19. Advantages Requirements PULL system Limited and known Final Inventory Every job is a ‘High Stress’ Rush order, hence one can never relax and take it easy. Worker only consume their time & Raw Materials on what is actually needed Balanced systems MUST be in place. Quality MUST be High – each piece has a definite place to go – else immediate feedback is given Mistake-proofing (poka-yoke) should be there as one can not afford to make mistakes. Any problem will lead to unhappy customers (either internal or external) Quick changeover. 6S and SMED.
20. Inventory Hides Problems Just as Water in a Lake Hides Rocks Inventory level Inventory level Scrap Setup time Late deliveries Quality problems Process downtime Scrap Setup time Late deliveries Quality problems Process downtime