【正文】
curs If rejection occurs establish countermeasure : attach the process TDRE* activity when defect occurs continuously Make a permanent countermeasure : Fool Proof Establish check appraisal system *TDRE : Tear Down Re Engineering * Sign Board MAJOR PROCESS SPECIFIC PROCESS CRITICAL PROCESS 550MM 145MM Main Process Control Sheet Production Q’ty Defective Q’ty Defective Rate Date 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Total Defect Rate (ppm) 1,000 2,000 DRAWING CONTROL POINT SHOP PROCESS NAME CATEGORY OPERATOR OPENING DATE SUPERVISOR TARGET 5. 6TOOL4 / Time Check To assure ponent quality which are processed in house, check main control point regularly Time Check Image Flow Chart Activity Check quality periodically and take action Initial inspection : . Assure initial setting condition Intermediate inspection : Check 4M variation . Correct specification variation of 4M at mid of production day Final inspection : Assure the quality of finished product Decide check point Take sample Check Keep sample Recording ? Initial ? Intermediate ? Final ? Every two hour OK NG Stop production check early Lot Recheck all (100%) Change working condition repair Isolate rejected lot Stop the defective input to the next process Decide limit level and segregate Repair or disposal Find out defect cause Establish permanent solution with concerned dept. TIME CHECK SHEET WEEKLY CHECKED BY(SUPERVISOR): APPROVED BY(MANAGER): LINE PROCESS NAME DURATION ( / / ) ~ ( / / ) CYCLE EVERY ( ) HR OPERATOR’S NAME SUPERVISOR’S NAME No Check items Signature by supervisor MON ( / ) TUE ( / ) WED ( / ) THU ( / ) FRI ( / ) SAT ( / ) 09:00 ~ 11:00 11:00 ~ 01:00 02:00 ~ 04:00 04:00 ~ 06:00 09:00 ~ 11:00 11:00 ~ 01:00 02:00 ~ 04:00 04:00 ~ 06:00 09:00 ~ 11:00 11:00 ~ 01:00 02:00 ~ 04:00 04:00 ~ 06:00 09:00 ~ 11:00 11:00 ~ 01:00 02:00 ~ 04:00 04:00 ~ 06:00 09:00 ~ 11:00 11:00 ~ 01:00 02:00 ~ 04:00 04:00 ~ 06:00 09:00 ~ 11:00 11:00 ~ 01:00 02:00 ~ 04:00 04:00 ~ 06:00 Specs * Time Check Process Board TIME CHECK PROCESS 550MM 145MM TIME CHECK BOARD Time Check Sheet 09:00~11:00 11:00~01:00 02:00~04:00 04:00~06:00 LINE : ________ ITEM : _________