POSITAL has expanded its portfolio of rotary encoders and inclinometers (tilt sensors) to include more devices with IP69K level environmental protection. These sensors, which are designed to stand up to repeated exposure to the hot, high-temperature water jets used in pressure washing systems, are now available with a wider range of mechanical options and communications […]
What function do thermistors and KTY sensors serve in motors and gearmotors?
One of the most important operating parameters of motor and gearmotor operation is the temperature of the motor windings. Motor heating is caused by mechanical, electrical, and copper losses, as well as heat transferred to the motor from external sources, including the ambient temperature and surrounding equipment. If the temperature of the motor windings surpasses the […]
Heads or tails? A look at conveyor drive options
Conveyors are extremely versatile systems used for delivering bulk or discrete materials through processing operations or along assembly lines. One of the attributes that makes them so versatile is their ability to be configured in almost any layout imaginable, with curves, inclines or declines, and 90° or 180° turns to form complex travel paths. Another […]
What is an equivalent circuit and how is it used?
When analyzing electrical circuits — including those for AC induction motors and DC motors — if the circuit contains two or more of the same passive elements (such as resistors) and is wired exclusively in series or exclusively in parallel, the circuit can be drawn with a simpler representation that contains the voltage source and a […]
New Flextrac series conveyors from QC Conveyors tackles curves and elevation changes
QC Conveyors now serves more markets and applications with its new Flextrac Series modular plastic chain conveyors. Their space-saving modular design lets the conveyors handle the challenges of factory automation applications — whether fitting into new spaces or integrating existing machinery. Each Flextrac Series Conveyor consists of modular straight sections, horizontal curves, and vertical bends […]
New matched motor-drive motion system from Kollmorgen
Kollmorgen’s new 2G Motion System is a servo solution based on the latest thinking about single-source, systems-based design. The 2G Motion System was designed specifically to harness the performance capabilities of Kollmorgen’s AKD2G servo drive and AKM2G servo motor. Motor and drive are precisely matched in every element (e.g. drive switching frequency, commutation algorithms, motor […]
Selecting miniature motors for surgical devices
By Keith Halbert, PhD • Portescap || Device makers and surgeons have for decades relied on sterilizable brushless direct current (BLDC) motors to meet the torque, speed, and reliability requirements of surgical handtools. Now surgical robotics are leveraging these same capabilities. Today’s surgical robotics and robotically-assisted surgical devices often require BLDC motors to meet demanding […]
SEW-EURODRIVE P-Series planetary gear unit
The P-Series planetary gear unit from SEW-EURODRIVE is available in 11 sizes and offers compact, torque-dense solutions for a wide variety of applications and industries. Built on SEW-EURODRIVE’s modular component foundation, the P-Series is available in a wide range of torque and gear ratio combinations. Consisting of a 7-series gearmotor mounted in front of a […]
ACE Controls dampers improve doors on high-end tractor cabs
Key Dollar Cab manufactures tractor cabs for an array of orchard-farm tractor models. In fact, Key Dollar Cab has been innovating and improving these designs since 1982 — leveraging new technologies to make the cabs ever safer and more comfortable for tractor operators. For their newest orchard tractor cabs, Key Dollar Cab wanted a very […]
What is a tuned mass damper and how is it used in motion control?
Vibrations in machinery can lead to a premature wear of components, poor quality machine output (parts out of spec, unacceptable finishes), and even damage to the product or failure of the machine. This is why most industrial equipment employs some method of vibration mitigation to reduce or prevent vibrations that could be detrimental to the […]
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