Oriental Motor now sells a new PKP Series stepper motor. The offering includes a 51-mm (2.0-in.) frame size harmonic gearhead for the 42-mm (1.65-in.) PKP Series 2-phase Flat Type motor. This new combination compliments the 60 mm (2.36 in.) PKP Series Flat Type which is available with a Harmonic gearhead or round shaft. Both frame […]
What is hunting in the context of motion control and how is it addressed?
When a linear or rotary axis must follow a predefined move profile to reach or maintain a precise position, speed, or torque, a closed-loop servo system is often the best choice. Feedback from an encoder — mounted on the motor or directly on the axis — provides information regarding the system’s actual state (position, speed, […]
Video: Yaskawa GA800 ac drive for industrial applications
In a recent Design World video with my super-smooth colleague Mike Santora, I got the chance to play with a GA800 ac drive demo from Yaskawa America Inc. This VFD includes network communications, embedded functional safety, and easy-to-use tools (including a smartphone app) for configuration and remote access. Yaskawa sent us a sample of the […]
Video: What is a torque limiter?
Torque limiters are mechanical and electromechanical power-transmission devices that protect machine sections (or workpieces they’re servicing) from overloads, crashes, and damage from jams. Torque limiters work either by slipping or completely disconnecting the drive from the driven load. Some torque limiters of the former type (especially those employing friction plates) are also called slip clutches. […]
Capacitive incremental encoders support shaft sizes to 5/8 in.
CUI’s Motion Group has added a new series to its AMT incremental encoder family designed to support larger motor shaft sizes from 9 mm to 15.875 mm (5/8 in.). The AMT13 series, based on CUI’s proprietary capacitive ASIC technology, brings the same high levels of durability, accuracy, and immunity to environmental particulates as current AMT […]
B&R safety controller boosts intelligent safety for mobile equipment
The X90 control and I/O system for mobile equipment is now available with integrated safety technology. Intelligent safety functions and extremely short response times are the key to a whole new realm of possibilities for the safe operation of outdoor plants and mobile machinery. The control system meets the ISO 13849 mobile machinery requirements up […]
What is safe motion monitoring?
Machines and equipment placed on the European market must conform with essential health and safety requirements of the Machinery Directive. The Directive specifies that manufacturers of machines and equipment must conduct a risk assessment and implement measures to eliminate or reduce hazards that pose a risk to people, equipment, product, or the environment. These hazards […]
What ancient myths can teach us about today’s technology
Miles Budimir • Senior Editor As our editorial team was preparing this year’s Motion Systems Handbook, covering the basics of motion technologies as well as their ongoing evolution, I began to wonder about the origins of the technology we cover. This got me thinking about the idea of control systems and automation more generally. This […]
What is the Machinery Directive and how does it relate to motion system safety?
Machines and equipment placed on the EU market must be CE-marked, indicating conformity with the essential safety and health requirements of the Machinery Directive. The Machinery Directive 2006/42/EC is a set of legal requirements for manufacturers and distributors of machines in or to the EU market that ensures the safety of operators, maintenance personnel, equipment, and […]
Getting to the point in precision
A new measurement concept aims to set a standard that promises to get at real-world levels of precision in motion control systems. Bill Hennessey • CEO/Founder • ALIO Industries Technological advancements often require a root and branch change in the language and nature of discussion associated with them. Consider the case of electricity. When it […]
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