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Member postings for mike T

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

Thread: Anyone used an Inverter with a Colchester Student
02/05/2012 18:50:44

The purpose of a FUSE in an electrical power distribution network is to protect the wire conductors i.e. to prevent fires, not to protect the appliance. That is why you should fit 3 or 5 amp fuses in plugs with thin wires such as used for phone chargers and 13 amp fuses ONLY to plugs with thicker wire, such as for the kettle. The same logic applies to the incoming power to your house or workshop. The cross section area of the house wiring determines the fuse size and not what you connect to it.

Thread: Mazak castings
15/04/2012 11:38:36

Hello Jason and Russell,

Thanks for taking the time to reply.

Brockmetals have a minimum order quantity of 1000Kg. That should last a while!!!!

The Thompson Local Directory was delivered yesterday, so I will try to contact the local??? die casters. Fingers crossed.


14/04/2012 00:16:30

Hello John,

I am not sure that is the answer. Mazac (Zamak) is an alloy of Al, Cu, Mg, Pb, Cd, Sn, Fe,with a trace of Ni and Si. As an alloy, Zamac 2 melts at about 385 degrees C which can be reached electrically. So if I could find ingots of all the components, instead of a ingot of the Mazac, I would not be able to melt some of the elements and some i would not want to touch.

No, I will continue my search for some Mazac (Zamac) ingots. The problem seems to be that Zinc alloy casting is another skill that has been lost in Great Britain


13/04/2012 17:56:14

Mazak (Zamak) or monkey metal is used extensively in the auto and other industries to make small accurate castings, including spin casting into silicone moulds.

Does anyone know where I can buy a small quantity of Mazak (Zamak) ingots? I do not want to start with scrap material. I will probably make enough of that anyway.



Thread: Turning / machining Aluminium - Tips
29/03/2012 20:23:37

Beware of bits of aluminium found laying around. Some bits may machine well or just stick to the cutting tool.

I machine lots and lots of aluminium and I have no problems with HSS or tipped tools on the mill or lathe. I machine dry, without any coolant or lubricant, provided I use the right grade of aluminium alloy

I ALWAYS buy a known grade of aluminium. My material of choice is HE 30 TF............ 6082 T6 or T4.It machines beautifully. Do not buy anything that is "good for bending" as it will be too soft and will just weld itself to the cutting tools

Thread: Message to the Webmaster!
21/02/2012 19:42:16

Hello Mark,

It is happening again; Adverts over the text and extra wide pages. Not on all topics, but certainly on the scale figures topic. I thought you had fixed this problem.


Thread: Scale figures
19/02/2012 09:18:35

David, Another source of 1/6 scale figures can be found in Artist Supply Shops. They have little wooden mannequin figures with movable, joints which are about 12 inches tall. They are not expensive (if you shop around, try e-bay). They give a sense of scale and probably look best if you leave then in the raw.


Thread: Message to the Webmaster!
17/02/2012 22:47:37

Hello Mark Web Tech,

Curently, and things do change, I have adverts down the centre of the page and text that is wider than my screen. I am a model engineer not a computer fanatic, so browsers and firefoxes and Scayt spell checkers mean little to me. I have Widows XP and Windows Internet Explorer, Please do not even think about advising me to change these just to see this forum


17/02/2012 22:20:23

Dear Mr Moderator,

Why do you insist on saying it is our computer settings which are at fault? Have you considered that you may have replaced a less than perfect Editor with this one which is, to say the least, even further than perfect. Do you think it is time to ask for your money back?

Thread: MEW 186 - Electronic Lathe Control
25/01/2012 18:59:14
Hello Tony
The idea of EMC2 software running on an old PC connected to the existing shaft encoder of my old EMCO Compact 5 CNC would appear to be a perfect answer to updating this old machine.
The EMC2 website looks so intimidating with so much to learn than I have days left on this planet. Does anyone have hands on experience of making a lathe controller with EMC2? Can anyone, perhaps Alan (cncyormyford) give a simple tutorial about how to use EMC2 as a lathe controller?
Thread: MEX 2011 Competition
02/01/2012 20:31:53
Thanks everyone, for pointing out where the information regarding previous MEX Competition award winners can be found and purchased.
I think it would be a nice gesture on the part of our publishers, if the list of previous award winners were made freely available in say, the archive section.
If nothing else it would be good publicity and would help promote future events.
Every little helps.
02/01/2012 16:37:17
What about that!
Dispite being promoted as "the most highly respected model engineers' competition in the world and attracted competition entries and visitors from across Europe", it would appear there are no records of either past or present award winners to be found on the web.
I am sure the editor of our magazine will want rectify this deficiency and I think we should all encourage him to do so.
01/01/2012 15:40:32
Can anyone tell me where I can find the names of the award winners of this years MEX 2011 Competition, or those of any previous year?
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