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Power Transmission Engineering E-mail Newsletter July 2016 Edition

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Online Exclusives

Mind Sport

Stronghold Competition Puts the Fun in FIRST Robotics

Here’s what we know about Tremont, Illinois: It’s a small village in Tazewell County, (population 2,400+), holds an annual summer turkey festival (quite popular) and the courthouse is a famous historic site where politician James Shields challenged an “up-and-coming” lawyer named Abraham Lincoln to a duel with cavalry broad swords (they showed up, but the duel never materialized). In 2016, you can add FIRST Robotics Competition World Champion to the village’s rather eccentric list of accomplishments.

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The Driving Force

In “the good old days” we simply connected a motor to the power lines and that created motion — but those days are disappearing fast. Almost all motion today is controlled in some form, either by a high-end servo or at least a simple V/F speed control.
Initially, the need for accurate positioning was driving the development of hydraulic and electrical servo systems, and the emergence of suitable power electronics and microprocessors in the 1970s and 1980s dramatically changed the motion industry. But these systems were expensive and in many applications servos were considered ‘overkill’ when only variable speed was required. This led to the development of lower-cost speed controls for AC induction motors where users could add these devices and upgrade their applications cost-effectively to reap the benefits of variable speed. The most common solution today is the V/F drive that allows a standard AC induction motor to run at variable speed.

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See more of our Editors Choice topics on our homepage at www.powertransmission.com


Learn about how R+W ball-detent torque limiters protect equipment from overload in ways that electronic controls cannot. This new video includes how they’re made, how they work, how to use them, and why they matter.

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Light Weight Reducer Gives Heavy Duty Performance

The Varvel die cast aluminum helical speed reducer from Diequa provides high reliability, superior performance and cost effective operation. They include a flexible input adapter for NEMA or IEC motors that eases mounting and reduces maintenance. 5 sizes, in 2 or 3 stages, offer torque capacity from 200 - 4,000 in-lbs. and are available with inch or metric series output shafts.

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Timing Pulley Stock Delivery with a Promise

Custom Machine & Tool Co., Inc. has been the preferred choice for pulley stock for over 35 years. We GUARANTEE 72 hour delivery on five pieces or less or we’ll pay the UPS ground freight charges. We carry a complete line of matching pulley stock flanges - a one-stop-solution for your needs.

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PTC ASIA (Power Transmission and Control)

Adhering to HANNOVER MESSE principal of Technology, Innovation& Service, PTC ASIA was established in China in 1991 as a leading industry exhibition in power transmission and control technologies. After 20 years of successful performance, PTC ASIA has become a premier industrial fair in Asia. This is the show you CANNOT afford to miss!

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Become a Hydraulics Expert in 30 Minutes or Less

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

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TUGear (TAIWAN UNITED GEAR) - Leading gear company in Taiwan.

50 years in design and manufacturing. Latest facility (LIEBHERR, GLEASON-PFAUTER, REISHAUER, HOFLER, KLINGELNBERG) – high precision and low prices. TUGear has kept its promises to clients and established lasting relationships built on trust. In an increasingly competitive market, TUGear will prove to become your most reliable business partner.

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Latest News

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

Timken Acquires Industrial Coupling Manufacturer Lovejoy Inc.
The Timken Company has announced that it has acquired Lovejoy, Inc., a manufacturer of premium industrial couplings and universal joints, for approximately $66 million. Read more.

ICP and Volunteers Talk Industrial Distribution Careers with 500+ Students
When young people with the skill sets and ambition industrial distributors seek as their next generation of workers gather en masse, Industrial Careers Pathway (ICP) works to make sure they know about the “incredibly rewarding” careers awaiting them when the time is right.Read more.

Oerlikon Fairfield Presents Drive System Paper at 2016 VDI International Congress
Transmission specialist Oerlikon Fairfield co-presented details of an innovative electric drive system for off-highway vehicles at the recent VDI International Congress in Friedrichshafen, Germany.Read more.

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