Modern Blacksmithing Rational Horse Shoeing and Wagon Making
with rules, tables, recipes, etc., useful to manufactures, blacksmiths, machinists, well-drillers, engineers, liverymen, horse-shoers, farmers, wagon-makers, mechanics, amateurs and all others who have occasion to perform the work for which this book is primarily intended. by J.G. Homstrom 1901
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Slips Hare Plow
We shall now weld a slipshare. When the point is finished hold it to the plow with a pair of tongs while you fit the share. When the share is fitted take the point off from the plow and fasten it to the share with the clamp. As I have said before, there is no need of fastening the share to the landside point with the plow as a guide. If the landside and share are right there cannot be any mistake, and it comes easier to screw them together over the anvil. Now proceed as with along bar share, and when the weld up at the joint has been taken, fit the share to the plow while hot. Some smiths in preparing the landside point for a slipshare will place the share so that the point is a little too short back where it rests against the end of the plate. This is a bad idea. It is claimed that, in welding, the landside point will swell enough to make it reach up against the plate. This is true, if the landside point is only high enough; but if it is low and you lose a heat in welding, as most smiths do, then your landside point will be both too low and too short.
Thousands of shares are made every year that have this fault. Therefore, whatever you are doing have stock enough. It is easy to cut off from the landside while yet hot, but it is difficult to repair if too short. No share will work steadily if the point does not rest right against the plate. In blacksmithing, every beginner, and many an old smith, makes the mistake of providing less stock than is needed for the work to be done. It is essential to have material to dress down on; and if a heat is lust, or a weld, it will make the stock in the article weaker, and to meet these exigencies there must be material from the start, enough for all purposes. There is also a wide difference of opinion as to whether the share should be welded at the point or at the joint first. While I was yet a young man and employed in a plow factory, I had an opportunity to see the different ideas set to a test. In the factory the practice was to weld the point first. A plowman from another State was engaged, and he claimed that it would be better to weld the share first up at the joint. He was given a chance to prove his assertion, and the result was that 3 per cent of his shares broke over the inner side of the landside at the joint in the hardening, and 10 per cent ripped up in the weld at the same place. These are results that will always follow this method.