MS16630C
(i) 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 FORMULAS ON SHEETS 6 AND 8 APPLY. THE CORNER RADII AND CHAMFERS LISTED ON SHEETS 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 OR P
= NEW ALLOWABLE THRUST LOAD.
CH1 P = LISTED ALLOWABLE THRUST LOAD.
1
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 P.S.I.). IF THE ALLOWABLE GROOVE CAPACITY LOADS, AS CALCULATED BY USING THE FORMULA ON PAGES 6, 7 AND 8 ARE LESS THAN THEY SHOULD BE USED.
TABLE V. LIMIT LOADS.
NOMINAL RING SIZE |
ALLOWABLE THRUST LOAD FOR RING ASSEMBLIES WITH PARTS HAVING MAXIMUM CORNER RADII OR CHAMFERS. |
||
FROM |
TO |
CARBON STEEL OR CORROSION RESISTANT STEEL |
BERYLLIUM COPPER |
1.000 1.062 1.562 2.062 2.750 3.500 |
1.023 1.500 2.000 2.687 3.437 4.000 |
1340 LB 1950 LB 3000 LB 5000 LB 7350 LB 10500 LB |
970 LB 1400 LB 2100 LB |
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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