MS90708D
(c) ALLOWABLE LOAD CAPACITY OF GROOVE WALL
P = ALLOWABLE COMPRESSION LOAD (POUNDS) P = CF πSdY S = SHAFT DIAMETER (INCHES)
F WHERE: d = GROOVE DEPTH (INCHES)
Y = YIELD STRENGTH IN COMPRESSION OF THE GROOVE MATERIAL (PSI)
F = FACTOR OF SAFETY, F= 2 IS RECOMMENDED TO INSURE A SAFE WORKING LOAD.
CF = CONVERSION FACTOR, CF = 3/4 IS RECOMMENDED SINCE CONTACT AREA IN THE GROOVE IS REDUCED AT THE CUTOUTS IN THE RING
(d) THE MINIMUM DISTANCE BETWEEN OUTER GROOVE WALL AND END OF SHAFT =
Z = MINIMUM DISTANCE BEWTWEEN OUTER GROOVE WALL Z = 3d AND END OF SHAFT (INCHES).
WHERE: d = GROOVE DEPTH (INCHES).
(e) ALLOWABLE SHAFT DIAMETER =
2
S = ALLOWABLE SHAFT DIAMETER
S= G
+ 4FP G = GROOVE DIAMETER.
Y π CF WHERE: F = FACTOR OF SAFETY, SEE FORMULA (c) ABOVE.
P = DESIGN LOAD.
Y = YIELD STRENGTH IN COMPRESSION OF GROOVE MATERIAL (P.S.I.).
CF CONVERSION FACTOR, SEE FORMULA (c) ABOVE
(f) DIFFERENTIAL ROTATION =
DIFFERENTIAL ROTATION OF RING AND ADJACENT PART CREATES NO ELEMENT OF RISK IN THE APPLICATION OF THE RING UP TO THE ALLOWABLE LOAD CALCULATED TO THE ABOVE FORMULA (b).
(g) IMPACT CAPACITY OF RING OR GROOVE WALL =
IR = PT FOR THE RING (INCH POUNDS) ABUTTING COMPONENTS TO HAVE SHARP CORNERS
2
I Pd
G = 2
FOR THE GROOVE (INCH POUNDS).
WHERE:
P = ALLOWABLE THRUST LOAD OF RING OR GROOVE (POUNDS). T = RING THICKNESS (INCHES).
I
G = IMPACT CAPACITY OF GROOVE WALL (INCH POUNDS).
d = GROOVE DEPTH (INCHES).
I
R = IMPACT CAPACITY OF RING (INCH POUNDS).
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