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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.

<< First < Prev 18 19 20 21 22 23 24 25 26 27 28 Next > Last >>
Thread: Honey pump
26/09/2011 16:00:00
Hi Clive,
 
Have you considered an oil pump such as this one:
This is made for dispensing oil from a large drum. It has a stroke of 300 ml. It is chrome on steel construction so it would probably be easy to keep hygenic. The only things that might require changing would be the valves and seals in order to make it food friendly.
Mike
 
 
Thread: Rotary broaching - the easy way
20/09/2011 22:22:37
Posted by jacques maurel on 20/09/2011 16:03:49:
read my article about "polygonal punching tool" in ME N°4310 oct 2007 it gives informations about the hole to drill before punching.
J Maurel
Hi Jaques,
Thanks for your message. I do not have access to back copies of ME. Could you send me a copy. PM me if this is possible.
Mike
20/09/2011 10:26:37
Hi Peter,
Thin iron wire is readily obtainable from most florists. It is used in arranging flowers as stem supports etc.
Mike
20/09/2011 10:19:09
Hi Ramon,
There is write up of the toolpost, including dimension drawings, in MEW 158 (Dec 2009) entitled "A novel quich change toolpost".
Mike
20/09/2011 08:15:13
Hi Ramon,
The tool post is a simple cylinder, with six vertical cuts at 60 degree intervals, that is expanded by a cone at the top.
Mike
19/09/2011 18:24:37
I have developed a tool for rotary broaching that is very simple to make. It also facilitates making the required cutters. Further details are here:
I hope this is of interest to other members of this forum
Mike
Thread: Michael Cox Tangential Tool Holder- MEW 179
14/09/2011 22:58:16
Hi mick H,
I have not used my tangential tool for cutting brass many times but I have not found any big problems with it. However there are so many grades of brass that maybe my experience is not representative of all brasses.
Normal cutting tools for brass are ground with zero top rake. This could be achieved on the tangential tool by grinding the tool tip at a different angle. This could be achieved by setting up the tool in the tangential tool holder, with some protrusion, and then grinding the tip of the tool parallel to the upper clamping surface of the tool holder shank. A simple jig could be made to hold the tool in the correct orientation during grinding by clamping the upper clamping surface of the shank to a square bar and then just touching the tip against the side of a grindstone.
I hope this helps
Mike
Thread: Fitting a backgear to a variable speed lathe.
04/09/2011 17:40:30
Hi Pailo,
I added a layshaft to my minilathe to reduce the speed by a factor of about 2. More details are on my website:
I hope this helps
Mike
Thread: Michael Cox Tangential Tool Holder- MEW 179
03/09/2011 13:10:16
Hi mick H,
I have just returned from holiday and caught up with this thread. As Chris has already told you the channel on the grinding jig is a 90 degree groove so there is only one possibleorientation for the tool.
Mike
Thread: Cycle computer from Wilko used as Rev counter
26/08/2011 18:52:07
I have checked mine against a commercial hand held photo reflective tachometer and it is accurate up to at least 2200 rpm (the max speed of my lathe).
Mike
Thread: Michael Cox Tangential Tool Holder- MEW 179
22/08/2011 18:06:18
Glad you like the toolholder. Thanks for the interesting comments regarding the orientation of the toolbit. I will make some trials myself when I get time to understand what is going on.
Mike
Thread: Tang type Morse Taper cutter
13/08/2011 20:08:08
Could it be intended to be a drill for producing flat bottomed holes?
Mike
Thread: Sheet Metal Folder
05/08/2011 18:10:08
Hi Keith,
you might also consider using a nibbler for cutting. RDG (www.rdgtools.co.uk) do one for about £25 that fits a standard portable electic drill. This will cut 1mm thick steel, at high speed, without any problems and gives a clean, distortion free edge. You need to guide it using a piece of wood clamped to the sheet as a straight edge. (You can also cut curves with a suitable template).
I have one of these tools and it is excellent. I have modified it slightly to make it easier to use, see
Mike
Thread: Can Anyone Help Identify This Gear Please
28/07/2011 11:44:22
Hi Phil,
If you can take a good high resolution photo of the gear and can transfer it to a CAD program then it is easily possible to distinguish gears with pressure angles of 14.5 and 20 degrees. My method is explained here:
I hope this helps.
Mike
Thread: Internal swing up toolholder
21/07/2011 20:05:42
Since my previous report on the swing tool for internal threading I have made many more tests. The tests previously reported were carried out in aluminium and the tool performed well. However, when I tried to cut threads in steel it was a totally different story. The cutting tool visibly deflected downwards at the start of the cut and this was accompanied by a great deal of chatter. Once it was well into the work it settled down and behaved much better but the first turn of the thread was very badly formed.
I have since designed, built and tested a much more rigid tool that overcomes these problems and performs well even in tough steels.
For those still interested there are more details here:
Mike
Thread: Tee-slotted cross-slide query
20/07/2011 20:21:53
Hi John,
If all else fails you could make one. I made one for my minilathe, see:
Mike
Thread: Internal swing up toolholder
17/07/2011 19:20:40
Hi Bogs,
I am sure that when you make your version of this tool you will add more bells and whistles that further enhance performance and improve construction and/or simplicity.
Mike
16/07/2011 17:35:52
Hi All,
I have refined my swing up tool for threading so that it now combines functions for both internal and external threading. More details are here:
Mike
15/07/2011 08:15:27
Hi Bogs,
I think the only limitation on the size that can be tapped is the size of the cutting tool so in principle with a purpose made small cutting tool you can achieve this.
Mike
15/07/2011 07:46:28
Hi Chris,
Nice tool. It looks like you have adopted the same design concept of putting the pivot point below the tool.
My tool can go down to M10 thread.
Mike
<< First < Prev 18 19 20 21 22 23 24 25 26 27 28 Next > Last >>
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