HB 6077-2008
Tolerances and machining allowances of die forgings (English Version)

Standard No.

HB 6077-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Aviation

Latest

HB 6077-2008

Replace

HB 6077-1986

Scope

This standard specifies the tolerance levels of die forgings, factors for determining tolerances, tolerances and machining allowances. This standard applies to ferrous and non-ferrous metal aviation die forgings (hereinafter referred to as forgings) produced by die forging hammers, various die forging presses, precision forging machines and flat forging machines with a thickness not exceeding 250kg or a maximum size of 2500mm. . For forgings beyond the above range, the tolerances shall be agreed upon by both parties.

HB 6077-2008 Referenced Document

• HB 6190 Design and drawing regulations for die forgings

HB 6077-2008 history

• 2008 HB 6077-2008 Tolerances and machining allowances of die forgings
• 1986 HB 6077-1986 Die forging tolerances and machining allowances
• 1970 HB 0-6-1967 Dimensional tolerances of die forgings and structural elements of die forgings