Manufacturing & Assembly

Both methodologies are excellent for bonding medical-grade polymers, and the optimal choice depends heavily on your material selection and geometric requirements:

• Radio Frequency (RF) Welding: This process utilizes high-frequency electromagnetic energy to excite the molecular structure of polar polymers (such as PVC and Polyurethane) from the inside out. It is highly effective for forming strong, fluid-tight hermetic seals over large or complex surface areas, making it the industry standard for products like drainage bags and blood collection sets.
• Ultrasonic Welding: This technique applies high-frequency localized acoustic vibrations under pressure to create a solid-state weld at a highly targeted joint interface. It is ideal for rigid, non-polar, or semi-crystalline polymers and microfluidic components, providing rapid, highly clean cycles for diagnostic cartridges and high-precision cassettes.

All Harmac manufacturing operations in the U.S., Ireland, and Mexico utilize certified ISO 14644-1 Class 8 cleanrooms (equivalent to Class 100,000 controlled environments) and white room environments. For applications requiring enhanced environmental controls, our facility infrastructure is fully equipped to scale up and support localized certified ISO Class 7 environments, including our expanded facility presence in Tijuana.

We combine advanced tool geometry design with real-time, decoupled cavity pressure monitoring systems on our molding floors. By continuously tracking melt temperatures, injection speeds, and hold pressures, our systems automatically adjust for microscopic variations, ensuring that every molded component matches your critical dimensions across multi-million-unit production runs. 

Our cleanrooms support a wide range of sophisticated assembly techniques tailored to the specific application. This includes precision multi-lumen solvent bonding, UV-cured adhesive bonding, induction forming, precision laser cutting, and complex multi-component mechanical tip-forming. These methods ensure leak-free integrity and excellent flow reliability for high-risk fluid transfer and airway management lines.

Combining traditional fluid management plastics with electronics requires a cleanroom environment that handles both Electrostatic Discharge (ESD) sensitivity and bioburden controls. Isolating electronic sub-assemblies during the radio frequency (RF) or ultrasonic welding phases prevents high-frequency electrical damage to internal sensors, ensuring the connected device communicates accurately without compromising sterile barrier requirements.

Our engineering teams utilize early collaboration frameworks driven by Design for Excellence (DFx) principles to evaluate your device architecture before finalizing hard tooling. By assessing component geometries, parting lines, and material configurations during the initial layout phase, we optimize parts for seamless cleanroom assembly, uniform cooling cycles, and repeatable part ejection. This proactive engineering support ensures your device transitions into stable, scalable production smoothly, protecting your long-term unit manufacturing costs and maximizing automated throughput.

We employ a highly structured, step-by-step product transfer methodology designed to protect your continuity of supply throughout the relocation process. Our technical teams map your existing validation histories, equipment parameters, and manufacturing datasets directly into our global quality system. 

By conducting targeted bridging studies, optimizing localized facility layouts, and standardizing tool configurations across our global footprint in the U.S., Ireland, and Mexico, we eliminate process tracking gaps and maintain absolute data traceability. This rigorous framework allows you to exit an underperforming manufacturing relationship while completely safeguarding your market availability.

Risk reduction is embedded directly into our Validation Master Plans through structured Failure Mode Effect and Criticality Analysis (FMECA) screening. Instead of treating all manufacturing variables identically, our engineers utilize this risk-based framework to identify, rank, and mitigate potential failure modes by severity and probability early in the project lifecycle. We then concentrate our challenge conditions, Operational Qualifications (OQ), and real-time process monitoring protocols on the most critical manufacturing windows. 

Backed by a fully digital Quality Management System compliant with FDA 21 CFR Part 11 and ISO 13485 standards, this predictive approach provides absolute statistical confidence that process variations are controlled before your single-use devices reach final packaging.