The woodruff key numbers indicate normal key dimensions.
Woodruff key cut depth.
Woodruff keyways keys.
Woodruff keys are semicircular fitting partly into a b circular segment keyway with the remainder fitting into a longitudinal slot keyway in the mating part.
406 woodruff keyseat dimensions.
They are also often used on tapered shafts.
Table 11 on page 955 18th edition titled usa standard keyseat dimensions for woodruff keys usas b17 2 1967 appears to say that the depth of the keyseat from the edge of the opening is 0 2143.
Because they re usually shorter than standard machine keys they work best in light duty applications.
Where w is the key width.
D is the shaft diameter.
It is almost always better to use a lighter depth of cut and make multiple passes figure 2.
The semi circular slot is cut by plunging a woodruff cutter the correct keyseat cutter for this style keyway into the workpiece.
406 woodruff keyseat dimensions.
800 476 4849 170 aprill drive ann arbor michigan 48103 usa.
Woodruff keys work well near shaft shoulders where a standard open keyway would create too much stress.
They are semi circular and fit into a keyway shaped as a circular segment in the shaft and a rectangular slot in the mating part.
All dimensions are given in inches.
Depth chart april 24 2018.
Shaft key seat for shaft and hub ansi b17 1.
Ansi shaft and hub keyseat dimensions for woodruff keys per.
While it may be tempting to make a cut using a keyseat cutter s maximum rdoc this will result in increased stress on the tool a worse finish and potential catastrophic tool failure.
Woodruff keys are an alternative to parallel keys.
14 photos of the woodruff key cutting depth chart.
W d 4 clarification needed h 2d 3 clarification needed.
This does not include the little hump of the shaft that gets removed.
These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently such as for maintenance or prototyping.
Shaft arbor and keyseat dimensional data ansi b94 19.
Ansi standard woodruff key size table chart ansi b17 2 1967 r1998 hardware ansi menu.
Ansi hardware design and guide.
The circular segment can be cut directly by plunge cutting with a circular.
Keyseat dimensions for woodruff keys per.
Woodruff key cutting depth chart.
The last two digits give the nominal diameter b in eighths of an inch and the digits preceding the last two give the nominal width w in thirty seconds of an inch.
