Motion and Controls Reference Materials
Reference Articles 1901 - 2000 of 2136
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Proper Motor Brush Selection When Brush Life is a Concern
From: Groschopp, Inc.Description: One of the most critical parts of this type of motor is the interface between the brushes and the commutator. Poor material selection and improper design considerations can affect both the life and ...
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Selecting a Gearmotor in 4 Simple Steps
From: Groschopp, Inc.Description: For design engineers in the process of selecting components for an application the motor or gearmotor can be one of the more difficult components to source. There are several key design parameters ...
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Window Sash Assembly Machine
From: TRM International Ltd.Description: Our client manufactures custom made machines for different industries, this time he had a request to build a machine to make Sash Windows faster therefore production costs.. ...
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Gearmotor Output Power & System Efficiency
From: Groschopp, Inc.Description: When specifying and selecting a gearmotor, it is critical to know and understand the gearmotor system power, not just the motor power. When specifying or selecting a gearmotor for an OEM application, ...
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AHTS Tug Ship, Maersk
From: Dellner Brakes ABDescription: Shaft brakes are used to stop and hold the propeller shafts in case of an emergency. Each propeller shaft is equipped with two Dellner Brakes type SKD 4x100 pressure applied caliper disc brakes ...
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Aircraft arrester system, Swedish Air Force
From: Dellner Brakes ABDescription: The brake system on each of the energy absorbers consists of two Dellner Brakes type SKD 4x75 hydraulically applied disc brakes working on a 1400 mm (55.1 in) diameter brake disc. The arrester system ...
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Archipelago ferries, Waxholm
From: Dellner Brakes ABDescription: Each propeller shaft now has installed one Dellner Brakes type SKD 65 pressure applied disc brake operating on a 600 mm (23.6 in) diameter brake disc. With 59 bar (856 psi) hydraulic pressure to each ...
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Asea Overhead Crane, Ovako Steel
From: Dellner Brakes ABDescription: OVAKO operates several ASEA cranes equipped with old ASEA spring applied, hydraulically released brakes. (ASEA no longer produces brakes). High maintenance of the old worn brakes and high spare part ...
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Case Story- Oil Drilling Rig
From: Dellner Brakes ABDescription: Each brake system consists of a Dellner Brakes type SKD 2x100 hydraulic pressure applied disc brake working on an 1160 mm (45.7 in) diameter disc and a pressure intensifier system. The brakes are ...
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Catamaran Ferry 1, Mols-Linjen
From: Dellner Brakes ABDescription: Each engine shaft is equipped with four Dellner Brakes type SKD 50 hydraulically applied disc brakes operating on two 495 mm (19.5 in) diameter discs (2 brakes per disc). The brakes are activated with ...
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Catamaran Ferry 2, Stena Line
From: Dellner Brakes ABDescription: Each of the two drive shafts is equipped with a 1150 mm (45.3 in) diameter brake disc and eight Dellner Brakes type SKD 80 hydraulically applied disc brakes. The pressure for the brakes is provided by ...
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Crane Winch, Hydramarine
From: Dellner Brakes ABDescription: Winches for two cranes with lifting capacity of 33,5 tonnes (36.8 st) respective 51,5 tonnes (56.6 st). The disc brakes work as both parking brakes as well as emergency brakes. Due to the limited ...
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Cruise Liner, Millenium
From: Dellner Brakes ABDescription: Length 294 m (321.5 yd). Propulsion power 39 MW (52,300 hp). Max speed 24 knots. Maximum number of persons on board including the crew is 3450. The brake system for each ship consists of two Dellner ...
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Dover Harbour
From: Dellner Brakes ABDescription: Emergency/parking brakes for hoisting winch drives on a ro-ro catamaran ferry bridge. The purpose of the brakes is to hold the bridge between the dock and catamaran ferry during car and truck loading. ...
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Dredge Winch
From: Dellner Brakes ABDescription: A Dellner SKP 220 spring applied, hydraulic released caliper is mounted on each of the two Ridderinkhof swing winches on this Vosta LMG built CSD for end user Arab Potash at the Dead Sea in Jordania. ...
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Hellenic Navy - Gun Boats
From: Dellner Brakes ABDescription: Each of the eleven vessels is powered by 2 x Wärtsilä 16V25 main diesel engines which provide a total propulsion power of 7360 kW (10000 bhp). Each propeller shaft is equipped with a shaft brake ...
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Mine Winch, Canada
From: Dellner Brakes ABDescription: The purpose of the brakes is to slow down and/or stop the elevator during an emergency. The application consists of four Dellner brakes type SKP 95-27 spring applied, hydraulically released disc ...
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Multi-purpose Vessels, Swedish Coastguard
From: Dellner Brakes ABDescription: Each propeller shaft is equipped with a Dellner Brakes model SKD 2x100 hydraulic pressure applied disc brake operating on a ø 750 mm (29.5 in) brake disc which provides a brake torque of 28 400 Nm ...
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NorthLink Ferries
From: Dellner Brakes ABDescription: Each propeller shaft is equipped with a Dellner Brakes model SKD 4x100 pressure applied disc brake operating on a ø1050 mm (41.3 in) brake disc. The primary function of the brake is to hold the ...
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Ocean Liner Queen Mary 2
From: Dellner Brakes ABDescription: The propulsion brake systems on Queen Mary 2 consists of four Dellner model SKD 100 hydraulic pressure applied brakes working on a brake disc ø1300 mm (51.18 in). Each Mermaid Pod uses this system, ...
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Offshore winch, Statoil
From: Dellner Brakes ABDescription: In 1997, deck machinery was delivered to Statoil´s oil rig Norne, 200 km (125 mi) off the Norwegian coast. Similar deck machinery was also delivered to the oil rigs Åsgard, Visund and Troll. Dellner ...
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Oilfield Tracked Vibrator Vehicle
From: Dellner Brakes ABDescription: Four Dellner Brakes type SKD 80 hydraulic pressure applied brakes installed to operate on 4 x 610 mm (4 x 24 in) diameter discs. One disc per drive wheel. Special seals for low temperature (-45 °C/-50 ...
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Pipelay vessel, Allseas
From: Dellner Brakes ABDescription: In the process of welding tubes/pipes to an endless pipe, Dellner brakes are mounted on the transporting system. Every time the tubes are welded together the transporting system is put on holding ...
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Sloop Rigged Sailing Yacht, Alithia
From: Dellner Brakes ABDescription: The SY Alithia has a MTU-6R 183 TE 93 main engine, rated at 441 kW (591 hp) at 2300 rpm that drives a Servogear propulsion system with controllable pitch propeller. Dellner Brakes AB supplied a ...
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Theater Winch, Stockholm Royal Opera
From: Dellner Brakes ABDescription: Side scene and stage light winches with lifting capacity of 4 and 5 metric tons (8,820 and 11,025 lb). The purpose of the brakes is to stop and hold the stage lights/side scenes at the desired height ...
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Tramvia Blau, Barcelona, Spain
From: Dellner Brakes ABDescription: Two Dellner brakes, model SKD 65 (hydraulically pressure applied brakes), are installed on each of the two tram cars. The brakes are used in junction with the existing four-level electrical brakes. ...
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UK Royal Navy, Type T45 Destroyers
From: Dellner Brakes ABDescription: Rolls-Royce will supply different packages of components to the T45 destroyers. For example, the propulsion system, which includes a brake system. The brake system consists of Dellner Brakes well ...
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Varco Oil Rig Top Drive System
From: Dellner Brakes ABDescription: The brake is used to hold back torque in the drill string to avoid motor stall and to assist with positioning the drill bit when directional drilling. Dellner Brakes model SKD 50 hydraulic pressure ...
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Case Story-Water Power Plant
From: Dellner Brakes ABDescription: Each of the horizontal turbines was refitted with Dellner Brakes type SKD 80 hydraulically applied disc brakes, which operate on 1000 mm (39.4 in) diameter brake discs. The brakes are required to slow ...
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CHOOSING AN ELECTRIC ACTUATOR COMPANY? 6 THINGS YOU NEED TO KNOW!
From: Indelac Controls, Inc.Description: The ability to choose the most appropriate electric actuator company is a key part in project or product line development. In the automation process, actuators are the heart of the system. Most of the ...
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Screw Driven Actuation, an Infographic
Description: Ball screws and lead screws are critical components in today's motion technologies. Deciding which actuation option to use for your application depends on what you need your motion system to do - what ...
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Focusing on Dark Energy
From: maxonDescription: The HETDEX project is the first major experiment to search for dark energy in the universe using a set of spectrographs to map the three-dimensional positions of one million galaxies. ...
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Humanoid Robotic Hand Moves
From: maxonDescription: The human hand is undoubtedly one of the most universal and complex tools of nature. Researchers have been studying the characteristics and special features of this evolutionary design for years. Now ...
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Robot Performance Moves NASA. Cape Canaveral Tour Guide will have Same Motors as the Mars Rover
From: maxonDescription: A versatile robot actor, created in the UK, has beaten off international competition to become the public face of NASA's world-famous Kennedy Space Center. ...
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Understanding Schmitt Triggers
Description: "The solution to these problems is to use a Schmitt trigger type device to translate the slow or noisy edges into something faster that will meet the input rise and fall specs of the following ...
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Comparison of T-LAM to Traditional Brushless Motor Technology
From: ExlarDescription: Operating the complex equipment deployed in modern mines requires judgment and skills that only can be acquired by an enormous amount of hands-on experience. Accumulating that experience in an actual ...
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Electromechanical Actuation - A Benefit for Military Vehicle Design
From: ExlarDescription: Balancing tight cost constraints, addressing program viability questions, and dealing with severe environmental variables puts military vehicle designers in a constant search for measureable, ...
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Linear actuator simplifies machine building
From: ExlarDescription: Purchase and assembly of multiple components are rendered unnecessary because this actuator combines servo motor and planetary roller screw in one compact unit. ...
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Linear Actuators Support Weapons Elevator
From: ExlarDescription: Among the most vital material handling systems in use today are those that handle weaponry for the armed forces. Case in point: In Cincinnati, Ohio, Federal Equipment Co. is manufacturing 11 ...
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Recognizing motor temperature sensor limitations
From: ExlarDescription: In the first installment of this series, "Calculating a practical hotspot safety margin", we discussed how two-parameter thermal models assume that the entire motor, including windings, exhibits one ...
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Revised Duty Cycle Calculations Using the Four-Parameter Thermal Model
From: ExlarDescription: High-performance motion control demands compact and economical servomotors. Fortunately, because most servo applications only intermittently demand maximum continuous-torque motor output, a smaller ...
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Roller Screw Actuators: Benefits, Selection and Maintenance
From: ExlarDescription: The choice of hydraulic/pneumatic or mechanical actuators always depends on the application, but if application factors are equal, the roller screw actuator has some advantages. ...
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Sizing and Applying Roller Screws
From: ExlarDescription: Operating the complex equipment deployed in modern mines requires judgement and skills that only can be acquired by an enormous amount of hands-on experience. Accumulating that experience in an actual ...
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Smaller and mightier electric actuators help advance medical applications
From: ExlarDescription: Technological advances and changes in environmental, safety, and ergonomic requirements have increased motion control options and their capabilities. ...
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Why Servomotor Temperature Sensors Can Give Misleading Readings
From: ExlarDescription: Conventional thermal models can be inaccurate enough to cause trouble when servomotors get pushed to their limits. ...
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A Practical Guide to Brushless DC Implementation
From: Dart Controls, Inc.Description: Brushless DC (BLDC) motors have the performance advantages of DC permanent magnet motors without the need for motor brush maintenance. BLDC motors have the additional advantages of very high base ...
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A Precise Solution to Motion Control Challenges
From: Thomson Industries Inc.Description: Today's motion control equipment faces tougher challenges than ever before. Conveyors, and packing, sorting, and other positioning equipment often operate 24 hours a day, seven days a week. As demand ...
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How Planter OEMs Can Provide Row Control to Help Users Improve Yields
From: Thomson Industries Inc.Description: As farmers strive to increase yields and reduce expenses, increased attention is being paid to overplanting. A major challenge for OEMs is developing a compact, reliable and economical method to ...
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Selecting and Applying Rolling Element Linear Bearings and Guides
From: Thomson Industries Inc.Description: Rolling element linear motion bearings are widely used to guide, support, locate, and accurately move machinery components and products in a wide range of automation applications. Rolling element ...
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ATLANTA Rack & Pinion Drives Featured in Motion Systems Design Magazine Article
Description: The November 2011 issue of Motion Systems Design Magazine features ATLANTA Rack and Pinion Drives in an article titled "Separating Rack & Pinion Myths From Reality". Rack and pinion drives are an ...
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Motor Type Selection
From: maxonDescription: Parameters that define a motor type are the mechanical output power, the shaft bearing system, the commutation system used, and the possible combinations with gearheads and sensors. The most important ...
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How to Select Gearboxes
Description: After many years of discussing gearboxes with engineers, we have developed a questionnaire we use to ensure that we have found all the necessary details of one's application. We use this even if the ...
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Switch to Whirling Process Improves Accuracy of Worm Gear
Description: Virtually any custom designed turned part is fair game for the company's Swiss and CNC machines, which regularly turn out special screws and custom-designed fasteners requiring tight tolerances and ...
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Choosing the Right Drive Technology
From: maxonDescription: Coming up with the right drive technology for your application often depends on the options before you. Here are five of the most common drive configurations being used today, along with their ...
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Factors to Consider When Choosing an Actuator of Four Feet or Less (.pdf)
Description: Whether for packaging, life sciences, office equipment or factory automation, smooth motion, fast accelerations and a high degree of accuracy are hallmark requirements for linear movement actuators. ...
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Next Generation Variable Frequency Drives Push the Limits of Energy Efficiency and Increased Reliability
Description: Variable frequency drives have emerged as a surefire way to reduce energy costs in induction motor systems. From pumps and fans to material handling and industrial processes, VFDs help save many ...
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Key to Plant Optimization
Description: A quality feed coproduct is vital to the success of an ethanol plant, therefore attention paid to critical sections in the distillers grains drying process is of utmost importance. As in any ...
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Minimally Invasive Tissue Removal System
From: maxonDescription: Medical engineers consistently look for ways to provide devices to physicians that offer smaller incision requirements, a more accurate procedure, and the opportunity for a quicker recovery. ...
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A Discussion of Reduced Voltage Soft Starter Harmonics
From: Benshaw, Inc.Description: The generation of harmonics by SCR based reduced voltage soft starters and the current harmonic spectrum generated is discussed. Some example harmonic spectrums are given that can be used for ...
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Fieldbus Applications with Optocouplers
Description: Fieldbus (or field bus) is the name of a family of industrial computer network protocols used for real-time distributed control. It is a way to connect instruments in a manufacturing plant. ...
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Integrate Protection with Isolation In Home Renewable Energy Systems
Description: Home energy systems based on renewable sources such as solar and wind power are becoming more popular among consumers and gaining increasing support from governmental bodies. Such systems, however, ...
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Techniques to Increase High-Voltage Common Mode Rejection (HVCMR)
Description: The ACPL-M61L is an optically coupled ultra-low power 10 MBd digital CMOS optocouplers that operates with low power consumption, especially when the light emitting diode (LED) operates at low current. ...
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Earthquake Simulation - Using Single or Dual-Axis Linear Motion Stages
From: H2W TechnologiesDescription: With the goal of safer buildings and saving lives, scientists and engineers, through the simulation of many recent earthquakes, need to test building materials and structural designs. Using either a ...
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Linear Motion Q&A: Customized Machinery Built with off-the-shelf Components
From: Thomson Industries Inc.Description: Machine builders strive to achieve the right balance of functionality, performance, price, durability, energy consumption and other attributes that will enable their products to excel against the ...
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Rethinking Engineering - A Holistic Approach to Linear Motion Design
From: Thomson Industries Inc.Description: For the best linear motion system designs; avoid canned solutions, develop a robust product development process, use modified or configured parts where practical, select competent and capable ...
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Ensuring continuous HVAC operation with a dual-variable-frequency-drive system
Description: Imagine you are a surgeon in the middle of a major operation. Suddenly, one of the variable-frequency drives (VFDs) in your operating-room air-handling system develops a fault and stops running, ...
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The ABCs (and 1-2-3s) of Variable Frequency Drives
Description: Learn the terminology used to describe VFD internal operations and external interfaces - and you'll understand their application more thoroughly. ...
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Advantages of Digital Motion Control Networks-Beyond Wiring Savings
Description: Digital networks reduce wiring, saving you time and money over traditional discrete and analog hardwiring. But are there other advantages? With digital networks, and in particular with EtherCAT - an ...
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Choosing Between Soft Starters and Drives
Description: Regardless of whether they are used in processing plants or in discrete manufacturing, commercial, municipal, or institutional facilities-motors that are started across the line require large amounts ...
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Save Time With Reusable Code
Description: Standardized programming for automation equipment is here to stay. At the forefront is IEC 61131-3-compatible software, which generates standardized code for use on any number of controls. ...
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VFDs Can Control Multiple Motors
Description: Controlling Multiple Motors with One VFD Saves Money and Space ...
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Design Considerations When Applying Various ASD Topologies to Meet Harmonic Compliance
From: Benshaw, Inc.Description: In order to limit the harmonic distortion produced by Adjustable Speed Drives (ASD's), manufacturers have introduced several methods of both passive and active harmonic mitigation. Users of ASD's ...
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Universal Motors: Timeless Performance
From: Groschopp, Inc.Description: The universal motor, an often maligned old workhorse, is a particularly adaptable motor, and still proves very useful in many applications. ...
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Sensorless Control of Permanent Magnet Motors (.pdf)
Description: Precise speed control of AC motors is typically accomplished with a variable frequency drive (VFD) connected to a speed or position feedback sensor. In certain situations, however, it's possible to ...
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Reflective Three-Channel Encoder (.pdf)
Description: The AEDR-850x encoder is the smallest three-channel optical encoder with digital outputs in the market, employing reflective technology for motion control purposes. This article describes the ...
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Kerk Lead Screws Help Diamong Analyzer Achieve Dazzling Accuracy (.pdf)
Description: Most of us are familiar with the four "C's" that help determine the quality of a diamond: Clarity, Carat, Color, and Cut. These standards are commonly accepted as the determining factors for ...
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Kerk Motion Producs Help Waters Corp. Make Large Splash with Small UPLC Unit (.pdf)
Description: Pricing pressures, intense competition and strict regulatory demands are challenging scientists and researchers in the fast growing, highly-regulated pharmaceutical, life science, biochemical, ...
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Omega Design Saves a Bundle with Kerk RGS
Description: Recognized as an industry leader for over 30 years, Omega Design Corporation manufactures a broad range of high-quality container handling and packaging equipment systems. The list of equipment ...
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Assuring Data Integrity in an Optically Isolated (.pdf)
Description: This article discusses how the parameters related to optocoupler propagation delay can affect data ntegrity and system reliability for applications requiring isolation of the I2C bus interface, ...
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Case Study: Powerful Solution for Tangential Engraver (.pdf)
Description: Problem: customer wanted to engrave steel rolls without investing in an expensive CNC system (about 10,000 €). He wanted also to configure his machine using a simple user interface, via codes ...
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Design Win: Flexible Production of Hemp Material (.pdf)
Description: Problem: Facing fluctuating customer demands, that factory needed to design a flexible production line. A section of the machine was required to act as a buffer between the continuous production of ...
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Design Win: High Speed Winding Machine (.pdf)
Description: Problem: Looking for productivity and quality improvement, the customer called upon Parker SSD expertise for the implementation of a new high-speed double spooling machine. The customer was ...
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Design Win: Solar-Powered Car (.pdf)
Description: Promoting renewable energy, students of physical engineering at Polytech Clermont-Ferrand worked on this solar car prototype (Bélénos) in order to participating in the 'World Solar Challenge' and ...
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Dockside Crane Performs Electronic Acrobatics (.pdf)
Description: Application profile : Crane perform electronic acrobatics with Parker SSD control. ...
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Application Story: Automotive Ergonomics and Efficiency Supplied by LoPro® (.pdf)
Description: Challenge: Customer needed to eliminate 30 feet of air hose. This was a dangerous situation with the possibility of tangling and tripping over the hoses. The Assembler has the weight of tools and ...
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Automotive / Aerospace Application Profile (.pdf)
Description: Challenge: An existing paint removal application that used environmentally harsh chemicals needed to be updated and replaced with a system that would cut maintenance time and improve performance. ...
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DC Motor Selection Automated Patient Transfer Device (.pdf)
From: maxonDescription: One of the growing problems facing the nursing career is a thinning staff, and with it the need to care for overweight patients with very little help. This effort has led to musculoskeletal disorders ...
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Fall Guys: Deforming Dampeners (.pdf)
Description: Some designs such as packaging-machinery frames rarely if ever endure internal shock loading or impact. In other cases, often in end-user products, designs are lower in cost. In both instances, ...
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Torque Limiters Tamer Overloads (.pdf)
Description: As a machine designer, one of your top priorities should be to protect against operator injury and machinery damage due to overloads. Limiting the torque that can be transmitted through a system is ...
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Powder Metal Design Guidlines
Description: One of the advantages of using a Powder Metal process to manufacture a part is the ability to design the part to exact specifications that eliminate the need for secondary operations or additional ...
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Intensity-Modulated Radiosurgery System (.pdf)
From: maxonDescription: The problem can be a matter of life and death to the patient. Until a few years ago, head and neck tumors could not be safely bombarded with radiation without the possibility of damaging organs like ...
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Guide-Wheel System: Properties, Selection & Sizing (.pdf)
Description: Paper dust particulates wreak havoc with just about every aspect of paper converting machinery, and especially the bearings. Linear guides, planar bearings and shafts, even the wipers, lubricators, ...
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Preloading Guide Wheels in Linear Motion Systems
Description: Preloading is the practice of assembling mechanical systems in such a way that some or all components are held in a compressed or tensioned state when there are no external forces acting on the ...
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Design of Highly Reliable Piezo Actuators (.pdf)
Description: Piezoelectric multilayer actuators are the driving force behind the most challenging nanopositioning applications. These types of actuators have been in use for about two decades and have reached ...
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Selecting Stepper Motor Drivers for Optimum Performance (.pdf)
Description: By rotating in discrete angular increments, stepping, stepper or simply step motors provide a more precise solution for many motion control and measurement applications, especially when the ...
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Applications Dictate Gimbal Selection (.pdf)
From: Aerotech, Inc.Description: The choice between direct-drive and gear-driven gimbals and optical mounts presents an opportunity for a comparison of the pros and cons for each. ...
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How to Select and Install Air Bearing Stages (.pdf)
From: Aerotech, Inc.Description: Air-bearing stages are noted for their smooth, frictionless motion. A few tips and techniques will ensure you benefit from their advantages. ...
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Micropositioning Meets Mechatronics (.pdf)
From: Aerotech, Inc.Description: Compared to traditional methods, the mechatronic design approach is more of a holistic approach to product design, where the tradeoffs between different functional components (software, hardware, user ...
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New Life: Advances in Laser Machining Key to Stent Market Growth
From: Aerotech, Inc.Description: With the coronary stent industry once again on the rise, laser machining promises to help stent manufacturers meet the significant production challenges that remain. Laser-workstation motion ...
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Precise Triggering of External Events Based on Axis Position (.pdf)
From: Aerotech, Inc.Description: An axis-based trigger in the controller can significantly improve part quality, reduce cycle time, and eliminate processing problems. This article discusses Aerotech's unique PSO (Position ...