In the same way that Six Sigma is an objective measure of production capability, Six Theta^® is an objective measure of design capability.

While the Six Sigma methodology strives to reduce variance by optimising production technologies and processes, Six Theta^® reduces the sensitivity to variance of a given engineering design, thus easing production demands.

The two methods are as such supplementary. With Six Theta^®, we measure your level of compliance in design on the basis of objective criteria just as Six Sigma measures your level of compliance in production.

What we often find is that companies are at a lower level of compliance than they assumed and that they will benefit from identifying design weaknesses in both existing and new designs to optimise performance of products, production and development projects.

Robust Design is about creating products with predictable performance in streamlined product development processes.

Robust Design presents a strategic opportunity to ensure a high level of controllability in product development, raising quality levels and optimising material usage and production costs.

Robust Design is based on fully objective and quantifiable criteria. It was originally developed by Dr. Genichi Taguchi, a Japanese quality guru, who defined Robust Design as “reducing variation in a product without eliminating the causes of the variation”. In other words, making the product insensitive to variation.

As such, we are great believers in Robust Design - but we have understood that traditional methods need to be complemented with Six Theta^® to fix the inherent geometrical design weaknesses that cause many of the quality issues that evidently still exist despite modern and advanced production technologies.

Predictable performance of products has significant benefits, both when it comes to customer satisfaction and to production and assembly costs.

Based on the discipline of robust design, the Six Theta^® methodology and tool box has been developed to provide a logical starting point of achieving predictability.

Six Theta^® comprises concrete design tools and design techniques as well as calculation methods and management tools that help improve mechanical design with focus on both the overall conceptual design architecture and the smallest component details. It enables the engineer, the project manager and the top manager to achieve maximum predictabtility in the design from development to production.

Focus is in particular on the early-stage design. Before going into detailed design, Six Theta^® ensures that whichever solution concept is generated, it will be mechanically predictable in performance in tests and when on the market - thus minimising costly iterations and general quality costs. The objective is to design products and components that perform inherently predictably with significant advantages when it comes to tolerance requirements and material utilisation.

contact@sixtheta.com

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