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Related Companies

All Metals & Forge Group, LLC
All Metals & Forge produces rings, flanges, gear blanks, single and double hubs, trunnions, bevel gear blanks, couplings, seamless rolled rings, rims, center hubs, sleeves, gear blanks, discs (pancake forgings), pinion shafts, step-downs, spindles, rack forgings in gear quality carbon and alloy steels with through-hardening, carburizing and bearing quality grades with forged-in steps to save on machining. Shafts are available up to 45-feet-long and 50,000 pounds and the company can produce part weights from under 100 pounds to more than 30 tons for the gear industry.

KISSsoft USA LLC
The KISSsoft calculation program has been developed to focus on the needs of mechanical engineers and power transmission profes

Stresstech Oy
Stresstech provides products and services for process control and quality inspection of gears, camshafts,crankshafts, bearings, valves, etc. Applications for monitoring various manufacturing processes, such as grinding, super finishing, shot peening, heat treatment, case depth after case hardening, etc. Turnkey solutions, instruments and measurement services based on Barkhausen Noise (BN), X-ray Diffraction (XRD) and hole-drilling for studying residual stresses, retained austenite contents, grinding burns, heat treat defects, and hardness changes, welding stresses, etc. Applications for the automotive, machine and aerospace industries.

Related Power Transmission Categories

C-V Joints-Driveshafts
Flexible Shafts
Geared Shafts
Splined Shafts

Related Power Transmission Companies

DieQua Corp.
Thanks for checking us out! Diequa is a manufacturer and supplier of a wide range of premium quality power transmission and motion control gear drive and connecting components designed specifically to enhance the performance of your machine designs. These include speed reducers, gearmotors, servo planetary reducers, spiral bevel gearboxes, shaft phasing gearboxes, shaft couplings, torque limiters, and screw jack lifting systems.

Lafert North America
Your best source for metric motors, gearboxes and coolant pumps, by providing quality products with the highest level of service in the industry.

R+W America
Over the past 20+ years R+W has developed into a world leader in precision shaft couplings for torsional rigidity, vibration damping, and overload protection. Whether for micro motors or 10 megawatt drives, R+W couplings are customizable for most applications, while many standard models ship from stock. Configurable CAD models are available in a large number of file formats at www.rw-america.com

Rush Gears Inc.
Manufacturer of Custom and Standard Industrial Gears. Inch and Metric Gears. Steel Gears, Plastic Gears and Stainless Steel Gears. Spur Gears, Helical Gears, Worm & Worm Gears, Gear Rack, Gear Stock & Pinions, Geared Shafts, Splines & Spline Shaft...

ZZN Transmission Plant
The ZZN Transmission Plant has over 30 years of experience in manufacturing powertrain components. Its production facilities and highly qualified staff guarantee the world’s top quality products. Numerically controlled machines, machining centers, electron beam vacuum welding center and modern heat treatment equipment enable the manufacture of high quality products.

Articles About shafts


1 Austempered Gears and Shafts: Tough Solutions (March/April 2001)

Aurstempered irons and steels offer the design engineer alternatives to conventional material/process combinations. Depending on the material and the application, austempering may provide the producers of gear and shafts with the following benefits: ease of manufacturing, increased bending and/or contact fatigue strength, better wear resistance or enhanced dampening characteristics resulting in lower noise. Austempered materials have been used to improve the performance of gears and shafts in many applications in a wide range of industries.

2 Gears for Nonparallel Shafts (September/October 1986)

Transmission of power between nonparallel shafts is inherently more difficult than transmission between parallel shafts, but is justified when it saves space and results in more compact, more balanced designs. Where axial space is limited compared to radial space, angular drives are preferred despite their higher initial cost. For this reason, angular gear motors and worm gear drives are used extensively in preference to parallel shaft drives, particularly where couplings, brakes, and adjustable mountings add to the axial space problem of parallel shaft speed reducers.

3 Optimization of a Process Chain for Gear Shaft Manufacturing (March/April 2013)

The research presented here is part of an ongoing (six years to date) project of the Cluster of Excellence (CoE). CoE is a faculty-wide group of researchers from RWTH Aachen University in Aachen (North Rhine-Westphalia). This presentation is a result of the group’s examination of "integrative production technology for high-wage countries," in which a shaft for a dual-clutch gearbox is developed.

4 Multi-Metal Composite Gear-Shaft Technology (January/February 1995)

A research program, conducted in conjunction with a U.S. Army contract, has resulted in the development of manufacturing technology to produce a multi-metal composite gear/shaft representing a substantial weight savings compared to a solid steel component. Inertia welding is used to join a steel outer ring to a light-weight titanium alloy web and/or shaft through the use of a suitable interlayer material such as aluminum.

5 Controlling Tooth Loads In Helical Gears (March/April 1986)

Helical gears can drive either nonparallel or parallel shafts. When these gears are used with nonparallel shafts, the contact is a point, and the design and manufacturing requirements are less critical than for gears driving parallel shafts.

6 Tooth Contact Shift in Loaded Spiral Bevel Gears (November/December 1992)

An analytical method is presented to predict the shifts of the contact ellipses on spiral bevel gear teeth under load. The contact ellipse shift is the motion of the point to its location under load. The shifts are due to the elastic motions of the gear and pinion supporting shafts and bearings. The calculations include the elastic deflections of the gear shafts and the deflections of the four shaft bearings. The method assumes that the surface curvature of each tooth is constant near the unloaded pitch point. Results from these calculations will help designers reduce transmission weight without seriously reducing transmission performance.

7 Shaper Cutters-Design & Applications Part 1 (March/April 1990)

Gear shaping is one of the most popular production choices in gear manufacturing. While the gear shaping process is really the most versatile of all the gear manufacturing methods and can cut a wide variety of gears, certain types of gears can only be cut by this process. These are gears closely adjacent to shoulders; gears adjacent to other gears, such as on countershafts; internal gears, either open or blind ended; crown or face gears; herringbone gears of the solid configuration of with a small center groove; rack; parts with filled-in spaces or teeth, such as are used in some clutches.

8 Cylkro Gears: An Alternative in Mechanical Power Transmission (May/June 1996)

Bevel gears have been the standard for several decades in situations where power transmission has to occur between shafts mounted at a given angle. Now a new approach has been developed that challenges the bevel gear's de facto monopoly in such applications. The concept is based on the principle of the crown gear; i.e., a cylindrical pinion mates with a face gear. Crown Gear B.V. in Enschede, Holland, is the developer of these specialty gear teeth, which are marketed under the trade name Cylkro.

9 Worm Gear Measurement (September/October 1997)

Several articles have appeared in this publication in recent years dealing with the principles and ways in which the inspection of gears can be carried out, but these have dealt chiefly with spur, helical and bevel gearing, whereas worm gearing, while sharing certain common features, also requires an emphasis in certain areas that cause it to stand apart. For example, while worm gears transmit motion between nonparallel shafts, as do bevel and hypoid gears, they usually incorporate much higher ratios and are used in applications for which bevel would not be considered, including drives for rotary and indexing tables in machine tools, where close tolerance of positioning and backlash elimination are critical, and in situations where accuracy of pitch and profile are necessary for uniform transmission at speed, such as elevators, turbine governor drives and speed increasers, where worm gears can operate at up to 24,000 rpm.

10 Light Weight Assembled Gears - A Green Design Solution (May 2013)

It is widely recognized that the reduction of CO2 requires consistent light-weight design of the entire vehicle. Likewise, the trend towards electric cars requires light-weight design to compensate for the additional weight of battery systems. The need for weight reduction is also present regarding vehicle transmissions. Besides the design of the gearbox housing, rotating masses such as gear wheels and shafts have a significant impact on fuel consumption. The current technology shows little potential of gear weight reduction due to the trade-off between mass optimization and the manufacturing process. Gears are usually forged followed or not by teeth cutting operation.

11 Spur Gear Fundamentals (January/February 1989)

Gears are toothed wheels used primarily to transmit motion and power between rotating shafts. Gearing is an assembly of two or more gears. The most durable of all mechanical drives, gearing can transmit high power at efficiencies approaching 0.99 and with long service life. As precision machine elements gears must be designed.

12 Finishing of Gears by Ausforming (November/December 1987)

Almost all machines or mechanical systems contain precision contact elements such as bearings, cams, rears, shafts, splines and rollers. These components have two important common requirements: first, they must possess sufficient mechanical properties, such as, high hardness, fatigue strength and wear resistance to maximize their performance and life; second, they must be finished to close dimensional tolerances to minimize noise, vibration and fatigue loading.

13 KISSsoft Update Integrates Parasolid CAD Core (May 2010)

The machine element package by KISSsoft for the design and optimization of components like gears, shafts, bearings and others is now available in the new version 04/2010.

14 Beveloid & Hypoloid Gears (May 2011)

Beveloids are helical gears with nonparallel shafts, with shaft angles generally between 5 degrees and 15 degrees. This is part VI in the Tribology Aspects in Angular Transmission Systems Series

15 Philly Gear: A Long Life, A New Direction (January/February 2004)

Large marine gearboxes. More than a year in production, each weighing 125,000 pounds, the gearboxes were for U.S. Navy amphibious ships, for combining the power of 10,000 hp diesel engines to drive propeller shafts. They were also the last major gear products shipped from Philadelphia Gear Corp.’s King of Prussia factory.

16 Longitudinal Load Distribution Factor for Straddle- and Overhang-Mounted Spur Gears (July/August 1987)

A pair of spur gears generally has an effective lead error which is caused, not only by manufacturing and assembling errors, but also by the deformations of shafts, bearings and housings due to the transmitted load. The longitudinal load distribution on a contact line of the teeth of the gears is not uniform because of the effective lead error.

17 The Effect of Flexible Components on the Durability, Whine, Rattle and Efficiency of an Automotive Transaxle Geartrain System (November/December 2009)

Gear engineers have long recognized the importance of considering system factors when analyzing a single pair of gears in mesh. These factors include important considerations such as load sharing in multi-mesh geartrains and bearing clearances, in addition to the effects of flexible components such as housings, gear blanks, shafts and carriers for planetary geartrains. However, in recent years, transmission systems have become increasingly complex—with higher numbers of gears and components—while the quality requirements and expectations in terms of durability, gear whine, rattle and efficiency have increased accordingly.

News Items About shafts

1 Sterling Instrument’s Anti-Backlash Gears Eliminate Marred Shafts (March 10, 2006)
A new series of 1158 anti-backlash gears manufactured by Sterling Instruments feature the Fairloc integral hub fastening system, which el... Read News

2 United Grinding?s Newest Machine Grinds Shafts and Chucked Workpieces (April 11, 2006)
[photo] The Studen S242 from United Grinding is designed for the hard turning and grinding of high-precision applications for both shaf... Read News

3 Tester Measures Camshafts with Gears (October 10, 2011)
An upgraded camshaft measuring machine that is designed with a wide diameter offset follower to accommodate larger diameter cams with bui... Read News