Manufacturing & Prototyping

Actuators

Nook Industries (Cleveland, OH) offers Series 500™ programmable actuators designed for continuous duty and long service life. They incorporate a direct or toothed-belt drive for high mechanical efficiency. Ball screw-driven programmable actuators are made with high-strength materials, and are available in parallel and in-line models with either a servomotor or stepper motor. The screw shaft is constructed with medium-carbon, induction-hardened alloy steel, and the ball nuts are manufactured from high-grade bearing steel. Both ball screw and nut are heat-treated to a surface hardness of 56 HRC.

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Machine Control

Unitronics (Quincy, MA) has introduced Samba, a palm-sized PLC with HMI and onboard I/Os for machine control that features a color 7" HMI panel. The 16-bit touchscreen enables data entry and display of variable data, including color trend graphs and alarm screens. Samba supports 24 userdesigned screens and 5-MB images per application. The integrated PLC offers features including two auto-tuned PID loops, time-based RTC control, data logging, and recipes. The internal memory holds 112 KB of application logic, plus 512K for fonts and 5 MB for images. Onboard I/Os offer digital, analog, and high-speed functionality.

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Accelerometer Chips

Silicon Designs (Kirkland, WA) offers industrial-grade MEMS variable capacitive accelerometer chips and modules for zero- to medium-frequency instrumentation applications. Onboard voltage regulation and an internal reference minimize temperature and voltage changes while eliminating additional external power regulation requirements. Each sensor is made to be virtually identical, allowing users to swap out parts in the same g range with few to no testing modifications. This also provides a plug-and-play solution for almost any application.

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3D Printing Meets Astrophysics: A New Way to Visualize and Communicate Science

3D printing has the potential to considerably improve the astronomical community's ability to visualize, understand, interpret, and communicate important scientific results.

Posted in: On-Demand Webinars

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Simulation of Microfluidic Devices Using COMSOL

Modeling and simulation form a systematic framework for developing and optimizing microfluidic systems. Such simulations often involve coupling multiple physical effects such as single- and multi-phase flow, mixing, dispensing, heat transfer, species transport and diffusion, chemical reactions, surface tension and wetting, electrokinetic effects, and flow interaction with biological material.

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Stratasys Extends Accessibility of Unique Triple-Jetting 3D Printing Technology with the Connex 1,2, and 3

Stratasys' triple-jetting technology is unique, allowing users to build products with up to three base materials in a single run, forming new Digital Materials such as Digital ABS or producing parts in vibrant colors. This technology 3D prints parts in a single, automated build with up to 80 material properties per part, ranging from rigid to rubber-like in a range of vibrant colors and a range of Shore A values producing exceptional final-product realism. The PolyJet Connex technology can create smooth, detailed, accurate molds.

Posted in: Tech Talks

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Increased Alignment in Carbon Nanotube Growth

Ames Research Center, Moffett Field, California The combination of electronic and mechanical properties of carbon nanotubes (CNTs) has led to wide-ranging investigation of their potential in future electronics and computing, sensors, electrodes, and composites. A method and system for fabricating an array of two or more CNT structures on a coated substrate surface was developed.

Posted in: Briefs

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