RKB PRODUCTION FLOW CHART0 pages

PRODUCTION FLOW CHART
CUT/SAW BARS into
SECTIONS
PURCHASE of
STEEL BARS
HEAT SECTIONS
FORGE SECTIONS into RINGS
ANNEALING TREATMENT
TURNING PROCESS
HEAT TREATMENT
QUALITY
CHECK
WHICH TYPE
of STEEL?
CARBURIZING
PROCESS
CARBURIZING STEEL
HARDENING TREATMENT
BEARING STANDARD THROUGH
HARDENING STEEL
TEMPERING TREATMENT
ROUGH GRINDING
FINISHING GRINDING
TEMPERING TREATMENT
DEMAGNETIZATION
DEEP CLEANSING ASSEMBLY
MARKING
WASHING
PACKAGING
WEIGHT and
TEMPERATURE CONTROL
OK
RECOVERABLE?
YES
NO SCRAP
NO
BARS
SELECTIO
N
QUALITY
CHECK SCRAP
OK QUALITY
CHECK SCRAP
OK
NO
NO
RECOVERABLE?
YES
SCRAP
NO
NO
OK
QUALITY
CHECK
SCRAP
QUALITY
CHECK
SCRAP
OK
NO
NO
OK
QUALITY
CHECK
RECOVERABLE?
SCRAP
NO
YES
QUALITY
CHECK
RECOVERABLE?
SCRAP
NO
OK
OK
NO
OK
DEEP CLEANSING
FINAL QUALITY
CHECK
SCRAP
OK
NO
NO