英文版形态公差
时间:2012-5-28 14:42:50 作者:标准吧 来源:英文 阅读:802次
Scope :
The present table has the scope of simplifying the indications that shall figure in the technical designs and stabilize the general tolerance for the linear and angular dimension without specific tolerance indications.
Stabilizes moreover the geometric tolerance generally applicable in the elements of the design without the indications of the specific tolerance.
General :
Whenever a specific tolerance is not indicated for a dimension including the finished surface and rough surface, the larger of the two general tolerances in consideration is applied.
Index :
1. Maximum errors admitted for machine parts with removal of chips.
2. Maximum errors admitted for blanked and bend parts (excluding thickness).
3. Maximum errors admitted for hot pressed parts (excluding metal sheet).
4. Maximum errors admitted for synthetic pressed resin parts.
5. Maximum errors admitted for permanent mould casting (gravity die-casting).
6. Maximum errors admitted for sand casting.
7. Maximum errors admitted for die-casting (pressure die-casting).
8. Maximum errors admitted for sintered parts.
9. Maximum errors admitted for pressed rubber parts.
10. Norms cited.
802
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