T/CEEIA 697-2023 Casting induction furnace quality grading specifications
T/CEEIA 697-2023 Casting induction furnace quality grading specifications
Basic Information
Scope
Scope: This document specifies the quality grading principles, grading indicators, sampling inspection methods, and document management for casting induction furnaces. This document applies to quality grading activities for heartless induction furnaces (including iron/steel melting furnaces, copper and alloy melting furnaces, aluminum melting furnaces, and zinc melting furnaces) that operate at frequencies higher than 50 Hz and lower than or equal to 1000 Hz, with a rated capacity ranging from 1 t to 60 t, powered by medium-frequency semiconductor frequency converters. This document also applies to quality grading activities for heartless induction furnaces and concentric induction furnaces for melting copper (aluminum, zinc) that are not equipped with frequency converters and are directly powered by industrial power grids at frequencies of 50 Hz or 60 Hz. Main technical content: This document specifies the quality grading principles, grading indicators, sampling inspection methods, and document management for casting induction furnaces. This document applies to quality grading activities for heartless induction furnaces (including iron/steel melting furnaces, copper and alloy melting furnaces, aluminum melting furnaces, and zinc melting furnaces) that operate at frequencies higher than 50 Hz and lower than or equal to 1000 Hz, with a rated capacity ranging from 1 t to 60 t, powered by medium-frequency semiconductor frequency converters. This document also applies to quality grading activities for heartless induction furnaces and concentric induction furnaces for melting copper (aluminum, zinc) that are not equipped with frequency converters and are directly powered by industrial power grids at frequencies of 50 Hz or 60 Hz.