Push ,Pull& Kanban Production Systems

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Transcript Push ,Pull& Kanban Production Systems

Push ,Pull& Kanban
Production Systems
Klasifikasi pengendalian sistem
produksi
MRP 1
MRP II
Push system
ERP
Pull system
JIT
SYSTEM
Kanban
system
Conwip
model
Diagram konsep push system
Karakteristik push system
Due date
driven
Release
order
wip
Sistem order produksi jenis
dorong(push)
Filosofi push system
Start Date = Due Date – Lead Time
Start date
Due date
Lead time
Urutan operasi
Teknologi push vs market pull
Push sytem- MRP
Push system – MRP II
Demand
forecast
Demand
forecast
RCP
BOM
Agregate
planing
MPS
MRP
Inventory status
Job pool
CRP
Job release
Routing data
Job dispatcing
Diagram konsep pull system
Karakteristik Pull System
throughput
Urutan operasi
Pull system – JIT (Just In Time)
filosofi
elemen
Building bock
produk
proses
operasi
Just in time scheduled
Finished good inventory
Proporsi waste and value added
JIT-Layout
just in time in job shop
Pull system - CONWIP
CONWIP Controller
Work Backlog
PN
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PC
PC
...
Workstations
20
Push and Pull Schematics
Stock
Point
Stock
Point
Stock
Point
CONWIP
Stock
Point
...
Pure Push (MRP)
Stock
Point
...
Pure Pull (Kanban)
Stock
Point
...
…
Authorization Signals
Full Containers
21
Using MVA to Evaluate Line
Performance
0.6
Best case
Throughput
0.5
Practical worst case (ce(j) = 1)
0.4
0.3
Reduced variability (ce(j) = 0.5)
0.2
0.1
Worst case
0
0
2
4
6
8
10 12 14 16 18 20 22 24 26 28 30 32
WIP
22
CONWIP vs. Pure Push
Comparisons
70
Optimum
CONWIP
Efficiency
60
50
Robustness
Profit
40
30
Push
20
10
0
-10
0%
20%
40%
60%
80%
100%
120%
140%
-20
Control as percent of optimal
23
Pull system-Kanban
Skematik Kanban
Diagram Alir Kanban
Kanban Board For Service Team
Kanban + Scrum Board For
Services Team
Jenis kanban
• Kanban pengambilan
• Kanban perintah produksi
• Kanban Penanda
Urutan Berbagai Jenis Kanban
Langkah-Langkah Menggunakan
Kanban
Sistem Kanban Pada Supermarket
Interface push pull
Perbandingan sistem dorong dan
tarik
Referensi
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http://en.wikipedia.org/wiki/Kanban
http://blog.brodzinski.com/2011/09/pull-push-kanban.html
http://en.wikipedia.org/wiki/Push%E2%80%93pull
http://www.automationmag.com/images/stories/LWTechfiles/73%20Pull%20Kanban.pdf
• http://pushpull.bg/