GB/T 6403.4-2008Rounding and chamfer of parts (English PDF)

1 Scope

GB/T 6403 provisions of this part of the general mechanical machining parts outside corners and rounded interior angle, chamfer.

This section applies to the mechanical machining of parts outside corners and rounded interior angle, chamfer. Does not apply to the special requirements of rounding,

Chamfer.

2 Normative references

The following documents contain provisions which, through reference to GB/T 6403 this section, constitute provisions of this part. For dated reference documents

Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section

Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.

GB/T 4458.4 Mechanical drawings Dimensions

3 rounded chamfer type

Rounding, chamfering type shown in FIG. 1, the size of the series of values are shown in Table 1.

NOTE. alpha generally use 45 °, 30 °, or may also be 60 °. Rounding radius, chamfer dimension in line with GB/T 4458.4 requirements of.

1 rounded chamfer

Table 1 rounded chamfer dimension series of values in millimeters

R, C

0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.6 2.0 2.5 3.0 […]