May 08, 2012 Volume 08 Issue 18

Mechanical News & Products

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Roller-type LM guide for ultra-heavy loads

THK's model HRX is the company's roller-type linear motion (LM) guide. It features ultra-high rigidity in addition to the ability to handle ultra-heavy loads. On the HRX, each row of rollers is arranged at an angle of 45 degrees. This ensures the LM block receives an equal load rating (high rigidity) in all directions. Made for the development of high-precision, energy-saving, high-speed machines with long service lives.
Learn more.


Live tooling for popular turning center lines

Heimatec, a world leader in live tools and multi-spindle drill heads, announces the immediate availability of live tooling for all popular models in the Hyundai, Miyano, and Nakamura turning center lines. According to Preben Hansen, president of Platinum Tooling Technologies and master North American importer for Heimatec, "We're carrying a substantial inventory of live tools for our customers' machines now, and it represents a substantial financial and warehouse-space commitment we've made to support them in the North American market."
Learn more.


MW Components launches eCommerce experience

MW OnDemand combines over 1 million parts from well-known brands such as Century Spring, Accurate Screw Machine, RAF Electronic Hardware, Servometer, and Maudlin into a single location. Customers can select and purchase products from across the MW Components portfolio, simplifying the entire component sourcing process. Customers can shop tens of thousands of stock spring designs along with fasteners, shims, electrical contacts, metal stampings, tubing products, bellows, and more.
Learn more.


Desktop Metal qualifies 420 stainless steel for high-volume additive manufacturing

Desktop Metal recently announced the qualification of Grade 420 stainless steel (420 SS) for use on its Production System platform, which leverages patent-pending Single Pass Jetting (SPJ) technology designed to achieve the fastest build speeds in the metal additive manufacturing industry. Manufacturers can now leverage SPJ technology for the mass production of high-strength, end-use parts in 420 SS for demanding applications in industries such as medical, aerospace, defense, and consumer products.
Learn more.


Engineer's Toolbox:
How to select the proper pin for your application

Fasteners are some of the most important parts of an assembly. In this technical article, Jeff Greenwood from SPIROL focuses on how to select the proper pin for your application, including pins used as hinges, hub and shaft fixtures, alignment, movement stops, and joining. Press fit pins are discussed here, as they are the most common type of pins used in modern manufacturing. Lots of good info and examples in this one.
Read the full article.


New PETs for automotive exterior components

Polyplastics Group has introduced two new RENATUS polyethylene terephthalate (PET) grades that deliver superior mechanical properties, appearance, and weather resistance for automotive exterior components. RH030 (30% glass filled) and RH045 (45% glass filled) maintain their jet blackness and reduce whitening on the surface of molded articles in outdoor environments, making them ideally suited for applications such as automotive side mirrors and rear wiper arms/blades. Since PET parts are not painted, weathering degradation can occur over time when the glass filler starts to float and the jet blackness decreases. Accelerated weather resistance testing demonstrates that Polyplastics' new PET materials maintain lower index values than competing products, indicating that whitening is being reduced.
Learn more.


Quick release couplings with safety lock

To reduce the time involved in setting up equipment and production lines, JW Winco has incorporated a new coupling in its product portfolio. With the GN 1050 quick release coupling, components can be quickly and securely connected to a machine or device with just a click. A safety locking button protects the coupling from being accidentally opened.
Read the full article.


Wheel nut can't loosen by itself -- even in extreme applications

Designed for flat-faced steel rims, the Nord-Lock wheel nut safely secures wheels on on-road and off-road heavy vehicles by maintaining high clamping force even under extreme operating conditions. When assembled correctly, the Nord-Lock wheel nut cannot loosen by itself. It's a simple and cost-effective way to make wheels safe and secure for more productive and efficient operations.
See how Nord-Lock wheel nuts work.


Join carbon materials and more with innovative C-Solder

C-Solder tin-based soldering alloys from Goodfellow enable the joining of carbon materials as well as carbon to metals (copper, aluminum) and aluminum to aluminum. The resulting bond is mechanically strong and electrically conductive. C-Solder is both flux-free and lead-free, has a melting point of 232 degrees C (solidus temperature), has excellent flow, does not leave a residue, and is not affected by cleaning solvents.
View the 1-minute video.
Learn more from Goodfellow.


Tiny crossed roller bearings boast big capabilities

IKO International has unveiled its newest crossed roller bearing, the CRBT105A. This ultra-small, ultra-thin unit is designed to provide exceptional rigidity for space-constrained automated machine applications such as robots with articulating arms and compact surveillance cameras. The CRBT105A features a 10-mm bore diameter, 21-mm outside diameter, and a narrow width of 5 mm. Despite its compact size, this bearing offers rigidity up to four times greater than double-row angular contact ball-type bearings.
Learn more.


Steel disc couplings with updated design offer backlash-free operation in drive applications

RINGFEDER has released an updated version of its proven TND Series of steel disc couplings, which feature backlash-free torque transmission and excellent positioning accuracy in machines that involve synchronous operation, frequent starts and stops, or reversing operations. Typical drive applications include printing and packaging machines, compressors, pumps, and variable speed drives. Two coupling types are available: High Deflection (HD), which offers excellent shaft misalignment compensation, and High Torque (HT), which incorporates a higher power density. TND Series couplings achieve superior concentricity, maximum operational reliability, smooth operation, and low vibration levels.
Learn more.


Custom modifications for material handling rollers and bumpers

Imao-Fixtureworks offers custom modifications for its standard material handling rollers and bumpers. By modifying off-the-shelf products, a significant amount of time and money is saved. The products can be custom modified in various dimensions, shapes, and sizes to meet specific application requirements. For example, the outside diameter (O.D.) of a roller could be turned down, or a bumper of a certain width could be produced. These modifications eliminate the typical design and production time necessary for a custom roller or bumper to be tooled up and molded.
Learn more.


Optimal damping: Continental develops special bearings and other elements for EVs

Continental has developed special elastomer compounds for electric vehicles. They absorb the vibrations in the high-frequency range and are also lightweight. The company is also adapting other bearing elements such as battery mounts for buses or air press bearings in truck driver cabs to the requirements of e-mobility.
Read the full article.


Advanced graphenes for composites and thermoplastic applications

NeoGraf Solutions has extended its range of next-gen graphite materials with the launch of Graf-X graphene nanoplatelets (GNP) and graphene precursors (GP). Both high-performance additive materials deliver enhanced strength, performance, and reliability in a broad range of thermoset and thermoplastic applications. The new graphene materials can increase the toughness of plastics by up to 2.5 times without a significant weight increase. They can also double thermal conductivity and push the electrical conductivity of plastics into the anti-static and static-dissipative ranges.
Learn more.


You asked. We answered. Wave Spring FAQ E-book

Finding the best possible solution for your design challenge is no easy task. Smalley engineers have created a brand new Ask the Expert -- Wave Spring FAQ E-book that answers all of your wave spring questions in one simple guide. In this E-book, you will learn about wave spring performance, the design process, materials, and common applications.
Download Now!


Bosch Rexroth accepting participants for Hydraulics Technical Training program

Registration is now open for hydraulics courses taking place from July through December 2012.

Bosch Rexroth is accepting registrations for all courses in its popular training program designed for hydraulics systems engineers. Rexroth‘s Hydraulics Technical Training program is targeted toward individuals who maintain hydraulic systems, and also to those who design new systems or want to upgrade existing systems with new technology.

Each five-day course in the Hydraulics Technical Training is held at the Bethlehem Area Vocational Technical School near the Bosch Rexroth hydraulics facilities in Bethlehem, PA.

Registration is now open for the following courses from July through December 2012:

Principles of Hydraulics, for industrial and mobile hydraulic equipment maintenance personnel, is an overview of hydraulic technology.

Maintenance, Repair and Setup of Industrial Hydraulics Systems is a second-level industrial hydraulics training course that includes proper methods of maintenance and troubleshooting.

Fundamentals and Servicing of Proportional Valves is recommended for mechanical and electrical engineers, who will learn the function and operation of electro-proportional valves and their interface electronic amplifiers.

Design Considerations for Industrial Hydraulic Systems will show maintenance technicians and hydraulic project engineers how to select components that will produce efficient hydraulic circuits that properly control machines or processes.

Proportional and Servo Circuit Design includes design concepts that result in the proper application of components to achieve good control of a hydraulic axis.

Pumps and Controls, Open Loop covers popular variable displacement pumps and pump controls used in open-loop pumping systems.

Electronic Controls for Hydraulic Systems includes electronic control of electro-proportional hydraulic valves used in closed-process loop systems.

Design Considerations for Mobile Hydraulic Systems covers how to properly select hydraulic components that will produce efficient hydraulic circuits that control mobile equipment.

For a compete listing of available courses and dates, download the training brochure at www.boschrexroth-us.com/training.

Published May 2012

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