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Inspection & Metrology: Laser interferometry – An enabling technology for optimized automated manufacturing

Technological advances over recent years have elevated metrology from being a “necessary evil” in manufacturing scenarios to enabling technologies, allowing the measurement of previously...

Tooling & Workholding: Why precision clamping matters

Precision clamping devices can be custom designed for applications and can vary over a wide range of industries. David Jones, precision workholding manager for...

Tooling & Workholding: Improving tool holder performance

The four critical requirements for tool holders are clamping force, concentricity, rigidity, and balance for high-spindle speeds. When these factors are dialed in just...

Why selective plating stops gears from grinding to a halt

When problems occur with gears, maintenance engineers know how much of a headache they can be to fix. During the manufacturing stage, despite all...

Optimization of asymmetric tooth root generated with protuberance hob

The Direct Gear Design method optimizes various parameters and elements of gear tooth geometry to achieve the required gear-drive performance. One such critical...

Long hob cost savings over the length of a job

Manufacturers consider many factors when shopping for a gear hob solution: What material is being cut? What is the pitch of the part? Will...

Conjugate Action Law in Intersected-Axes Gear Pairs and in Crossed-Axes Gear Pairs

The article deals with the kinematics and the geometry of geometrically-accurate gearing (with perfect gearing). Considered at the beginning for parallel-axes involute gearing, conjugate...

Gearwheel manufacturing in a 34-second cycle

Minimizing production times to ensure competitiveness is one of the most important challenges in the automotive industry — Henry Ford already recognized this over...

Performance and properties of a new alternative gear steel

In the ongoing strive for light weighting or power densification, high-performance clean steels are showing a significant improvement. As a next step, gear steels...

Micro-skiving – (r)evolution of a known production process

Production of internally toothed gear wheels is possible in many different ways. Different techniques such as gashing, broaching, wire EDM, or shaving make it...

Chamfer Hobbing Tools Up

In the last few years, chamfering and deburring have gained new respect and risen to a level of importance equal to that of other...

Opportunities of Efficiency Improvement by the Use of Hydro Lubricants

1 Introduction Although different base oil types exist in the market and are widely in use, the majority of industrial lubricants are still based on...

Advantages of flat broaching machines

A broaching machine requires precision broaching tools to increase productivity and efficiency. New broaching tools can be expensive and difficult to customize. Continuous use quickly...

Reliability of gears: Determination of statistically validated material strength numbers

One of the most important goals when designing a gearbox is to ensure a sufficient reliability in operation. Depending on the field of application,...

Understanding the mounting distance: Crossed-axes gearing (hypoid gearing)

Mounting distance is one of the most critical design parameters in crossed-axes gearing (in hypoid gearing, spiroid gearing, and so forth). In this article,...

Integrated Approach for Gear Testing of High-Performance Clean Steels

The power density of gearboxes is continuously increased by different research activities. Besides new material developments, the cleanliness of steels comes to the forefront...

High-end coating can increase gear-cutting productivity

The machining industry’s demand for increased productivity and reduced costs continues to drive developments that focus on innovative, state-of-the-art tools and cutting materials as...

Reducing Tool Wear in Spiral Bevel Gear Machining with the Finite Element Method

Due to the complexity of spiral bevel gear machining, the cutting tools can be a significant cost of gear manufacturing. Unlike the price of...

Experimental tests to predict plastic gears’ lifetime

One of the major problems of plastic gears is the lack of data about their lifetime. Literature doesn’t contain numerous data on this subject....

Understanding the mounting distance: Intersected-axes gearing (bevel gearing)

Mounting distance is one of the most critical design parameters in intersected-axes gearing (in straight bevel gearing, spiral bevel gearing, and so forth). In...
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