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Member postings for Nick_G

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

Thread: Myford Capacitor problem?
05/05/2014 11:50:21
Posted by Les Jones 1 on 05/05/2014 11:08:17:

Very often capacitors used for this sort of application have a resistor connected across the terminals to discharge them.

Les.

Reminds me of 'the good ole days' (30 years ago) when it was considered acceptable to discipline apprentices for doing something wrong. (something serious like forgetting to put sugar in the tea) laugh

We would get a capacitor from an old flou fitting and clip out the bleed resistor. Then charge the cap with a 1000 volt Megger (insulation tester)

The next step I am sure you can guess.? wink But it resulted in squeaking and an improved ethos to get it right next time. devil

Can you imagine the kufuffle if that sort of thing was done today.? surprise lol Back then it was considered 'normal'. But today I would imagine considered similar to walking into a bank brandishing a machine gun.!

Nick

05/05/2014 10:02:01

Disconnect the motor. Wire the motor to a length of flex with a plug on. Switch on.!

If the motor runs it eliminates a fault on the motor and points to the control side. - If it does not, then look for a problem at the motor side.

Try spinning the motor by hand with power on. (watch fingers.! - Probably best to take the belt off the pulley) 'If' it then runs this can sometimes tell you that the staring capacitor has gone south.

Nick

Thread: Myford ML7 replacement motor.
04/05/2014 12:16:58

Glen,

Where in the the country are you.?

Nick

04/05/2014 05:20:34
Posted by Glen Morgan 1 on 04/05/2014 00:09:14:

 

lathe motor.jpeg

 

Connect the incoming supply of live and neutral to 1 & 2 - e.g. live to 1 & neutral to 2 (or vise versa)

The rotation is then determined by which colours are bonded together on terminal 5

Don't forget the earth to the frame. They often omit earth connections on diagrams for clarity and presume you will automatically connect it.

Get it running in one direction or the other first to check you have not 'butchered' the motor (unlikely but possible) by previous wrong connection.

Once you have done this let us know and we can then sort out the reversing issue by use of a multi pole rotary switch by altering the connection permitations that configure 5 & A

Have you got a multi meter or a continuity tester.???? - You will probably need one to 'bell out' the open and closed sides of the switch.

 

Nick

 

 

Edited By Nick_G on 04/05/2014 05:48:25

Thread: British Gunmakers screw threads
03/05/2014 22:34:17
Posted by Oompa Lumpa on 03/05/2014 20:43:16:

And a good number of centre fire moderator threads are 5/8" UNF.

graham.

Yes I agree.

Both my 22/250 and the 25-06 are so. But they are heavier barreled versions. A 'standard' weight barrel at 5/8" may leave not a lot of shoulder for the face of the moderator to mount to.

Nick

03/05/2014 17:23:08

.

I can tell you that the small sound moderators are all UNF 1/2 x 20, be it manufactured by Parker hale, Sako etc, etc. - It's kind of an unofficial industry standard.

Nick

Thread: Stuart 'No.1' : a beginners tale..
03/05/2014 00:00:05

Posted by JasonB on 02/05/2014 18:05:56:

**Nick_G drools. surprise

Finest engineering porn if ever I saw it.!

Jason. This is decadent deviancy. winkwink

Nick cheeky

Thread: Help with Choosing a Milling Machine
02/05/2014 10:13:14
Posted by Mozbo on 02/05/2014 10:03:59:

it might just swing it!

You said you were a qualified toolmaker and CNC machinist.!

You should then know that a lathe would be best for that. winkwinkwink

Nick cheeky

01/05/2014 22:46:15

I don't for a second profess to know a great deal about milling machines. But I am also in the market for one myself so I am watching this thread with interest.

You mention perhaps a CNC conversion at a later date. I notice that on youtube this one has been a popular candidate for such by lots of people. Perhaps others could tell me why.?

**LINK**

You also mention a possibility of buying one with a DRO ready fitted. Make sure it has outputs that are compatible for CNC use otherwise the extra money for them 'may' have been wasted.

Regards, Nick

Thread: Headstock Oil
29/04/2014 21:03:05

I have tried searching the web for information upon the correct headstock oil for my Boxford STS 10-20 lathe. ............ Very confusing and contradictory. frown

It seems lots of people have many different ideas and reasons from a fairly light weight oil (e.g. auto transmission oil) to a much heavier grade.

They seem to differ as much as recipes for making curry.! With with everyone convinced their choice is the best.

This has left me 'confuddlized' indecision What do you recommend.?

Regards, Nick

Thread: Stuart 'No.1' : a beginners tale..
29/04/2014 18:26:55
Posted by Allan. on 29/04/2014 17:16:08:

Hi Jason

Hardly a day goes by when I don't have to get my card out and spend lot's more money ....

Cheers.

Allan.

You got that wrong.!

Don't worry I corrected it for you. winkwinkwink

Nick laugh

Thread: Stuart Beam
28/04/2014 19:13:32

 

Cheers for the replies guy's.!

Yes, I am familiar with Allan's thread. - Very good in both description and the end product. The Victoria (due to Allan's thread) is also a contender.

Along with this. :- **LINK** Yes I know it's considerably bigger. But does 'look' reasonably straightforward. indecision Just bigger. Like a Stuart 10H on steroids. wink

A builders notes here. **LINK**

 

Nick

 

Edited By Nick_G on 28/04/2014 19:17:24

27/04/2014 21:03:10

.

Thinking of purchasing the Stuart beam engine kit for a 1st project.

They do 2, one large and a smaller one. It's the smaller of the 2 (the one with the 7 inch flywheel)

This one (someone has documented their construction.) **LINK**

Opinions please. smiley

Nick

Thread: Electric Motor
27/04/2014 00:37:19

It 'could' also mean that it is a dual voltage 3 phase one. Are there any capacitors strapped to it. (tubes)

Any chance of a photo of the connection terminals.?

 

Nick

Edited By Nick_G on 27/04/2014 00:38:33

Thread: Tools for C1 Lathe
26/04/2014 23:05:16

I am watching this thread with interest as a recent purchaser of a lathe.

Mine will take up to 16mm tools, but as my interest will be model making there are many times I can envisage where 16/12mm tools will be to large to get into the area of the job required.

I am 'thinking' that a selection of 8mm tools may also be required.

Regards, Nick

Thread: Who's going to Harrogate
26/04/2014 19:55:07
Posted by NJH on 26/04/2014 19:51:23:

Where the heck is Harrogate?

It's on the shore of the Sea of tranquility. yes

Nick wink

26/04/2014 16:28:52

I think it would be wise and informative for me to attend.!

With me being a newbie I will probably learn loads from just watching, looking and listening.

You will easily spot me as I will be the guy looking like a confused and startled rabbit in headlights. surprise

Nick laugh

Thread: Hello All.! (newbie here)
26/04/2014 16:22:28

Chuck Jaw donation.

Now there must be a matching set in this lot.?

They are in the dishwasher as I type then I will be able to see what I have got.

Thread: Problem setting up stationary engine.
25/04/2014 19:16:41

Would it help others to advise if you took video with your phone. (does not have to be a good one) and posted it to Youtube.?

Nick

Thread: Grinder stone types
24/04/2014 21:19:12

Just been to a friend of mine to use his bench grinder. (one was on my shopping list)

Anyway. He had a nice spare 6" one and has kindly donated it to 'the cause'.!

What are the type of stones I need for sharpening lathe tools, and are they different types for HSS and tungsten.?

Cheers, Nick

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