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Power Transmission Engineering E-mail Newsletter July 2015 Edition

Bearing Blog by Norm


Fitting the Inner Ring to the Shaft

I don’t recall a time during the startup of a new program where an engineer unfamiliar with heavy load p1axle testing didn’t want to completely stop a bearing from turning on a shaft. The logic is reasonable; if a hard pressed metal on metal surface is slipping, there is going to be material movement. If there is true turning on the bearing on a shaft, that can certainly be true and must be corrected by tightening up the fit, but most of the time, the indications of movement is just a creeping movement driven by the mechanics of the load. If we have a good press fit, something above 100 MPa of hoop stress, it doesn’t take long to realize that the bearing cannot transmit enough torque through the rollers to turn the cone.

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Precision Standard and Custom Shafting by Nordex

Nordex makes 303 Stainless Steel and case hardened precision ground shafts in stock configurations (1/32 to 1 inch diameters by 1 to 40 inch lengths). Nordex also offers Ultra Precision Shafting straight within .0001 inch. Custom shafting modifications include special lengths, retainer ring grooves, journals, milled flats, and drilled holes.

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Become a Hydraulics Expert in 30 Minutes or Less

Hydraulics applications require the right seals. Our latest whitepaper teaches you to avoid system failure, discusses outside factors and teaches you to select the right rubber material for fluid power applications. Get tips from our top engineers and become a seal expert when you download “10 Hydraulic Tips You Need to Know.”

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This Servo Gearbox Offers 3 Backlash Options

The Dynabox right angle gearhead is designed specifically for precise servo driven motion control applications. Extremely compact and more cost effective than other right angle configurations, it offers 5 output configurations for maximum load connection versatility. The 3 backlash precision options of 1, 5 and 10 arc minutes satisfies a wide range of positioning requirements...

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POWER TRANSMISSION AND CONTROL 2015

27-30 Oct. 2015
Shanghai New Int’l Expo Centre (SNIEC)
PTC ASIA 2015 - International Trade Fair for Electrical and Mechanical Power Transmission, Fluid Power, Machine Parts, Fasteners and Springs, Bearings, Internal Combustion Engines and Gas Turbines.
Email: visitor@hmf-china.com
Contact: Rita Zeng/Josie Zhang


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High Capacity Torque Limiter with Integral Flex Coupling

The R+W ST2 is an adjustable, resettable, high torque safety coupling, including flexible elastomeric element. In case of torque overload the coupling fully disengages and freely rotates until the machine is stopped; preventing damage to driveline components. The plunger elements are adjustable and can also be added and removed...

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Custom Engineered Bearings for Your Specific Needs at NES Bearings

NES offers complete design, development and manufacturing of custom high-precision ball and roller bearings using superior quality raw materials and manufacturing. The process includes collaboration with an OEM’s in-house engineering team and full project management support from initial concept through final delivery of NES’s US manufactured bearings.

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Latest News

Here's the latest from the mechanical power transmission industry.


Hantke Named New President of Sales and Engineering at Schaeffler Industrial
Stefan Hantke recently assumed global management of sales and engineering of the industrial division of Schaeffler Technologies AG & Co. KG. In his new position, Hantke is member of the industrial division’s management board and is responsible for the global sales management for rolling and plain bearing components and systems for around 60 different industrial sectors. Read more.

Festo Bionic Learning System Shows Off Three New Technologies
Festo recently introduced featured developments for 2015 in the company’s Bionic Learning Network – the basic research effort designed to use biomimicry and emerging technologies, like superconductors, to make automated processes even more efficient and productive.Read more.

Ruland Manufacturing Announces Bill Hewitson as New President
Bill Hewitson was recently promoted to president of Ruland Manufacturing after serving as vice president of operations for the previous eight years. He is the third president in the company's history and succeeds Bob Ruland who will continue to oversee the company as Chairman.Read more.

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