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Ahhh, I see, many thanks.

Hi Ian,

While I use this method on squared bar stock, I have often found difficulty getting a true center on round stock.

Using this method only seems to get the center pop running true, not necessarily the whole diameter of the bar.

Any tips?

What annoys me intensely is offering advice on things that I HAVE actually done only to be chastised by others as its not 'their' way.

Being in the situation of teaching apprentices with basic machining skills, we usually get asked the same questions on every course.

To this end we produced a FAQ sheet that has been laminated and issued with their toolkits. Unfortunately we forgot to allow for the fact that the majority of them have difficulty reading anything that isn't bi-thumb operated.

Personally I do not profess to be an expert, but with regard to engineering, I do what I like and like what i do, and have been doing so since the 1970's with qualifications, and before that without. (Meccano and Mamod steam engines abounded).

I regularly have members of a couple of clubs visit the workshop with items of interest and loads of discussions take place as how best to reach a satisfactory conclusion with a project.

But the general concensus is always that of 'He who aspires to teach, must also continue to learn'

Normally you would only grind materials that are too hard to machine in other ways, and a normal wheel should never be used on non ferrous metals.

Russ, may I ask what program you are running that drives both graphics cards to that level?

I run two Gforce GTX690 cards SLI'd and the heat that comes off them at max chat isn't enough to keep my coffee warm, at idle your cards only use about 20 watts.

I just prefer to use a dehumidifier, I get a dry workshop and the heat it gives out as a process of its operation is a benefit.

It uses 250 watts when on load and runs for 10 hours a day, 7 of which are on the 'night rate' (economy seven).

Almost looks as if the manufacturer didn't think much of it

This is the sort of thing I was referring to http://yorkshire-co2gas.co.uk/ and they take a standard BOC regulator for a welder.

I use this for general steel welding.

(Edit to add link correctly)

Edited By Lofty76 on 18/02/2014 06:51:04

Neil,

Might be worth having a word with your local pub landlord, one near me lends me a brewery Co2 bottle, I just pay for the gas.

Carl,

I would never deign to tell you what to do, should you wish to not follow a standard procedure that's entirely up to you.

However, I cannot see the point of labouring a subject when you refuse to take the advice of the supplier and then moan about them.

Martin W has just voiced a very possible scenario so now an element of doubt has crept in, albeit unrelated to the return of the item, but does again empathise my point of the seller not being wholly responsible, and just for clarity, that means that they may have packed correctly and the damage occurred elsewhere, NOT that they are not liable to sort your problem out.

So, I take it you are not a club member? well sir, my clubs are doing very well thankyou very much, and so are the majority of others that I have dealings with, so again your view seems to be somewhat limited.

For Chris123, I never stated that my first quote was UK law (the second one obviously is), but again pointed this out as an example that most couriers have a policy for the receipt of damaged items.

So you don't believe a courier will let you open a visibly damaged box until you have signed for it? ok so don't sign for it, tell him to return it - the problem solved.

If you subsequently find the item damaged in 'good' packaging, follow the procedure and return the item as previously described - the problem solved.

It would be appreciated if what was written was read correctly.

I am merely making a point that you cannot make assumptions without adequate proof.

Many people handled that motor, dropped it, kicked it around etc, and it may, just possibly, have left the supplier in good order.

The supplier, for his part and quite correctly has offered you the means of a replacement item, and I have covered the means as to which you will be reimbursed for any charges made by yourself.

You cannot expect the supplier to pay you to return an item until the correct amount is known and receipted (it stops fraudulent claims), and he may not have an account that covers return collections. To set one up just for you would not be viable.

Why you insist on boring me at least, and possibly others with a non-model engineering related subject I can't imagine, and quite frankly if you had returned the item as requested by the supplier, this thread could have ended halfway down page one.

And Nick, you are quite right, but until Carl sends the item back the supplier can't / won't do anything.

Additionally as you again quite rightly say, you do not have to prove damage in transit, but a refusal to receipt, leaving the item with the courier gives far more credence to the story, and of course it would have been returned to the supplier free of any charges to the consignee.

Interestingly enough, and I'm not sure if I got the correct RJW Engineering, but it clearly states in their terms and conditions: Returns are credited for the returned item(s) amount including VAT and do not include a refund of carriage unless RJW Engineering (Manchester) Ltd are at fault with the items shipped.

Actually, it is the responsibility of the receiver to check the goods on receipt and then refusing to accept same from the courier if any doubt existed. ie "In the event of already externally recognizable damages of the parcel you should - if ever possible - check the contents in the presence of the forwarding agent immediately for completeness and for unobjectionable composition. In this cases insist on a damage report by the carrier".

I think you will find that a standard codicil applies that you sign for the receipt of an item 'in good order'

Failure to do so will make claiming any damage very difficult as you (the recipient) has signed to say all was well with the consignment 'on delivery'.

Carl has no proof in this instance (as far as I can see) that the item was incorrectly packaged, merely that it arrived into his possession in an unfit condition, after being handled by numerous persons apart from the supplier.

It has even been stated that other items have been received packaged correctly from the same supplier, so it would not be prudent to hold the supplier solely responsible for the received item condition.

As the supplier has agreed to a return, this should be carried out as soon as possible, and the sender is responsible for the return postal charges, however, these should be refunded on receipt of the item by the supplier in accordance with the distance selling regulations (http://www.legislation.gov.uk/uksi/2000/2334/regulation/14/made see para 5).

So, in a nutshell:

1, the item was received and signed for in good condition.

2, some time later the item was found to be damaged and unfit for purpose.

3, the supplier has agreed to a return of the item with the inference that a replacement will be supplied.

Get the item returned and obtain the replacement.

Maybe because a foundation degree qualification today is somewhat lesser than an ONC earned in the seventies.

In the 1970's an ONC in Aeronautical Engineering comprised of a four year apprenticeship and five years at college, the modern equivalent is completed in three years, and is mostly theoretical engineering.

As stated by others before, its skills that are important, and I think that the sign of a good engineer is such as to the affinity to the materials he/she works with rather than a piece of paper that states how good they performed in the classroom.

Yes, you could turn up the arbor while you are waiting for the hole saw to be delivered.

In the meantime, Paul with his method and me with mine have both finished and supplied a happy customer.

Although I would consider that cutting that depth on a rotary table on a radius would likely result in a possibility of broken cutters if not careful.

And drills are cheap.

And with the arbor and delivery you see a total of £17.58!!

I agree with you Paul and chain drill out the majority of waste, then file off the lumpy bits left and then finish off with the boring head

If you do the majority of the filing to the edge of the chain drilled holes the boring head should be able to cope.

Hi David,

Open cage bearings received in our stock are considered to be packed with a preservative grease, and marked with a preservative shelf life.

Prior to installation they are washed out in a hot oil bath, then a white spirit rinse to be followed by immersion in the medium to be used when installed.

The bearing is then placed in a heat sealed bag until required for use.

It would be normal to accept that all bearings cannot be lubricated with the correct medium for its particular application by the manufacturer and should therefore be 'primed' as above.

Obviously, this doesn't apply to sealed bearings.

I thought the comment was quite pertinent, and considering basic human nature when any excuse is used to charge more for a service.

The recent comment on the news regarding the point on as the whether Scotland would keep the UK Pound if independence became a reality means that the concept is being considered, and should it become reality the the form of another currency would also realised.

Exchange rates, distances travelled and fuel costs could all affect courier charges to the North and of course likewise in return.

I think it will really mess up haggis prices down here.

Asda and Tescos are still selling them

With the exception of the marble base , all machining was carried out by using my single spot laser edge finder to find a datum corner to set the DRO and then all dimensions were taken directly from the DRO, not one single piece was 'marked out'.

So I think there is a lot of room for developments of this kind and it will be most interesting to see whats forthcoming.