Question 26

Heijunka levels production volume and mix over time.

Heijunka is a lean technique specifically designed to level out production volume and mix, enabling a more stable and predictable workflow. By smoothing the production schedule, Heijunka helps to reduce waste and improve efficiency.

A) Heijunka

Heijunka is the correct choice because it focuses on leveling the production schedule, which includes balancing both the volume and the variety of products produced over a specific time period. This approach reduces fluctuations in production and helps to meet customer demand more effectively while minimizing waste.

B) Kanban

Kanban is a visual management tool used to control the flow of work and inventory in a production process. While it aids in managing production and inventory levels, it does not inherently level production volume and mix like Heijunka does.

C) Poka-yoke

Poka-yoke refers to error-proofing mechanisms designed to prevent defects in the manufacturing process. This technique is focused on quality control rather than leveling production volume and mix, making it irrelevant to the question at hand.

D) SMED

SMED (Single-Minute Exchange of Die) is a lean methodology aimed at reducing setup times to increase production flexibility. Although it improves efficiency and responsiveness, it does not address the leveling of production volume and mix over time, which is the core focus of Heijunka.

Conclusion

Heijunka is definitively the correct answer as it directly addresses the need to level production volume and mix, which is essential for effective lean manufacturing. The other options, while important in their own right, focus on different aspects of production efficiency and do not achieve the main goal of leveling production as Heijunka does.