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TOLERANCES
 
 
 
 
 
 
 
 
 
 
 

 

                          

          TOLERANCE TABLES FOR MOLDED PARTS

TABLE I

STANDARD DIMENSIONAL TOLERANCE TABLE-MOLDED SOLID RUBBER PRODUCTS DRAWING DESIGNATION "A1" HIGH PRECISION

Size (Inches) Fixed Closure Size (Millimeters) Fixed Closure
Above Incl. Above Incl.
0 .40 .004 .005 0 10 .I 0 .13
.40 .63 005 .006 10 16 .13 .16
.63 1.00 006 .008 16 25 .16 .20
1.00 1.60 008 .010 25 40 .20 .25
1.60 2.50 010 .013 40 63 .25 .32
2.50 4.00 013 .016 63 100 .32 .40
4.00 6.30 016 .020 100 160 .40 .50

 

TABLE 2

STANDARD DIMENSIONAL TOLERANCE TABLE-MOLDED SOLID RUBBER PRODUCTS DRAWING DESIGNATION "A2" Precision

Size (Inches) Fixed Closure Size (Millimeters) Fixed Closure
Above Incl. Above Incl.
0 .40 .006 .008 0 10 .16 .20
.40 .63 .008 .010 10 16 .20 .25
, 63 1.00 .010 .013 16 25 .25 .32
1.00 1.60 .013 .016 25 40 .32 .40
1.60 2.50 .016 .020 40 63 .40 .50
2.50 4.00 .020 .025 63 100 .50 .63
4.00 6.30 .025 .032 100 160 .63 .80

6.30 & over-To find fixed dimensional tolerances multiply by 0.4%. 160 & over - To find fixed dimensional tolerances multiply by 0.4%.

TABLE 3

STANDARD DIMENSIONAL TOLERANCE TABLE-MOLDED SOLID RUBBER PRODUCTS DRAWING DESIGNATION "A3" COMMERCIAL

Size (Inches) Fixed Closure Size (Millimeters) Fixed Closure
Above Incl. Above Incl.
0 .40 .008 .013 0 10 .20 .32
.40 . 63 .010 .016 10 16 .25 .40
.63 1.00 .013 .020 16 25 .32 .50
1.00 1.60 .016 .025 25 40 .40 .63
1.60 2.50 .020 .032 40 63 .50 .80
2.50 4.00 .025 .040 63 100 .63 1.00
4.00 6.30 .032 .050 100 160 .80 1.25

6.30 & over - To find fixed dimensional tolerances multiply by 0.5%. 160 & over - To find fixed dimensional tolerances multiply by 0.5%.

TABLE 4

STANDARD DIMENSIONAL TOLERANCE TABLE-MOLDED SOLID RUBBER PRODUCTS DRAWING DESIGNATION "A4" BASIC

Size (Inches) Fixed Closure Size (Millimeters) Fixed Closure
Above Incl. Above Incl.
0 .40 0 13 .032 0 10 .32 .80
.40 . 63 .016 .036 10 16 .40 .90
.63 1.00 .020 .040 16 25 .50 1.00
1.00 1.60 .025 .045 25 40 .63 1.12
1.60 2.50 .032 .050 40 63 .80 1.25
2.50 4.00 .040 .056 63 100 1.00 1.40
4.00 6.30 .050 .063 100 160 1.25 1.60

 

6.30 & over - To find fixed dimensional tolerances multiply by 0.8%. 160 & over - To find fixed dimensional tolerances multiply by 0.8%.

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