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Home » Blogs

Blogs

Bearings with Norm

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Ball Bearing Thermal Speed Rating

October 5, 2022
Norm Parker
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Ball Bearing Limiting Speeds

August 9, 2022
Norm Parker

Electrification has really brought ball bearings back into focus as the primary bearing in our drive systems. Some boxes have tapers on the slower shafts for stiffness and others are using a ball/cylindrical combo for efficiency. Regardless, we all face the same challenge on the primary shaft in dealing with the potential of 18,000–20,000+ rpm speeds coming out of the motor. Plenty of applications run 20,000 rpm; what makes the automotive motor unique is, in addition to speed, we are driving huge torques, frequent torque reversals and a huge range of temperatures both internally and geographically. Of course, this all needs to be suited for high-volume manufacturing as well. Adding full ceramic balls, a PEEK cage and a high precision classification is a really easy way to run greater than 20,000 rpm all day but is an expensive option. One bearing alone could hurt the cost competitiveness of your gearbox. In the case where a single bearing can change the landscape of your project, it is worth taking a little time to understand exactly what the drivers of our speed limitations are.


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Induced Axial Load

May 30, 2017
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Every bearing that has a non-zero contact angle will generate an axial load as a radial load is applied. This generated load is referred to by a fe...
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There Must Be 50 Ways to Reduce a Duty Cycle (Part 2)

May 23, 2017
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Welcome to Part 2 of our duty cycle journey. In the first part, we reviewed how to take a duty cycle or one block of a duty cycle and reduce it to ...
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There Must Be 50 Ways to Reduce a Duty Cycle

May 8, 2017
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Man, oh man — 2017 is going to be one for the record books! My wife and I recently had the 3rd and FINAL installment of the Parker clan. A healthy ...
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Editors Choice

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The Digital Experience with Regal Beloit

February 22, 2021
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Regal Beloit Corporation recently announced it is now putting QR codes on Sealmaster and Browning mounted bearings products and bearing boxes inclu...
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Smart Moves with Bosch Rexroth

January 21, 2021
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Extrusion press hydraulics upgrade uses phased approach to improve results

The extrusion press is one of today’s most valuable and hardwo...
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Fenner Precision Polymers Expands Portfolio with MAV Acquisition

December 10, 2020
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Fenner Precision Polymers, a Michelin Group Company, recently announced the acquisition of MAV S.p.A., an Italian company, located in Altopiano del...
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Bosch Rexroth Celebrates 30 Years of Linear Motion Innovations

December 1, 2020
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Bosch Rexroth began developing linear bushings, shafts, slides, and transfer tables as prototypes in the 1960s. The first two complete linear modul...
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Stainless Steel Powertrains Provide Peace of Mind

November 24, 2020
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Hardly a day passes without a new FDA recall of some food product as the number of Americans falling ill from food contamination infections continu...
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Motor Matters with George Holling

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Design Takes on a More Holistic Scope

August 3, 2022
George Holling

In the past, we designed motors and drives separately from the mechanical system, and then we integrated suitable components to make a system work. Increasingly, though, the design focuses more on the overall system aspect and system integration, which makes the design of customized components more challenging. In this article, we will use examples of specific software tools, and it should be noted that these are just that: examples. For many of these tools, multiple similar and good software packages exist that can be used.


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A Changed World - Challenges and Opportunities

November 18, 2020
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2020 started out like a normal year with some chatter about a virus outbreak in China but then events quickly spread and the world, as we knew it, ...
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Motors without Rare Magnets: What are the Options? (Part Two)

March 13, 2020
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In Part I we explored various motor technologies used today for industrial and traction motor design. Here in Part II we will explore another motor...
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Motors without Rare Magnets: What are the Options? (Part One)

October 24, 2019
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Lower-cost motor technologies exist that can be an attractive alternative to neo-based BL PM motors - and are not subject to unpredictable supp...

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Engineering in the Modern Age

January 14, 2019
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There is a growing social chasm developing in society in general that we will have to address: the value of formal education. When I grew up thi...
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Revolutions

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Siemens and Deloitte Explore the Future of Smart Manufacturing

January 24, 2023

Siemens Digital Industries Software recently announced the opening of eXplore Live at The Smart Factory @ Wichita, an experience center convened by Deloitte that marries an ecosystem of world-leading organizations with business strategy and cutting-edge technology to demonstrate Industry 4.0. 


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Iwis Examines Predictive Maintenance for Drive and Conveyor Chains

January 17, 2023

Industrial maintenance consists of keeping equipment running as long as possible. Corrective, preventive and now predictive maintenance has taken a long time to be recognized as an activity in its own right. Since then, it has shown its importance and added value to the point of being a lever for continuous improvement and development in companies.


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Is This the Restaurant at the End of the Universe?

McDonald's Location Boasts 'Grab and Go' Concept Via Conveyor Drives
January 17, 2023
Matthew Jaster

The first fully automated McDonald's has arrived in Fort Worth, Texas. Here, a conveyor belt serves customers food they order online or using a kiosk machine. The fast-food restaurant has no seats, tables or drive-thru greeters.


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Bearing Quality Control Helps Green Energy Initiative

Timken Utilizes LK Metrology for Bearing Inspection and Analysis
January 9, 2023

The Dudley, UK factory of The Timken Company supplies the engineered bearings it manufactures into a multitude of industries including mining, food and beverage, pulp and paper, cement, marine, and wastewater. Recently there has been a significant increase in demand for larger bearings up to 1,200 mm in diameter for use in the construction of wind turbines, which promises exponential growth in the coming years as countries across the globe work towards meeting their green energy targets.


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FVA Presents Transmission Design Considerations

Realistic Load Spectra Conditions are Essential for Optimal Gear Design
January 3, 2023
Benjamin Abert

For optimal gear design in accordance with requirements, it is essential to consider load spectra under the most realistic conditions possible as early as the virtual basic design phase. This is the only way to ensure that all components are loaded as evenly as possible to avoid overdimensioning.

Optimized design saves resources and costs and improves the CO2 balance – an aspect that is becoming increasingly important in the current environment and can offer a competitive advantage. Load spectrum calculations are also important for replacing complex time and cost-intensive experiments by simulating test rig damage tests.


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