Nasopharyngeal (NP) swabs for respiratory virus detection are highly specialised instruments, whose features greatly differ from conventional swabs, such as the ones typically used for wound care. Made of high-tech medical materials, they have to be long, thin and partially flexible to get to the upper part of the throat, behind the nose. Also, like all medical devices, NP swabs and their production processes need costly cleanroom environments, in addition to meeting stringent regulatory requirements.
Characterised by demanding designs and manufacturing practices, these testing tools are fabricated by limited number of companies worldwide. These specialist manufacturers are geared to supply the generally stable market needs; however, when researchers found these longer swabs were ideal to collect samples of SARS-CoV-2, the global demand quickly skyrocketed. Therefore, these few manufacturers had to quickly ramp up production to support medical professionals.
Delivering millions of specialised swabs per week
To address this supply challenge and release millions of NP swabs a week to the U.S. market, one of the world’s largest manufacturers of medical swabs committed to retrofitting and equipping a factory in Maine, U.S., within weeks. The facility required 40 new machines, all of which needed to use wrap spring clutch/brakes to provide indexing functionality as the swabs move through the units.
As the braking systems had to be extremely reliable and be delivered within two weeks, the NP swab OEM selected Warner Electric, a leading brand of Altra Industrial Motion Corp., as its supplier. The two companies have a long-standing relationship and the medical device maker had been particularly impressed by Warner Electric’s product quality and delivery performance.
The Super Clutch/Brake (SCB) series of self-contained, packaged wrap spring clutch/brake assemblies was identified as the ideal equipment for the 40 processing machines. The solution offers a complete, factory-assembled package that is ready for installation and requires minimum maintenance. Therefore, it could help the medical device manufacturer to streamline its expansion activities as well as minimise any future downtime associated with servicing and repair activities.
The specific SCB model selected, Super CB-6, features a response time of 45 milliseconds, supporting high cycle rates for fast-paced applications. In addition, it is able to withstand a maximum operating speed of 500 RPM and a static torque of 56.5 N-m (500 in.lb.).
Exceeding expectations during challenging times
Despite the tight delivery deadline*, Warner Electric’s plant in New Hartford, CT, U.S., was able to deliver the equipment well-before the agreed two-week deadline. In effect, the facility was able to prioritize and expedite the order, completing the machining and product assembly activities in a record time of only two days.
As a result, the swab maker could immediately install the parts on its machines to begin production. The new facility, now operational, is enabling the manufacturer to more than double its existing capacity and meet demand for COVID-19 testing components in a remarkably short timeframe.
Scott Galway, Product Manager at Warner Electric, comments: “We are delighted to see our products play a key part in critical medical manufacturing plants as well as to have been involved in such a unique and challenging project. Our team’s advanced skills combined with Warner Electric’s leading facilities have played an essential role in enabling us to deliver several high-quality key components in a matter of days. We are looking forward to supporting businesses that need to quickly ramp up production with our solutions and services.”
* Managing the project with COVID-19 precautions in place
The project took place during the pandemic, therefore ensuring the safety of everyone involved in the project was a top priority. To address these issues, Warner Electric put measures in place to ensure that all operations were guided by current World Health Organization (WHO) health advice and the U.S. Center for Disease Control and Prevention (CDC) guidelines, while still meeting a revised schedule. Accomplishing the tight project deadlines was therefore an added achievement in light of the increased challenges caused by the current global health crisis.
Image 1: Super CB-6, features a response time of 45 milliseconds, supporting high cycle rates for fast-paced applications.
Image 2: Warner Electric was able to accommodate the urgent need for reliable clutch/brakes that would allow a medical swab manufacturer to rapidly expand its production capabilities. ©MyriamB – stock.adobe.com
Reliable Warner Electric components are used in a very wide range of markets including material handling, packaging machinery, food & beverage, elevator & escalator, turf & garden, agriculture and off-highway, forklift, crane and motion control. Applications include conveyors, lift trucks, wrapping machines, servo motors, capping equipment, combines and balers, baggage handling systems, military vehicles, hoist drives and lawn mowers.
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