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製造系統與自動化期中考A2 (Production System (Activities in Manufacturing Support…
製造系統與自動化期中考A2
Production System
Manufacturing system
Mechanization/Automation of mfg.sys.
Mechanization
Automation
Computerization
Manufacturing Support System
Relationship between systems
Types of Manufacturing Systems
Main Factors for classifying manufacturing systems
Product quantity
高中低、年產量、只算離散型產品
Product Variety
Differentiation/Variety
Measurement of Variety
Variety types
Hard Variety
Soft Variety
Type 1 Low Production、High Variety低產量 高產品多樣性
Job Shop
Machines of Identical function are put together (同樣功能機台放一起，不同的產品有同樣的需求都會被搬運到同一個地方統一處裡)
A lot of movement distance (MH)(也因為如此，所以單一產品的移動距離很長，故為了減少移動距離，通常會做設施規劃)
Low Production、High Variety 低產量 高產品多樣性，表示為單一個產品而設計產線是not cost effective的
Process Layout
High Flexibility (for products of high variety)
inefficiency(more material handling tasks are needed)(搬運次數、距離多、長)
Fixed-Position-Layout的零件通常是Process Layout 因為很重也很大也很特殊
Fixed Position layout
Special orders、Repeat orders may never occur(每次訂單都非常特殊，意味不應為單一產品特別規劃產線)
Product is large、heavy
Type 2 medium production中產量
A hard Variety
Batch Production
Process layout
A soft Variety
Cellular manufacturing
Cellular layout
Characteristics of CM
Enhance machine /operator productivity
Reduce material
Improve production throughput
GT
different family
Batch production +Process layout
Identical family
Cellular mfg.
cellular layout
Type 3 mass production高產量
Special Purpose
Quantity Production
Process layout
Single machine
Flowline Production
Product layout
Mixed Model production line
Soft variety (e.g. Car manufacturing)
Single model production line
Activities in Manufacturing Support systems
Information-processing activities
Product design
Manufacturing planning
Business Function
Manufacturing control
ODM
OEM
OBM
Smile Curve
左邊設計端 中間製造 右邊服務端 X軸是產品生命週期 Y軸是附加價值
:warning:設備產能>個別產品需求