The document applies to general tolerances and required machining allowances, if applicable, for surfaces to be machined on rough castings of aluminium and magnesium alloys, manufactured by sand moulding. General tolerances for angular dimensions are not specified. The specifications given in the document are inactive for new design. In these cases, DIN ISO 8062 shall be applied.
Số hiệu tiêu chuẩn
DIN 1688-1
Tên tiêu chuẩn
Rough castings of light metal alloys - Sand mouldings - General tolerances, machining allowances; inactive for new design
Ngày phát hành
1998-08-00
Thay thế bằng
DIN CEN ISO/TS 8062-2 (2014-03)
Từ khóa
Aluminium alloys * Cast metals * Casting parts * Casting tolerances * Castings * Design * Drawing specifications * Drawings * Foundries * Foundry practice * General tolerances * Light alloys * Light-metal castings * Machining tolerances * Magnesium alloys * Moulded parts * Precision * Rough castings * Sand casting * Tolerances (measurement) * Treatment * Machining * Processing