HARDFACING OF PLOWSHARES WITH STOODITE 1940s STOODY COMPANY FARM IMPLEMENT PROMO FILM 19884

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This undated silent film from the Stoody Company details the process by which plowshares are hardfaced with Stoodite, a cobalt alloy. It likely dates to the 1940s. At 0:48, the film states the type of plowshares adaptable to hardfacing and the need for them to be sharpened and heated to 1750 F before application of Stoodite. At 1:02, a plowshare is shown being heated in a furnace until glowing red. At 1:42, the thickness the nose point (1/8”), and area up to 4 inches above the nose (1 1/8”), will be sharpened to is given. At 1:58, the nose of a plowshare is machine shaped to the approximate thickness needed. At 2:32, the need for final shaping and point setting by hand for proper land clearance and suction is stated. At 2:48, the final hand-shaping and point setting is shown.
At 3:41, the need to draw out the entire length of the share’s edge to 7/16” is stated. At 3:51, the process of drawing out the share’s edge is shown. At 4:09, areas of the share to be hard-faced must be polished to remove oxides. At 4:19, grinding and polishing process is shown. At 5:20, shares must be checked for proper set prior to hard-facing. This is done by fitting a rod 3/16” in diameter under the share four inches (4”) up from the point and seven (7”) from the point along the throat, along the quarter bar. At 5:43, the process to check the set of the share is shown.
At 5:55, the type of welding tip and bushy flame needed to apply Stoodite is described. At 6:12, the welding tip and look of the flame is shown. At 6:19, Step number 1 in the application of Stoodite using a Stoody welding jig is described. At 6:42, the application of 1 ¼” of Stoodite to the edge of a plow share during step one is shown. At 8:28, step number 2, hardfacing the quarter bar is described. At 8:37, hardfacing the quarter bar from the point upwards 2 ½” is shown. At 9:36, the reason that Stoodite can be applied to the extreme point of the plow share is explained (Step 3). This is because it is less fluid and takes a pyramid shape instead of flattening out as other alloys might. At 9:57, a closeup of the hardfacing application to a plow share’s point illustrates the sluggish and pyramidal nature of Stoodite. At 10:48, step number 4, the final step of hardfacing the plow share’s nose, is shown. At 10:56, this final step. At 11:54, the need for final sharpening and polishing of the plow share to enable it to scour the ground. At 12:07, the final sharpening and polishing process is shown. At 12:51, the film states that a Stoodite hardfaced plow share can plow 550 acres without needing resharpening; whereas ordinary plow shares must be sharpened after every 21 acres. At 13:12, the Stoodite hardfaced plow share from a set of three, which plowed 550 acres, is shown.
At 13:27, begins a listing of other agricultural implements which can benefit from Stoodite hardfacing, with grain drill discs, shoes, and scraper knives being listed and shown at 13:36. At 13:43 spring teeth are listed and shown at 13:48. At 13:55, Lister shares at 14:01. At 14:08 rasp bars at 14:14. At 14:22 cultivator shovels are shown at 14:27. At 14:37 cultivator sweeps are shown at 14:42. At 14:50, Stoodite prolongs the life of farm equipment three to 10 times longer. At 15:03, Stoody products are shown to be available at the Omaha Welding Co., 1501 Jackson Street, Omaha Nebraska. At 15:15, the slogan, “Everything for the Blacksmith and Welder.”
The background on the Stoody Company is as follows: in 1921, Shelley M. Stoody started the Stoody Welding Co. to service the growing farm implement and tractor repair business. The developing oil boom in southern California led to a quick refocusing of the business to the repair of drill bits for oil prospecting.
Shelley, with his brother and partner Winston F. Stoddy, was convinced there was a way to make the agricultural implements and drill bits more durable and to stay sharper longer. They developed a technique, called hardfacing, which continues to be used in both industries today. Hardfacing is the overlaying of metal with a coating of abrasion-resistant alloys via a welding process. This overlay greatly extends the life of the equipment.
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