The use of variable-frequency drives (VFDs) to control ac motors has increased dramatically in recent years In addition to their low operating cost and high performance they save energy Today the challenge facing system designers and engineers Learn more

Microprocessor-based digital Model MD10P provides closed-loop speed control for dc motors up to 2 hp Control is suited for applications requiring long-term accuracy and precise speed control such as conveyor cooking and drying ovens as well as Learn more

It was his work in the film Winning that gave Paul Newman his introduction to racing That was in 1968.In those days Paul Newman the actor was making three or more motion pictures a year It took him several years to really get going with racing.It Learn more

Ball bearings in electric motors support and locate the rotor keep the air gap small and consistent and transfer loads from the shaft to the motor frame When a stray current in a machine uses a bearing as its path to ground the resulting damage Learn more

Peristaltic pumps have become one of the fastest-growing types of positive displacement pumps in the worldwide marketplace These "tubing pumps" traditionally were used almost exclusively for fluid-handling applications in the medical lab But Learn more

Available with air motors or electric motors 1000 Series can be equipped to have proof of return signal provided by drill itself DC motors are also available which have adjustable rpm rate for optimal accuracy Measuring 12 x 4 x 4 in. series is Learn more

For years the workhorse for industrial and commercial material handling of heavy loads has been the forklift with an internal combustion (IC) power plant Accepted as a necessary evil are the noise emissions and performance limitations of Learn more

Miniature Series 3013 comprises 6 models with maximum airflow of 1.3 mL/min pressure of 6.5 psi and vacuum of 11.8 in Hg It offers quiet operation and ability to restart under pressure or vacuum Permanent magnet or brushless dc motors are offered Learn more

ABB Review Special Report 2004 covers the market-leading technologies from its motors and drives business ABB's motor and drive product range is used in major industries from power generation to household appliances windmills to cruise ships Learn more

There are two main ways to monitor absolute shaft position encoders and resolvers Resolvers are the older technology but their ruggedness allows them to survive where other devices could not Encoders being inherently digital have become the method Learn more