Search Results wip_requirement_operations

The WIP_REQUIREMENT_OPERATIONS table in Oracle E-Business Suite (EBS) 12.1.1 or 12.2.2 is a critical repository for tracking material requirements and their association with work order operations in the Work in Process (WIP) module. This table serves as a junction between work order operations and the components required to complete those operations, ensuring accurate material consumption and inventory management. Below is a detailed analysis of its structure, functionality, and integration within Oracle EBS.

Table Overview

The WIP_REQUIREMENT_OPERATIONS table links work order operations (from WIP_OPERATIONS) with component requirements (from WIP_REQUIREMENTS). It ensures that materials are allocated to specific operations, facilitating precise material issuance and backflushing. This table is particularly vital in discrete manufacturing environments where operations are sequenced, and materials must be consumed at specific stages.

Key Columns and Their Significance

• WIP_ENTITY_ID: References the work order (from WIP_ENTITIES), tying requirements to a specific manufacturing order.
• OPERATION_SEQ_NUM: Identifies the operation sequence (from WIP_OPERATIONS) where the component is required.
• INVENTORY_ITEM_ID: Links to MTL_SYSTEM_ITEMS_B, specifying the component item.
• ORGANIZATION_ID: Denotes the inventory organization, ensuring data segregation in multi-org setups.
• REQUIREMENT_DATE: Indicates when the component is needed for the operation, aiding in material scheduling.
• QUANTITY_PER_ASSEMBLY: Defines the component quantity required per unit of the assembly.
• QUANTITY_ISSUED: Tracks the actual quantity issued against the requirement, critical for variance analysis.
• SUPPLY_TYPE: Specifies the material supply method (e.g., push, pull, or backflush).

Functional Role in Manufacturing

The table supports:

1. Material Allocation: Ensures components are reserved for specific operations, preventing over-issuance.
2. Backflushing: Automates material consumption upon operation completion when SUPPLY_TYPE is set to backflush.
3. Operation-Specific Consumption: Allows materials to be issued at precise operation steps, aligning with lean manufacturing principles.
4. Variance Tracking: Compares QUANTITY_ISSUED with planned quantities to identify inefficiencies.

Integration with Other Modules

The table interacts with:

• Inventory (INV): Validates item availability and updates stock upon issuance.
• Bills of Material (BOM): Sources component data from BOM_COMPONENTS.
• Cost Management (CST): Provides material consumption data for cost roll-ups.

Technical Considerations

• Indexes: Key indexes on WIP_ENTITY_ID, OPERATION_SEQ_NUM, and INVENTORY_ITEM_ID optimize query performance.
• Concurrency: Row-level locking prevents conflicts during material transactions.
• Data Integrity: Foreign key constraints enforce relationships with WIP_OPERATIONS and WIP_REQUIREMENTS.

Customization and Extensions

While Oracle EBS provides standard functionality, the table can be extended via:

• Descriptive Flexfields (DFFs): To capture additional attributes like supplier batch numbers.
• API Hooks: For custom material issuance logic.

Conclusion

The WIP_REQUIREMENT_OPERATIONS table is a linchpin in Oracle EBS manufacturing, bridging work orders, operations, and material logistics. Its design ensures granular control over material flows, directly impacting production efficiency, cost accuracy, and inventory precision. Understanding its schema and interdependencies is essential for effective WIP module configuration and troubleshooting.