GB/T 3478.2-2008 English PDF

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GB/T 3478.2-2008: Straight cylindrical involute splines -- Metric module, side fit -- Part 2: 30-degreepressure angle dimensions tables
Status: Valid

GB/T 3478.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3478.2-2008	1349	Add to Cart	10 days	Straight cylindrical involute splines -- Metric module, side fit -- Part 2: 30-degreepressure angle dimensions tables	Valid
GB/T 3478.2-1995	RFQ	ASK	11 days	Straight cylindrical involute splines--30 Degree pressure angle dimensions tables	Obsolete
GB 3478.2-1983	RFQ	ASK	14 days	Straight cylindrical involute splines (Side fit)--Dimension tables	Obsolete

Similar standards

GB/T 1243   GB/T 3478.5   GB/T 3478.1   GB/T 3478.6   GB/T 3478.7   GB/T 3478.4   

Basic data

Standard ID: GB/T 3478.2-2008 (GB/T3478.2-2008)
Description (Translated English): Straight cylindrical involute splines -- Metric module, side fit -- Part 2: 30-degreepressure angle dimensions tables
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J18
Classification of International Standard: 21.120.30
Word Count Estimation: 61,617
Date of Issue: 2008-09-22
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 3478.2-1995
Quoted Standard: GB/T 1800.1; GB/T 3478.1-2008
Adopted Standard: ISO 4156-2-2005, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.16 (Total No.129)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the 30 �� pressure angle quasi- circular flat root and root (hereinafter referred to as 30 �� and 30 �� flat root back tooth root) of Straight cylindrical involute splines all key dimensions required. This section applies to the standards set forth in 3478 1-2008 GB/T pressure angle of 30 ��, modulus of 0. 5 mm ~ 10 mm, tooth side with involute splines.

GB/T 3478.2-2008: Straight cylindrical involute splines -- Metric module, side fit -- Part 2: 30-degreepressure angle dimensions tables

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Straight cylindrical involute splines.Metric module, side fit.Part 2. 30-degreepressure angle dimensions tables ICS 21.120.30 J18 National Standards of People's Republic of China Replacing GB/T 3478.2-1995 Straight cylindrical involute splines (Metric series of teeth with the side) Part 2. 30 ° pressure angle dimension table (ISO 4156-2..2005, Straightcylindricalinvolutesplines- Metricmodule, sidefit-Part 2. Dimensions, MOD) 2008-09-22 Release.2009-05-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

GB/T 3478 "cylindrical straight teeth involute spline (metric series of teeth with the side)" is divided into nine parts. - Part 1. General; - Part 2. 30 ° pressure angle dimension table; - Part 3. 37.5 ° pressure angle dimension table; - Part 4. 45 ° pressure angle dimension table; - Part 5. Inspection; - Part 6. 30 ° pressure angle M and W; - Part 7. 37.5 ° Pressure angle M and W; - Part 8. 45 ° pressure angle M and W; Part 9. Measuring rods. This part is part 2 of GB/T 3478. This part of the revision using ISO 4156-2..2005 "cylindrical straight teeth involute spline (metric series of teeth with the side) Part 2. ruler Inch ", the main differences are as follows. --- only use the contents of 5.1 ~ 5.14 as the main content of this part. This part is GB/T 3478.2-1995 "cylindrical straight teeth involute spline 30 ° pressure angle size table" revision, the main difference as follows. --- standard name from the "cylindrical straight involute spline 30 ° pressure angle size table" to "cylindrical straight involute spline (rice mold The number of teeth side with) Part 2. 30 ° pressure angle size table "; --- modified the original standard of the error, according to GB/T 1.1 made editorial changes. This part of the national machinery shaft and accessories standardization technical committee put forward and centralized. This part of the drafting unit. in the machine productivity promotion center, Harbin Dongan engine manufacturing company, Shijiazhuang sprocket factory, China second Machinery Group Corporation, Taiyuan Heavy Industry Co., Ltd. This part of the main drafters. Ming Cui new, often treasure India, Xu Wenjiang, Tan Ren Wan, Wang Xiaoling, Deng Gao see. This part of the previous version of the standard to replace the release of the situation. --- GB 3478.2-1983, GB/T 3478.2-1995. Straight cylindrical involute splines (Metric series of teeth with the side) Part 2. 30 ° pressure angle dimension table

1 Scope

This part of GB/T 3478 specifies a 30 ° standard pressure angle flat tooth root and round tooth root (hereinafter referred to as 30 ° flat tooth root and 30 ° round root) All the splines required for involute splines of cylindrical straight teeth. This part applies to GB/T 3478.1-2008 standard in the provisions of the pressure angle of 30 °, the modulus of 0.5mm ~ 10mm, The involute spline. The size of this part of the table is according to GB/T 3478.1-2008 Table 3 formula and the tooth side with H/h, and the use of basic test methods Compiled.

2 normative reference documents

The terms of this document are the terms of this part by reference to this part of GB/T 3478. Any reference to the date of the text , All subsequent amendments (excluding corrigenda) or revisions do not apply to this part, however, encouragement under this section The parties to the agreement study whether the latest versions of these files are available. For undated references, the latest edition of this document applies section. GB/T 1800.1 Geometrical product specifications (GPS) Limits and mating - Part 1. Basis for tolerances, deviations and mates GB/T 3478.1-2008 Cylindrical straight teeth involute splines (metric series of teeth with side) Part 1. General (ISO 4156-1. 2005, MOD)

3 size table

3.1 30 ° flat tooth root and 30 ° round tooth root, the modulus of 0.5mm ~ 10mm, the tolerance level of 4,5,6 and 7 of the spline size table, see Table 1 ~ Table 28. 3.2 The limit deviation of the inner spline diameter Di and the tolerance of the outer spline diameter Dee See GB/T 3478.1-2008. 3.3 Internal spline diameter Dei and outer spline diameter Die tolerance, from GB/T 1800.1 standard tolerances IT12, IT13 or IT14 Select. 3.4 When the inner and outer splines are machined, the radius of the tooth root is changed. This part gives the minimum radius of curvature of the tooth root arc. GB/T 3478.1-2008 Table 26. 3.5 When the selected test method is not the basic method, its role in the maximum cogging width, the actual maximum tooth width, the minimum tooth thickness and The actual maximum tooth thickness is calculated as follows. The maximum tooth width of the role of Evmax = Emax-λ; The actual tooth width is the minimum value Emin = Evmin + λ; The minimum tooth thickness Svmin = Smin + λ; The actual maximum tooth thickness Smax = Svmax - λ. 3.6 When the spline tooth side with the category is not H/h, the size of the size of the spline in the size table should be calculated according to the following formula. The maximum tooth thickness Svmax = S + esv; Actual tooth thickness minimum value Smin = Svmax- (T + λ). Where. Esv --- on the role of tooth thickness on the deviation, see GB/T 3478.1-2008 Table 23; (T + λ) --- total tolerance, see GB/T 3478.1-2008 Table 8 ~ Table 21. See page 24 for details on the large diameter of the large splines and trails. 3.7 Size table Chinese and foreign splines involute start circle diameter maximum value DFemax value is based on the principle of the principle of tooth-type tool derivation of the formula Calculated. When the spline tooth side with the category is not H/h, DFemax can be calculated according to the formula in Table 3 of GB/T 3478.1-2008. Table 1 30 ° spline Number of teeth Graded circle diameter Base circle diameter Db Large diameter Dei Flat tooth root Gradually open end Cut diameter DFimin Trails Di Actual maximum tooth width Emax = Evmin + (T + λ) 4H 5H 6H 7H Number of teeth 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.50 17.00 17.50 18.00 18.50 19.00 19.50 20.00 20.50 21.00 21.50 22.00 22.50 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.50 27.00 27.50 4.3301 4.7631 5.1962 5.6292 6.0622 6.4952 6.9282 7.3612 7.7942 8.2272 8.6603 9.0933 9.5263 9.9593 10.3923 10.8253 11.2583 11.6913 12.1244 12.5574 12.9904 13.4234 13.8564 14.2894 14.7224 15.1554 15.5885 16.0215 16.4545 16.8875 17.3205 17.7535 18.1865 18.6195 19.0526 19.4856 19.9186 20.3516 20.7846 21.2176 21.6506 22.0836 22.5167 22.9497 23.3827 23.8157 5.75 6.25 6.75 7.25 7.75 8.25 8.75 9.25 9.75 10.25 10.75 11.25 11.75 12.25 12.75 13.25 13.75 14.25 14.75 15.25 15.75 16.25 16.75 17.25 17.75 18.25 18.75 19.25 19.75 20.25 20.75 21.25 21.75 22.25 22.75 23.25 23.75 24.25 24.75 25.25 25.75 26.25 26.75 27.25 27.75 28.25 5.90 6.40 6.90 7.40 7.90 8.40 8.90 9.40 9.90 10.40 10.90 11.40 11.90 12.40 12.90 13.40 13.90 14.40 14.90 15.40 15.90 16.40 16.90 17.40 17.90 18.40 18.90 19.40 19.90 20.40 20.90 21.40 21.90 22.40 22.90 23.40 23.90 24.40 24.90 25.40 25.90 26.40 26.90 27.40 27.90 28.40 5.60 6.10 6.60 7.10 7.60 8.10 8.60 9.10 9.60 10.10 10.60 11.10 11.60 12.10 12.60 13.10 13.60 14.10 14.60 15.10 15.60 16.10 16.60 17.10 17.60 18.10 18.60 19.10 19.60 20.10 20.60 21.10 21.60 22.10 22.60 23.10 23.60 24.10 24.60 25.10 25.60 26.10 26.60 27.10 27.60 28.10 4.62 5.11 5.60 6.09 6.58 7.08 7.57 8.07 8.56 9.06 9.56 10.05 10.55 11.05 11.55 12.05 12.54 13.04 13.54 14.04 14.54 15.04 15.54 16.03 16.53 17.03 17.53 18.03 18.53 19.03 19.53 20.03 20.53 21.03 21.53 22.02 22.52 23.02 23.52 24.02 24.52 25.02 25.52 26.02 26.52 27.02 0.810 0.810 0.810 0.810 0.811 0.811 0.811 0.811 0.811 0.812 0.812 0.812 0.812 0.812 0.812 0.813 0.813 0.813 0.813 0.813 0.813 0.813 0.814 0.814 0.814 0.814 0.814 0.814 0.814 0.814 0.814 0.815 0.815 0.815 0.815 0.815 0.815 0.815 0.815 0.815 0.815 0.816 0.816 0.816 0.816 0.816 0.824 0.825 0.825 0.826 0.826 0.826 0.827 0.827 0.827 0.827 0.828 0.828 0.828 0.828 0.829 0.829 0.829 0.829 0.830 0.830 0.830 0.830 0.830 0.831 0.831 0.831 0.831 0.831 0.832 0.832 0.832 0.832 0.832 0.832 0.833 0.833 0.833 0.833 0.833 0.833 0.833 0.834 0.834 0.834 0.834 0.834 0.846 0.847 0.848 0.848 0.849 0.849 0.850 0.850 0.851 0.851 0.851 0.852 0.852 0.853 0.853 0.853 0.854 0.854 0.854 0.855 0.855 0.855 0.856 0.856 0.856 0.857 0.857 0.857 0.857 0.858 0.858 0.858 0.859 0.859 0.859 0.859 0.860 0.860 0.860 0.860 0.860 0.861 0.861 0.861 0.861 0.862 0.883 0.884 0.885 0.886 0.887 0.887 0.888 0.889 0.890 0.890 0.891 0.892 0.892 0.893 0.894 0.894 0.895 0.895 0.896 0.896 0.897 0.897 0.898 0.898 0.899 0.899 0.900 0.900 0.901 0.901 0.902 0.902 0.902 0.903 0.903 0.904 0.904 0.904 0.905 0.905 0.906 0.906 0.906 0.907 0.907 0.907 Table 1 (continued) The unit is in millimeters Number of teeth Graded circle diameter Base circle diameter Db Large diameter Dei Flat tooth root Gradually open end Cut diameter DFimin Trails Di Actual maximum tooth width Emax = Evmin + (T + λ) 4H 5H 6H 7H Number of teeth 28.00 28.50 29.00 29.50 30.00 30.50 31.00 31.50 32.00 32.50 33.00 33.50 34.00 34.50 35.00 35.50 36.00 36.50 37.00 37.50 38.00 38.50 39.00 39.50 40.00 40.50 41.00 41.50 42.00 42.50 43.00 43.50 44.00 44.50 45.00 45.50 46.00 46.50 47.00 47.50 48.00 48.50 49.00 49.50 50.00 24.2487 24.6817 25.1147 25.5477 25.9808 26.4138 26.8468 27.2798 27.7128 28.1458 28.5788 29.0119 29.4449 29.8779 30.3109 30.7439 31.1769 31.6099 32.0429 32.4760 32.9090 33.3420 33.7750 34.2080 34.6410 35.0740 35.5070 35.9401 36.3731 36.8061 37.2391 37.6721 38.1051 38.5381 38.9711 39.4042 39.8372 40.2702 40.7032 41.1362 41.5692 42.0022 42.4352 42.8683 43.3013 28.75 29.25 29.75 30.25 30.75 31.25 31.75 32.25 32.75 33.25 33.75 34.25 34.75 35.25 35.75 36.25 36.75 37.25 37.75 38.25 38.75 39.25 39.75 40.25 40.75 41.25 41.75 42.25 42.75 43.25 43.75 44.25 44.75 45.25 45.75 46.25 46.75 47.25 47.75 48.25 48.75 49.25 49.75 50.25 50.75 28.90 29.40 29.90 30.40 30.90 31.40 31.90 32.40 32.90 33.40 33.90 34.40 34.90 35.40 35.90 36.40 36.90 37.40 37.90 38.40 38.90 39.40 39.90 40.40 40.90 41.40 41.90 42.40 42.90 43.40 43.90 44.40 44.90 45.40 45.90 46.40 46.90 47.40 47.90 48.40 48.90 49.40 49.90 50.40 50.90 28.60 29.10 29.60 30.10 30.60 31.10 31.60 32.10 32.60 33.10 33.60 34.10 34.60 35.10 35.60 36.10 36.60 37.10 37.60 38.10 38.60 39.10 39.60 40.10 40.60 41.10 41.60 42.10 42.60 43.10 43.60 44.10 44.60 45.10 45.60 46.10 46.60 47.10 47.60 48.10 48.60 49.10 49.60 50.10 50.60 27.52 28.02 28.52 29.02 29.52 30.02 30.52 31.02 31.52 32.02 32.52 33.02 33.52 34.02 34.52 35.02 35.52 36.02 36.51 37.01 37.51 38.01 38.51 39.01 39.51 40.01 40.51 41.01 41.51 42.01 42.51 43.01 43.51 44.01 44.51 45.01 45.51 46.01 46.51 47.01 47.51 48.01 48.51 49.01 49.51 0.816 0.816 0.816 0.816 0.816 0.816 0.816 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.817 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.818 0.819 0.819 0.819 0.819 0.819 0.819 0.819 0.819 0.819 0.819 0.834 0.834 0.835 0.835 0.835 0.835 0.835 0.835 0.835 0.835 0.836 0.836 0.836 0.836 0.836 0.836 0.836 0.836 0.837 0.837 0.837 0.837 0.837 0.837 0.837 0.837 0.837 0.838 0.838 0.838 0.838 0.838 0.838 0.838 0.838 0.838 0.839 0.839 0.839 0.839 0.839 0.839 0.839 0.839 0.839 0.862 0.862 0.862 0.862 0.863 0.863 0.863 0.863 0.863 0.864 0.864 0.864 0.864 0.864 0.865 0.865 0.865 0.865 0.865 0.866 0.866 0.866 0.866 0.866 0.866 0.867 0.867 0.867 0.867 0.867 0.867 0.868 0.868 0.868 0.868 0.868 0.868 0.869 0.869 0.869 0.869 0.869 0.869 0.869 0.870 0.908 0.908 0.908 0.909 0.909 0.909 0.910 0.910 0.910 0.911 0.911 0.911 0.912 0.912 0.912 0.912 0.913 0.913 0.913 0.914 0.914 0.914 0.914 0.915 0.915 0.915 0.916 0.916 0.916 0.916 0.917 0.917 0.917 0.917 0.918 0.918 0.918 0.918 0.919 0.919 0.919 0.919 0.920 0.920 0.920 Table 2 30 ° spline Number of teeth Graded circle diameter Base circle diameter Db Large diameter Dei Flat tooth root Gradually open end Cut diameter DFimin Trails Di Actual maximum tooth width Emax = Evmin + (T + λ) 4H 5H 6H 7H Number of teeth 7.50 8.25 9.00 9.75 10.50 11.25 12.00 12.75 13.50 14.25 15.00 15.75 16.50 17.25 18.00 18.75 19.50 20.25 21.00 21.75 22.50 23.25 24.00 24.75 25.50 26.25 27.00 27.75 28.50 29.25 30.00 30.75 31.50 32.25 33.00 33.75 34.50 35.25 36.00 36.75 37.50 38.25 39.00 39.75 40.50 41.25 6.4952 7.1447 7.7942 8.4437 9.0933 9.7428 10.3923 11.0418 11.6913 12.3409 12.9904 13.6399 14.2894 14.9389 15.5885 16.2380 16.8875 17.5370 18.1865 18.8361 19.4856 20.1351 20.7846 21.4341 22.0836 22.7332 23.3827 24.0322 24.6817 25.3312 25.9808 26.6303 27.2798 27.9293 28.5788 29.2284 29.8779 30.5274 31.1769 31.8264 32.4760 33.1255 33.7750 34.4245 35.0740 35.7235 8.63 9.38 10.13 10.88 11.63 12.38 13.13 13.88 14.63 15.38 16.13 16.88 17.63 18.38 19.13 19.88 20.63 21.38 22.13 22.88 23.63 24.38 25.13 25.88 26.63 27.38 28.13 28.88 29.63 30.38 31.13 31.88 32.63 33.38 34.13 34.88 35.63 36.38 37.13 37.88 38.63 39.38 40.13 40.88 41.63 42.38 8.85 9.60 10.35 11.10 11.85 12.60 13.35 14.10 14.85 15.60 16.35 17.10 17.85 18.60 19.35 20.10 20.85 21.60 22.35 23.10 23.85 24.60 25.35 26.10 26.85 27.60 28.35 29.10 29.85 30.60 31.35 32.10 32.85 33.60 34.35 35.10 35.85 36.60 37.35 38.10 38.85 39.60 40.35 41.10 41.85 42.60 8.40 9.15 9.90 10.65 11.40 12.15 12.90 13.65 14.40 15.15 15.90 16.65 17.40 18.15 18.90 19.65 20.40 21.15 21.90 22.65 23.40 24.15 24.90 25.65 26.40 27.15 27.90 28.65 29.40 30.15 30.90 31.65 32.40 33.15 33.90 34.65 35.40 36.15 36.90 37.65 38.40 39.15 39.90 40.65 41.40 42.15 6.93 7.66 8.40 9.14 9.88 10.62 11.36 12.10 12.85 13.59 14.34 15.08 15.83 16.57 17.32 18.07 18.82 19.56 20.31 21.06 21.81 22.55 23.30 24.05 24.80 25.55 26.30 27.05 27.79 28.54 29.29 30.04 30.79 31.54 32.29 33.04 33.79 34.54 35.28 36.03 36.78 37.53 38.28 39.03 39.78 40.53 1.206 1.206 1.207 1.207 1.207 1.207 1.208 1.208 1.208 1.208 1.208 1.209 1.209 1.209 1.209 1.209 1.209 1.210 1.210 1.210 1.210 1.210 1.210 1.211 1.211 1.211 1.211 1.211 1.211 1.211 1.211 1.212 1.212 1.212 1.212 1.212 1.212 1.212 1.212 1.212 1.213 1.213 1.213 1.213 1.213 1.213 1.223 1.223 1.224 1.224 1.225 1.225 1.225 1.226 1.226 1.226 1.227 1.227 1.227 1.227 1.228 1.228 1.228 1.229 1.229 1.229 1.229 1.229 1.230 1.230 1.230 1.230 1.231 1.231 1.231 1.231 1.231 1.232 1.232 1.232 1.232 1.232 1.233 1.233 1.233 1.233 1.233 1.233 1.234 1.234 1.234 1.234 1.248 1.249 1.249 1.250 1.251 1.251 1.252 1.252 1.253 1.253 1.254 1.254 1.255 1.255 1.256 1.256 1.256 1.257 1.257 1.258 1.258 1.258 1.259 1.259 1.259 1.260 1.260 1.260 1.261 1.261 1.261 1.262 1.262 1.262 1.263 1.263 1.263 1.263 1.264 1.264 1.264 1.265 1.265 1.265 1.265 1.266 1.290 1.291 1.292 1.293 1.294 1.295 1.296 1.297 1.298 1.298 1.299 1.300 1.301 1.301 1.302 1.303 1.304 1.304 1.305 1.305 1.306 1.307 1.307 1.308 1.308 1.309 1.309 1.310 1.310 1.311 1.311 1.312 1.312 1.313 1.313 1.314 1.314 1.315 1.315 1.316 1.316 1.316 1.317 1.317 1.318 1.318 Table 2 (continued) Units in millimeters Number of teeth Graded circle diameter Base circle diameter Db Large diameter Dei Flat tooth root Gradually open end Cut diameter DFimin Trails Di Actual maximum tooth width Emax = Evmin + (T + λ) 4H 5H 6H 7H Number of teeth 42.00 42.75 43.50 44.25 45.00 45.75 46.50 47.25 48.00 48.75 49.50 50.25 51.00 51.75 52.50 53.25 54.00 54.75 55.50 56.25 57.00 57.75 58.50 59.25 60.00 60.75 61.50 62.25 63.00 63.75 64.50 65.25 66.00 66.75 67.50 68.25 69.00 69.75 70.50 71.25 72.00 72.75 73.50 74.25 75.00 36.3731 37.0226 37.6721 38.3216 38.9711 39.6207 40.2702 40.9197 41.5692 42.2187 42.8683 43.5178 44.1673 44.8168 45.4663 46.1159 46.7654 47.4149 48.0644 48.7139 49.3634 50.0130 50.6625 51.3120 51.9615 52.6110 53.2606 53.9101 54.5596 55.2091 55.8586 56.5082 57.1577 57.8072 58.4567 59.1062 59.7558 60.4053 61.0548 61.7043 62.3538 63.0033 63.6529 64.3024 64.9519 43.13 43.88 44.63 45.38 46.13 46.88 47.63 48.38 49.13 49.88 50.63 51.38 52.13 52.88 53.63 54.38 55.13 55.88 56.63 57.38 58.13 58.88 59.63 60.38 61.13 61.88 62.63 63.38 64.13 64.88 65.63 66.38 67.13 67.88 68.63 69.38 70.13 70.88 71.63 72.38 73.13 73.88 74.63 75.38 76.13 43.35 44.10 44.85 45.60 46.35 47.10 47.85 48.60 49.35 50.10 50.85 51.60 52.35 53.10 53.85 ......

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