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最新伟创力精益JIT项目精典案例
Improve Action
Redesign new “JIT” layout ,Reduce Batch Size to “one piece flow”. (please refer 4.Main Line & Sub Layout (improved))
8-4. DETAIL OF KAIZEN(4)
每小时人均产能 Capability PPH
当前实际 Actual
2 1 1 37 41 18 2 21
6
67mm
1.42
2.16
改善后 Improved
1 1 1 28 31 11 0 20
6
54mm
0.66
2.86
比率 Ratio
0.50
备注 Remark
1.00 Now we don't need to
Assembly
Right Frame
ACM
Barrow,70m, 160EA/time
(80EA/BOX)
Assembly
Barrow,70m, 40EA/time
(16EA/BOX)
Barrow,10m32 EA/time
(16EA/BOX)
Gear Train
Duplex Ass’y
Left Frame
4.Main Line & Sub Layout (improved)
4.5M
Line Status:
Line Area:12M*4.5M
12M
=54mm
5. PROCESS FLOW CHART
Change
Left Frame
Barrow,5m, 36EA/time
(12EA/BOX)
Main Frame
Before Improving
After Improving
Switch used with finger
Switch used with footຫໍສະໝຸດ Type of Waste
Motion: Switch used with foot press, Op would keep one leg standing, that made them tired.
A side
After Improving
A side
Switch used with finger
B side
Type of Waste
Motion/Cost: The part put one side(A side)to opposite side(B side) from A fixture to B fixture.
7. DIFFERENCE
差异项目 Difference Item
Leader
人员 Human
Repairer Mobile OP Direct OP
Total
Fixture
设备/夹具 Fixture
Rack Screw driver
Screw Supplier
占用面积 Area
Lead Time ( hour )
Improving Action
Use roller line, So Ops don’t need to transit printer from conveyer belt to workstation. And every Op will almost reduce a little transportation.
8-3. DETAIL OF KAIZEN(3)
Before Improving
After Improving
Type of Waste
Over-processing, Transportation , Inventory, Over production, Defect: Pool layout make almost these five types waste in old line.
Right Frame
ACM
Main Frame
Assembly
Assembly
Gear Train
Duplex Ass’y
6.BALANCE PRODUCTION LINE
Eliminate waiting, Neither make anybody too busy, Nor make anybody too free! Only a Fair Environment is able to found high work morale.
1.00 transit five sub to main line.
0.76
0.76 0.61
0.00
0.95
1.0
0.80
0.46
1.32
8-1. DETAIL OF KAIZEN(1)
Before Improving
After Improving
Type of Waste
Transportation: Ops need transit printer from conveyer belt to workstation.
8-2. DETAIL OF KAIZEN(2)
Before Improving
After Improving
Type of Waste
Motion: Materials isn’t appropriate level of reach
Improve Action
Put screw driver on material bracket ,So the distance from screw driver to screw hole is much shorter then before. In line there are many station like this.
Improve Action
Put switch on collet,Op can press the switch in the same time when move to the relevant position.
8-5. OTHER KAIZEN (1)
Before Improving
B side
伟创力精益JIT项目精典案 例
2、MAIN LINE & SUB LAYOUT (original)
6.6M
1.5M
Line Status: Line Area: =12M*6.6M-8*1.5 =67.2mm
12M
8M
3. WORK SAMPLING STATISTICS & H/C EVALUATION: