DIN EN ISO 8062-3-2007 产品几何量技术规范(GPS).模制配件的尺寸和几何公差.第3部分:铸件的一般尺寸、几何公差和机械加工余量
Geometrical Product Specifications (GPS) - Dimensional and geometrical tolerances for moulded parts - Part 3: General dimensional and geometrical tolerances and machining allowances for castings (ISO 8062-3:2006); English version of DIN EN ISO 8062-3:2007
This part of ISO 8062 specifies general dimensional and geometrical tolerances, as well as machining
allowance grades, for castings as delivered to the purchaser in accordance with ISO 8062-2. It is applicable
for the tolerancing of dimensions and geometry, and required machining allowance of castings in all cast
metals and their alloys produced by various casting manufacturing processes.
This part of ISO 8062 applies to both general dimensional and general geometrical tolerances (referred to in
or near the title block of the drawing), unless otherwise specified, and where specifically referred to on the
drawing by one of the references in Clause 9.
The dimensional tolerances covered by this part of ISO 8062 are tolerances for linear dimensions.
The geometrical tolerances covered by this part of ISO 8062 are:
-- tolerances for straightness,
-- flatness,
-- roundness,
-- parallelism,
-- perpendicularity,
-- symmetry, and
-- coaxiality.
This part of ISO 8062 can be used for the selection of tolerance values for individual indications.
N~TE This part of ISO 8062 does not apply to 3D CAD models used without indicated dimensions.