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Member postings for Clive Hartland

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

<< First < Prev 126 127 128 129 130 131 132 133 134 135 136 Next > Last >>
Thread: Rep Rap
30/01/2012 16:47:59
Bear in mind that a Branding Iron is 'Reversed'
So when applied to brand it is the right way.
 
Clive
29/01/2012 21:41:04
I fabricate them in 3mm x 20mm flat steel bar and form the letters and arc weld onto another piece of 3mm x 20mm and then weld a 5mm rod and form a ring handle.
I use these to brand Beehive items as a lot of thefts are taking place.
The letters I make about 30mm tall.
Much easier this way and one I made 20 years ago is still going strong!
 
Clive
Thread: Storage of taps, dies, slot drills and end mills
28/01/2012 19:54:50
Yes it had to happen, I keep my cutters etc in plastic boxes and I stack them. Cleaned the lathe and turned and as I did so, 'Crash' down came the plastic box with all the cutters in it.
All over the concrete floor and I spent ages looking for all the small ones.
Hopefully no damage but i will have to eyeball all of them later.
I think now I will have to come up with secure storage!
 
Clive
Thread: Vernier vs Micrometer
27/01/2012 10:40:34
I think its called Dislexia HansRudolf, It comes from latency in typing when you are thinking ahead of what you are typing.
 
Clive
Thread: Storage of taps, dies, slot drills and end mills
26/01/2012 21:12:56
Hello Roy, I am cutting my teeth on a little 2 cyl. steam engine first, all made from Bronze/Brass from my scrap box.
Basically just to get the feel of the Vertical slide on the lathe which bluntly is a bit of a hassle.
None of my vices will accept more than 50mm so may have to re-kit before I start.
 
clive
26/01/2012 17:32:54
15 mins to make all those blocks Roy, not bad!
 
Clive
Thread: Image size
25/01/2012 20:06:32
There is a very good picture re-sizer called, 'PixResizer' and its free to download.
You can choose any of the template sizes or set your own.
 
Clive
Thread: Stress relieve in castings.
25/01/2012 15:52:34
A better method is to pre-machine the castings with a given tolerance for later work and then put them away to age.
Hammering and vibration would work as well.
Time of aging is up to six months.
Remember welded components need to be stress relieved also by hammering.
Thats my theory anyway!
 
Clive
Thread: Facing a casting in the lathe
24/01/2012 13:51:17
You may call the tools what you will but it will NOT change the book description of what hand they are!
Clever engineers will make/grind a tool to suit an application at that time and have an assortment of tools build up from different tasks.
Left or Right, who cares?
 
Clive
Thread: Making your own case hardening compound.
24/01/2012 13:47:28
I have read the details with some interest, I have at times used leather shards as a case hardening compound.
Small pieces of leather from an old shoe is fine and put the item (small) into a piece of tube and cook in a flame or fire for an hour or so. The result is very good hardness on the surface and it is blemish free.
It is good enough for wear resistant parts and they do not become brittle.
 
Clive
Thread: Facing a casting in the lathe
23/01/2012 22:20:13
Yes Terry, that is how I have always been taught and what I pass on to others learning the lathe.
Takes a bit of getting used to though.
Having made HSS lathe tools during my apprenticeship all this was hammered into us.
 
Clive
23/01/2012 20:05:26
A bit of a mix up here about left and right hand tools in the lathe.
If you stand at the back of the lathe, a tool travelling towards the chuck is a Right Hand tool. away from the chuck it is a Left hand tool .
Anymore takes on this?
 
Clive
Thread: Loctite
19/01/2012 14:48:19
Regarding Loctite 290, this was inadvertantly used on the studs on an engine block and come dis-assembly they could not be removed and sheared under the retention of the 290.
Much annoyance at mechanic while drilling out 8 cylinder head studs.
 
Clive
Thread: Milling a curved end
18/01/2012 19:52:14
Filing buttons, it just came to me that enclosed ball bearings would make good filing buttons as they would easily rotate and the periphery is hard.
Might be worth saving all the old bearings.
 
Clive
Thread: Stainless steel shaft
16/01/2012 22:09:25
I will look at the RS cat. tomorrow at work, thanks for your help.
 
Clive
16/01/2012 21:05:08
I have just bought some stainless steel 5mm shaft and its not round, put in the triple plain bearings and it catches as it is turned.
Measuring it shows a slight ovality but its hard to measure.
Does anyone know of where I can get precision ground 5mm st steel shaft?
I have looked at HPC but no luck there.
 
Clive
Thread: Loctite
15/01/2012 09:47:39
Cleanliness is paramount with loctite, there is a spray that pre-conditions the surface before you apply the loctite.
Clean the surfaces with cellulose thinner and allow to dry and then assemble.
gap filling adhesives do need a gap! its no good assembling with a tight fit if it cannot have a gap to fill!
Thread locking types only need to be used if there is vibration or you have long intervals between maintenance or in places that you would have to dis-assemble lots of parts to get at the loose screws.
 
Clive
Thread: To CNC or not to CNC - that is the question.
15/01/2012 09:38:11
Many things are made under Licence and are as good as the original design.
detailed drawings will show tolerances and material and a well equipped modern workshop will faithfully copy and create a working article.
As it is now in industry many parts are made all over the world and arrive at an assembly plant and then the item in question is assembled for further distribution across the planet.
In the instance of Myford, they should, having aquired the name advance the design'
What was Myford is out for good and a new design incorporating what is best and with new features added will be welcomed.
Modular design and some digital additions will bring it into the modern world.
 
Clive
 
Thread: Mill Misalignment
14/01/2012 21:17:49
Arc Euro have under machine spares have exploded diagrams of milling machines in their range.
 
Clive
Thread: Cleaning T slots
13/01/2012 19:39:05
Get a bit of 15mm copper tube, cut across it a bit higher than the depth of the slots.
Cut through the tube under the slot and flatten out the tube and the cut/file the flattened piece to the shape of the slots and then use it to rake through the slots to clean them.
The copper will not harm the steel/cast iron.
 
Clive
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