Archives

Company Profile: Wenzel America

By: Molly J. Rogers

Wenzel America is an innovative provider of customized metrology and styling solutions, built on a solid foundation of German precision engineering and strong partnerships as a...

Worm Screw High-Speed Manufacturing

By: Jean-Laurent Feutren

A comparison of standard worm hobbing to the worm screw power skiving (WSPS) process is discussed, including cutting speeds, axis rotational speeds, machine kinematics, and...

Impact of Surface Condition and Lubricant on...

By: Suren Rao, Ph.D., Gary J. Sroka Ph.D., Aaron C. Isaacson & Matthew E. Wagner

An experimental study, with variables including superfinishing, coated gear teeth, and two different lubricants, evaluates the effective coefficient of friction in a gear mesh,...

The Internet of Gears: New Perspectives Through...

By: Peter Boiger & John Amendola

This approach from Renk AG allows manufacturers to form a network with their products, allowing operators and gear designers an accessible set of data and providing advantages...

Review of Microstructure and Properties of...

By: Giri Rajendran & Jason Hassen

A review of the microstructure and properties of tin bronze, manganese bronze, and aluminum bronze material that make them suitable for specific worm gear applications is...

Introducing a New Machine Concept for...

By: Dr.-Ing. Deniz Sari, Dr.-Ing. Klaus Peiffer & Ing. Enrico Landi

A breakthrough design has been developed to optimize stiffness, stability, and speed of the gear generating grinding machine, reducing non-productive time in the process.

Company Profile: Rochester Gear Inc.

By: Molly J. Rogers

With new owners taking over the business in 2007 and implementing strategic changes such as new equipment investments and achieving ISO accreditation, Rochester Gear has the...

The Whirling Process in a Company that Produces...

By: Dr. Massimiliano Turci & Dr. Giampaolo Giacomozzi

Whirling is a fast method of producing worms: a toolholder ring, carrying a series of profiled carbide cutters, is set eccentric to the workpiece axis and rotates at a high...

Understanding the Basic Principles of Power...

By: Nicklas Bylund, Ph.D.

General guidelines and simple mathematics, including ways to calculate spindle speeds, are presented to assist manufacturing engineers and decision-makers in determining if...

A Look at Expanding Mandrels for Gear Workholding

By: Timothy Zenoski

Expanding mandrels that hold gears between centers are used in the gear manufacturing process, most commonly in gear inspection, where high precision and range of expansion are...

Company Profile: Southern Gear & Machine, Inc.

By: Molly J. Rogers

Specializing in gears and gearbox assemblies for the aerospace and defense industries, Southern Gear is celebrating 60 years of success attributed to customer and employee...

Developing an Energy-Efficient Industrial Gear Oil

By: Shubhamita Basu, Daniel Wilkerson & James Vinci

Fluid evaluations were conducted using an efficiency rig instrumented with a production-scale worm gearbox. Testing was conducted under a wide range of speeds and loading, and...

Company Profile: Affolter Technologies SA

By: Molly J. Rogers

Building upon its almost 100-year history of making small gears and pinions for Swiss watchmakers, today the company is manufacturing technologically advanced high-precision...

Parametric Geometric Modeling of a Spur Gear...

By: Dr. Gonzalo Gonzalez Rey & Ing. Gerardo Brianza Gordillo

This study shows how the global equations tool and general calculation formulas in the SolidWorks application can be used to update a model just by modifying the spur gear...

Intelligent Process Monitoring Is Advancing...

By: Jorge L. Pena-Mena

A real-time tool monitoring system for gear hobbing machines has been developed and implemented in manufacturing plants to accurately detect and track tool wear through data...

Influence of Contact Conditions on the Onset of...

By: Dr. Amir Kadiric & Pawel Rycerz

Experimental results, obtained on a triple-disc micropitting rig under conditions designed to isolate the effects of the slide-roll ratio and specific film thickness, show that...

Optimizing Gear Macro and Microgeometry To...

By: Neil McNab, Greg Mitchum & Erik Ostergaard

A system approach is used to optimize the macro and micro design to minimize the transmission error while ensuring that robustness (bending, contact, scuffing, and...

Gear Design Relevant Cleanness Metrics

By: E. Buddy Damm & Dr. Peter C. Glaws

A method is presented to characterize premium quality clean steels using statistics of extreme values (SEV) and quantitative stereology. The data can be used to perform gear...