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Investigation on the wear of spur gears generated by a modified cutter

Tooth surface wear damage is one of the main causes of gearing system failure. Excessive wear leads to tooth profile loss and an increase...

Small worm – great potential

Gearboxes used in electric vehicles are not only designed for high speeds and high torques, they are also very compact. This is not only...

The advantages of shifting from machining to grinding gears for EV

With the ever-increasing cost of gasoline and growing desire to help the environment, it is no wonder that the move to electric vehicles is...

Benchmarking photo chemical etching for precision metal applications

There are numerous metal cutting technologies available to OEMs, including  everything from oxyfuel cutting, plasma cutting, all the way through to laser cutting, punching,...

An accurate method of generating tool paths for helical gears

To manufacture gears, special machine tools and corresponding processes such as hobbing, shaping, planing, profile milling, and broaching are usually needed. However, the huge...

Another breakthrough in power skiving

For the past decade, Gleason has been building power-skiving machines at its Gleason-Pfauter facility in Ludwigsburg, Germany. As the many benefits of this technology...

Equipment-as-a-service: Understanding all the moving parts

By this point, those within the industrial market have likely heard the buzz surrounding equipment-as-a-service (EaaS). This model has been around in one form...

Transient friction and wear simulation of worm gears during running-in

The load capacity of worm gears strongly depends on the size of the contact pattern. Worm wheels are often manufactured by using an oversized...

Combined lubrication of surface texturing and copper covering for a broaching tool

The broaching tool is an efficient and precisely heavy-loaded metal-cutting tool, widely used in the mass production of key components related to the aerospace...

Integrated optimization of gear design and manufacturing

The word “optimization” is becoming fashionable, also with regard to gear design. It is applied to both macro-geometry and micro-geometry. The approach can be...

Modeling tools for gear design and failure prevention

Evidence for the production of toothed wheels, better known as gears, can be traced back as early as the third century BCE . Over...

In gear with metrology

The gear is one of the most widely used manufacturing parts in the world. The number of real-world applications of gears is nearly limitless:...

Comparative study of the usage of SAE 8620 and EN 36C in an automotive...

An automotive differential gearbox is a critical component of the powertrain involved in the transmission of power and its appropriate distribution to the wheels....

Case study: Heading to the High Torque© finish line

More than most industries, today’s aerospace, defense, and automotive-component manufacturing is challenged with machining a lot of exotic alloys and hard metals. This can...

Service life of cylindrical and bevel gears under variable load and stresses

Transmissions are usually loaded by variable external loads under real operating conditions. The decisive load for a gearbox is in most cases the applied...

Comparison of strength ratings of plastic gears by VDI 2736 and JIS B 1759

The demand for strength ratings for plastic gears has been consistently increasing. However, there are no international standards such as ISO, DIN, or AGMA,...

Women in manufacturing: Diversifying the industry

You don’t have to go very far back in time to find a point where the role of women in the manufacturing sector was...

Latest advances in chamfer hobbing

While not considered a “value adding” process such as hobbing and fine finishing, cylindrical gear chamfering and deburring are getting the recognition they have...

Deburring with CNC machining

Delta Machine Company, LLC — based in Huntington Beach, California — is a machine shop specializing in complex, tight tolerance parts made of titanium,...

Detecting cracks in PM green products using laser vibrometry

Cracking of green parts in powder metallurgy (PM) is a big concern in the PM industry. Detection of cracks in green parts before sintering...