JIT systems Flashcards
what is JIT manufacturing?
to produce only what is needed when it is needed– Just In Time
what is JITs philosophy?
eliminate all waste in the organization
what is a JIT system?
a management system that aims to improve the manufacturing or service process by eliminating waste
what are the 7 types of waste?
1.process
2. over-production
3. inventory
4. product defects
5. waiting time
6. methods
7. movement
define the pull system
each workstation request, or “pulls” items from the previous workstation only when needed.
define the push system
each workstation produces according to a schedule and “pushes” it completed work to the next work station
what is the Kanban system?
a visible production control system which authorizes the production or movement of the next batch of material only when needed
what is preventative maintenance?
periodic inspection and maintenance designed to avoid breakdowns
what is a poka yoke?
devices that are designed to prevent mistakes/defects from happening
what is single sourcing?
entire family of parts provided by one supplier
what is JIT II
supplier working in the manufacturers plant
demand variability
cells can deal with changes in product mix and volume to a certain extent
what is uniform loading?
arrange daily production mix in the same ratio as monthly demand
how does JIT become successful
all key elements must be present and integrated for the system to work well
what are the three attributes that explain why JIT might not suit your organization
- very high volume
- very low volume, unique products
- highly fluctuating demands or true make to order products
