MS16629 Ring, Retaining, Internal, Bowed Tapered Section Type

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MS16629E

(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 V.

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

OR             WHERE:                                         CH

= NEW (SMALLER) CHAMFER.

CH = LISTED CHAMFER.

1                                                                                                  1

P    =  PR                                                                                    R

1

= NEW (SMALLER) CORNER RADIUS.

R                                                                                      R = LISTED CORNER RADIUS.

LIMIT LOADS LISTED IN TABLE V ARE BASED ON RINGS OF CARBON STEEL OR CORROSION RESISTANT STEEL  (WORKING STRESS = 250,000 P.S.I.) AND OF BERYLLIUM COPPER (WORKING STRESS = 180,000 PSI).    IF THE ALLOWABLE GROOVE CAPACITY LOADS, AS CALCULATED BY USING THE FORMULA ON PAGE 6 ARE LESS, THEN THEY SHOULD BE USED.

TABLE V.  LIMIT LOADS.

1/   X  =  120,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS UP TO AND INCLUDING .750 INCH HOUSING DIAMETER OF CARBON STEEL OR CORROSION RESISTANT STEEL.

X  =  150,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS .777 INCH AND OVER HOUSING DIAMETER OF CARBON

STEEL OR CORROSION RESISTANT STEEL.

X  =  110,000 PSI ULTIMATE SHEAR STRENGTH FOR RINGS OF ALL HOUSING 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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