MS16628C
(e) LOCATION OF GROOVE =
L
MAX =
M
MIN +
T
MIN + TAKE-UP (AS LISTED)
L
MIN =
M
MAX +
T
MAX + .005 2/
TAKE-UP �
∆ ∆
L + M +
∆
T + .005 WHERE:
∆ L
L = MAX -
L
MIN
∆ M
M = MAX -
∆ T
M
MIN
T
T = MAX -
MIN
1/ X = 120,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS UP TO AND INCLUDING .672 INCH SHAFT DIAMETER OF CARBON STEEL OR CORROSION RESISTANT STEEL.
X = 150,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS .688 INCH AND OVER SHAFT DIAMETER OF CARBON STEEL OR CORROSION RESISTANT STEEL.
X = 110,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS OF ALL SHAFT DIAMETERS AND OF BERYLLIUM COPPER.
L
2/ IT IS ADVISABLE FOR SAFER RING ASSEMBLY TO CALCULATE
MIN WITH ADDITIONAL .005" IN ORDER THAT THE
RING IS NOT FLATTENED OUT COMPLETELY IN ADVERSE TOLERANCE CASES.
(f) VIBRATION =
A RETAINING RING WILL BE SECURE AGAINST VIBRATION IF ITS SHEAR FATIGUE STRENGTH EQUALS OR EXCEEDS THE FORCE CREATED BY THE MASS OF THE PART BEING REPEATEDLY ACCELERATED AGAINST THE RING.
(1) SHEAR STRENGTH OF RING (CRITICAL) (ABUTTING COMPONENTS TO HAVE SHARP CORNERS) =
XT 1.1 S � W a X = ULTIMATE SHEAR STRENGTH OF RING MATERIAL (PSI) 3/
g T = RING THICKNESS (INCHES)
WHERE: S = SHAFT DIAMETER (INCHES)
OR FOR HARMONIC MOTION W = WEIGHT OF ABUTTING PARTS (POUNDS)
2 a = δw
XT 1.1 S � W δ 2
g
2 g = ACCELERATION DUE TO GRAVITY (IN/SEC )
δ= AMPLITUDE OF VIBRATION (INCHES)
w = ANGULAR SPEED (RAD/SEC)
2 a = ACCELERATION (IN/SEC )
(2) COMPRESSIVE STRENGTH OF GROOVE MATERIAL (CRITICAL) =
2
1.65YdS � W δ
Y = YIELD STRENGTH IN COMPRESSION OF THE GROOVE
g WHERE: MATERIAL (PSI)
d = GROOVE DEPTH (INCHES)
OTHER SYMBOLS AS SHOWN IN (1)
(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)
7
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business