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Thread: Building a magnabend
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19th July 2012, 12:48 AM #16New Member
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Has anyone actually built DIY Magnabend? I can't even start. Local steel suppliers don't stock 100mm x 50mm K1045 cold rolled flat bars (here in Perth). Any ideas where to get it?
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19th July 2012 12:48 AM # ADSGoogle Adsense Advertisement
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19th July 2012, 07:36 AM #17Pink 10EE owner
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Maybe the US... You would be very lucky to find any shape other then round of 1045 steel in Australia.. Believe me I have tried, no one uses must use it in square/rectangular sizes...
Light red, the colour of choice for the discerning man.
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19th July 2012, 09:10 AM #18SENIOR MEMBER
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- Mar 2010
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- Nth Qld
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Ian Stansfield Smith claims to have 150 x 100mm black K1045 in stock: http://www.alloy-steels.com.au/stock...fs/flatbar.pdf on the last page 3. That could be plasma cut into at least two pieces 100x 50mm.
Didn't the designer of the magnabend say it was purely because the 1045 was a bit harder than straight mild steel in it's normalised state. If that were the case you could substitute mild steel and attach a tough surface piece like a piece of un heat treated leaf spring to the top for wear. It would need to be a good mating fit to prevent an air gap for the magnetism though.
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19th July 2012, 08:43 PM #19I break stuff...
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- Aug 2010
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- Melbourne
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Certainly did!
Material:
A medium carbon steel, say K1045, is a good choice however if you cannot obtain this then CS1020 would be OK or just mild steel is also OK but it will damage a bit more easily and does not machine quite as well as the higher carbon steels.
Taken straight from the link in the previous page.
Here for the lazy ones!
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20th July 2012, 09:59 PM #20New Member
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- Jun 2012
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- Perth
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- 3
Thanks guys, I'll give 1020 a go.
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20th July 2012, 11:13 PM #21
Interesting coincidence. I looked at the web pages just for interest sake. I have way too much to do now! The Maxton weather station mentioned and shown for the "Stevenson screen for a home weather station", just above the magnabend was one I had not looked at. I googled it and found it at a price that has decided me to buy it. Been waiting for a long time to find one at the right price (affordable) and with a decent radio range. With all the trees around our house we need something that can transmit from well out into a paddock.
Thanks for that link RC.
Dean
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21st July 2012, 01:23 AM #22GOLD MEMBER
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- Jul 2006
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- Port Huon
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- 2,685
More OT - sorry.
Dean, Which weatherstation are you looking to get? I had this one on Sydney and would like to set one up again down here. There's a solar powered version as well, a little bit dearer.Geoff
The view from home
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21st July 2012, 09:53 AM #23
That looks like the same unit. SKU WS-1081. Solar powered could be handy as I was intending to mount mine on a tall pole to obtain more height to clear trees. Theory is, with rain gauges to have the gauge 1.5 times the height of any tree, away from the tree. The best one I have found until last night was from Jaycar and only had a range of 50m. I stepped that out a couple of weeks back and it got me nowhere. Trees and more trees. 150m would give me the middle of a paddock which is clear of trees. Lots of options but I want to mount on a fenceline. Easiest to mount on a post. Also if it is in the middle of the paddock it would need some serious protection from nosy cows.
Thanks for that link. Cheaper than Crazysales. I thought I had checked EBay. Guess not.
Dean
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21st July 2012, 10:15 AM #24
Geoff can you give me some idea of rainfall statistic storage method. I currently record rainfall and enter in to an excel worksheet which provides a graph of monthly falls over the year.
Dean
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21st July 2012, 09:39 PM #25GOLD MEMBER
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- Jul 2006
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- Port Huon
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Dean,
Do you intend hooking it up to a computer? If so, the Cumulus (free) will do all the forecasting, averaging etc for you. It doesn't mean that you have to have the computer on all the time as the weather station console will store sampled data for later uploading.
Can't help with an increased range model, they're all pretty much the same in that regard.
Here's a weather station just up the road from me. It's a Fine Offset model 1091Geoff
The view from home
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21st July 2012, 09:51 PM #26
Hooking it up to a computer. Yes I intend to download data to my computer.
Computer not nedded to be on all the time. I understand that.
Increased range. The one we are talking about is 150m. This is the only one I have seen that is. 150m is ok for me but any less, ie 100m may be a bit short on range.
I am wondering whether I can incorporate the data into my current data base. I would guess so as most applications like this have a spreadsheet export function but not sure.
Thanks for your reply. I have just ordered one from EBay.
Dean
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6th August 2012, 10:03 PM #27Member
- Join Date
- Mar 2005
- Location
- Hobart
- Posts
- 71
Hi Ray
The E shaped magnet bodies make excellent magnetic chucks. I actually worked for Alan Bottomley during the development of the Magnabend .
I used a bare magnet body to hold the bending beams for machining (milling) and anything else that was too thin to clamp conventionally. The only thing to look out for is that all of your cutters get magnetised and swarf can marr the surface.
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