Search Results for 'zan'

[Nigel Graham 2Participant @nigelgraham2]

ZAN –

Camp-sites.

My first full weekend at the show was pricey as the only site I could find was a fairly posh one near Starfford-on-Avon. However, I have found another, and used it for about 3 years running (BC!) ]

It is only a few miles from the Show Ground, too: Churchlands Farm, on the fringe of the village of Harbury.

Basic, low-cost, no frills – the loos and showers are or were when I last there, in converted shipping containers; and the entrance is slightly disconcertingly through a small industrial estate. Not too far to walk to the pub, either, which I hope has survived The Pestilence.

A lot of the other campers, the owner told me, are HS2 builders staying in caravans for the week, going home at weekends. (The route passes near to the village.)

Try them: 07904 496940

[HowiParticipant @howi]

to anyone thinking of getting a hand grinder, don't! unless you have muscles like Tarzan.

It takes so long to get a fine grind, I have run out of desire for a coffee and want something stronger!!!!

They are a real pain in the a**e to use and need constant adjustment.

Go elextric unless you are a glutton for punishment.

The oither cheaper alternative of course is to buy the coffee already ground……..

[SillyOldDufferModerator @sillyoldduffer]

My limit is about 500kg, but I suppose it depends on what the bottleneck is. Could be money, power, space, or access. In my case, it's space, unless I spend big money and move house. As it is, I have to fit my whole workshop plus other bits and pieces into a bit less than the size of a single-garage. (Tiny British garage, not one of those lovely giant American things!) There's not quite enough headroom for a Bridgeport. Quite a few advantages – easy to keep warm, and I didn't have to upgrade the power apart from the lighting because the machines are all modest. But it's at least 50% smaller than I'd like.

More a private museum than a workshop, but the largest I've seen belonged to the retired owner of a building company. He collected big ex-industrial lathes, at least 20 of them. I remember looking at a DSG with a chuck big enough to spin a Myford Super 7 and wondering how on earth the chuck was changed without a crane, which he didn't seem to have! The building covered an area about the size of two tennis courts and was purpose built with interlocking concrete piles, with a mezzanine floor, a large industrial door, and corridor space for a big fork-lift. Power from a substation under a pylon, which I guess fed the rest of the site, which seemed to be making large pre-cast concrete panels, pillars and other hefty stuff. Secure fenced site, with access and turning for the biggest trailer lorries.

Although the building was industrial, I guess it would cost a couple of million to buy new. In fact, much cheaper because the piling was surplus, he owned the land and the equipment needed to erect it, and could divert employees to work on it whenever business was slack. Most of the lathes were picked up gratis from his trade contacts. Although they all had power, as far as I could see only one machine was actually being used.

At the time I owned a mini-lathe…

Dave

Edited By SillyOldDuffer on 16/09/2022 19:53:14

[ZanParticipant @zan]

Doc, regarding tool bit grinding, you may like to see my post and phots of my simple grinder rest in this thread

lathe  carbide tool issue

sorry, can’t find out how to post a link to it 

please contact me if you want more details

 

Edited By Zan on 12/09/2022 13:38:44

[ZanParticipant @zan]

The critical dimension is the platform top should be 10 mm below the wheel centre the slider with the adjustable angle is 6 thick, and the tool holder is 8 mm thick . Note the tool is located by a 6 mm square riveted to the base , and is sized so the tool is able to be located on the front or side Springs push the top plate up to release it when the wing nuts are loosened.

I also have holders for small round shanked preformed boring bars and other round tool bits

Jason, yes I agree about some can work well with carbide with this lathe, but I was echoing earlier posts about the lack of power, its lack of rigidity and the op had success with HSS

 

Edited By Zan on 12/09/2022 13:30:32

[ZanParticipant @zan]

200 mile trip twice fir me with trailer as I’m exhibiting I was going to stay and steward but they won’t let my camper stay on site and other sites are too expensive. Shame, but still looking forward to it

 

edit.  I will be bringing my bigger drills. Thanks for that!

Edited By Zan on 10/09/2022 13:51:31

[SillyOldDufferModerator @sillyoldduffer]

Posted by Zan on 10/09/2022 09:10:49:

Agreed, my apologies I missed that photo but why then did doc say

“Got the metric step diameters spot-on (at least to the 0.01mm accuracy of the calipers)” when there’s a micrometer I wouldn’t trust my mitutoyo calliper for measuring here but would use my digital Mitutoyo……. Still impressed though!

One of my hobby-horses is the difficulty of getting high-accuracy measurements right. No criticism of Doc's work, which is much better than mine, but I fear he's stumbled into error by claiming an accuracy greater than that of his instrument! Although the resolution of his caliper is 0.01mm, implying an accuracy of ±0.005mm, Mitutoyo's stated accuracy is only ±0.02mm.

I don't think the inaccuracy matters for what Doc is doing, but it might if several Docs were working separately to build a Princess Royal, each being responsible for various different parts to be brought together and assembled later. It doesn't matter because although Doc's slip gauge stacks aren't accurate in absolute terms, they ensure a high-level of repeatability in Doc's workshop, and I'm sure his finished engine will be wonderful.

Historical diversion: I think the Princess Royal engine must be named after Queen Victoria's eldest:

Her son is more famous!

Pictures: Thomas Heinrich Voigt, Public domain, via Wikimedia Commons

Dave

[Clive Brown 1Participant @clivebrown1]

Posted by Zan on 29/08/2022 13:52:20: Could be missing the motor Mount. Ot it’s top left. Different from the ones I kno

It seems a very early machine where the belt is tensioned differently from later bench models. The adjuster is positioned in front of, and below, the headstock. There's a hole visible in the LH foot for it to pass through to the rear of the lathe.

[HowiParticipant @howi]

Posted by Zan on 06/08/2022 22:26:28:

I am a bit confused here. What’s the advantage? I touch my DRO consoles to change any setting by pressing the buttons. Why is touching a screen better? Will greasy fingers or gloved hands still work it?

Then there’s a tablet to ensure it’s charged, and will probably need turning on rather than automatically comming on with the machine

seems to be a lot of effort for not a great return. Please explain

it's cheaper, repurposes old items you may have lying around, works with cheap scales and does what it was intended to do.

if you are lucky/rich enough to already have or can afford a commercial setup, lucky you.

Others may not be so fortunate, or prefer to use a diy solution and derive great pleasure from building it themselves.

after all, isn't that what we do?

it's not always about how deep ones pockets are.

Quote "there are non so blind as those that do not want to see"

[vic neweyParticipant @vicnewey60017]

Posted by Michael Gilligan on 24/06/2022 20:57:45:

Is this any help, vic ?

**LINK**

https://www.furniturenmarkt.de/Spannzangen-BOLEY

… aside from making you feel fortunate.

———————————————–

Thanks for all replies

MichaelG.

I think that is definitely of help as it gives it as a 13 X 1mm thread. I also got included a smaller number of 15mm Crawford collets and although the thread is still 1mm they don't screw in properly in the drawbar without jamming after 2 turns so there must be a slight variation to the cut of the threads

Buying a tap and die is a bit risky as it's unlikely to fit both but it's the Boley ones I'm more interested in.

[Michael GilliganParticipant @michaelgilligan61133]

Is this any help, vic ?

**LINK**

https://www.furniturenmarkt.de/Spannzangen-BOLEY

… aside from making you feel fortunate.

MichaelG.

[Nigel Graham 2Participant @nigelgraham2]

I will castigate you neither for the choice of car nor the ingenious machine-bench!

Regarding 1/ and 2/…..

Include Zan's advice and add the thick worktop material the full length of the chest, so the lathe is on a much more rigid board and its weight is transferred from the flimsy top to the vertical sides and legs.

'

For the rest – yes, concrete piers under the shed floor. When I installed a Warco drill/mill and a small lathe (a Sphere I think from memory) in a wooden shed I used brick plinths cemented to a concrete slab I'd laid before erecting the shed. I also put rigid plastic plates on top of the bricks as damp-proofing and for some resilience. I did need use a modicum of steel packing above those, for level.

Steel fence-posts driven into the ground, if that is just earth, may corrode away in a few years. Timber will have a shorter life still. If you want a longer-term version you could sink pieces of large-diameter plastic drain-pipes vertically into the ground and fill them with concrete, with a suitably-placed piece of stainless-steel studding projecting from each to give anchor-points for the bench. You may be able to obtain off-cuts of pipe from a local builder.

[ZanParticipant @zan]

Hmmm no holding down bolts. FIT THEM!

Myford lathes with the motor hung on the back have the centre of balance only just inside the rear foot and it doesn’t take a lot of extra loading to tip them over.

yes. Fit a solid under floor under the wood of the shed, but be certain about the location. If you are getting a proper stand then it’s not worth strengthening the chest unless the lead time is more than a couple of months

as a temp measure fit and fix a scrap kitchen worktop under the lathe. That will give something fir the bolt anchor points The drawers prob have a thin flimsy top, but only you know that!

Edited By Zan on 05/06/2022 10:12:09

[John PurdyParticipant @johnpurdy78347]

Does anyone know if the castings and drawings are available from any place for Les Chenery's 3 cyl. Anzani aero engine?

John

[ZanParticipant @zan]

I believe the original had cylinder and chest cast as a single unit. So these are 5x6ba gunmetal r head fixings to hold the chest down.

there is a clear section in the centre of sheet 6

the view  of the chest bottom left on the sheet shows they clear the spindle. 6 holes”a” to fix to cylinder etc

 

 

 

edit. Typo

Edited By Zan on 15/05/2022 13:13:51

[Nick WheelerParticipant @nickwheeler]

Posted by Hopper on 24/04/2022 11:05:47:

Posted by Zan on 24/04/2022 10:57:02:

…

but why

does it take such a long video?

He's an old guy pottering around in his shed, not a videographer. Tis the nature of much of YouChoob.

He's a retired teacher, so explains what he's going to do and why, then demonstrates it and finishes with another explanation. Just like any competent trainer, and not the self indulgent Youtubers who don't know when to shut up

[HopperParticipant @hopper]

Posted by Zan on 24/04/2022 10:57:02:

…

but why

does it take such a long video?

He's an old guy pottering around in his shed, not a videographer. Tis the nature of much of YouChoob.

[Peter Cuthbert 1Participant @petercuthbert1]

Hi John

Many thanks for the post and words of wisdom. I had been thinking a bit about condensing though from an idleness point of view. If set up properly it should keep the boiler water level spot on without the need to faff. However, my reluctance at the moment is, as ever, from ignorance. The plan for this canoe hull is to have splitable into two or perhaps three pieces. The designers do that with some of their other designs so will show me what is needed if I go that way. I'm not sure how I would get a condenser to go with that. The reasoning behind splitting is to do with weight, space and age. Whilst I try to keep fit, as a small old bloke the amount I can lift is limited so the canoe in two or three parts is at most 20kg per bit. The engine and pumps should be below 20kg and removable. The coil boiler is also under that limit if I get the one I am thinking about built. The space issue is essentially to do with winter storage which will be the mezzanine 'shelf' in the garage which is not big. Transport is also an issue and a trailer is out of the question as there is nowhere to keep it. Thus all the bits must go inside the VW and leave room for passengers.

Happily I am now in the position where I have the plans for the canoe, the boiler and now the engine, though minus the pumps. What is needed is to find the time to pull all the pieces together and see that they will all fit. I'm not sure when that will get done as there seems to be so much going on here. This is a badly built 1930s house and seems to be in permanent need of being 'fixed'.

Going back to the pumps issue, I quite like the idea of fitting a 1:4 gearing on the rear shaft of the engine which will put the bigger gear directly below the small gear. That can drive a single eccentric which can activate the two pumps that will be horizontal and effectively down by the bottom of the engine base level. That fits well with your observation.

All the information I have been collecting about the Cygnet suggests that 500-600 RPM would be a normal working speed so I need to go back to my propeller calculations and see what the higher speed produces. I suspect that will be a much smaller prop which will fit in better than the original proposal.

Regards

Pete

Edited By Peter Cuthbert 1 on 31/03/2022 21:46:35

[Dr_GMJNParticipant @dr_gmjn]

Posted by pgk pgk on 16/03/2022 11:46:40:

Poo happens! It's a question of who gets the blame.

Back in the late 60's my local council of the time built a new set of council offices at a huge cost. They'd got to the second floor when checks revealed that the foundations would be inadequate and the whole thing was knocked down and re-started. A junior was sacked. Who would have thought that a multimillion pound project woudn't have its structural calculations cross-checked? Yeah, likely.

My last year at college and a mate who had graduated and was working as a surveyor on the new Euston railway station told me he discovered a room the length of the mezzanine and a few feet wide with no doors or windows..

pgk

I drove past this place every week, watching it gradually get bigger, then one day it seemed to be getting smaller again…it’s almost finished now:

**LINK**

[David-Clark 1Participant @david-clark1]

Hi there

Split pasting as too long

i am self taught,.

I started reading Model Engineer in the school library at 12 years old, and learnt by reading all the articles.

I did not get a home workshop for many years. With the knowledge learned I started factory work at 15 and was a factory foreman at 18>

The manager was a total twat. He would sit in the office trying to work out how many hand washes we should be getting out of a bar of soap.

So I became foreman because despite having all the papers he did not want to get his hands dirty on the shop floor. He eventually left to start his own engineering consultancy. As far as I could see was his only engineering skill was breaking into his old Rover Car on a weekly basis because because he had looked his keys in again.

When he started as manager he started by clearing the rubbish out of the factory mezzanine floor.

We got all the rubbish outside and burnt it but we also threw loads of swarf on it. This was on a Saturday morning and we clocked out at lunch time. Monday morning he moaned he was stuck there until 7pm Saturday evening because he could not get the fire out.

I went on to self employment as a turret miller a few years later. Never done turret milling before but soon learnt. A turret mill was just a large vertical mill, most commonly a Bridgeport mill. This was over 40 years ago and I was earning £300 ro £400 a week back them, a lot of money.

I next got a job as a CNC miller. I had no idea how to program a CNC mill but the boss said the other miller would teach me programming Monday morning arrived and I was put to work operating the mill. Tuesday the man training me didn’t arrive. He phoned in sick. He had shingles and he was off for 6 weeks with shingles.

The company only had two CNC mills so they gave me the machine manual and said basically get on with it.

On the first day, I broke one drill but I was off. I had an interest in computer programming at the time, still do. So I used to write Quick basic programs that I could convert to Heidenhain, the programming language used by that particular CNC controller maker. I wrote programs that automated the creation of programs to mill a hexagon. Enter the diameter of the cutter and the hexagon AF size and the program would mill the hexagon and move to a safe position and stop. Program resize took about 30 seconds instead of the usual 30 minutes, Another one did flanges where it drilled the 3 holes and milled the profile.

About 6 weeks later my “trainer” came back. He was upset that I had taught myself without him. He left a few weeks later.

Some time later I went for a job as a Fanuc control CNC miller. I did not have a clue how to program in G code. Yes, you’ve guessed it. I taught, myself. I took the manual home overnight, read it, Made a cheat sheat on a floppy disk and a printout and started work

[pgk pgkParticipant @pgkpgk17461]

Poo happens! It's a question of who gets the blame.

Back in the late 60's my local council of the time built a new set of council offices at a huge cost. They'd got to the second floor when checks revealed that the foundations would be inadequate and the whole thing was knocked down and re-started. A junior was sacked. Who would have thought that a multimillion pound project woudn't have its structural calculations cross-checked? Yeah, likely.

My last year at college and a mate who had graduated and was working as a surveyor on the new Euston railway station told me he discovered a room the length of the mezzanine and a few feet wide with no doors or windows..

pgk

[Mark RandParticipant @markrand96270]

Indigo Rose have an interesting smokey flavour until they are too ripe.

San Marzano is a good plum tomato with a a nice flavour for use as a salad tromato as well as a cooker.

Both are non-Ft types. and the seed keeps for a long time if you keep it bone dry after fermentation.

Sweet Million F1 is a good sweet cherry tom, but prone to splitting at the slightest provovation.

Sweet Success F1 is a good Sweet cherry tom with a thicker skin.

[PeroParticipant @pero]

Hi Zan

Not sure of their current status but they were operating in October 2017 when I made my last kit purchase – Sir William – which was subsequently received with no issues.

I did do a quick search when I saw your post and the only direct reference I found was an undated note to say they were updatng their website.

Perhaps an email or phone call might help to clarify matters. The last contact details I have available are :

[email protected]

Sorry, I don't have a phone number but I am sure someone on here will be able to help.

Best of luck

Pero

[ZanParticipant @zan]

You answered your own question. Regrind (grind away, reform, remake) when it gets too small! Or needs too much effort to get it up to centreheight and still be able to see it cutting

Touch up grinding is done exactly the same way ( face or side) as the initial grind…….

 

Edited By Zan on 20/01/2022 20:36:14