Q&A: StarWitness Offers Favorable Testimony of Rapid Manufacturing

Police and other security professionals frequently interview suspects and witnesses, sessions that require officially dated recordings. StarWitness, a supplier of specialty forensic audio-video products used by law enforcement and others, recently called on Proto Labs for prototyping and low-volume production help for a new product, the Field Interviewer.

Photo Courtesy StarWitness

StarWitness is a division of Signalscape, Inc., which is based in the Research Triangle area of North Carolina. Signalscape and its brands supply engineering services and products used by U.S.-based law enforcement, security, intelligence and defense services to combat crime, fight terrorism and provide for homeland security. Mike D’Aurelio, mechanical designer at Signalscape, recently answered a few questions about his company’s work with Proto Labs.

What is the StarWitness Field Interviewer?
The Field Interviewer is a one-touch interview recorder that fits in your pocket. It provides a watermarked video identifier for authentication of recorded interviews, and can be controlled and monitored via secure Wi-Fi from an Android smart phone or tablet. Continue reading

INDUSTRY SPOTLIGHT: Evolving Health Care Demands and the Impact on Product Development

While there are a handful of major players in the medical and health care industries, there are actually more than 6,500 active medical device companies in the United States — most of which are smaller firms with fewer than 50 employees. There is little doubt that, with the combined industry efforts, research and development in the medical device space will continue to innovate and grow for years to come.

What drives innovation at these companies ranges from economic indicators to technology advancements to government regulations. But some of the most interesting factors driving development right now can be found in demographics and consumer behavior.

So, what does is mean? The fluctuation in demographics will translate to an increased demand for devices supporting later life care as the baby boomers enters their 70s. This includes everything from surgical devices to support orthoscopic procedures to at-home glucose measurement equipment. Furthermore, we’ll start to see an upward trend in births as Gen Yers move into their 30s and start families. These factors will start to shape how thousands of medical and health care companies re-imagine existing products and development new ones.

As a result, there is a heightened need to launch products and devices to market quickly. Iterative development of medical components and devices will reply on various rapid manufacturing processes and materials to ensure products have best chance at successful medical submissions and market trials. And because these products need to pass a significant number of functional tests before being approved for the market, prototypes need to be produced as close as possible to the finished product. This will mean using similar, if not identical, engineering-grade materials and manufacturing methods for prototypes as for production parts.

From metal 3D printing of extremely small surgical components to low-volume injection molding of optical silicone, Proto Labs is equipped to help large and small medical companies tackle the impending changes in the American demographic landscape.

WATCH: ProtoQuote with Design Analysis

Our automated, interactive ProtoQuotes with real-time pricing information and free design for manufacturability (DFM) analysis are one of the most valuable tools you can get at Proto Labs. You can upload a 3D CAD model online at any time to receive a quote within hours.

The DFM analysis helps eliminate potential problems like sink, challenging undercuts or walls that are too thin or thick. Once a part design is ready and a quote approved, production begins almost immediately.

See how easy it is to navigate ProtoQuote with our quick video.


Upload a part today for a ProtoQuote with design analysis.

TIPS WITH TONY: High-Temperature Thermoplastics

We offer two high-temperature thermoplastics: PEEK and PEI. Both high-performance materials can be machined and injection molded, and produce parts that can withstand extreme temperatures.

PEEK parts contain excellent mechanical and chemical resistance during high-temperature applications. Its mechanical properties consist of tensile modulus strengths of 90-200 MPa and a melting temperature of 662˚F (343˚C). Some grades of PEEK have operating temperatures around 482˚F (250˚C).

Because of its robustness, PEEK is commonly used in applications for mechanical and medical instruments. PEEK is also used widely in the aerospace, automotive and chemical industries due to the insulating properties and creep resistance of any dimensional changes in high-temperature applications.

Like PEEK, PEI (often called by its trade name Ultem) offers outstanding elevated thermal resistance, high strength, stiffness and chemical resistance. PEI consists of tensile modulus strengths of 96-190 MPa and with a melting temperature above 420˚F.

PEI is available in transparent and opaque colors including glass additives for improved mechanical properties. Unlike other thermoplastics, PEI provides optimal strength and resists stress cracking when the material is exposed to hydrocarbons, alcohols and acids that makes them ideal for automotive and aerospace applications.

Which Manufacturing Process is Best?
If you’re in need of small quantities (up to 200) of PEEK and PEI parts, we can machined them in less than 3 days. For increased quantities in the thousands, rapid injection molding can produce parts in 15 days or less.

The physical properties vary little between processes, so please test out one sample using machining before moving to injection molding if you are unsure if your parts design is complete or not.

Contact us if you have any further questions about high-temp plastics and specific questions regarding PEEK or PEI. We have a full staff of customer service engineers who can be reached at customerservice@protolabs.com or 877-479-3680.

THE SHORT LIST: 5 Observations on West Coast Trade Expos

Disneyland is not the only venue making magic this week in Anaheim. The city’s mammoth convention center is hosting six “co-located” expos — ATX West, Electronics West, MD&M West, Pacific Design & Manufacturing, PLASTEC West and WestPack, which is attracting a global collection of product designers, engineers, software developers, inventors and entrepreneurs.

A banner outside the Anaheim Convention Center.

Here’s what is being discussed in nearby convention-center hotel lobbies after day one of the show on Tuesday. The event continues through Thursday. Continue reading