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第五节 一般、常用和优先的公差带与配合

第五节 一般、常用和优先的公差带与配合. GB/T1801 — 1999 规定了基本尺寸≤ 500 mm 的一般用途 轴 的公差带 116 个和 孔 的公差带 105 个,再从中选出 常用 轴 的公差带 59 个和 孔 的公差带 44 个,并进一步挑选出孔和轴的优先用途公差带各 13 个,如教材图 2-17 (一般、常用和优先轴的公差带)和图 2-18 (一般、常用和优先孔的公差带)所示。图中方框中的为常用公差带,圆圈中的为优先公差带。 选用时,以优先、、常用、一般、任一孔、轴公差带为顺序 ; 以优先、常用、任一孔、轴公差带组成配合为顺序。. js6. m6. n6.

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第五节 一般、常用和优先的公差带与配合

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  1. 第五节一般、常用和优先的公差带与配合 GB/T1801—1999规定了基本尺寸≤500mm的一般用途轴的公差带116个和孔的公差带105个,再从中选出常用轴的公差带59个和孔的公差带44个,并进一步挑选出孔和轴的优先用途公差带各13个,如教材图2-17(一般、常用和优先轴的公差带)和图2-18(一般、常用和优先孔的公差带)所示。图中方框中的为常用公差带,圆圈中的为优先公差带。选用时,以优先、、常用、一般、任一孔、轴公差带为顺序;以优先、常用、任一孔、轴公差带组成配合为顺序。

  2. js6 m6 n6 s6 t6 t6 s6 n6 m6 js6 b11 h11 g6 e7 h7 d9 h7 h9 h11 e7 d9 g6 h9 一、一般、常用和优先的孔、轴公差带(GB/T1801—1999) 图2-17一般、常用和优先轴的公差带

  3. 图2-18一般、常用和优先孔的公差带

  4. 二、常用和优先配合 表2-8基孔制常用和优先配合(摘自GB/T1801—1999)

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