QRTN Customer Needs Dictionary

This is an example of a customer needs dictionary summarizing and defining customer needs after a voice of the customer (VOC) investigation. This is the definition of customer needs described in the associated case study regarding quality function deployment and target costing.

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Override Capability / Joint Margin Joint can be forced open / unlocked in event normal operation is not possible; rest of assembly is salvageable; new nozzle may be required; assembly usage may be restricted in this event; the design would be tolerant of the inactive joint so that product can still be handled.
Visual Verify Locked Joints Ability to visually verify that each joint is locked when nozzle is in place.
Allow Assembly Repair Design permits free access of tooling to assembly; minimal potential for tool hang-up during repair.
Simple Tooling Tool mobilization efforts are minimized (e.g., easy functional checkout, replacement of spares, and preparation for shipment); tooling can be quickly setup and needs minimal crew size; tools have minimal moving parts and are not subject to damage, needs minimal administrative control procedures, is error-proof and is quick to tear down and clean. Optional: Tools are low cost so that they can be dedicated for each site.
Fast Repair Quick removal of nozzle once assembly positioned and ready for work and quick installation once assembly repairs are complete; includes all required inspections; force to remove nozzle slightly greater than nozzle weight; time to align components prior to nozzle installation should be minimal.
Compatible with System Components Minimal impact to T&H requirements; no mechanical interface restrictions with existing components.
Compatible with Site Tooling No impact with other repair tooling, assembly handling gripper, upender, and transfer canal equipment.
Compatible Interface to Other Assemblies Compatible with existing system assemblies; no transition strategies/penalties required to implement.
Meet Regulatory Limits Show that all technical limits are met (standard engineering design manual criteria); material selection meets regulatory goals.
Joint Reliability During Operation Assure that design integrity (maintain a locked joint, acceptable material performance, no loose parts) does not erode throughout life of the assembly.
Joint Reliability During Repair Nozzle removal / installation is reliable and provides for consistent operation / repair on critical path; joint / tooling design is not prone to operator error or mechanical failure over the life of the product. QRTN removal / installation involves no loose parts and operation of the joint must not damage other aspects of the product; design of thimble interface with nozzle must be durable and resistant to damage during repair.
Minimum Price Increase Limit (if not eliminate) additional cost to customer.