OM Chat GPT Flashcards
Quality
Product-based, user-based, manufacturing-based, and value-based perspectives.
Product-Based
A precise and measurable attribute of a product, such as durability or reliability.
User-Based
The degree to which a product meets or exceeds customer expectations.
Manufacturing-Based
making it right the first time
Dimensions of Quality
Performance
Reliability
Durability
Features
Perceived Quality
Fishbone Diagram
A cause-and-effect Diagram is used to identify the root cause by going through categories of causes
The Four Catergopries of the Fishbone Diagram
Man
Machine
Methods
Materials
What is the fishbone diagram also known as?
Ishikawa Diagram
Root Cause Analysis
A systematic way to find underlying causes of problems that focuses on the solving root problem and not the symptoms
What is the Root Cause Analysis used for
Uses 5 whys to find root cause (Starts at symptoms and asks why 5 times to find root)
Statistical Process Control
Control charts for variables and attributes
Six Sigma
data drive method to reduce defects and improve the process to achieve near-perfect performance
What is the accuracy of the Six Sigma
99.9997%
DMAIC
Define
Measure
Analyze
Improve
Control
What system does the Six Sigma use?
BJJ Belts
The standard for Quality?
ISO 9000
What is the famous Quality Award?
Malcolm Baldrige National Quality Award
Factors Influencing Location Decisions
Labor productivity
Proximity to customers and suppliers
Costs
Labor productivity
The efficiency of the workforce in the area
Proximity to Customer
Distance to the customer base affects shipping time and cost
Proximity to Supplier
Distance to Supplier affects supply chain responsibility and costs
Clustering
Similar businesses gather in one area due to the advantage of partnering with each other to share knowledge and talent
Example of Clusters
Silicon Valley
Factor-Rating Method
Assign weights and scores to various location factors to pick the best site based on the weighted score
Center-of-Gravity
Finds optimal location by minimizing Proximity to customers and suppliers
Locational Cost-Volume Analysis
Uses fixed and variable costs across multiple locations to have the lowest total cost
Transportation Model
Uses linear programming to minimize transportation, inventory and production costs for the supply and demand of each location
Types of Inventory
Raw Material
WIP
Finsihed Goods
MRO Inventory
Raw Materials
Basic inputs in the production process
What does WIP stand for?
Work in Progress
WIP
Partially completed products
still working on
Finished Goods
Competed goods ready to sell
What does MRO sand for?
Maintance
Repair
Operating
MRO supplies
Items to support production and operation
Examples of MRO Supplies
Tools
Equipment
Cleaning Supplies
Inventory Costs
Holding Costs
Ordering Costs
Shortage Costs
Holding Cost
Costs of Storing and Maintaining inventory
Ordering Costs
Costs of Placing and Processing orders
Shortage Costs
Costs incurred when you run out of product
ABC analysis for Prioritizing Inventory
Categories inventory based on importance
A Items
High-Value Items with Low Inventory Volume
B Items
Moderate Value Items with Medium Inventory Volume
C Items
Low-Value Items with High Inventory Volume
Benefits of ABC analysis for prioritizing inventory.
Improves Inventory Control Efficiency
Reduced Holding Costs
Prioritize Resource Allocation
Purpose of ABC analysis for prioritizing inventory.
Focused on managing critical A Items while simplifying less important (C) items
What does EOQ stand for
Economic Order Quantity
Economic Order Quantity
minimizes total inventory costs by balancing holding costs and ordering costs
Assumptions about Economic Order Quantity
Demand is known and constant
Lead tie is fixed and constant
Inventory is replenished instantly
Only holding and ordering costs are considered
What does POQ stand for?
Periodic Order Quantity
Periodic Order Quantity
Ordering enough inventory at regular time intervals to meet the demand of the upcoming period
What does QDM stand for
Quantity Discount Model
Quantity Discount Model
Suppliers offer lower prices for bulk orders
Replenishment Strategies
Reorder Point
Safety stock for demanding variability
Instantaneous Replenishment
Non-Instantaneous Replenishment
What does ROP stand for
Reorder Point
ROP
The inventory level at which a new order is triggered to prevent stockout during lead time
Lead Time
The time it takes from starting the process to finishing
Safety stock for demand variability
Extra inventory is kept to mitigate the risk of demand variability and supply chain delays
Instantaneous Replenishment
Inventory is replenished all at once and immediately upon fulfillment
Non-Instantaneous Replenishment
Inventory is replenished gradually over time
When is Instantaneous Replenishment ideal?
Bulk Orders
When is Non-Instantaneous Replenishment ideal?
In-house Production Scenarios
Aggregate Planning Strategies
Level Strategy
Chase Strategy
Hybrid Strategies
Level Strategy
Keep production constant and use inventory and backorders to meet changing demand
Chase Strategy
Adjust employee capacity to match demand
Hybrid Strategy
Combination of Chase and Level strategy
Cost Consideration
Inventory
Hiring
Firing
Production
Inventory Holding Cost
Cost of storing unsold goods
Hiring Cost
Expenses incurred when recruiting and training employees
Firing (Layoff) Costs:
Severance pay or legal liabilities for firing people
Production Costs
Cost per Unit Manufactured
What does MRP stand for?
Material Requirement Planning
MPR Inputs
Master Production Schedule
Bill of Materials
Inventory Records
What does MPS stand for?
Master Production Schedule
MPS
Outlines the production timeline for finished goods
What does BOM stand for?
Bill of Materials
BOM
Lists components and materials needed for production
Inventory Records
Tracks available stock and scheduled receipts
MPR Outputs
Planned Order Releases and Schedules
Dependent Demand
Demand for components driven by higher-level products
Independent Demand
Demand for finished goods (customer-driven)
Parent
A finished product or higher-level assembly
Children
Components used to create parent items
The Parent-Children Relationship
Parent item specifies the quality per unit of each item needed
Multi-Level BOM
The child becomes a parent to another item
Lot-for-Lot
Order exactly what is needed for production
What does L4L stand for?
Lot-for-Lot
What does EOQ stand for?
Economic Order Quantity
EOQ
Balances order and holding costs for efficiency
Time-Phased Planning
Aligns material needs with production schedules based on lead times