Lean Manufacturing Flashcards

1
Q

What is Lean Manufacturing?

A
  • Lean production is aimed at the elimination of waste in every area of production including customer relations, product design, supplier networks, and factory management.
  • We should eliminate pure waste and strive to eliminate (or significantly reduce) necessary waste all the time.
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2
Q

What is the goal of Lean?

A

Reducing lead time by reducing waste.
- At the same time we strive to improve quality, reduce costs, and improve morale and safety.

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3
Q

What is the focus of Lean?

A

Focuses on the efficient operation of the entire value chain.
Focus areas:
- Reduce cycle time
- Improve quality
- Align production with demand.
- Reduce inventory.
- Improve morale, process safety, and efficiency.

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4
Q

What is the focus of Six Sigma?

A

Six Sigma is a measure of process capability focused on improving quality by controlling variation

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5
Q

Lean Six Sigma

A

Lean Six Sigma is a combination of two powerful and proven process improvement methods Lean and Six Sigma, that builds on existing organization capability in quality, statistics, and project execution.

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6
Q

What are Customer Value Add activities?

A
  • Assembly
  • Service delivery
  • Call responding
  • Fabricating
  • Printing
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7
Q

What are Business Value Add activities?

A
  • Order/entry processing
  • Purchasing
  • Sales/marketing
  • Regulatory reporting
  • Internal financial reporting
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8
Q

What are Non-Value Add activities?

A
  • Handling
  • Inspecting
  • Transporting
  • Stocking
  • Rework loops
  • Signoffs
  • Delays
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9
Q

What are CVA questions?

A
  • Does the task transform the product or service?
  • Is that transformation meaningful to the customer?
  • Would the customer be willing to pay?
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10
Q

What are BVA questions?

A
  • Does this task reduce financial risk?
  • Does this task support financial reporting requirements?
  • Would the process break down if this task were removed?
  • Is this task required by law or regulation?
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11
Q

What are NVA questions?

A
  • If the customer knew we were doing this, would he want to pay less?
  • Does the task fit into either of the other two categories?
  • Can I reduce this activity?
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12
Q

What is a Kano Analysis?

A
  • Kano analysis is a quality measurement tool used to prioritize customer requirements based on their impact on customer satisfaction, and determine which requirements are important.
  • All identified requirements may not be of equal importance to all customers.
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13
Q

What are the four types of customer needs?

A
  1. The “Surprise and Delight” factors
  2. The “More is Better”
  3. The “Must be” things
  4. “Dissatisfiers”
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14
Q

What are the “Surprise and Delight” factors?

A

These really make your product stand out from the others.

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15
Q

What are the “Must be” things?

A

Without this, you’ll never sell the product.

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16
Q

What are the “Dissatisfiers”?

A

The things that cause your customers not to like your product.

17
Q

What are the types of waste?

A
  1. Inventory
  2. Waiting
  3. Overproduction
  4. Overprocessing
  5. Material movement
  6. Motion
  7. Correction
18
Q

What is inventory waste?

A

Any supply in excess of one piece flow.

19
Q

What is waiting as waste?

A

Being idle between operations

20
Q

What is overproduction?

A

Producing more or sooner than the customer needs.

21
Q

What is overprocessing?

A

Extra efforts that add no customer value to the product.

22
Q

What is material movement as a waste?

A

Moving material not needed for “Just-In-Time” production.

23
Q

What is motion as a waste?

A

Any movement that adds no value

24
Q

What is correction as a waste?

A

Failing driven activities: Inspection, Rework, Testing, Scrap

25
Q

Lean - Fast

A

From the moment the order is received till the moment the order is delivered

26
Q

Lean - Flexible

A

Low cost flexibility by a batch size of one

27
Q

Lean - Flow

A

Working steadily at the customer rate

28
Q

What is Just-in-Time production?

A
  • Making only what is needed, when it is needed, and in the amount needed: stockless production.
  • The goal is to minimize the presence of non-value-adding operations and non-moving inventories in the production line.
  • Relies on the use of kanban system
  • Each process produces only what is needed by the next process in a continuous flow
29
Q

What is Jidoka?

A
  • “Automation with a human touch”
  • Quality is built in during the manufacturing process
  • When a problem occurs, the equipment stops immediately, preventing defective products from being produced
  • Prerequisite for Just-in-Time to work
  • Problems are comunicated via a “problem communication board”
30
Q

What are the characteristics of a Lean Organisation?

A
  • Customer as starting and ending point
  • Simplicity (by avoiding complexity)
  • Waste reduction
  • Process view
  • Visibility and transparency
  • Regularity
  • Flow
  • Pull
  • Prevention
  • Time (reduction)
  • Improvement
  • Partnership
  • Value networks
  • Gemba
  • Variation reduction
  • Participation
  • Thinking small (multiple small machines)
  • Trust
  • Knowledge
31
Q

What is gemba?

A

Gemba is the production floor; it means that the manager should go to the production floor to see the process himself