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The following article looks at the latest news on servo motors, drives and motors. How do we differentiate between the definitions? What can design engineers find between a stepper and a servo motor? Also, a quick update this summer on the benefits of closed-loop motor control.
The Hannover Messe USA show floor will feature more than 300 companies that are giving attendees access to newly emerging solutions across the entire value-added supply chain.
Bosch Rexroth is now offering linear modules for small handling applications with its new SHB and SHL models. These modules are suitable for more than factory automation; they are designed for lighter load applications, such as in medical labs, universities and vision systems. With simple USB to laptop connectivity, monitoring and controlling are easy to achieve.
ABB recently announced it has signed an agreement to purchase Siemens’ low voltage NEMA motor business. With manufacturing operations in Guadalajara, Mexico, this acquisition provides a well-regarded product portfolio, a longstanding North American customer base, and an experienced operations, sales, and management team. The business employs around 600 people and generated revenues of approximately $63 million in 2021. Financial terms of the transaction were not disclosed. The transaction is expected to close in the second quarter of 2023.
The Power Transmission Distributors Association (PTDA), the leading association for the industrial power transmission/motion control (PT/MC) distribution channel, welcomes a new member company, MEM Industrial.
Force Control Industries presents a maintenance-free, no-adjustment crane brake that virtually eliminates crane downtime as well as the need to perform maintenance and adjustment at height. The MagnaShear motor brake employs oil shear technology, providing longer service life in demanding applications like the frequent start/stop cycles seen on cranes, hoists, and winches.
Electric steel is used heavily in the manufacturing of electric motors. The material is key to producing the electromagnetic field used to turn the rotor. Without the electromagnetic properties associated with this iron alloy, the performance of electric motors would be substantially compromised. Historically, motors used in commercial and industrial applications have represented a major customer base for electric steel suppliers, and motor vendors have resultingly had little difficultly ensuring prioritized supply lines. However, the share of business held by commercial and industrial electric motor vendors is being threatened by the automotive sector in the wake of electric vehicles.
Growth in the global linear market is being driven by both increased demand across key industries and the clear advantages of linear motors over conventional motors. Within this segment, the contribution of ANCA Motion’s LinX M-Series linear motor has expanded the market and stands out above ball screw and flatbed motor options due to several design intricacies that simplify installation and use and push quality performance even further. Designed for function, the tubular construction of the LinX has several key benefits over flat linear motors.
AD is pleased to announce it has hired Kristen Abbas as vice president, AD Network Community, effective August 1, 2022. As VP, AD Network Community, Abbas will be responsible for managing, implementing, innovating, and expanding AD’s meeting and network ecosystem including additional opportunities for peer-to-peer engagement opportunities for AD members. Abbas will report to Marty McLaughlin, chief marketing officer.
A quick search of the patents issued, as well as a review of recent articles, shows a wide range of what authors call “servo stepper motors,” “closed-loop step motors,” “hybrid servo motors” and the like. Although the names may sound similar, the performance can vary quite substantially. Most of the “closed-loop stepper motors” are not actually servo motors!