VSM terminologi Flashcards
(27 cards)
Process time
Time required to handle an item within a process step
Cycle time
The time between each output from the process (always = to the longest process step)
Changeover
Activities that are required to prepare a machine or process for another type of product
SMED (Single Minute Exchange of Die)
Method for changeover reduction.
Convert internal changeover to external changeover
Batch size
Between work stations or within work skations
Quality rate
Correct / TOT
Uptime
The time time when equipment or process is available for production
Available machine / TOT time
Takt time
Available working time / Customer demand
Inventory waiting time
Average inventory x customer or production takt time
FIFO
Products are handled in the order they arrive in the queue
Downstream
process steps to the right
Upsteam
process steps to the left
Lead time
Time from the beginning to the end of the process
Total process time
Sum of all process times
Total lead time
Sum of Total process time and all inventory waiting time
Process efficiency
tot process time / tot lead time
Average C/T per unit
Cycle time / average batch size
Average C/O
Change over time / Average batch size
TIMWOOD
Transportation
Inventory
Motion
Waiting
Overproduction
Overprocessing
Defects
Overproduction
Producing items we cannot immediately use or sell
Waiting
For parts, machines, and downstream operators
Transporting
moving items needlessly
Processing
Unnecessary steps that do not add value
Inventory
Storing, retrieving, counting, insuring, taking up space & money
