DMAIC应用案例.pptxVIP

FPYUPH Improvement for Hello Prepared by: Stone Fu Updated: Apr30th, 2015 1 2 Team Introduction Project leader: Stone Fu Project champion: Jeremy Chung Lean Member: Shanshan Yao Core team members: ME: Jack Lee, William Pan; MFG: Jackie Jiang, HS Chen; TE: Dave Huang, Dijin Li; QE: Wenming Liu, Stone Fu, Milo Huang; IE: HuaDong Liang; Planner: Ada Song; IA: Kitty He; Buyer: Eva Xie WCM: Kite Pan 3 Currently FPY range is 70.0%--76.6%, it is very low and not very stable. Improve average FPY from 72.4% to 90.0% at least. Challenge goal is 95%. Opportunity Statement Goal Statement Project Scope FPY Improvement Rate Hello project Bay51 4 5 Current FPY trend Average FPY from (wk10 to wk15) is 72.4%,it is greatly lower than goal . 6 Goal set up 7 Top5=85% 8 Working TH is not matched with the UUT Relax the test range Humid Failed 9 Lack of training Work place TH is not suitable for working No wearing anti-static gloves/finger cot rubbing the part on the working table long fingernails Part piled up in line or in tray 10 New comer, lack of training, experience Tester method need improved Design Speaker assembly is not matched with the unit after assembled Assembly process need improved Bridge happened in soldering process Speaker Failed 11 Lack of experience operator wrong operation Workshop Is not dust-free The Frequency of cleaning the workshop floor is not enough Dust 12 New comer, lack of experience Workshop TH is not suitable for working Gap 13 Open item 1. OEE-Plant Failed Item Current Action Failed Rate Chart Before After Action Long-term Action Humid_Test failed at system level test. Suggest customer change the Humid_Test tolerance from ±5% to ±10%; Suggest customer update test FW. Added one fan to improve airiness in chamber to have both UUT