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Member postings for Nimble

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

Thread: Shortening Screws
13/12/2021 20:25:51

20211214_090334.jpgHi Vic'

One method of shortening screws is to screw on nut with excess length protruding, hold nut in vice and use a cold chisel to cut off excess length, unscrewing nut from screw will clean up thread.

Alternatively a cheap and cheerful “lantern chuck” can be made by turning down a short length of rod and threading the end, then using dome nuts in the three jaw drill and tap to the require size (head of screw must be able to enter), position screw to give length of screw required. Screw nut onto threaded shaft until head hits end of threaded portion, place in chuck and turn off unwanted portion of screw. Disassemble to remove screw.

I have done down to a 2mm screw.ic

20211214_090321.jpg

Thread: Turn Of The Screw
21/11/2021 00:57:37

Hi Martyn,

If you have an engraving tool (graver or burin) use that to create a groove away from the entry point or groove as per Grahams post. In king pins this groove did not go all the way to the end of the bush.

Regards,

Nimble Neil

Thread: Wonky threads using die
21/11/2021 00:48:37

Hi Steve,

What I do is turn about the dies width down to the root diameter of the thread and put small chamfer on the end of the rod, either then slip the die over the reduced shank or if necessary proceed as if threading when you get to the full diameter of shaft commence threading as per normal.

Perfectly aligned!

Regards, Nimble Neil

Thread: Cylinder Head Combustion Chamber Template
14/09/2021 04:25:54

Hi William,

How about a commercial 3d scan and have them output a file of the flat surface of the head, .this could then be output possibly to a sign-writers stencil cutter. This is food for thought for myself when I need to re-do a head gasket for my1926 Renault, as the previous gaskets re-cut from old gaskets and do not necessarily pass over the head studs.

Regards, Nimble Neil.

Thread: Autolock stuck drawbar won't screw in
16/07/2021 03:03:14

Hi Michael,

Duncan has just reminded me of the method that I now use . I have a 32mm spanner machined down to 3mm thick which goes on the nose of the quill and using a "C" spanner in the dampening ring of the Clarkson (as Duncan mentions and from memory a left hand thread) you can eject the chuck easily. Use a cloth for the chuck to drop onto to avoid damage to the chuck. Best of luck.

Regards,

Nimble Neil

15/07/2021 22:27:17

Hi Michael,

It looks like your set up is an Emco mill. On mine to eject an S type Autolock I use a 5/16 rod 6 1/8 " long stepped at one end to 1/4" and inserted reduced end down then use fine threaded nut to eject.. To hold the Autolock , I have created an extension female- male, looks like 8mm female to 3/8"w/w male (but would check that) over al l7/8 male.so that I can use 8mm draw bar.

Will try to add photos later.

Nimble Neil

Thread: Harrison M250
04/06/2021 21:57:08

Hi Malcolm,

How about in line ball joints.

https://www.aetnascrew.com/ball-joints.html

Dismantle to get diameter and size required.

Nimble Neil.

Thread: Thread on front forks on a Raleigh bike
25/05/2021 21:57:21

Hi Mike,

I also own a 13/60 Herald and would be interested in your EFI. any information you could give me would be of interest PM me if you wish.

Nimble Neil.

Thread: Looking for a book
16/05/2021 04:36:43

Hi Stewart,

A good source for second hand and old books is https://www.abebooks.com/ fill in details as few or as many as you know. Great source!

Regards,

Nimble Neil

Thread: Should there have been an oil seal?
01/03/2021 19:58:19

pgrbbf,

I wholeheartedly agree with using sealed bearings, not only do they retain lubrication within, but they also stop the ingress of grit and sawdust, probably the best reason for their installation. When overhauling my vintage car I used sealed bearings whenever possible they also stop leakage of lubricant onto nearby parts brake shoes in my case, and wood surfaces in your case.

Regards, Nimble Neil.

Thread: Delay to Issue 299
28/02/2021 23:22:13

01/03/21

Stiil awaiting Issue 299 MEW here in New Zealand. Is It Royal Mail or is it NZ Post? At one stage it would appear that issues were sent in bulk to NZ then mailed from here. Are other Kiwis receiving their issues?

A hacked off Nimble Neil.

Thread: Oiler from lamp Bulb
22/02/2021 01:45:38

Hi Brian,

Perhaps if you get into glass blowing you could start making Klein Bottles!

https://en.wikipedia.org wiki › Klein_bottle .

Care should be taken when blowing, that moisture does not condense on the inside of the tube as it can cause the glass to fracture.

Regards,

Nimble Neil

Thread: Starting out a young enthusiast
14/02/2021 23:01:07

Hi Viv,

Perhaps a first simple task would be to make a "camphor boat" then move on toa "put-put" ("putt-putt", " pop- pop" boat. many plans are available on the net, and not much in the way of tools required. If wanted could make a simple version, then make more complicated versions

Regards,

Nimble Neil

Edited By Nimble on 14/02/2021 23:06:48

Thread: Pipe bending
13/02/2021 19:00:28

John,

have you considered using a specialist automotive muffler repair business to undertak your pipe bends. I believe some of them have bending machines that withdraw a central former to stop the tube collapsing.

Regards,

Nimble Neil.

Thread: MEW issue 301
11/02/2021 07:57:43

You lucky people!

Here in NZ we have only three deliveries a week. I received issue 298 on 25/01/2021.

i Guess 3months to issue 301!

Nimble Neil.

Thread: Which ball turner?
30/10/2020 03:00:45

Hi Jim,

If you go to the boring head style make sure you look at **LINK**

He shows the best idea for a cutting tool, using a circular insert ceramic tool tip. No grinding of difficult angles for the cutting tool, a brilliant system! ------ I see I am too late as you have made your decision, but any others either using or contemplating the boring head style should take time out to look at this.

Regards,

Nimble Neil

Thread: 3D Scanners
19/10/2020 03:06:28

Hi All,

I notice in Jaycar Electronics Catalogue (Australia & NZ) them offering a 3D scanner with MF Studio Software and Quickscan Software (Cat No. TL4420. ) Has anybody experimented with or used 3D scanning?

Perhaps an article for MEW!

Neil

Thread: USB Back Issue
19/10/2020 02:59:12

Hi,

I notice recently an Australian Electronics magazine offering back issues on a USB stick. As the magazine is produced electronically and available to E-magazine subscribers would this not be an additional service to subscribers?

Neil

Thread: Emco V10p
23/09/2020 22:25:57

Thanks Thor and Alan, I will endeavour to join the Emco users group.

At the present I cannot connect to the "elcompty" site but will try again. At this stage the electrical diagram was only to future proof my info on the V10P.

On further investigation it may be the transfer gears from the Norton box to the lead screw and the feed shaft may be where the problem lies.

Regards.

Neil.

22/09/2020 03:59:29

LOCATION: Auckland, New Zealand

LATHE: Maximat V10P (Metric). S/No. C 7404311.

I had just finished boring an opening in 3mm plate and was about to de-burr when I got a sound as if something was winding up and releasing with a spring like effect. My Initial reaction something had got caught in the drive belt. Not so.

I then checked the head stock gears, and all was OK.

While I had not been using the automatic feed, drive was going to the Norton Gear box via the reversing gears. Putting the reversing gears in neutral, enabled the chuck to be freely turned by hand. On further investigation the problem was located in the change speed gear lever and gears of the gearbox.

I suspect that either the ball races or needle rollers have collapsed.

Has anyone had any experience with the Metric Norton gearbox (its detail differs between it, and the Imperial version). Can this lever and shaft be removed without removing the gearbox? It is not absolutely clear from the parts diagram. Has anyone had any experience of what procedure is needed?

Also does anybody have a wiring diagram for the 5 button electrical box? I would just like to have one on hand as I have to re-cable the milling head.

Neil

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