Manufacturing Resource Models

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Manufacturing Resource Models

• IE550
• Dr. R. A. Wysk

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A Resource Model

• Something like a list of things (resources)
• Something like an architecture of these things
• Some type of capabilities model

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Things in a Manufacturing System

• Men
• Materials
• Machines
• Money

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Men

• Agents used to plan and conduct material
  transformation
• Normally used in conjunction with some machine

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Material

• The entity that gets transformed or gets used in
  the transformation
• Material is usually referred to as product
  substance, i.e., raw material

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Machines

• Entities that are used to increase power,
  precision and direct a material transformation
• Many classes of machines
• Machines within machines

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Money

• The entity that makes getting men, material and
  machines possible.

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Types of Architectures

• All kinds of architectures in a manufacturing
  facility
• Physical
• Logical
• Organizational

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Functional Architecture

• How tasks relate to each other
• Sales
• Marketing
• Order entry
• Production control
• Process planning
• Etc.

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A Collection of Controllers
Shop
Wkstn
Resource Manager
Wkstn
Wkstn
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A Hierarchical Controller Architecture
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Connectivity Graph

• Adjacency relationships
• Connects product flow

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Physical Model - Processing Workstation
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Fadal CNC Machining Center
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Fanuc M1L Robot
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Daewoo Puma 6 Turning Center
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Classes of Equipment Resources

• Material Processors
• Material Handlers
• Material Transporters
• Warehousing
• Buffers

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Fadal VMC-20 Table size 29.5"x16" Floor
to table surface 30" T-slots (No. x Width
x Span) 3x.562"x4.33" Cutting feed rate
0.01"-250" Rapid feed rate 400"/Min
Max. weight on table 1,000 Lbs Axis drive
motor DC, 1,800 Lb. Thrust Ball Screw
size 1.25" Dia. X/Y/Z Longitutinal (X
axis) 20" Cross (Y axis) 16"
Vertical (Z axis) 20" SPindle nose to
table 4"-24" Main motor 7.5 HP, 5.6 KW
Torque 135 FT-lbs Accuracy, axis
positioning /- 0.0002" Accuracy, axis
repeatability /- 0.0001" Glass scales
N/A Spindle speed 75-6,500 RPM
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Tooling