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Sorry, if you look at the internet, you will find 4130 is a Cro-Moly that was primarily used to make mechanical tubing and sheet for the aircraft industry. I spent a lot of time when I was a working mechanical engineer working in the aircraft industry utilizing 4130. This is not important though, as its not anvils.As I said...I guess that anvils are made from 4130 and 4140, but it is expensive, and unless you find one, it will cost you a bunch. More than I can afford anyway.Good luck and have fun.
i can't download the SW file...any suggestions?
So you should elinate the push buttons?
Nice job.I have a set of very old Technics speakers, from back in the day when Technics was Panasonic's professional label. The problem is the speakers are metric not inch sizes and the available kits don't fit. I did do the mid-range drivers, what I guess you call "squeakers", but they requires making surrounds from another set of "inch' parts. One day I might do the woofers if i can find a kit that will work.
4130 is chrome molly, I'm surprised that anyone would use it for casting a anvil.So the first step in the instructable is to go out any buy a $700 anvil.
I worked for a medical device manufacturer who used a similar box in the clean room (with a bottom). Because of quality and cleanliness issues they would throw them away on a regular schedule.I would wait at the back door and grab all that I could (a lot with everyone else). My garage is full of them ...full.If anyone lives near such a company, they should check the dumpsters regularly.Keep away from scrap parts though; they will come after you if you attempt to take any of that stuff.
Some of the old magazines are available on the internet, if you do a search for Popular Mechanics(X) or Popular Science, there are archives of these and similar magazines for free.I use them all the time for some great old articles on model building and metal working.As another retired mechanical engineer i find them a lot of fun.
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