In-Depth Notes on Process Strategy and Technology in Production
Learning Objectives
- Describe four process strategies.
- Compute crossover points for different processes.
- Utilize tools of process analysis.
- Describe customer interaction in service processes.
- Identify recent advances in production technology.
Global Company Profile: Harley-Davidson
- A leader in the motorcycle industry emphasizing:
- Quality and lean manufacturing principles.
- Materials as Needed (MAN) system.
- Various product configurations.
- Tightly scheduled production lines.
Four Process Strategies
- A process strategy defines how a product is produced or how a service is provided.
- Strategies have long-term effects on:
- Efficiency
- Production flexibility
- Costs
- Quality
Types of Process Strategies
Process Focus
- Organized around specific activities or processes.
- High degree of product flexibility using general-purpose equipment.
- High costs, low equipment utilization; variable product flows.
Repetitive Focus
- Assembly line organization, facilities characterized by modularity.
- More efficient than process-focused, with limited flexibility.
- Example: Harley-Davidson uses modules for multiple motorcycle configurations.
Product Focus
- Facilities organized by product lines, high volume but low variety.
- Long, continuous production runs improve efficiency with less skilled labor.
- Example: Frito-Lay's snack production.
Mass Customization
- Combines flexibility of process focus with efficiency of product focus.
- Example: Dell Computer's customizable PCs.
- Requires efficient product design, tightly controlled inventory, and responsive supply chains.
Process Comparison
- Characteristics vary by process type:
- Process Focus: Low volume, high variety; skilled operators, high raw material inventories.
- Repetitive Focus: Modular outputs; training reduced through repetitive operations.
- Product Focus: High volume, low variety; costs managed through fixed and variable expense balancing.
- Mass Customization: High variety, low fixed costs; requires extensive training for customization.
- Flow Charts: Visual depiction of material movement.
- Time-Function Mapping: Displays processes over time, showing delays.
- Value-Stream Mapping: Analyzes flows and value addition across the supply chain.
- Process Charts: Symbolic representation of key activities in a process.
- Service Blueprinting: Focuses on customer and provider interactions.
Special Considerations for Service Processes
- Importance of customer interaction in the design of service processes:
- Needs to improve efficiency without adversely affecting performance.
- Finding a balance between cost efficiency and customer interaction.
Technology in Services
- Technologies impact across various sectors:
- Financial Services: ATM, online banking, etc.
- Education: Online assignments, interactive tools.
- Restaurants: Wireless ordering, transponders for tracking sales.
- Health Care: Robotic surgeries, online monitoring.
Recent Advances in Production Technology
- Machine Technology: Increased precision and productivity, reduced environmental impact.
- Automatic Identification Systems (AIS): Use of bar codes and RFID for improved data entry.
- Process Control: Real-time monitoring using sensors and computers.
- Vision Systems: Aid in inspection and quality assurance.
- Robotics: Enhanced efficiency and safety by performing dangerous or monotonous tasks.
- Automated Systems: Systems for storage, retrieval, and material handling.
- Example: Automated Guided Vehicles (AGVs) enhance mobility in production areas.
- Computer-Integrated Manufacturing (CIM): Integrates all aspects of production including engineering and supply chain.