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Hjulsmiing

 When the user requires chemical composition verification and analysis of forgings, it must be in accordance with GB/T222-1984 "Sample sampling method for chemical analysis of steel and allowable deviation of chemical composition of finished products" and GB/T223.1223.77-19811997" "Steel and alloy chemical analysis methods"

Dersom brukeren krever den kjemiske sammensetningsverifiseringsanalysen av smiingen på et annet sted enn standarden, bør det oppgis i ordrekontrakten, og det tillatte avviket som brukes bør fastsettes av brukeren og produsenten gjennom forhandlinger.

The shape and size of the wheel forgings should meet the requirements of the forging drawings. The machining allowances, tolerances and margins specified on the wheel forging drawings are in accordance with GB/T15826.1-1995 General requirements for machining allowances and tolerances of steel free forgings on hammers, GB/T12362-1990 "Steel die forgings" Tolerances and machining allowances are determined by the standards.

Dersom det er feil som sprekker, folder, smiing, mellomlag, arr, slagginneslutninger etc. på overflaten av hjulsmiingene, skal følgende forskrifter implementeres

For the surface of forgings that need to be machined, the defect depth is confirmed by inspection, and it can be guaranteed that if more than 50 percent of the machining allowance is left, it is allowed not to be removed, but the user's consent is required.

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