Dry powder inhaler (DPI) manufacturing demands precision, regulatory compliance and the ability to handle growing product variety without sacrificing throughput. Manufacturing is getting more complex: more variants, smaller batches, tighter cleanroom standards. CB Automation solves this with recipe-driven DPI assembly machines. They offer hard automation precision and let you switch variants with one screen touch.
Challenge: managing multi-variant DPI production in a cleanroom environment
A European medical device manufacturer required a fully automated solution to assemble a dry powder inhaler across a high-mix product portfolio. The client operated within a fixed ISO Class 7 cleanroom footprint. The challenge: frequent small batches, multiple DPI variants and zero appetite for lengthy mechanical changeovers between runs.
Key project requirements included:
- Three DPI variants managed across seven production recipes
- Full compliance with ISO Class 7 cleanroom operating standards
- Minimal changeover time between DPI production runs
- Compact machine footprint suited to constrained cleanroom layouts
Why conventional DPI assembly lines fall short
Standard inhaler assembly equipment typically relies on dedicated mechanical tooling for each product variant. In multi-variant, small-batch environments, this translates into frequent physical reconfigurations: slow, contamination-prone and incompatible with lean cleanroom operations. For manufacturers running frequent variant changes, this approach undermines both operational efficiency and GMP compliance.
Solution: modular recipe-controlled DPI assembly platform
CB Automation engineered a three-module DPI assembly machine integrated into a single compact platform. CB Automation did not use a standard template. Instead, they built the solution from scratch around the client’s real needs. These needs included cleanroom space, variant mix and batch profile.
1. Inhaler body assembly module
The core DPI assembly module handles all product variants from a single adaptive workpiece holder: no fixture swap required. Servo-controlled gripping adjusts in real time for each component shape. Vision-guided positioning checks accurate placement at every step. This eliminates variant-specific mechanical tooling while preserving the repeatability and GMP-compatible process control that pharmaceutical production demands.
The result: repeatable handling and accurate positioning across all variants, with no variant-specific tooling required.
2. HMI-driven recipe management module
Variant switching in DPI assembly is entirely software driven. The operator selects a recipe on the HMI. The machine does the rest: automatically adjusting feeding, gripping, positioning and vision verification parameters with no physical intervention. The result: same-day multi-variant scheduling with full process traceability and audit-ready documentation for every run.
Resulting operational capability:
- No workpiece holder replacement between DPI variants
- No mechanical modifications required for format changes
- Consistent process repeatability across all variants and batch sizes
3. Cap management module
Cap management runs on the same recipe logic. The operator selects the variant. A robot retrieves caps from a continuous feed system. It configures handling parameters automatically for all color and geometry combinations.
Production keeps running without interruption.
Key benefits of CB Automation’s DPI assembly solution
- Cleanroom efficiency: compact, integrated machine footprint engineered for ISO Class 7 constraints, minimising floor space consumption throughout DPI assembly operations
- Zero-retooling changeover: software-driven recipe switching eliminates mechanical format changes, reducing changeover time and contamination risk between dry powder inhaler production runs
- High-mix production capability: One platform manages three DPI variants across seven recipes. It supports frequent small-batch scheduling without reducing throughput or process stability
- GMP process integrity: servo-controlled handling, vision verification, and recipe-locked parameters maintain consistent, audit-ready DPI assembly performance across every production run
- Future-ready architecture: software-defined recipes make it straightforward to introduce new DPI variants or market-specific configurations without hardware redesign or capital reinvestment
Optimising dry powder inhaler manufacturing: CB Automation’s integrated approach
DPI manufacturers no longer have to choose between speed and flexibility. CB Automation's recipe-controlled platform delivers pharmaceutical-grade precision, high-mix agility and small-batch capability all within ISO cleanroom environments. Software-defined recipes replace mechanical change parts, so the platform absorbs new variants without retooling, protecting capital investment and operational continuity.
Automate your DPI assembly with CB Automation
CB Automation brings over 70 years of drug delivery automation expertise to every project. Scaling an existing DPI line or starting from scratch. We'll help you define the right architecture for your production environment.
