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Member postings for Ian Skeldon 2

Here is a list of all the postings Ian Skeldon 2 has made in our forums. Click on a thread name to jump to the thread.

Thread: Bushes Jim, but not as we know them.
17/07/2018 20:39:39

Hi

I am preping my back garden so that I might build a new, bigger and better workshop next year.

The problem I am having right now is bushes, how much of the many metres of root system do I need to dig out to ensure that they won't come back?

Is it just the main thick roots?

I have cut down a tree (lime I think) and new branches have sprouted from that in a matter of months, how do I kill the stump? and again, do I just need to get rid of the big roots to ensure success?

Thanks for any advice you can offer.

Thread: Looking for lathe mandrel test bars.
12/07/2018 21:07:59

You could try these **LINK**

Thread: Age related macular degeneration.
11/07/2018 22:17:11

I would advocate that everyone aged 60 and over along with anyone who has a family member with Glaucoma, to have regular eye tests, any good optician will pick up AMD, raised IOP, Cataracts and diabetic retinal changes along with other conditions,early on. If the refraction test shows that you need a new perscription, you don't need to buy your new glasses from that optician, and the perscription is yours to take away.

As Dick has said, if you google 'Amsler Grid', you should be able to print one out, if the lines are distorted in any way, get someone else to look at it, if it all looks square to them, you need to see an optician, fairly quickly.

Edited By Ian Skeldon 2 on 11/07/2018 22:19:07

11/07/2018 18:43:42

I'm afraid that all doctors are capable of having an off day just as engineers are, I know that's not a lot of help to Larry and maybe his GP could be a little more caring. The NHS spends more per head on over 60's than under 60's so care is not withdrawn or tapered off because of age. Sometimes with age comes weakness and so treatments that would have been available when the patient was younger may not be advised or offered for that reason.

AMD is on the increase because we are all living a bit longer, it's the same story for all of the age related conditions such as dementia.

Bob your well informed, the cost per injection is around the £1000 mark, but if it saves your sight, it's money well spent. AMD and other conditions such as Glaucoma is also on the increase along with diabetic retinopaty and again is largly down to living longer.

11/07/2018 16:51:04

Sadly I do work in the medical proffesion, here is what I know about AMD.

It can effect men and women equally, it can start as early as in your fifties but may go un-noticed. Smokers are affected much worse than none smokers and taking suppliments while still smoking is almost a waste of time.

 

Diabetics, please try really hard to control your blood sugar levels, avoid highs and lows. A slightly high norm is better than fluctuating levels.

Anyone with hypertension, start to gradually take exercise and try to naturally lower your pressure.

Lutein and zeaxanthin along with a few other extracts are usually used in the food suppliments reccomended. Macushield Gold is indeed something that is reccomended, it has been withdrawn from the NHS list of prescribed medications as they (the NHS accountants) claim there is no real evidence that it works. I am a mere sixty and take one tablet every day at my own expense, I really wouldn't bother if I thought it was not worth it.

There are at least three types of medication injected into the eye, Lucentis (ranibizumab) and Eylea (aflibercept) being teh most common ones used, Azorp or similar is sometimes used.

Wet can be treated, dry is usually monitored and cannot be treated.

If I were to pass on advice it would be as follows,

1. Anyone who does smoke, STOP ! it's no longer a hunch that smoking is bad for you, we very rarely treat old aged smokers cos they die before they get old, it really does cause a lot of damage to your body.

2. Take suppliments containing Lutein and Zeaxanthin (20mg a day is best, but 10mg a day is better than nothing).

3. Wear sun glasses especially if you have pale blue or grey eyes.

Companies are working on improving treatment for AMD all the time but prevention is really better than cure as we can't actually cure it, only try to stop it getting any worse.

Surgery closed now !

Edited By Ian Skeldon 2 on 11/07/2018 16:53:09

Thread: What did you do Today 2018
10/07/2018 19:06:02

Very nice Bob.

Thread: great youtub
08/07/2018 16:58:56

I was even more surprised to see him brush swarf away with his bare hands, is this man a god?

Nice clamps though, although his machining skils and tooling means that he probably made them, just because he could, I'm somewhat envious.

Thread: Am I getting an irritable old git?
02/07/2018 20:34:10

I can honestly say that whenever I have asked for help or advice, I have received it without critisism of my many English language mistakes, and I am most grateful.

Long may the spirit of engineering camaraderie continue.

Thread: adverts
01/07/2018 21:37:13

I have used the email link on this website several times and then confirmed with the intended recipient, that they have not received the initial communication. So maybe it isn't always the deliberate lack of response but a genuine lack of the need to respond?

Thread: Am I getting an irritable old git?
01/07/2018 21:30:06

Does anjyone here on the 'Speaking English thread' know where thare are any useful engineering forums?

Sorry but I couldn't (could not) resist. I have occassional difficulty with correct spelling of words, it's like a random failing that isn't easily explained, but even I hate the use of the word 'OF' when it should be 'have' as in, I could of used that.

Thread: Lidar Build Video
29/06/2018 19:37:39

Like it a lot, including the music yes

Thread: Test Bar in Harold Hall's Lathework A Complete Course
27/06/2018 19:03:40

Hi James,

I am assuming that you have at least 3 or 4 inches of test bar inside the chuck/spindle and not just supporting it with a small amount of metal in the chuck? If so you should be fine to just take a couple light cuts without the tailstock, then mic it up to check for parallel.

If you can not hold enough material because of spindle internal diameter restrictions then use a smaller diameter. You don't need to use the tailstock until you want to align the tailstock. There is no point in aligning the tailstock until you are happy that your lathe is turning true.

Thread: Best beginners buy in 2018
24/06/2018 16:57:56

After lots of hmming and arrring and checking youtube reviews I checked out the Factory 3d printer, Wanhao I3, Teva Tornado and a couple of Creality printers.

In the end I went for the Creality Ender (latest model).

Deciding factors being 24 volt heated bed, printable volume, ease of assembly, support available from tinterweb peeps, oh yeah and the price £200.

Hopefully it should arrive on Tuesday (as promised by the supplier)

Does anyone here use this make/model of printer?

Thanks to everyone for all the help and advice so far.

Thread: Can you guess what's happening?
24/06/2018 14:22:12
Posted by Robert Dodds on 23/06/2018 23:32:42:

Ian,

Have you tried putting the DTI stylus on the top of the 22mm bar in the chuck/collet. (12 o'clock position ) and then traversing both the saddle and the compound slide in turn along the bar. This would confirm that the main bed was true to the lathe spindle and that your compound slide is running "level". A sloping slideway is far easier to spot with a DTI reading on the top of test.bar.

Bob D

Hi, yes I confirmed the error by tramming along the top of the aluminium bar and again with the 16mm test bar, deffinetly the error is with the compound slide which I have shimmed for now.

Hopper your right, but if the lathe had a means of adjustment I could at least try to improve or maintain accuracy without resorting to stripping the head and messing about. I guess doing my apprenticeship at Rolls-Royce has something to do with it.

23/06/2018 21:46:21
Posted by Bazyle on 23/06/2018 09:35:03:

It does depend a lot on the diameter of the workpiece which I don't think you mentioned. You also kept saying the topslide was set to a graduation which is like expecting your car odometer to be accurate to a yard in ten miles. You do have to set the topslide with a dti each time you move it. Really it doesn't matter too much if you can do all parallel turning with the saddle and only use the topslide for tapers and short cuts.

Your quite right, diameter was 22mm. I was trying to set the top slide to with a DTI see how accurate the zero was, and then test with a known taper. As I couldn't achieve a zero and get the clock to run over the test length without error (no run out) with the dti and not even get close I knew something was wrong.

Closer inspection showed that after setting clock to zero at tailstock end and ensuring it was mid line/point of the diameter, it would start to back off as I moved towards the chuck. Any adjustments resulted in the same thing making it impossible to tram and that's when I did a bit more testing and discovered it was running down hill.

As I mentioned it turns 0.01mm taper over 120mm length which is good enough for the work I do (hobby stuff). However, if I were to upgrade my lathe (I will at some point). I want one that has more adjustment to achieve this and better levels of accuracy, getting mine to this level took several days and several strip downs of the head and use of 1200 wet and dry.

Thread: Mac Computers
23/06/2018 21:34:07
Posted by Vic on 22/06/2018 23:31:02:

If I had to use a PC I would probably go for Linux as there is a version of it that looks and feels like Mac OSX (so I’m lead to believe) which of course also UNIX based. The only problem is lack of software, all the good image editing packages are either Mac or Windows.

Hi Vic,

If you look at this link **LINK** you will find one of the best image editors available and it's free, it works with windows as well if you download the windows version.

Yes Neil there are some virus's aimed at linux and some of those are pretty bad, but clam will usually take care of them.

Thread: Help with fusion 360
23/06/2018 21:27:46

This is what I was trying to achieve, it seems so simple now I have done it. Thanks to everyone for the help and encouragement.

fusion .jpg

Thread: Mac Computers
22/06/2018 22:04:07

I think it has been some years since you used Linux Neil?

Have a look at Linux Mint, easy to use, GUI driven and like I said, no virus's or hanging, quick and easy to use with lots of apps.

Thread: Can you guess what's happening?
22/06/2018 21:58:03

Hi,

Hopper, no I was trying to ensure that setting the compound slide to zero gave a true (indicated) run along a parallel test bar and was measured as follows.

Test bar mounted in collett. Clock mounted in tool post and passed along test bar in both directions from both the side (the same as acutting tool would be) and then again along the top. This showed that the tool post travelled very accurately in relation to the chuck and any workpiece in the chuck/collett.

Next the compound slide was checked to be showing a zero degree setting and wound fully back towards the tailstock. Carriage positioned so that the indiactor was at the far end (tailstock end) of the test bar and positioned so that the plunger was at mid point (where the cutting tip would be).

As the compound slide was moved forwards (towards the chuck) the indicator showed the cut getting shallower, no amount of minor adjustments to the angle corrected this error and the error always ran the same way.

Carefull observation showed that the plunger was at mid point of the diameter at the start of the travel, but as the slide moved forward the plunger was dipping lower and thus indicating a shallower cut.

Further investigation showed that the fault is not being caused by swarf, or burrs or paint, just crap maching of the bed or way of the compound slide.

I have corrected the error using shims as stated but it shows how far out the maching is for the compound slide. Now with the compound slide set to zero degrees, it does indeed run 100% parallel to the workpiece, so when required to cut a taper I know it will be accurate.

Thread: Mac Computers
22/06/2018 19:33:00

Why pay loads for a mac when you can buy a low spec windows pc/laptop and then install and run Linux on it. Lots of support, free updates, no virus's and lots of free software available.

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