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May 05, 2015Volume 11 Issue 17


Image - Noisy Bearings?
Noisy Bearings?
Smalley wave springs are ideal for bearing preload. The wave spring preloads the bearing through its outer race, taking up play in the bearing. Preloading will reduce bearing damage, wear, noise and vibration. The wave spring prevents sliding between the rolling elements. Bearing springs come in metric sizes to match popular bearing sizes. Smalley has over 150 standard springs available, from 16 mm to 580 mm. Customs are available for unique bearing sizes with No-Tooling-Charges™.

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In this issue of Designfax

  • Coiled pins as perfect hinges
  • Advice from a NASA boss
  • Mesh captures oil -- but lets water through
  • Wheels: Mastering engine block 'peaks and valleys'
  • Mike Likes: Monitor engine oil condition
  • Engineer's Toolbox: Slip clutches maximize designs
  • Cool Tools: Powerful pen oscilloscope
  • Products: Laser-scanning sensors for auto, aero measuring
  • Multi-tech automation concepts for equipment builders
  • Videos+: Technologies and inspiration in action
    • Redefining the future of cancer treatment
    • Exoskeleton features spring power only
  • Most Popular Last Issue
    • Aluminum alternative to Li-ion batteries
    • Navy tube-launched swarming UAVs
    • Wings: World-record electric motor for aircraft
  • New Products
    • Electrical, Mechanical, Motion, Special: Materials
    Cover Image: Volvo XC90 Excellence Lounge Console does away with the front passenger seat

News

Metamaterials shine bright as new terahertz source

Volvo Cars nixes passenger seat to provide ultimate luxury Lounge Console

Motors from maxon power mini Caterpillar model

Using a 'fluid mechanical sewing machine,' researchers develop model that predicts patterns that form from honey-like fluids



Image - High-Torque Coreless Motor for High Precision
High-Torque Coreless Motor for High Precision
MICROMO is pleased to announce the latest addition to the FAULHABER DC motor series: the 3890 CR. Its graphite commutation, powerful neodymium magnet and high copper content in the FAULHABER rotor winding provide the compact 3890 CR with an enormous amount of power. The coreless rotor also ensures cogging-free, precise synchronization with very low energy consumption, making it ideal for high-performance applications requiring a compact, yet high-torque, motor.

Click here to learn more.


Feature articles

Image - Clever seam design makes coiled pin a perfect hinge
Clever seam design makes coiled pin a perfect hinge
Coiled spring pins are manufactured with a seam that is much better for hinges than spring pins. Find out why, and how this simple component can improve your designs.
Read the full article.
Image -
Learn important advantages and disadvantages of different 3D-printing technologies from Proto Labs.


Image - Advice from a NASA boss: How an intern became Deputy Center Director
Advice from a NASA boss: How an intern became Deputy Center Director
"It actually proved a blessing that I wasn't very bright," said Rick Obenschain, looking back at his 50-year career at NASA's Goddard Space Flight Center in Greenbelt, MD. It sounds like the punchline to an odd joke, but Obenschain means it. Officially retired on March 31, he was deputy center director at Goddard since 2007. Obenschain attributes his long career -- which began in the early 1960s when he got a job as a summer engineering aide -- to luck, chances given, and learning from his mistakes. In this article, Obenschain also imparts his Three Rules of Leadership and Four Rules of Management.
Read the full article.

Image - Scientists develop mesh that captures oil -- but lets water through
Scientists develop mesh that captures oil -- but lets water through
The unassuming piece of stainless steel mesh in a lab at The Ohio State University doesn't look like a very big deal, but it could make a big difference for future environmental cleanups. Water passes through the mesh but oil doesn't, thanks to a nearly invisible oil-repelling coating on its surface.
Read the full article.

Image - Wheels: <br>Mastering engine block 'peaks and valleys'
Wheels:
Mastering engine block 'peaks and valleys'

Dick Maskin started Dart Machinery in 1981 in a two-car garage in Oak Park, a Detroit suburb, and has grown it into a manufacturing leader in racing and high-performance engine blocks, heads, and other components. The company turns out about 8,000 blocks and 16,000 heads a year for drag racing, circle track racing, road racing, high-performance custom cars and more. Maskin says that advanced honing provides a key differentiator for maintaining a competitive advantage in processing an ever-changing mix of blocks.
Read the full article.

Image - Mike Likes: <br>Monitor engine oil condition in all kinds of machinery
Mike Likes:
Monitor engine oil condition in all kinds of machinery

Make interval oil changes a thing of the past using the new STAUFF Oil Quality Sensor (OQS). This unit monitors oil condition and can be permanently mounted within any lubrication system on nearly any type of machine, including: diesel and gas engines, compressors, industrial gear reducers, wind turbines, generator sets, hydraulic systems, and more. OQS measures the energy loss component of oil permittivity. All contaminants such as metallic particles, soot, water, oxidization, glycol, and particularly burnt fuel dilution increase this measured value. Data can be displayed on your existing system or on the STAUFF Oil Quality Display (OQD). This is an excellent way to build extra, billable value into your designs.
Click here to learn more.

Image - Engineer's Toolbox: <br>Slip clutches maximize designs
Engineer's Toolbox:
Slip clutches maximize designs

The way they see it over at Polyclutch, there aren't a whole lot of problems you can't solve with a slip clutch. Way beyond using them for overload protection, there are a surprising number of other applications for these versatile and valuable components. From increasing machine speeds and applying constant tension on wire to indexing a conveyor and automatic screw assembly, slip clutches just may provide the design leverage that you've been seeking.
Read the full article.

Image - Cool Tools: Powerful pen oscilloscope
Cool Tools: Powerful pen oscilloscope
Saelig announces the Owon RDS1021 Wave Rambler, a new USB pen scope that packs all the features of a high-performance bench-top oscilloscope in a small, lightweight, and ergonomic probe that fits perfectly in the hand. Used with the included PC software, the RDS1021 Wave Rambler converts any laptop or desktop PC into a powerful oscilloscope without the need for additional probes or power supplies.
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Image - Products: Smart laser-scanning sensors for automotive and aerospace measuring
Products: Smart laser-scanning sensors for automotive and aerospace measuring
Perceptron has extended the performance range of its HELIX smart scanning sensor with the addition of a high-power version, offering higher dynamic range. The new HELIX 200HDR sensor offers an adjustable power range up to the maximum permitted for a Class 3R laser. The higher power allows more complex measurement applications, including inspection of highly reflective metallic surfaces such as machined aluminum castings. The HELIX 200HDR produces a thinner laser line and offers a higher measurement resolution ideally suited for the inspection of complex aerospace machined parts and assemblies. The patented HELIX smart scanning sensor is used extensively throughout the global automotive industry for in-process laser scanning of car bodies for dimensional stability and gap-and-flush measurement.
Click here to learn more.

Image - Multi-technology automation concepts for equipment builders
Multi-technology automation concepts for equipment builders
Bosch Rexroth has published a new full-color, 35-page brochure detailing system considerations for injection molding, blow molding, and die casting machines. The brochure contains information on drive, control, and automation technology; simulation and system configuration; innovative Rexroth products; service and training options; and more.
Click here to learn more.

Most popular last issue

Image - Aluminum battery touted as safe, fast-charging alternative to conventional Li-ion batteries
Aluminum battery touted as safe, fast-charging alternative to conventional Li-ion batteries
Stanford University scientists have invented the first high-performance aluminum battery that's fast-charging, long-lasting, and inexpensive. Researchers say the new technology offers a safe alternative to many commercial batteries in wide use today.
Read the full article.

Image - Shot out of tubes, new Navy swarming UAVs fly into the future
Shot out of tubes, new Navy swarming UAVs fly into the future
A new era in autonomy and unmanned systems for naval operations is on the horizon. Officials at the Office of Naval Research (ONR) announced April 14 a series of technology demonstrations of swarming unmanned aerial vehicles (UAVs) -- part of the Low-Cost UAV Swarming Technology (LOCUST) program. The LOCUST program includes a tube-based launcher that can send UAVs into the air in rapid succession.
Read the full article.

Image - Wings: <br>Siemens develops world-record electric motor for aircraft
Wings:
Siemens develops world-record electric motor for aircraft

Researchers at Siemens have developed a new type of electric motor that, with a weight of just 110 lb (50 kg), delivers a continuous output of about 260 kW -- five times more than comparable drive systems. The motor has been specially designed for use in hybrid aircraft where the electric motors are used for high-energy-demand tasks like takeoff and climbing.
Read the full article.

Videos+: Technologies and inspiration in action
Redefining the future of cancer treatment
See how ProNova is developing the most precise solutions for pinpointing and destroying cancer with a team of dedicated engineers and scientists using SOLIDWORKS and SOLIDWORKS Electrical design tools. The giant proton beam accelerator machine features over 18 miles of cabling, so imagine keeping all of that organized! This video also provides a really simple and insightful explanation of how proton therapy works.
View the video.

Video Image
For latest exoskeleton, a spring is a marvelous thing
Biomechanical engineers at Carnegie Mellon University recently unveiled an unpowered exoskeleton -- a small, light, spring-activated device that fits on the lower leg -- that reduces the energy cost of walking by around 7 percent. The carbon fiber clamp-on device has no batteries and no motors, and uses the spring like a clutch.
View the video.

Video Image

New products

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