First Gear Engineering & Technology continues its growth in gear manufacturing to many markets, including aerospace, medical, food, industrial fields, and contract gear inspection.
This paper provides an overview of the testing procedure for plastic gears according to the VDI 2736-4.
Companies interested in increasing capacity and agility to their precision gearing operations will be interested in the new Gleason bevel gear cutting, lapping, and testing machines. Here’s one company’s experience.
From Gear Solutions staff reports
In this exercise, a numerical thermal 3D model is used to predict the surface and body temperature of spur and helical plastic gears.
Worldwide, Reishauer gear grinding machines play a major role in the manufacturing process of grinding gears used in automobiles, aircraft, and construction/agricultural machinery.
Third Wave Systems is dedicated to providing validated, physics-based software solutions to help the machining industry achieve product and process improvements.
With a full-service gear machining facility and a variety of in-house capabilities, American Gear & Engineering strives to make sure customer satisfaction is its No.1 priority.
Hainbuch America has met the challenges faced in gear production with innovative designs and products that have kept it on the cutting edge of the industry.
An Experimental and Analytical Comparison of the Noise Generated by Gears of Austempered Ductile Iron (ADI) and Steel Materials
The following technical paper makes an experimental and analytical comparison of the noise generated by gears of austempered ductile iron and steel materials.
Customer demand drives Gleason’s development of breakthrough multi-sensor gear inspection technologies.
Klingelnberg has combined typical measurement tasks for axially symmetrical components on a single measuring machine for use in a measuring chamber as well as the shop floor.
With a history of engineering ingenuity and manufacturing innovation, Felsomat has become a world leader in automated gear manufacturing.
Graphical support for process optimization in bevel gear cutting leads to increased machine performance and longer cutting tool life.
An examination of how standards for bevel and hypoid gearing benefit from the latest achievements in gearing theory.
Finite element gear cutting simulation helps identify process solutions more quickly than conventional trial-and-error testing.
With a recent collaboration with a maker of cross wedge rolling machines, Heiko Machine Tools LLC is poised to offer its customers high-end equipment for the metal-forming industry.
Price and the ability to offer a much larger design window are making manufacturers look to powder metal gears as a solution for high-performance gears.
Chamfering and deburring are finally getting the respect they deserve, as manufacturers devise ingenious new ways to take the pain out of applying these important auxiliary processes.
Join us at Gear Expo 2017, THE Drive Technology Show, where you’ll be introduced to exciting new products, technology and services tailored to the drive technology and power transmission industry. The show happens only once every two years, so don’t miss it!
ASI continues to expand its testing, engineering, and manufacturing capabilities through cost-effective design and manufacturing of increasingly sophisticated electromechanical systems for its expanding customer base in the medical mobility, material handling, and floor-care markets.
Pre-nitriding is a technology that addresses grain growth and creates a finer grain structure in the carburized case at higher temperatures. Case studies show how carburizing productivity has doubled, and sometimes tripled, using pre-nitriding.
A comparison of tooth interior fatigue fracture load capacity with the predicted bending and pitting fatigue capacities, as calculated according to standards. Effects of several methods that can be used to mitigate TIFF risk are evaluated based on their performance, with respect to the other failure modes.
Modern thinking has shown that machine tools and tooling can’t be seen as separate entities.
Understanding the pros and cons of bearing types for industrial gearboxes and monitoring bearings once in service can help contribute to successful application outcomes.
Self-improvement and further education are necessary tools when it comes to succeeding in the gear industry.
Great Lakes regional sales manager for Hainbuch America Workholding Technology
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 family-owned company.
An experimental study, with variables including superfinishing, coated gear teeth, and two different lubricants, evaluates the effective coefficient of friction in a gear mesh, resulting in a parameter that could be utilized in estimating frictional losses in a gearbox.
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 to not only the end user but also to all involved in the purchase, design, commissioning, application, and maintenance.
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 machine configuration. A calculation example for small-pitch worm screws shows that a manufacturing cycle time can be reduced with the WSPS process.
With a motto of “If you’re not looking ahead, you’re already behind” and a focus on customer satisfaction, quality, and innovation, Advanced Jiffy Machine Products is a custom gear manufacturer that’s continuously increasing its capacity and efficiency.
Review of Microstructure and Properties of Non-Ferrous Alloys for Worm Gear Application and Advantages of Centrifugally Cast Gears
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 presented, as well as results from mechanical tests and microstructural studies comparing the centrifugally cast and static-cast gear bronze (tin bronze) alloy.
Demands for higher loads, complex geometries, flexibility for change, and predictable materials are moving the transmission test stand industry away from fabrications to lost foam casting.
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.
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 ability to meet customer needs for small- to medium-sized precision gears with shorter lead times while maintaining high quality standards.
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 key benefits.
General guidelines and simple mathematics, including ways to calculate spindle speeds, are presented to assist manufacturing engineers and decision-makers in determining if power skiving is a viable solution to manufacture a part.
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 speed. This paper describes the machining process and presents a case history with a comprehensive view of the time and cost benefits compared to a previous situation with standard machine tools. Geometric constraints in the worm shaft design due to the whirling process are also discussed.
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 retention, as well as having the latest equipment, processes, and training for improved efficiency.
MHI’s Machine Tool division has a long history of innovation due to the expertise and dedication of its cutting tool engineering department.
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 pronounced differentiation among fluids was observed for their impact on power loss and operating temperature.
Understanding the factors in the broach tool manufacturing process that affect performance can save time and money.
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 gear hobbing machines for micro-gear customers in a range of industries.
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 number of teeth to reproduce a new gear with equivalent mechanical characteristics in simulation.
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 collection and without changing process parameters.
Influence of Contact Conditions on the Onset of Micropitting in Rolling-Sliding Contacts Pertinent to Gear Applications
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 increasing the slide-roll ratio increases the extent of micropitting; however, the mechanisms responsible for this are not related to any potential effects of the slide-roll ratio on the prevalent film thickness, but rather to the increased number of asperity stress cycles at higher slide-roll ratios.
For over 40 years, B&R Machine and Gear Corporation has been providing small-batch, high-precision gearing. It prides itself on offering personal customer service while leading the industry as a full-service gear manufacturing facility.
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 design relevant engineering analysis of the potential for a gear failure due to bending fatigue in the root or flank or rolling/sliding contact fatigue of the gear tooth face.
This paper suggests two ways to calculate a load reversal factor that would be material-specific, based either on Modified Goodman or Gerber failure theories, and further provides a method of calculating the reliability factors that closely match the AGMA tables found in ANSI/AGMA 2101-D04.
Optimizing Gear Macro and Microgeometry To Minimize Whine and Maximize Robustness for a Diesel Engine Application
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 micropitting) safety factors are not compromised.