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Member postings for Nicholas Wheeler 1

Here is a list of all the postings Nicholas Wheeler 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Collet Chuck for my CL250M?
25/02/2021 11:55:04

Swapping the studs between chucks is daft. I loctited short lengths of studding in all of mine that didn't come with the lathe. I did the same with the mini-lathe when I had it.

Thread: ML7 Hand Crank / Wheel?
23/02/2021 20:18:49
Posted by Dr_GMJN on 23/02/2021 19:52:13:
Posted by Nicholas Wheeler 1 on 23/02/2021 19:42:36:

When I need to to use a bigger tap on my WM250 a 17mm open spanner on one of the chuck jaws works well...

Thanks Nicholas - I keep a large adjustable spanner handy too.

For the work I’m doing it’s small stuff - I’ve only got dies up to about M10, but can’t remember using anything like that big so far.

That's pretty normal for me; I think of M5 as small.

23/02/2021 19:42:36

When I need to to use a bigger tap on my WM250 a 17mm open spanner on one of the chuck jaws works well...

Thread: Confusing t-slot dimensions
21/02/2021 09:44:42
Posted by Journeyman on 21/02/2021 09:08:27:

You can make T-nuts using the lathe, saves a lot of filing compared to normal rectangular ones!

t-nut.jpg

More detail ** HERE ** if required.

Also true if you have a small milling machine; power feeds and larger cuts save a lot of boring work. It's also a good way of using up stubs of material that are unlikely to be of any other use.

Thread: Skynet is Coming
20/02/2021 23:15:31
Posted by Georgineer on 20/02/2021 21:27:21:
Posted by Bazyle on 20/02/2021 13:37:45:

"The coincidences of discussing something completely random and then being confronted with a connected advert". Sorry Mike I have unfortunately disproved this. I keep shouting "Beautiful Naked Ladies" but so far no connected adverts at all.

Check your Safe Search settings. They're probably set to "Prim'".

Which was probably meant to be "Pimp".

Wrong spectacles perhaps?cheeky

20/02/2021 10:48:57

Posted by Zan on 20/02/2021 09:56:11:

My dishwasher annoys me, we only use one program but it has to be selected with three button ( extreme left, centre then extreme right ) presses not one if you hit the wrong button in the centre the so called eco program runs for 3.5 hours not our normal 29 min......

my camper van control unit had only three buttons one to cycle through then select with another then back to the first to cycle through the changes you need. So frustrating when you miss the thing u want. It failed, repaired, failed replacement costs £300 . So I , ripped it out n replaced it with switches

Four button control panels for multi-function devices annoy me far more than unnecessarily 'smart' ones. You don't have to connect smart features, but are forced to remember which one of several complex sequences of button presses whilst singing the Elbonian national anthem backwards at half speed in a minor key changes from automatic to manual. That's dreadful design, compounded by not having a clear, hardcopy instruction manual.

Touch screens should have reduced this, but the emphasis seems to be more on making the icons look pretty rather than actual use.

Thread: TOPIC VARIETY
20/02/2021 10:34:36
Posted by br on 20/02/2021 10:04:17:

ME editor is as quiet as a church mouse.

This forum is dominated by MEW topics.

A forum for ME and one for MEW would make life simpler.

As another member posted, he has taken his loco build to MECH forum - reason given was lack of interest on here.

This forum's strength is that it doesn't restrict posts to a narrow range of interests.

I've been a member of ones that do, and still look in on others. They often have little traffic, or the same job is repeated over and over. Keeping them going is almost as hard work as reading them. It's like watching Youtube videos where every cut is shown in real time; necessary for a beginner's tutorial, but excruciating for anyone else.

Thread: Dickson holder storage
19/02/2021 18:07:45

This took about 20minutes and £5 worth of material:

rack.jpg

and

rackparts.jpg

Thread: Looking to learn CAD
19/02/2021 12:37:31

I won't argue with anyone that CAD programs are complicated, but that's also true word processors and spreadsheets.

What a prospective CAD user needs to be aware of before they start is the underlying concepts, both in general and how each program applies them, but I would suggest that they're a lot easier to understand than those needed for 2D drawing!

Thread: Mini Lathe leadscrew key size?
19/02/2021 10:19:21

By the time you've figured out how to clamp it to the mill, you could have filed it to size and fitted it.

Thread: What tool to use please
18/02/2021 11:46:55

Take the blank out of the lathe and using the angle grinder knock off the corners so it's 'rounder'

That will make your choice of lathe tool less critical because it doesn't have so much to do.

Thread: How Many People Does it Take to Change a Lightbulb on the Forum?
17/02/2021 18:06:41
Posted by peter smith 5 on 17/02/2021 17:38:42:

Bril......but 4 to turn the table around? Should be using B & C not ES.
50 yrs ago my grandparents got this new dangled lectric. My grand mother refused ( no pun intended ) to turn it on or off and I had to change said bulb. Yer cannot beet Aladdin oil lamp and trim wick. Shocking to have to wait till late 1960’s to get lectric lite. Still, going up the garden path, late at night when it’s pi..... down to have last pi... of the day when wind blows out candle, cos no inside loo was the norm. You had it easy!!!

I remember visiting my great-grandmother in the mid eighties, and her cottage and her brother's next door were without electricity. Lighting was gas downstairs, and oil upstairs. Outside toilet at the end of the garden.

17/02/2021 18:02:37
Posted by SillyOldDuffer on 17/02/2021 15:32:27:

I've started a support group for anyone who has been affected by the issues raised by this thread.

It's called 'Coping With In The Darkness'...

Fixed that for you....

Thread: Multi-part assembly drawing
17/02/2021 17:27:28
Posted by Nigel Graham 2 on 17/02/2021 14:22:54:

It takes far more knowledge to draw and print useably by CAD, a simple engineering object; than manually, and you need much innate ability to learn CAD skill; extra to the skills of designing and making which really matter. Software publishers are not good at helping anyone learn their products. Engineering and architectural CAD is really intended for professional draughts-people taught CAD (sometimes even taught to design) in professional trade or university courses. The MEW Alibre course was exceptional in the teaching aspect; at the other end of the scale, the Solid-xxxx publisher's web-site implies being not intended for private users anyway.

 

 

You have that completely back to front: just explaining the conventions for representing 3D objects on a flat piece of paper takes far more explanation than being able to orbit around a '3D' object on a screen. Fusion even names each of the six faces Front/Back, Left/Right, Top/Bottom which requires no explanation, and clicking on those rotates the object so you're looking directly at it. One simple sketch can provide all the information to produce a 3D part like a single cylinder crankcase. A quick outline, constrain the geometry, add dimensions and extrude - the same work as drawing just one face. You add features like holes, slots, bosses directly to the face they sit on - what could be easier? And that's before you start on more complex operations like lofting, sweeps, sections, surfaces or moving parts that are very difficult to do on paper.

This all dramatically reduces the skills that a designer needs to create complex and/or multi-part objects from scratch. Creating a 2D drawing is then a simple operation if it's even needed at all; many parts can be made on manual machines from the information directly available from the 3D model.

 

I had an hour a week of Technical Drawing when I was 13, 37 years ago. That leaves me able to read a drawing, but designing parts in 2D would take me months of instruction, practice and frustration before I ended up with something usable. This model is completely dimensioned, animated with all the clearances worked out over a couple of evenings:

 

second version v4.jpg

It means that the flat parts can be laser cut from the model, thus saving even more time.

Edited By Nicholas Wheeler 1 on 17/02/2021 17:32:46

17/02/2021 10:21:23

I use Fusion 360, and do the opposite; top down, where each part is modelled in place which leads to one complete thing per file

That does require careful use of components, but you should do that anyway, and I find it much easier than trying to join up lots of separate parts. You also have to consider the 10 editable parts restriction on free Fusion use.

Thread: Starting out a young enthusiast
15/02/2021 13:54:10

£3k on a Myford plus all the other sundries just to get an 11 year old started on his own is ridiculous. One of the smaller benchtop machines is probably more suitable, and much cheaper but spending a grand would still be easy.

So how about a 21st century approach?

Get him started with basic hand tools making/modifying parts, what they are doesn't matter. Learn how to work safely and well. That's what an apprentice did at the start of their career. A vice(one of the cheap workmate copies will do), hacksaw, small files and a means of using drills won't come to much if they're not already available.

Working on things like bikes is useful.

Meccano, LEGO technic, or similar are a good way of learning to assemble things that do something.

Download Fusion 360 and learn how to design things. Add a 3D printer to make some of them.

If he shows aptitude and is still interested, that is the time to be looking at small machine tools.

Linking up with like minded people in person dramatically reduces the learning curve, although that's not currently an option.

Thread: Tool grinder ways
14/02/2021 20:01:52

How about linear rails?

This is what I've been considering for the last couple of weeks, combining the sliding/tilting table of a Worden, a modified version of the tool slide for an ER32 spindle, and a Quorn style post mounted, brushless motor grinder-head. That's all modelled in Fusion 360, so I intend to start on it when I can afford the parts:

second version v4.jpg

I think the table and endplates are ideal candidates for laser-cutting, especially as I don't have the 3 and 6mm steel required, which should speed up construction time.

The whole thing sits on a 400mm square baseplate, that will probably be an offcut of Corian.

 

That picture is actually a previous version, the latest has simplified it a bit more.

Edited By Nicholas Wheeler 1 on 14/02/2021 20:04:49

Thread: Tufnol, Phenolic, SRBP, HPL, CGL, SGL
14/02/2021 18:40:20
Posted by larry phelan 1 on 14/02/2021 17:59:57:

I hate a workbench that has scratches on it ! Dont you ?cheeky

Several colours of overspray smudged around with brake fluid and thinners soon takes care of that....

Thread: Engineering / Modelling Books for Winter Evenings?
14/02/2021 17:09:03
Posted by Dr_GMJN on 14/02/2021 15:01:14:
Posted by Rod Clemett on 13/02/2021 13:37:34:

More generally, (and I don't know if it's already been mentioned above), I'd recommend "The Model Engineer's Workshop Manual" by G.H. Thomas. If I was limited to one single book on the subject, it would be that. I think TEE publishing still have some stock.

Is this a book of diy projects for machine tools/accessories, or is it more on lathe/mill techniques?

I read some reviews and, given the title, am confused as to what the book is about, especially since there's another book by the same name called "Workshop Techniques".

It's a bit of both. If you don't have a Myford, then it's not such good value.

Thread: Vfd advice please
14/02/2021 14:06:17
Posted by John Haine on 14/02/2021 09:56:02:

Well, Axminster sell a trade belt sander with a 750W induction motor; or a craft sander with the same belt size and a 370W motor. 3/4 HP looks about right. Both take 100mm wide belts, the trade one says the belt speed is 840 m/minute.

They're meant for sanding wood. If you intend using one to shape metal, as a belt-grinder, you'll quickly discover that they don't have enough power. Like trying to use an air-tool off a small compressor.

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