Power Transmission

A continuously variable transmission, in theory, has an unlimited number of gear ratios between the highest and lowest settings.

Highly flexible TOK couplings connect combustion engines to dynamometers for testing and evaluation.

Massive forging presses use large-diameter, prestressed columns to distribute working loads.

Mechanical torque limiters from Zero-Max, Plymouth, Minn., prevent overloads and jam-ups in automated filling systems, without cumbersome shear pins and complex arrays of electronic limit switches.

Several years ago in this column I questioned whether linear guideways had become a commodity, noting key engineering differences between various designs and their effect on performance and reliability.

Many brakes rely on external encoder/decoders, which increases the overall size of the braking system and adds complexity.

A new flexibleshaft and bevelgear catalog contains 88 pages of information on flexible shafts and assemblies, spiral-bevel gears, and electric/pneumatic motors.

A line of nylon and industrial-grade polypropylene camoperated couplings has been expanded with the addition of two new materials: PVDF and foodgrade-polypropylene.

Developing high-precision custom gearing from scratch is expensive and can take nearly a year.

The EC20 clutch-brake provides stopping and holding torque in addition to clutching.

The SLS and SLF Series of industry-standard support bearing assemblies provide cost savings as they eliminate design and assembly time.

The Aero-Mechanical Conveyor moves cohesive powders and other materials without degrading them or the equipment by fluidizing them in an air stream.

C-Cure Edge open-mesh, stainless-steel wire belting is designed with closed-loop ends to eliminate tangling during shipping, storage, installation, and daily operation, as well as minimize risk of accidents from sharp or burred opened edges.

Throttle controls on ships and tankers traditionally employ a relay signal to a device in the engine room that actually controls fuel flow and how fast the ship's engine turns.

Small cable carriers are designed to handle applications with tight space restrictions and small bending radii.