittle from day 1. I got some lengths of glass tube for a sight feed lubricator from a scientific glassblowing company in Chester, might have been these men **LINK**

They supplied cut to length and flame sealed. If not google is your friend

Edited By duncan webster on 20/04/2019 11:02:25

Thank you Duncan, useful info.


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