Two approaches, one goal
Digital Thread vs Digital Twin
The terms ‘digital thread’ and ‘digital twin’ are often mentioned together in the context of digital product development – and just as often treated as synonymous. Both concepts aim to reduce complexity and enable better decision-making. However, their roles in the product lifecycle differ fundamentally.
What is a digital twin?
A digital twin is the digital representation of a product, machine or system at a specific point in time. It maps geometry, properties, states or operational data and is used to analyse behaviour, carry out simulations or evaluate optimisations.
Digital twins provide answers to questions such as:
- How does a product perform under real-world conditions?
- What impact do changes have on performance or quality?
- Where is there scope for improvement?
The key difference
The Digital Twin provides insights into the current state of a system. The Digital Thread establishes the overarching context in which these insights are generated, shared and utilised.
Without a Digital Thread, Digital Twins often remain isolated. Results from simulation, operation or analysis can only be integrated into downstream processes to a limited extent. The Digital Thread ensures that this information remains consistently available throughout the entire product lifecycle.
The interplay between the Digital Thread and the Digital Twin
In practice, the two concepts complement one another. The Digital Twin forms part of the Digital Thread and provides valuable data points throughout the process chain. The Digital Thread ensures that this data remains usable across systems and is automatically incorporated into development, manufacturing, quality and service.
Companies that specifically combine the Digital Thread and the Digital Twin benefit from greater transparency, shorter development cycles and well-informed decisions based on consistent data.
Making transformation measurable
Without a digital thread
- –Isolated systems: Information is scattered and not linked.
- –Manual effort: Significant time wasted due to having to enter data multiple times.
- –Sequential work: departments have to wait for one another.
- –High error rate: costly changes at a late stage.
With Digital Thread
- –End-to-end integration: Consistent data throughout all phases.
- –Automation: Changes have an immediate impact on the entire process.
- –Parallel engineering: Accelerated industrialisation.
- –First-Time-Right: Simulations ensure quality at an early stage.
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