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Member postings for Peter Gain

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

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Thread: Proxxon Drill Sharpener
15/01/2010 19:04:31
Thanks Nigel & Patrick,
I will persevere!
Peter.
15/01/2010 10:55:35
Hi David,
Yes it does look easy to use. (That's why I bought it) BUT!
The drill carriage swings from side to side, this movement causes the drill to partially rotate. Setting the drill vertically results in a pronounced negative clearance, depending on the diameter of the drill. The problem is that the angle at which the drill lips are offered to the wheel appears to be critical. The problem is exacerbated by the fact that different diameter drills require differing angles. It is all but impossible to re-set to the correct angle at a later date. After much experimenting I can occasionally, by happy accident, set the drill to the correct angle. Most attempts result in a three lobed hole which I can achieve by off hand grinding.
Although this product is probably of Far Eastern manufacture, the design presumably originates from Germany. I would therefore expect it to be a sound piece of kit and am willing to concede that it is my misshandling which is the problem.
I had hoped that some would reply who has actually got one to work.
Regards,
Peter Gain.
Thread: Model Engineer 4369
13/01/2010 20:33:18
Hi David,
Thanks for your rapid reply, 15 minutes after my posting. You are obviously on the ball!
Probably explains why you have received much complimentary comments since becoming editor of "Ours"! (Or "Yours" as you described it).
Peter Gain.
Thread: Proxxon Drill Sharpener
13/01/2010 20:24:50
The Proxxon catalogue delivered with ME 4369 reminded me that I purchased their drill sharpening machine about 4 years ago, since when it has resided under my bench. From time to time I haul it out & try yet again to get it to work but with a singular lack of success.
Has anyone out there actually managed to sharpen a drill with this contraption?
If so please will you share your secret(s).
As an aside, I note that the more expensive items are shown as "Made in Europe", the lesser items are not so noted. Presumably this means that these items are from the Far East? The sharpener is not included in the European manufacture. Is this significant?
Peter Gain.
Thread: Model Engineer 4369
13/01/2010 20:10:30
Hi Martin,
ME 4369 finally arrived here, 15 miles SW of central London on Wed, 13th Jan. Our post has been delivered on time despite the snow. This suggests that it is the distribution company who are at fault.
David C, please will you remind the directors of the distribution company of the number of persons currently unemployed?
To conclude on a positive note, the mag is very good.
Peter Gain.
12/01/2010 18:56:44
15 miles SW of Central London & still no ME 4369 as at 18.50 12-1-2010. Someone needs a wake up call! (Or a good kicking).
Thread: Simpler the Better -what do you use?
12/01/2010 10:18:16
I agree with previous contributers, DeltaCAD is a good,simple to learn, & effective CAD system. A free trial period is available. Also, they actually reply to e-mail questions!
Peter Gain.
Thread: Model Engineer 4369
11/01/2010 12:38:51
One wonders how ME 4369 can be delivered to a Scotish address on Monday 11th yet not to a SW Outer London location.
Peter Gain.
Thread: Nova 1 compression ignition engine
07/01/2010 13:08:06
Hi Ramon,
Looks like a very interesting engine. How about writing it up & offering it to David C for publication as a series in ME? The specified fuel seems to be a rather curious mixture compared to modern practice!
What is the capacity?
Peter Gain.
Thread: Airbrushing
05/01/2010 14:44:23
 
I agree with the previous comments made, but before buying spray equipment read some books on the subject & learn the difference between airbrushes & mini-spray guns. Badger products are of good quality (the Fords) For the Mercedes you will have to purchase Japanese (& pay a lot more). But beware of cheap clones if you are after a good finish.
 
The "350" (external mix) & it's many clones is capable of giving a good finish but the spray adjustment is critical & tends to drift whilst in use. The 100, 175, 200, & similar types are internal mix. Internal mix brushes were originally designed for watercolour washes. Due to the air/paint mixing internally, they rapidly clog if used for fast drying finishes. This can be overcome by frequent cleaning but some operatives may find this irritating.
 
Despite the EU, it is still possible to purchase cellulose thinners from your local auto-refinishing supplier. The grade to ask for is known as "gun wash". It is about £5/6 for a 5ltr can, a fraction of the cost if purchased in small quantities. Shop around, prices vary considerably. This product will clear out most enamels & varnishes when used after initial cleaning with the appropriate thinners. Only a small quantity of the expensive airbrush cleaner will then be required. Gun wash is also useful for general degreasing but use with caution on painted surfaces. Use with what we used to call "common sense".

 With a little practice you will be able to achieve a very satisfying finish, far better than with a brush. The result will look far more professional.

 

Peter Gain

 

Thread: Suds vs neat cutting oil
03/01/2010 15:49:45
If you use neat cutting oil be prepared for some modification work if your system is a Far Eastern product.
I tried neat cutting oil on my mil/drill. The product worked well but the viscosity was such that the gravity drain could not allow the oil to drain back to the sump fast enough, even with regular clearing. Reducing the flow rate to prevent over flow from the table meant that there was insufficient oil to do the job properly. As I have not yet enlarged the return drain, I have gone back to soluble oil. This also works well but as previous contacts have noted, staining is a possible problem. I conclude that effort must be made to enlarge the drain.
Peter Gain.
Thread: Comments on the Exhibition
01/01/2010 10:35:51
Hi,
I remember the cardboard loco, an excellent example of the model maker's art. BUT. Not model engineering!
Regards, Peter.
31/12/2009 20:53:56
Yes, an excellent exhibition.
BUT.
Please remember that the exhibition is for "Model Engineering". Please, no more bits plastic & cardboard models. Whilst such models may be worthy of critical acclaim, they are NOT "Model Engineering". We had a plethora of plastic models a few years ago, they have their place, but not in an engineering exhibition.  Exhibits should be substantially of metal which has been turned, milled, filed, & etc. No more "Blue Peter" models, please.
Peter Gain.
Thread: Drill Chuck, Dismantle
30/12/2009 10:38:55
Hi,
Thanks to all who replied.
Following your advice I have been able to dismantle the chuck very easily. This is a good example of how an apparently impossible job becomes very easy when one has received the correct instructions!
The internal debris that was causing the chuck to lock was small pieces of the threaded control ring that had broken off from the top part of the thread. This should not have occurred as I never use excessive force such as extension levers or tubes. I only ever use the correct key. The ring appears to have been hardened, presumably over done. The long term answer is to stump up the extra cash & buy EU/USA products. "You get what you pay for" comes to mind. But in fairness, Far Eastern is better than nothing.
Peter Gain.
29/12/2009 11:27:35
Does anyone know how to dismantle a Chinese 13mm drill chuck? The chuck is a Jacobs copy. It has some detritus left internally which is now causing it to lock. I seem to recall details of dismantling described in ME(?) or ? but cannot now locate this info.
All suggestions will be welcome.
Peter Gain.
Thread: Choice of small milling machine
24/12/2009 11:15:50

 

Hi Robin,

Before purchasing my Warco WM16 I had one of their mini-mills. The tilting column of the mini-mill is no more (or less) difficult to set up than a tilting head. The securing bolt for the column is sufficiently adequate for the size of the machine. I found no problem with the column moving once set up. I would not consider the tilting facility an abomination as it can be used to acquire an accurate alignment. The accuracy being dependent upon your patience! The mini-mill can be set up to carry out accurate work & is capable of giving much pleasure in use. The only reason that I upgraded to the WM16 was for the extra capacity. Either machine will prove satisfactory if your work pieces are within the machine limits. The usual caveat "buy the heaviest that you can accommodate" applies.

Peter Gain.

 

 

 

 

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>>

21/12/2009 18:08:17
I have been using a Warco WM16 for about three years.  The best option is to "take as long as it takes" to fiddle around & get the column truly vertical & lock it as tightly as possible. (Leave it there, use a tilting vice). Using the usual workshop instruments I cannot now detect any deviation of the column from perpendicular to the table in either direction. As purchased, the machine required some cleaning of the slideways & leadscrews but not a great deal. Some tweaking of the gib adjustments were carried out. My impression is that it is more accurate than one would expect for the price. If you purchase the type with a "self release" draw bar, do not tighten it, just a light nip, the taper has a vicious grip!
I do not recognise the Warco employees rather rudely described by "Versaboss". On my visits to the Co. I have found the staff friendly & helpful.
Peter Gain.
Thread: Lathe/Milling Machine combination
20/12/2009 11:23:41
Hi Meyrick,
Thanks for your info re-large dia dials for the Super 7. I will have a stab at copying yours.
Peter Gain.
19/12/2009 18:51:00
Hi Meyrick,
Point taken re-setting up machines.
I like the idea of large dia dials for the Super 7. I do not recall seeing any "write-ups" in ME. Can you advise if you are aware of such articles?
Peter Gain.
15/12/2009 20:54:05
PS!
I should have said Myford/Boxford lathes. (Myford mills are sourced from the Far East).
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