SPC Software

Zontec, Inc., Cincinnati, OH, has released new statistical process control (SPC) software designed to improve manufacturing quality. The Synergy 1000™ and Synergy 1000+ version 10.0 enable users to instantly see quality data in straightforward color-coded charts with actionable metrics. It identifies sources of process variation allowing users to decide whether an undesirable shift in the numbers needs attention to avoid producing defective parts that result in scrap and rework. Features include new enhanced toolbar graphics and a new menu as well as a first-pass quality report for visibility into the rate of nonconforming production during a designated run, date and time, batch number, and/or another traceable item.

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Brushless DC Motor Drives

Minarik Drives, South Beloit, IL, has introduced a new family of configurable controls for brushless DC motors. MDBL drives control motors ranging from 90 to 280 VDC, up to 5 A/1.5 HP, using either 115 or 230 VAC line sources. Onboard trim pots allow operators to quickly set minimum/maximum speeds, acceleration/deceleration rates, and motoring and regening current limits, as well as the proportional and integral feedback gains. An onboard microprocessor allows for custom programming. The drive integrates PLC-like functionality into operations. Controls are positioning-application capable, with feedback sampling rates of 16 Khz.

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Media Isolation Valves

Media isolation valves from Clippard, Cincinnati, OH, are solenoid-operated devices that use a flexible diaphragm to isolate the actuation mechanism from the fluid path. All wetted areas of the valve are PTFE, making this series ideal for use with corrosive media. The valves feature a one-piece valve stem that functions as a sealing membrane while also supporting and centralizing the poppet in the seating area. This multi-functional poppet/diaphragm/stem results in a simplified design with fewer parts, longer life, and zero dead volume.

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IoT Consulting

Robiotic, a joint venture of Hoffmann + Krippner GmbH, Buchen, Germany, and TK World AG, Alpharetta, GA, offers IoT consulting for small and medium-sized companies, including sensor selection, business model, and all the elements necessary for a successful IoT project. Working from an entrepreneur's perspective, the company's focus is Industry 4.0 and IoT business models. The company's experts consult on all aspects of IoT from initial technology decisions and design and manufacturing to actual market implementation and distribution.

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Electrical Safety App

Rigel Medical, Peterlee, UK, has launched a companion phone app to its Rigel 288+ electrical safety analyzer to help clinical engineers performing electrical safety tests in the field. The Downloader app allows field service engineers using the analyzer to create and upload digital test records. Users can remotely attach their test records to a computerized maintenance management system (CMMS) or send them to a central database. These tests play a vital role as they highlight faults with medical equipment in hospitals and healthcare facilities, picking up on issues that can compromise patient safety. The app is designed to help engineers complete tests more quickly and efficiently.

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Hospital Bed Controller

Linak, Louisville, KY, has added a touch screen control to its product lineup that enables control of multiple functions and features used in advanced hospital beds. The large screen of the ACT controller gives users an overview of all functions in an easy to use format. The controller offers three levels of operation: care mode (for patients and relatives), extended care mode (for care personnel), and service mode (for service technicians). The controller allows for the use of intelligent features including integrated patient weighing, out of bed detection with automatic light control, and wet detection as well as bedside rail detection.

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Biocompatible Polymers

Evonik, Essen, Germany, has expanded its product range of biocompatible high-performance polymers. VESTAKEEP® PEEK is a new implant-quality radiopaque plastic material with barium sulfate. This product type facilitates radiographic contrast without the disadvantage of artifact formation. In addition, implants made of the material do not get warm during magnetic resonance tomography. The product is delivered in the form of granulate or semi-finished products, such as plastic plates or rods. The material has different compound fill rates for different applications needs.

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Thermoelectric Assembly

Laird Thermal Systems, Durham, NC, has developed a large capacity direct-to-air thermoelectric assembly (TEA). Designed for refrigeration of medical chambers and analytical storage compartments, the DA-280 TEA is an alternative to smaller compressor-based systems. Offering more than 280 W of cooling power, it operates on 24 VDC and uses custom thermoelectric (Peltier) modules to maximize cooling capacity and optimize efficiency. The unit uses premium-grade fans with low noise and has superior barrier protection to keep moisture from penetrating inside the unit.

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Silicone Rubber

Bellofram Silicones, Newell, WV, offers silicone rubber material that meets Commercial Item Description (CID) AA59588 CL3B GR30, a rigorous standard that covers six classes of silicone rubber, in various grades. Within the broader AA59588 standard, the specific 3B class issues criteria for silicone rubber's tear and flex resistance, setting performance metrics in various grades, including grades 30, 50, 60, 70, and 80. These grades measure performance over repeated use. Grade 30 is the rarest, ensuring performance at 500,000 cycles (for comparison, the next, Grade 50, indicates 140,000 cycles). The company has the only product that meets AA59588 CL3B GR30, the absolute peak of expected performance over prolonged use.

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Din Rail Adaptors

Two new adaptors are available from OKW Enclosures, Bridgeville, PA, that enable any small plastic enclosure to be mounted on a DIN rail — saving space and speeding up installations. The adaptors are suitable for a range of electronics applications including automation, Industry 4.0/smart factory, and electronics modules. B6811751 is designed to fit TH35, TH15, and G32 DIN rails. It can be screwed to the back of the enclosure (wall thickness 3 mm) using two screws (supplied) and then located on the rail. The adaptor is molded from PA 66 (UL 94 V-0) in black (RAL 9005) as standard. B1300017 (off-white) or B1300019 (black) fits TH35 and G32 rails.

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Nested Wave Spring

Smalley, Lake Zurich, IL, has released a new nested wave springs series. The Spirawave springs are multiple turn, flat wire wave springs that are coiled in parallel to produce two to three times as much force as traditional single-turn wave springs. They can be used to replace stacks of single-turn springs, eliminating misalignment and inconsistent loading. The sturdy, tangle-resistant design allows for simple, time-saving automated handling. Standard nested Spirawave springs are available from 0.500 to 4 in. or from 16 to 3000 mm in carbon and stainless steel. Stock parts are available for overnight shipping.

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Noncontact Position Sensor

ASM Sensors, Elmhurst, IL, offers a contact-less, ultra-flat magnetostrictive position sensor for space-restricted applications. The Posichron® PCFP25 is an absolute, noncontact, and wear-free position sensor with measurement ranges from 100 to 5,750 mm. The sensor system consists of a magnetostrictive waveguide and a moveable position magnet. The 8-mm thick sensor is resistant to dirt, moisture, and dust. It resists shocks up to 50 g and has protection class IP67.

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Surface Measuring Instrument

Mahr Inc., Providence, RI, has added an instrument for roughness measurements to its new line of surface measuring instruments. The MarSurf GD series increases the speed of all moving axes to reduce the cycle time of the measurement process. The series enables profile and waviness evaluations to be carried out in addition to surface roughness evaluations. The drive units of the series move the probe with positioning speeds of up to 200 mm/s, making the systems up to 40 times faster than predecessors. All z-axis columns on the measuring stands are fully CNC-capable with fast positioning speeds of 50 mm/s.

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Feedthrough Filters

TTI, Inc., Fort Worth, TX, is now stocking of feedthrough filters from AVX. The W2F and W3F series offers a unique construction of feed-through capacitors with low parallel inductance and offers excellent decoupling capability for all high di/dt environments. The AEC Q200-qualified series provides significant noise reduction in digital circuits up to 5 GHz. They are available in 0805 and 1206 size packages with 50 and 100 V variations. Applications include Vcc power line conditioning, EMI suppression, and broadband I/O filtering.

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LCD Hourmeter

ENM Company, Chicago, IL, offers an LCD hourmeter with two factory preprogrammed service reminders. The series T49 accumulates time only when the engine's alternator is running or when the voltage is above 13 Vdc. The meter is 100 percent sealed and protected from shock and vibration. The self-powered meter keeps total running time displayed at all times. An hourglass icon flashes each second when running. When the preset alert monitor time is reached, the LCD will flash on the display every two seconds.

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Electrically Conductive Adhesive

A room-temperature curing, electrically conductive epoxy for electrical circuits, die attach, and EMI shielding is available from EpoxySet, Woonsocket, RI. EO-21M-5 is a silver-filled adhesive that bonds to most substrates including metals, ceramic, glass, and engineered plastics. It is suitable for solder replacement where a heat cure is not acceptable. It cures to a semirigid plastic that can withstand temperature cycling of –55 to 150 °C. It has been used to cryogenic temperatures offering low stress, thus preventing component fracturing. The low viscosity of 1,500 cps allows for easy mixing and dispensing.

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Medical Design Briefs Magazine

This article first appeared in the July, 2019 issue of Medical Design Briefs Magazine.

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