[TheForge] Free at Last!
GRAF
adveniam at att.net
Wed Jan 23 18:12:35 EST 2008
Can you put a photo up somewhere ?
Mike Graf
Peter Hirst wrote:
> Good God Almighty, the Stake is Free at Last.
>
> After taking in all your posts here, and using a mostly well-planned
> approach, I spent the last four hours in the shop and am very happy to
> report that what rust and simple machines had joined, man hath torn
> asunder. After soaking the assembled stake anvil and swage block in PB
> Blaster for a week (1/2 a can) I was prepared to go the red-heat, 10lb
> sledge and drift route. I prepared by cranking up my wood stove in my
> cold shop (20 F this morning) and hitting both sides of the joint with
> PB Blaster. When the block got to an estimated 150 F, I took a wire
> brush to the joint on both sides of the block and made an important
> discovery. After the PB and wire brush removed a good 1/4 inch of
> rust and sludge, it revealed that this was not a 2 " stake in a 2"
> hole, but a 1 3/4" stake in a 2" hole, with wedges driven in on 2
> sides, flush with the surface of the block. This changes everything,
> I thought, since I could destructively remove the wedges, something I
> did not want to do with either the block or the stake itself. I could
> see that one of the wedges was well-worn and deeply grained wrought
> iron, while the other appeared to be mild steel.
>
> I immediately attacked the iron wedge with a rectangular drift 1/4"
> thick and a 4-lb drill hammer. It crumbled before this onslaught, and
> soon I had a 1/4" slot right through the swage hole, completely
> clearing one entire embedded face of the stake. Elapsed time about
> 1/2 hour.
>
> Applying the drift to the second wedge, the first blow felt like a
> broken bat foul ball on a very cold day. This one was not going to be
> so easy. I took the wire brush to it a little more to see if I could
> see better what I was dealing with, and it slowly brightened to a
> light grey satiny surface. Uh-oh. I then took a 1/4" high speed steel
> drill to the end of the wedge, and while it didn't exacly skip off, it
> sure didnt bite, either, This stuff was almost as hard as the drift I
> was hitting it with, which was made from an old file. This wasnt
> going to be so easy. elapsed time, 1 hour.
>
> I still had that one face free however, and 1/4" of space on one face
> all the way through the hole. Surely I could
> use that the get a little movement going between the still tightly
> wedged faces. More PB and alternate series of blows on opposite sides
> of the shank, parallel with the wedged faces. I figured if I could
> use leverage and sheer power to rotate the shaft even a degree or two,
> that woul be enough to break the rust on the wedged faces, and the
> rest would be easy. Using the 10 pounder, 10 blows to a side, I could
> get the wedged faces to rotate about 2 degrees with repect to each
> other, but no more. Elapsed time, 1 1/2 hrs.
>
> Having got this much lateral movement aolong the tightly wedged faces,
> I figured the basic rust bond was broken, and now its time to drift
> the stake frm the bottom of the block. I have a beautiful old wrought
> iron drift, about 1" square at the business end and about 2" across
> the head. Best thing I could think of to apply a blow to the stick
> end of the stake without risking peening it into the block. 50 or so
> blows and many checks and measurements later, the stake had not budged
> in the hole. Elapsed time, 2hrs.
>
> More PB. ANd more lateral movement. Instead of trying to rock the
> shaft laterally in the hole, I starting applying lateral blows with
> the 10 pounder and the iron drift right at the base of the stake,
> right up against the swage block. 20 or so blows finally opened up a
> hairline gap. 20 or so on the other side closed it back up again. ANd
> so on for 10 or so sets. I was now moving the stake laterally back
> and forth across the wedged faces maybe 100th of an inch. Another 10
> sets and it was moving maybe 1/50th. More PB and another attempt at
> drifting it out. Nothing. Elapsed time, 2 1/2 hrs.
>
> What was going on? The stake was clearly moving laterally in the hole
> but would not budge vertically. I was beginning to suspect that there
> was something very peculiar about the wedge. Could someone have used
> a piece of a file for this thing?
>
> More PB, and back to the lateral movement with the sledge hammer. In
> another 20 minutes or so, each 2 or three lateral blowls with the 10
> pounder would slide the base of the stake sideways the full 1/4 inch
> of slack in the hole. At this point I could get about 4 or 5 degrees
> of rotation between the wedged faces with alternating blows oth the
> end of the stake farthest from the block. After 10 or so cycles of
> this, I could rock the stake back and forth about 10 degrees by hand.
> Even with more PB, it still took 10 good blows with the heavy sledge
> to finally drift the stake free from the bottom of the anvil. As it
> slid out, the wedge didnt fall free, but remained in place.
>
> Also, as it finally slid free I noticed that the two parallel surfaces
> that had been hard against the wedge and the against the inside of
> the block WERE BONE DRY!! Those two surfaces had been touched by not
> a a DROP of the 1/2 can of penetrant I had applied. The other 2
> surfaces, that had been wedged with the iron wedge, were soaked with
> the stuff. But even when freed, these two surfaces that had been
> wedged so tightly were basically dry rust with a little bright metal
> shining through. Elapsed time, 3hrs, 10 min. Elapsed energy:
> probably 4-500 blows with the 10 pounder and twice number that with
> the drill hammer.
>
> I went back to the swage block to remove the wedge, and sure enough,
> there it was, the telltale pattern of a bastard cut file, very
> coarse and deep, like a a farriers rasp. But on one side only, the
> side that contacted the inside of the swage block. The other face,
> which contacted the shank of the stake, had been ground smooth, and
> was as noted, bone dry. So there it was. A previous owner had mounted
> this thing with a soft iron wedge on one face and a piece of file on
> the other. God knows what the result would have been if both wedges
> had been files.
>
> Anyway, I now have beatifully separate stake anvil and swage block.
> The anvil is not as heavy as I had thougt: only about 60 lbs. It
> measures 27" high and 29" tip to tip. The face is about 3x 6" and the
> octagonal shank is about 3" in diameter at the base, where its necked
> down to the 1 3/4 " stake. The block is much heavier than I thought
> at over 200 lbs. It was once heavier, but the years of use as an
> anvil base, obvously on bare dirt, rusted away significant voids on
> the bottom side. It is 5" thick in the sound sections, however, so
> there's plenty of mass left there to dress up right.
>
> I am alittle torn about whether to dress the anvil. Its obviously
> very old and I certainly won't touch anything but the working
> surfaces, and some deformations at the ends of the horns. I would
> like to grind and polish the face and horns, and use it for fine
> work. What do you think? Should I leave it as is or dress it up?
>
> Thanks to everyone for all of their input on freeing the stake. The
> time and attention really paid off. I hope this will be useful to
> others sometime. I think I used a little bit of most everyones
> suggestions, and I would be glad to post pics when I can .
>
> Thanks again, everyone.
>
> Peter Hirst
>
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