Macro-motion Studies _________
Micro Motion Studies __________
The overall flow of the entire factory
smaller, more detailed studies of operations within the factory
All processes can be broken into 5 Classes:
O.T.I.D.S.
Operations
Transportations
Inspection
Delay
Storage
Improvement Sequence:
Can the activity be _______
can the activity be _______
can the activity be _______
can the activity be _______
1. eliminated
2. combined
3. rearranged
4. simplified
Internal work is work than can
be performed during the machine cycle
External work is work that
must be performed while the machine is stopped
Value added work is
An activity that physically changes the part to meet custom requirements
What percentage of manufacturing time is non-value added
85-95%
What is Time standard
The time required to produce a product by a qualified, trained operator working at a normal pace, doing a specific task
Is the required time to produce a part to meet customer demand based on the work time available
What's the equation for TAKT time?
(Shifts x (work hrs - breaks- startup- end of shift))/Demand (pcs/day)
Equation for amount of machines needed
Time Standard (min/unit) / TAKT time (min/unit)
Manpower equation
Labor standard x Requirements (pcs)
What is the measure of productivity?
OUTPUT/INPUT
Efficiency equation
earned hours/actual hours
earned time equals
hrs/pc X pcs produced
What does PDCA stand for
PLAN
DO
CHECK
ACT
What is cycle time?
How long it take to produce a part from start to end of process
Plants with no standards operate at _______
Plants with Standards operate at _____
Plants with Incentive Programs operate at _____
60%
85%
120%
Lower efficiency gives _______
Higher efficiency gives _______
More Labor
Less Labor
Lead time is the time is takes to...
A. get through all processes from start to finish, including all operations and wait times
B. buttfucking a corpse because its thursday
A.
what does a push system do
calculates the amount of finished goods needed and quaility losses
what does a Pull system run
J.I.T. philosophy reduces finished goods; parts are produced as needed in perfect conditions
2 shifts, 10 hr shifts, paid lunch 30 min, start up 10min, shutdown 10 min
customer demand 600 pcs/day
solve takt time
?