MS16628 Ring, Retaining, External, Bowed Tapered Section Type

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MS16628C

(h)  LOAD CAPACITY, WITH THE RETAINED PART RADIUSED OR CHAMFERED =

WHEN THE RADIUS OR CHAMFER OF THE RETAINED PART DOES NOT EXCEED THE MAXIMUM RADIUS ALLOWED FOR THE BOTTOM OF THE RING GROOVE, THE LESSER LOAD CAPACITY COMPUTED FROM THE FORMULA ON PAGE 6 WILL APPLY. THE CORNER RADII AND CHAMFERS LISTED ON PAGE 2

WERE CHOSEN AS LARGE AS POSSIBLE FOR THE RING SIZES INVOLVED AND ARE RELATED TO THE MAXIMUM THRUST LOADS LISTED IN TABLE VI.

IF THE CORNER RADII OR CHAMFERS ARE SMALLER THAN THOSE LISTED, THEN THE THRUST LOADS INCREASE PROPORTIONALLY IN ACCORDANCE WITH THE FOLLOWING FORMULAS:

1                                                                                                  1

P    =  P CH                                                                                P

= NEW ALLOWABLE THRUST LOAD

CH1                                                                                             P = LISTED ALLOWABLE THRUST LOAD

1

WHERE:                                              CH

= NEW (SMALLER) CHAMFER

OR                                                                      CH = LISTED CHAMFER

1                                                                                                  1

P    =  PR                                                                                    R

1

= NEW (SMALLER) CORNER RADIUS

R                                                                                      R = LISTED CORNER RADIUS.

LIMIT LOADS LISTED IN TABLE VI ARE BASED ON RINGS OF AND OF BERYLLIUM COPPER (WORKING STRESS 180,000

PSI) FOR ALL SIZES AND ON RINGS OF CARBON STEEL OR CORROSION RESISTANT STEEL  (WORKING STRESS 250,000

PSI) FOR SIZES .250 AND LARGER.  IF THE ALLOWABLE GROOVE CAPACITY LOADS AS CALCULATED BY USING THE FORMULA ON PAGE 6 ARE LESS THEN THEY SHOULD BE USED.

TABLE VI.  LIMIT LOADS.

31   X  =  120,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS UP TO AND INCLUDING .675 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 WORKING STRESS FOR RINGS OF ALL SHAFT DIAMETERS AND OF BERYLLIUM COPPER.

4.  CHANGES FROM PREVIOUS ISSUE.  MARGINAL NOTATIONS ARE NOT USED IN THIS REVISION TO IDENTIFY CHANGES WITH RESPECT TO THE PREVIOUS ISSUE DUE TO THE EXTENT OF THE CHANGES.

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