ChinaAutoRegs\uff5cGB\/T 3478.1-2008 \u82f1\u6587\u7248\/English\/\u7ffb\u8bd1\/\u5706\u67f1\u76f4\u9f7f\u6e10\u5f00\u7ebf\u82b1\u952e\uff08\u7c73\u5236\u6a21\u6570\u9f7f\u4fa7\u914d\u5408\uff09\u7b2c1 \u90e8\u5206\uff1a\u603b\u8bba
\nStraight Cylindrical Involute Splines – Metric Module Side Fit – Part 1: Generalities<\/p>\n
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GB\/T 3478, Straight Cylindrical Involute Splines – Metric Module Side Fit, consists of nine parts:
\n\uf02d Part 1: Generalities;
\n\uf02d Part 2: 30\u00b0pressure angle dimensions tables;
\n\uf02d Part 3: 37.5\u00b0pressure angle dimensions tables;
\n\uf02d Part 4: 45\u00b0pressure angle dimensions tables;
\n\uf02d Part 5: Inspection;
\n\uf02d Part 6: 30\u00b0pressure angle M and W values;
\n\uf02d Part 7: 37.5\u00b0pressure angle M and W values;
\n\uf02d Part 8: 45\u00b0pressure angle M and W values;
\n\uf02d Part 9: Measuring pin.<\/p>\n
1. Scope
\nThis part of GB\/T 3478 specifies the module series, basic rack profiles, tolerances, and side fit classifications for straight cylindrical involute splines.
\nThis part applies to the straight cylindrical involute splines with standard pressure at 30\u00ba and 37.5\u00ba (module at 0.5~10mm) and side fit at 45\u00ba (module at 0.25~2.5mm).
\nNote: for computer management, 37 \u00ba 30\u2019\u2019 is expressed as 37.5 \u00ba.
\n2. Normative References
\nThe following Standards contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent amendments (corrigenda excluded) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the Standards indicated below. For undated references, the latest edition of the applicable standards referred to applies.
\nGB 1800.1 Geometrical Product Specifications (GPS) – Limits and Fits – Part 1: Bases of Tolerances, Deviations and Fits
\nGB\/T 3478.5 Straight Cylindrical Involute Spline – Metric Module, Side Fit – Part 5: Inspection (GB\/T 3478.5-2008, ISO 4156-3:2005, (Straight Cylindrical Involute Splines-Metric Module, Side Fit-Part 3: Inspection), MOD)<\/p>\n
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