Recent Posts

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21
The Design Shop / Re: Mill/drill stand for Warco Major mill
« Last post by tom osselton on October 14, 2018, 07:36:16 PM »
Looks good but Iíd be worried a little the machine base is bigger than the stand and once the table is moved to the end of travel supporting any weight the leverage just might tip it! I see itís bolted down Iím just saying!
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Introductions / Re: Hello Mad Modders from Merseyside UK
« Last post by tom osselton on October 14, 2018, 07:22:40 PM »
Hi Pekka, Thank you for the welcome,😊 your house sounds like a coffee nirvana.
The little Gas forge was easy to make but I have since seen them for sale on Ebay quite cheaply with a proper burner and lining, mine worked okay but the plaster of paris and sand lining cracked and fell away pretty much after every use but a nice little project none the less. I would say go for it :thumbup:
Because I was using a gas/butane mix blowtorch the metal was not really getting hot enough so drawing the metal out took lots of hammering, which understandably drew the odd complaint from neighbours so I have shelved it.

Paul
I wonder what would happen if the powdered fireclay was mixed 50/50 with the plaster.
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How do I?? / Re: Sizing Dro Scales on Sieg sx2 Plus
« Last post by chipenter on October 14, 2018, 02:44:35 PM »
Does this help ?
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How do I?? / Re: Sizing Dro Scales on Sieg sx2 Plus
« Last post by mc on October 14, 2018, 01:52:41 PM »
Those are the more common size of optical encoders, but you can also get a slimmer version, which can be handy especially on the Y-axis where mounting space can be at a premium.

I'll send you a PM with some details.
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How do I?? / Re: Sizing Dro Scales on Sieg sx2 Plus
« Last post by Buell on October 14, 2018, 10:57:15 AM »
My plan was to use the Glass scales. approx £170.00 all in 3 scales and a Dro display gives you all the whistles and bells...circle diameter with holes set ..points to go back to and many other. I guessed if i was to spend £100 on cheap stuff i may as well go large and give my self a fighting chance of doing some of the other things i may find myself wanting to do in the Future. They have i guessed a small level of glass in them so Not very adaptable ! but yes i think i will go for as near as the same length as each axis..Thought if i go for the 500mm for z Then if I ever take it off and get a bigger machine may have the chance to use in one other location !
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Introductions / Re: Hello Mad Modders from Merseyside UK
« Last post by PekkaNF on October 14, 2018, 05:57:20 AM »
....
Because I was using a gas/butane mix blowtorch the metal was not really getting hot enough so drawing the metal out took lots of hammering, which understandably drew the odd complaint from neighbours so I have shelved it.

Paul

As your neighbour, I would be uppset to if you forged blades too cold - it could cause all sorts of problems like cracks and delaminations. :wave:
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The Design Shop / Re: Mill/drill stand for Warco Major mill
« Last post by PekkaNF on October 14, 2018, 05:54:13 AM »
uhuh

Shimming it straight was not easy (nor completely over) :Doh:

I think that not only the floor is skewed but the welded fame has a set and something flexes on 0,1 mm /m scale when bolts are tightened.

The big idea was to nip the frame reasonably straight and true on mill base (it is ribbed cast iron frame with some rigidy) and then shim it level and relaxed on the floor. That did not give consistent results.

Plan "B" now it is reasonably level, but not completely straight. I bolted it down, let it settle and if it has big issues I shim again the base. If it stays on level, I will shim the mill straight betwen mill plinth and table frame.

Next time I'll design adjustment on the floor pads.

After I bolted the frame on the ground i cut the bilical cord - took away the hoisting equipment. Now it has to stand on it's own.
29
New from Old / Re: The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)
« Last post by awemawson on October 14, 2018, 05:28:47 AM »
Pekka I agree about flat cable - I'm only using it in a temporary adaptor set up for the analyser. (Though Siemens use about 1.5 meters of the stuff to link the X121 RS232 port on the CPU card to the socket on the operators panel.)

The cable I've been using in the main is the one that I can happily load the 820T from and also dump back ups - usual screened RS232 stuff.

Guests for lunch today so not much will happen, but I've ordered one of those gizmo's that Moray linked to, along with a MAX3232 board to convert RS232 / TTL. It looks a generally useful bit of kit at a very low price. It hopefully will let me more easily see character length to find this framing error thingy. Trying on a conventional 'scope is a pain as the triggering is inconsistent (as is the data I'm looking at).

This version of STEP5 has a drop down box to select which COM port to use - lucky as I only have COM2: available, but the silly thing is that the bit where the com port is selected doesn't have anything to select the ports parameters.

One has to remember this program was written in an age when expectations were far less, and things have moved on considerably since then in terms of usability.
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Introductions / Re: Hello Mad Modders from Merseyside UK
« Last post by paulc1 on October 14, 2018, 04:56:38 AM »
Hi Pekka, Thank you for the welcome,😊 your house sounds like a coffee nirvana.
The little Gas forge was easy to make but I have since seen them for sale on Ebay quite cheaply with a proper burner and lining, mine worked okay but the plaster of paris and sand lining cracked and fell away pretty much after every use but a nice little project none the less. I would say go for it :thumbup:
Because I was using a gas/butane mix blowtorch the metal was not really getting hot enough so drawing the metal out took lots of hammering, which understandably drew the odd complaint from neighbours so I have shelved it.

Paul
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