It specifies general tolerances on linear and angular dimensions and on coaxiality and symmetry in four accuracy grades which are meant for use and hot stampings made from steel flat products. They shall apply whenever reference is made to this standard on drawings or relevant documents (e. In delivery conditions). General tolerances for parts made by fine blanking are not covered in this standard. If, by way of exception, it is intended to apply this standard also to components made from semi-finished products other than flat products, or from materials other than steel, this shall be particularly agreed.

This standard shall be applied in conjunction with the specifications given in DIN 6932. DIN 6930-1 is valid for the technical delivery conditions of stamped parts. Regulations for general tolerance in existing drawings are included in clause 5.

This standard is intended to simplify drawings. It specifies general tolerances on linear and angular dimensions, and on coaxiality and symmetry with four tolerance classes as follows: f (fine), m (medium), g (coarse) and sg (very coarse). By selecting a specific tolerance class, the customary workshop accuracy is taken into consideration. General tolerances as specified in this standard are used for cold or hot stampings made from flat steel products, and apply wherever reference is made to this standard in drawings or other relevant documents (e.g. Delivery conditions). General tolerances for parts made by fine blanking (see VDI 2906 Part 5) are not covered by this standard. If, as an exception, this standard is also applied to parts made from semi-finished products other than flat products, or from materials other than steel, this shall be agreed separately.

This standard is to be applied in conjunction with DIN 6932 on design rules for stamped steel parts. Technical delivery conditions for stampings are specified in DIN 6930-1.

Guidelines for general tolerances indicated on existing drawings are given in Clause 5.

Jan 1, 2018 - Din 9830 General Tolerence - book pdf epub doc library online to. Rating:1/10Jul 16, 2017 - din 6930 -2: stamped steel parts.

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