It fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. Sorry.I have no evidence to support this, but my theory is the reason you use a woodruff key over square key is to make disassembly more difficult.The reality, as I understand it, is that they are used in applications where there is some value in having a keying mechanism that does not bring the slot to the end of the shaft.The main advantage of the Woodruff key is that it eliminates milling a keyway near shaft shoulders, which already have stress concentrations.A woodruff key won't slip out of its slot. 98. The only times that I've ever seen woodruff keys used were on old engine shafts to couple a magneto or output clutch/sprocket.

It fits in a half-moon shaped slot, in a shaft, leaving the flat side of the tab exposed. When I do specify a standard key arrangment, I require a set screw in the gear-pulley, over the key, to hold it in place (also another set-screw 90° from the key).New comments cannot be posted and votes cannot be castr/engineering is a forum for engineering professionals to share information, knowledge, experience related to the principles & practices of the numerous engineering disciplines. Read the sidebar BEFORE posting.Press J to jump to the feed. Saddle Keys. Nisorpa Woodruff Key Set Metal 80pcs Metric Woodruff Key Assortment Half Moon Gear Shaft Drive Flywheel Key Pulley Crank Fasteners. by the way, a shear pin should be about 40% of the shaft diameter if made of similar material, and a 1 inch shaft is good for about 4.7 Hp per 100 rpm.
vi) Woodruff Key Woodruff Key. r/engineering is **NOT** for students to ask for guidance on selecting their major, or for homework / project help. They are designed not to function when excessive force is placed on the shaft. All Rights Reserved. Parallel keys are the most widely used machine key. They have a square or rectangular cross section. There is a groove machined into the shaft and a corresponding groove in the component mounted to the shaft. /package The only times that I've ever seen woodruff keys used were on old engine shafts to couple a magneto or output clutch/sprocket. Use of this site is subject to certain Local store prices may vary from those displayed. Woodruff keys are used to lock removable sprockets, gears or pulleys to a drive or driven shaft to prevent the component from rotating on said shaft. Woodruff keys are used on shafts from 0.25 to 2.5-in. This set of heat treated carbon steel Woodruff keys comes organized in a convenient PVC storage case with an included index chart for easy selection.

If the consumer asks for the statement in writing, he will not receive it. FREE Shipping on eligible orders. /package
Woodruff keys are semi-circular keys that are commonlyWoodruff keys are semi-circular keys that are commonly used for mechanical applications.

For Use On : Each: 3/8 " 1/16 " 1/2 " 0.2" 1/4 " 2 1/16 " 203: Aluminum, Brass, Bronze, Fiberglass, Hardened Steel, Iron, Nickel, Plastic, Stainless Steel, Steel, Titanium, Tool Steel: 00000000: 000000: 3/8 " 3/32 " 1/2 " 0.2" 1/4 " 2 3/32 " 303

by Nisorpa. But I simply didn't find an answer that I could understand. Woodruff keys are semi-circular keys that are commonly Woodruff keys are semi-circular keys that are commonly used for mechanical applications. $23.98 $ 23.

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