Tolerance Table In Inch

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The Rubber Manufacturers Association (RMA) has developed tolerance tables with ranges to provide communication between user and provider across a wide range of industries. These are helpful when designing and producing a part. You can also consult the RMA article on factors affecting tolerances of molded rubber products.

  • RMA Molded Tolerances
  • RMA Extrusion Tolerances
    • Table 12.
      Summary of RMA Drawing Designations Extruded Rubber Products
    • Table 13.
      Standard Cross-Sectional Tolerance
    • Table 16.
      Cut Length tolerance for unspliced extrusion
    • Table 18.
      Spliced Length Tolerances
    • Table 20.
      Tolerances on Internal Dimensions of Mandrel-Supported Extrusions
  1. It was released from Texas A&M University in 1996. 'Diamond' is distinguished from other zoysiagrasses by its fine texture and excellent salt and shade tolerance. It performs best when mowed at a height of ½ inch or less. In fact, 'Diamond' has been planted on several experimental golf greens mowed at ¼ inch or lower.
  2. Transcribed image text: Instructions: 1- Complete the following table and calculate the geometric flatness tolerance Draw the NECESSARY views here: Apply flatness tolerances for six surfaces of your part. 2- Draw the necessary views and show flatness geometric tolerance according to ASME Y14.5M2009 for all of the surfaces Set up dial gauge at Zero for each face before starting Face Face2 Facel.
Tolerance

Shaft tolerance table (iso) ≥ ＜ b10 c9 d8 e7 e8 f7 g7 h6 h7 h8 js7 k7 m7 n7 p7 r7 s7 t7 - 3 +180 +140 +85 +60 +34 +20 +24 +14 +28 +14 +16 +6 +12 +2 +6 0 +10 0 +14 0 ±5 0-10-2-12-4-14-6-16-10-20-14-24-3 6 +188 +140 +100 +70 +48 +30 +32 +20 +38 +20 +22 +10 +16 +4 +8 0 +12 0 +18 0 ±6 +3-9 0-12-4-16-8-20-11-23-15-27-6 10.

Metric Tolerances (mm)

Nominal DimensionA1A2A3A4
aboveup to and
including		FixedClosureFixedClosureFixedClosureFixedClosure
0100.10.130.160.20.20.320.320.8
10160.130.160.20.250.250.40.40.9
16250.160.20.20.320.320.50.51
25400.20.250.320.40.40.630.631.12
40630.250.320.40.50.50.80.81.25
631000.320.40.50.630.6311.11.4
1001600.40.50.630.80.81.251.251.6
160 & over
(Multiply by)		x .004x .005x .005x .008x .008x .010

Inch Tolerances (in)

Nominal DimensionA1A2A3A4
aboveup to and
including		FixedClosureFixedClosureFixedClosureFixedClosure
00.400.0040.0050.0060.0080.0080.0130.0130.032
0.400.630.0050.0060.0080.0100.0100.0160.0160.036
0.631.000.0060.0060.0100.0130.0130.0200.0200.040
1.001.600.0080.0100.0130.0160.0160.0250.0250.045
1.602.500.0100.0130.0160.0200.0200.0320.0320.050
2.504.000.0130.0160.0200.0250.0250.0400.0400.056
4.006.300.0160.0200.0250.0320.0320.0500.0500.063
6.30 & over
(Multiply by)		x .004x .005x .005x .008x .008x .010

Table 12. Summary of RMA Drawing
Designations Extruded Rubber Products

RMA ClassDimensional Tolerance* Table 13CutLength Tolerance* Table 16SplicedLength Tolerance* Table 16MandrelCured* Table 20
1E1L1S1EN1
2E2L2S2EN2
3E3L3S3EN3
4––––

Table 13. Standard Cross-Sectional Tolerance

RMA Class

Drawing Designation
E1E2E3
Dimensions (in Millimeters)
AboveUp to and including
01.5
1.52.5
2.54.0
4.06.3
6.310
1016
1625
2540
4063
63100

+0.15+0.25+0.40
0.200.350.50
0.250.400.70
0.350.500.80
0.400.701.00
0.500.801.30
0.701.001.60
0.801.302.00
1.001.602.50
1.302.003.20

RMA Class

Drawing Designation
E1E2E3
Dimensions (in Inches)
AboveUp to and including
00.06
0.060.10
0.100.16
0.160.25
0.250.39
0.390.63
0.630.98
0.981.57
1.572.48
2.483.94
+0.006+0.010+0.015
0.0080.0140.020
0.0100.0160.027
0.0140.0200.031
0.0160.0270.039
0.0200.0310.051
0.0270.0390.063
0.0310.0510.079
0.0390.0630.098
0.0510.0790.126

Table 16. Cut Length tolerance for unspliced extrusion

RMA Class

Drawing Designation.
L1L2L3
Length (in Millimeters)
AboveUp to and including
040
4063
63100
100160
160250
250400
400630
6301000
10001600
16002500
25004000
4000
+0.7+0.04+1.6
0.081.32.0
1.01.62.5
1.32.03.2
1.62.54.0
2.03.25.0
2.54.06.3
3.25.010.0
4.06.312.5
5.010.016.0
6.312.520.0
0.16%0.32%0.50%
Length (in Inches)
AboveUp to and including
01.6
1.62.5
2.54.0
4.06.3
6.310.0
10.016.0
16.025.0
25.040.0
40.063.0
63.0100.0
100.0160.0
160.0
+0.03+0.04+0.06
0.030.050.08
0.040.060.10
0.050.080.13
0.060.100.16
0.80.130.20
0.100.160.25
0.130.200.40
0.160.250.50
0.200.400.63
0.250.500.80
0.16%0.32%0.50%

Table 18. Spliced Length Tolerances

RMA
Class

Drawing Designation
S1S2S3
Millimeters
AboveUp to and including
0250
250400
400630
6301000
10001600
16002500
2500over
+302+3.2+7.1
4.07.18.0
5.08.09.0
6.39.010.0
8.010.011.2
10.011.212.3
012.512.516.0
Inches
AboveUp to and including
010
1016
1625
2540
4063
63100
100over
+.13+.25+.28
.16.28.32
.20.32.36
.25.36.40
.32.40.45
.40.45.50
.50.50.53

Table 20. Tolerances on Internal Dimensions
of Mandrel-Supported Extrusions

RMA
Class

Drawing Designation
EN1EN2EN3
Nominal Dimensions
(in Millimeters)
AboveUp to and including
04
46.3
6.310
1016
1625
2540
4063
63100
100160
160
+0.20+0.20+0.35
0.200.250.40
0.250.350.50
0.350.400.70
0.400.500.80
0.500.701.00
0.700.801.30
0.801.001.60
1.001.302.00
0.6%0.8%1.2%
Nominal Dimensions
(in Inches)
AboveUp to and including
00.16
0.160.25
0.250.40
0.400.63
0.631.00
1.001.60
1.602.50
2.504.00
4.006.30
6.30
+0.008+0.08+0.014
0.0080.0100.016
0.0100.0140.020
0.0140.0160.028
0.0160.0200.032
0.0200.0280.040
0.0280.0320.051
0.0320.0400.063
0.0400.0510.079
0.6%0.8%1.2%
Table

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