Keyword: Stamping

Articles: Energy
ISCAD — ELECTRICAL DRIVE WITH 0% RARE EARTHS, 25% HIGHER DRIVING RANGE, AND 100% SAFETY

Conventional electrical machines suffer from the problem...

Briefs: Mechanical & Fluid Systems
Blocking/Deblocking Resin Systems

Similar to resin systems currently used in composites for aerospace structural applications such as toughened epoxies, this innovation is a modification to traditional resin chemistry to prevent polymerization and crosslinking of the resin when heated and pressed in an autoclave or other common resin curing...

Briefs: Materials

A small robot with the ability to hoist large loads could have countless applications, not only as a small, inexpensive, disposable, mobile sensor in the realms of search and rescue,...

Briefs: Manufacturing & Prototyping
Additive Manufacturing Unique Serialization

Current methods of identifying a unique part involve adding a unique serial number to the part. There are many reasons that manufactured parts receive a serial number. They enable traceability of a part throughout its lifecycle, and ensure the part is not a counterfeit; however, labels and stamped...

Articles: Mechanical & Fluid Systems

Contact design is critical to the performance of any connector — especially for devices that must function in harsh environments where extremes of temperature, shock, and vibration are...

NASA Spinoff: Robotics, Automation & Control

On the Curiosity rover, a tool called CheMin (Chemistry and Mineralogy) is helping scientists determine what minerals make up the Martian landscape, and whether single-celled or more...

Application Briefs: Motion Control

In the metal stamping business, precision, repeatability, and uptime are key. But stamping accuracy suffers when improper tension on the coil feeders incorrectly supplies metal to the...

Articles: Motion Control

Couplings are a critical part of system performance in high-tech applications, yet they are often one of the last components to be specified. Selecting the proper coupling ensures the equipment will meet...

Articles: Electronics & Computers
Low-Cost Printable Electronics Fabrication

The need for low-cost and environmentally friendly processes for fabricating printable electronics and biosensor chips is rapidly growing. NASA has...

Briefs: Materials
Multi-Phase Ceramic System

Bearing surfaces are typically either metal-on-metal (MOM), ceramic-on-ceramic (COC), or metal-on-polyethylene (MOP). MOM and MOP couplings have the drawback that metallic or polyethylene particles can sometimes separate from the couplings, which can cause significant problems, particularly in a hip or joint...

INSIDER: Electronics & Computers

As mobile and wearable devices such as smartwatches grow smaller, it gets tougher for people to interact with screens the size of a matchbook. That could change with a new sonar...

Briefs: Materials
Processing and Damage Tolerance of Continuous Carbon Fiber Composites Containing Puncture-Self-Healing Thermoplastic Matrix

The initiation and propagation of damage ultimately results in failure of aircraft structural components. Often, impact damage is difficult to identify in-service, and hence design of continuous carbon fiber reinforced...

Application Briefs: Motion Control

Southern Manufacturing Group (SMG) of Morrison, TN, makes automotive components and industrial valves. In 2012, the automation system for its 175-ton hydraulic forming...

Briefs: Manufacturing & Prototyping
All-Organic Electroactive Device Fabricated with Single- Wall Carbon Nanotube Film Electrode

A novel, all-organic electroactive device system has been fabricated with a single-wall carbon nanotube (SWCNT) film used as an alternative electrode. This system was fabricated with LaRC-Electro Active Polymer (LaRC-EAP) active layer and the SWCNT films...

Briefs: Manufacturing & Prototyping

With the correct selection of composition, some bulk metallic glasses (BMGs) have been demonstrated that have excellent combinations of hardness, fracture...

Articles: Data Acquisition

A common belief among engineers is that in order to get the best performance, a PC-based data acquisition module must plug into the PCI bus. Properly implemented, however, a data acquisition module...

INSIDER: Energy

By analyzing such parameters as the force applied by key presses and the time interval between them, a new self-powered, non-mechanical, intelligent keyboard could provide a...

Articles: Sensors/Data Acquisition

Touch screens are slowly but surely creeping into every aspect of our day-to-day lives. It’s not unlikely that you wake up to a cellphone alarm, adjust the room temperature on a thermostat, change the radio...

Application Briefs: Motion Control

Today’s PCB plug-in connectors must accommodate many trends, including increasing miniaturization, rising levels of performance of electronic components, and growing complexity in machine...

Briefs: Physical Sciences
Heat-Flow Probe Design and Development

The lunar regolith exhibits extremely low conductivity. Penetrating the regolith presents problems if the geo-technical properties of the regolith are not well understood and accounted for.

Briefs: Test & Measurement
Automation in Display Testing

Display devices play a vital role as the man-machine interface in most embedded domains. Display systems provide information regarding the health of safety-critical subsystems and the general status of the machine. Accuracy and precision of the information displayed is a key factor in proper machine operation....

Articles: Aerospace

Long-duration spaceflight poses many hazards to the health of a space exploration crew, including physiological deconditioning of the musculoskeletal and cardiovascular systems due to...

Briefs: Information Technology
Time Manager Software for a Flight Processor

Data analysis is a process of inspecting, cleaning, transforming, and modeling data to highlight useful information and suggest conclusions. Accurate timestamps and a timeline of vehicle events are needed to analyze flight data. When data is gathered onboard a rocket, precise time stamping is even...

Application Briefs: Imaging

MPC , a Walworth, Wisconsin-based manufacturer of plastic parts for the automotive industry, builds many types of components. One such product is the oil filler cap for the car’s engine. The...

Articles: Photonics/Optics

In a perfect imaging system, light exists as a spherical wave that converges to form a point image. However, in practice wavefront aberrations act to perturb the wavefront from its ideal...

Articles: Electronics & Computers

The computing press is full of discussions about multicore systems, defined here as single-chip computers containing two or more processing cores each connected to a common shared memory...

Briefs: Manufacturing & Prototyping

A technique for reducing in-flight loss of closed-cell foam insulation has been devised. In the original application, foam is used for thermal insulation on the external tank of the space shuttle. As the space...

Briefs: Mechanical & Fluid Systems

Pressure-energized seal rings intended to withstand flows better than do conventional pressure-energized seal rings have been conceived. The concept applies, more specifically, to seal...

Briefs: Mechanical & Fluid Systems

Light-driven polymeric bimorph actuators are being developed as alternatives to prior electrically and optically driven actuators in advanced, highly miniaturized devices and systems exemplified by...

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Articles: Mechanical & Fluid Systems

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Articles: Motion Control

Reduce Compressed Air Costs with Proper Air Cylinder Sizing

Articles: Motion Control

Pneumatics for Mechanical Motion

Articles: Electronics & Computers

Bipolar and Unipolar Drives for Stepper Motors: A Comparison

Articles: Mechanical & Fluid Systems

Basic Pneumatic Circuits