Case Study: Cost Reduction Through Value Engineering
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In the competitive landscape of global manufacturing, simply offering CNC machining services is no longer sufficient. Leading companies are now competing on value, not just price. This case study explores how our Value Engineering (VE) methodology provided a strategic cost reduction of over 18% for a client in the aerospace sector, transforming their supply chain and solidifying our partnership.
The Challenge: A HighCost, HighVolume Component
A client approached us with an existing component for a drone assembly. The part was a complex aluminum housing, ordered in batches of 10,000 units. While their previous supplier delivered functional parts, the cost was eroding their profit margins. The design, which had been in production for years, featured deep pockets requiring long tool reach, numerous tighttolerance threaded holes, and nonstandard fillet radii. The initial quote based on their legacy 3D model confirmed their concerns: the part was expensive to produce.
Our Value EngineeringLed Analysis
Instead of accepting the design at face value, our engineering team initiated a collaborative VE process. We dissected the part's function, material, and manufacturing process, focusing on three core areas:
CNC machining
1. Design for Manufacturability (DFM): We identified the deep pockets as a major cost driver. By proposing a twopart assembly with a shallower main housing and a simple cover, we eliminated the need for specialized longreach tools, reduced machining time, and improved chip evacuation. We also standardized all fillet radii to match our existing tooling library.
2. Material and Process Optimization: The specified 7075 aluminum was overengineered for its actual load requirements. We provided material test data and recommended switching to 6061 aluminum, which offered ample strength at a significantly lower material cost and better machinability, further reducing cycle time.
3. Geometric Dimensioning and Tolerancing (GD&T) Review: We collaborated with the client's engineers to review every critical tolerance. By loosening noncritical tolerances on several nonfunctional features, we enabled the use of faster machining strategies and increased tool life.
The Result: A Leaner, More Efficient Part
The revised design, developed in close consultation with the client, maintained 100% of the part's functionality and structural integrity. The impact was substantial:
Overall Unit Cost Reduction: 18%
Cycle Time Reduction: 22% due to less aggressive machining and standardized features.
Improved Quality: The new twopart design was less prone to tool vibration, resulting in a better surface finish.
This VE initiative did more than just lower the price per part. It demonstrated our commitment to being a strategic manufacturing partner. The client achieved significant annual savings, and we secured a longterm, highvolume contract, driving mutual growth. For businesses looking to scale, partnering with a supplier that offers proactive value engineering is not just an option—it's a strategic imperative for sustainable cost reduction and market competitiveness.