Member postings for Nick_G

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Hi peoples.

I have the chance of purchasing a used but very good 2 axis DRO at a very attractive price. But the scales are longer than needed.

The scales are glass linear encoders. Sino KA-300 series ones.

Is it possible to cut the length does anyone know.? And if so what method should be used.

I know 'some' can be cut but it's the 'glass' word that bothers me.

Cheers, Nick

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Making a microphone pre amp at some point this weekend for use with my HF transceiver.

Nick (G7GPL)

Edited By Nick_G on 23/05/2014 14:59:47

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Dear, oh dear. Oh deary-deary me.!

As the person that caused Allan offence I feel that perhaps I should post.

Allan, I am aware that I have in some way offended you. Though for the life of me I am a total blank as to why.? I was, as I said previously only trying to prevent you getting on the wrong end of a cold shower. But offence I have somehow caused.

Allan, There is a difference. And a very big one.! in offending someone deliberately or accidentally. I can assure you it was the latter. But the fact that I have in some unknown way I am willing to accept.

I would imagine the sites management would prefer you not to go as you post regular, interesting, popular, well illustrated and authored threads that result in the education of many others. - Just the sort of thing that makes a sites other members keep coming back. I certainly include myself as one of your thread followers.

I don't know how savvy you are regarding internet forum sites. But generally the view is (certainly on other sites) providing the replies stay on topic and relevant to the opening post then all is OK - I feel my remark / question was. An internet forum thread is not anyone's personal baby in the same way a model you have crafted is.

Allan, You mentioned in a previous post on this site how you planned at some stage to visit the steam museum in Bolton. I don't live that far from Bolton. If you ever make that trip I will come and buy you a nice lunch. - I cannot throw down more of an Olive branch than that.

So I personally would prefer you not to go as this site would be poorer. I also feel sure many others think similar.

Best regards, Nick

That can be Allans call.

I was only trying to raise points to try to help him not get a cold shower. As a newbie myself I am also learning from his excellent threads and the questions he is raising.

I asked the question in 'his' thread thinking it relevant so that he would be sure to see it.!

In hindsight, Allan had probably already considered the 3 / 4 jaw runout potential. - I will STFU next time.

Nick

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Sorry to have offended you Allan.

Just thought it was information that may have also been of value to you. Because if my chain of thought is correct your .500 reamer may make a hole in your bearings bigger than .500

Sorry, Nick

Hi Jason,

I am contemplating this method myself. Am I right in assuming that the reamer (if this method is used) should be held in a 4 jaw chuck and 'dialed-in' so that any run out that may be in a 3 jaw holding would not then make the reamed hole slightly larger.?

Regards, Nick

Don't be so sure of that.!

I for one am leaning lots from the questions you are requesting and being answered by far, far more knowledgeable and experienced people than I will ever be.

It will save me asking similar in the coming weeks.

Nick

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This may be a very dumb question from me.!

But why cannot a long reamer be used to bring the bores of the bearings to size.? The only thing I can think of is that the bearing material is not reamer friendly.?

Is this a Nick / Homer Simpson "Do'oh" moment.

Nick

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I shall be watching this one as I have decided that this engine is to be my first.

So come on Steve and get cracking so I have something to watch. Or I may even catch you up.!

Regards, Nick

OMG far, far too much information.!

I have visions of Jason nonchalantly draped naked on a chaise longue sofa while the local art class draws him.

Nick

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A friend of mine (pro engineer) the other week advised me that I would be far better off with HSS for most of the things 'I' was likely to be doing on a lathe. So I heeded his advise and bought a few HSS tools. - He was right and I am adding to my collection.

With this in mind when I was at Harrogate last week I noticed there were enough changeable tipped tools for sale to sink a battleship. But by comparison HSS tooling was quite thin on the ground.

Can anyone please explain the reason for this.?

Cheers, Nick

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Yes Jason very similar. These are usually about 1" - 1 1/4" in size.

I had to take one to pieces once to replace the diaphram. Quite tricky as the diaphram is very, very thin and quite small. I ended up holding it in position with grease in the end while I reassembled the rascal and relied on the petrol flowing through it to dissolve the grease.

Nick

Edited By Nick_G on 15/05/2014 23:30:47

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Many motorbikes have a similar arrangement at the tanks are higher than the carbs.

They often work of the vacuum principle to open when the engine is running and closes when the engine is off. This vacuum is normally taken from the inlet manifold via a pipe to the petrol valve/tap.

e,g. **LINK**

Nick

I feel you're pain.

We should form our own club. ........ With me at the moment it's lathe parting tools that I seem to have a gift for ruining beyond redemption.

The only plus side (if it can be called such) is that I usually know what the cause is.

Nick

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My experience with larger single phase motors is that they are a pain in the a6$e and more trouble than they are worth.

Combine this with a domestic set up and I fear it will be a constant thorn in your side.

If it's causing the picture on your TV to drop out I would not be surprised in it was doing the same to those living local to you that are on the same phase. Not always, but very often every 3rd house is on the same phase. The supply companies try to do this in an 'attempt' balance the loads of their legs of supply.

Nick

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Cheers for the replies guys.

Nick

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Yes.

But the chances are that it would be far, far cheaper to purchase a new 3 phase motor and combine it with a new inverter and configure a slow ramp-up time on the inverter than the single phase option.

Full of good news ain't I.?

Nick

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Got to hand it to you Allan,

Once you get an idea and a job to do you don't hang about now do you.?

Regards, Nick

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Hello peoples.

Just had this delivered.

I have new cast iron D1-3 backplate for my Boxford. I now have to machine a rebate into the backplate.

I have never machined cast iron before so some general tips for machining, drilling and tapping this job would be appreciated.

Or shall I just stick it on with evostick or no nails.?

Nick