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Member postings for Michael Cox 1

Here is a list of all the postings Michael Cox 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Result - the 2019 Stevenson Trophy
13/05/2019 16:33:43

Thank you all for your kind words and thanks to all that voted for my low profile clamps.

Kind regards


Thread: seals for mini lathe tapered roller bearings?
01/04/2019 21:42:24


I do not remember having to do any work on the end caps, but it was 6 years ago. I will have a look tomorrow and give you an update.


01/04/2019 20:21:38
Posted by Martin of Wick on 01/04/2019 18:30:22:

There is a possibility that a 48 x3mm O ring could be used if the external cover was adapted a bit more - not a seal as such, but would minimise the gap on the external faces and help keep out coarser muck.

This is the approach that I used when I did my taper roller conversion. I figured that at the very least the o-ring would act as a thrower ring and prevent oil and swarf migrating along the spindle shaft. I did the conversion at least 6 years ago. Every year I remove the plastic endcaps and inspect for debris. I have never found anything after the o-ring.

Thread: New Zealand Terror Attack
15/03/2019 11:34:40

I too echo Niels comments. I hope the families and friends of those killed and injured get the support of their own community and the support of all NZ people.

Thread: Last Night's Astro Image
28/02/2019 10:57:22
Posted by John McNamara on 28/02/2019 05:41:53:

Gee Neil

You are really kicking goals with your astro imaging, I am in awe of the images and the work you need to have done to get them.

What I am in awe of is that Neil holds down a day job, edits MEW, writes books, spends time in his workshop, is very active on this website and he still finds time to sit outside at night staring at the stars!!!! Amazing.

Thread: Balco 3D Printer
27/02/2019 22:13:04

My Balco printer, the same as the current offering from Aldi, has a very firm steel frame and is already equipped with a cooling fan on the extruder. I have had no problems with it straight out of the box except for the levelling screws on the print table being a bit loose. This problem was easily solved by printing some washers that fit under the springs of the levelling screws.


Thread: Motor for a Sieg X1 mill or (M1 attachment)
07/02/2019 11:27:42

I just remember seeing this:

This is a powerful;motor, 500W, and variable speed power supply already assembled at a cost of £120


07/02/2019 11:22:00

The motor that you picture on the Clarke milling attachment to the C1 lathe looks identical to the motor on my X1 mill from ArcEurotrade.

Since it is unlikely that you would need to use the milling spindle and the lathe spindle at the same time I suspect that the attachment does not have a separate power controller board and that it is run from the same controller as the lathe motor. Is there a socket on the back of the C1 that the attachment plugs into?

I would urge you to consider making a belt drive conversion rather than replacing the gears in the mill headstock. The belt drive is much quieter, smoother and reduces any shock loading on the spindle. It is sudden shock loading that tend to upset the controller board. My belt drive conversion on the X1 mill is shown here:

As an alternative motor you may be able to pick up a small dc motor that was made for an electric golf trolley. Ebay usually lists some of them. This could be used with a 12 V motor controller from Ebay


Thread: Cheap 3D printers
07/02/2019 11:04:13
Posted by John C on 19/11/2018 17:05:09:

I have several Aldi hand and power tools, all of which do 'what it says on the tin', but are not pretending to be high-end products. With that in mind, what would the forum think of this:


I bought one of the ALDI printers and I am very pleased with it. The only problem that I have had is that the springs on the bed for the levelling screws are too short and they do not hold the bed in a reproducable position. I 3D printed some spacers to fit under the springs and everything is better now.


Thread: Super glue filler
26/01/2019 20:36:52

Small hollow glass microbeads used to be recovered from the flyash of coal-fired powerstations. They were known and markerted under the name Armospheres. In the match industry they were used as a way to control the density of the match composition applied to the end of the match stick. I guess with the demise of coal fired power stations they are less available than they used to be.


Thread: Keyway cutting
25/01/2019 12:41:31

Here are the things I have made to do internal keyways:


Thread: Difficulty with gears for some thread pitches. (mini lathe)
19/01/2019 15:14:13

Here is another option:

Thread: 1.5 hp dc motor
29/12/2018 20:59:25

This might be of interest:


Thread: Min lathe steady rest for up to 65mm diameter
27/12/2018 09:17:42

Here is my solution:


Thread: Mini Lathe Rear Tool Post
15/12/2018 19:34:53


I made a rear toolpost for my minilathe, see:

Before making the toolpost I had already made a tee slot cross slide which was considerably longer than the standard cross slide.

The tee slot provide a ready means of attachment for the rear toolpost but I think the rear toolpost could be attached directly to the cross slite it a hole were drilled and tapped .

The big problem that you will have using the standard cross slide is there will be little distance between the front toolpost and the rear toolpost and this will limit the size of work that can be turned. If you are only making small parts than maybe this will not be a problem.

Perhaps the cross slide could be extended back by bolting a piece of steel plate to the top of the cross slide that overhangs the back. The rear tool post could be mounted on the overhang.

I hope this is useful


Thread: Blackening steel parts
28/11/2018 18:13:26

There has recently been an interesting posting on the HSM forum for blackening steel using ammonium nitrate. This seems to avoid most of the complications and dangers associated with normal hot blackening baths. see:

When I have obtained the material I intend to give this process a try.


Thread: Non-Ferrous Casting
23/11/2018 18:13:26

I regularly make lost foam castings by just burying the foam in loose dry sand with a foam riser protruding above the surface. No need for greensand or venting.


Thread: Fitting an adjustable damper to my power saw
22/11/2018 16:59:22
Posted by martin perman on 22/11/2018 16:03:23:
Posted by Gary Wooding on 22/11/2018 15:37:44:

See **THIS**


Interesting article, I've tried to join the group but even though I have a login I cant get access to the files.

Martin P

The hydraulic downfeed and many other improvements to the bandsaw were described in detail, with full constructional drawings, in a series of articles in MEW 227, MEW 228 and MEW 229.


Thread: Mini-lathe dying..?
17/11/2018 13:13:15
Posted by Ron Laden on 17/11/2018 11:01:10:

The pot would be really easy to replace and as Joe suggests a sealed better quality one would be a good idea.

I will see how it goes and should it play up again I will replace it.


The pot is actually quite difficult to source because the switch at the back turns off, ie contacts open, as the control knob is turned clockwise. This is the opposite of most normal posts where the contacts close as the control knob is turned clockwise.


Thread: Cutting a keyway without a broach
10/11/2018 18:43:21
Posted by John Baron on 10/11/2018 16:55:57:
Posted by Michael Cox 1 on 08/11/2018 21:59:27:

Here is an easily made adjustable broach:

I would suggest that you remove most of the material by drilling or milling first and then use the adjustable broach to clean up the slot.


That tool is based on the one that I published on another forum some years ago

One of the things that makes it unique, is the method I used of retaining the cutter.

My broach was not based on yours but it does use the same principle. My broach has been on my website for about 10 years and an article on it was published in MEW 184 in December 2011.


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