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  • What Makes a Linear Guide Suitable for High Temperature Use?

    What Makes a Linear Guide Suitable for High Temperature Use?

    Metal components, Plastic components, Lubrication, Optional components and accessories. For most recirculating ball and roller linear guides, the allowable operating temperature range is -10° to 80° C, with some configurations rated up to 100° C for brief periods. But not all applications fall w...
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  • How to Reduce the Effects of Stiction (stick-slip) in Linear Guides

    How to Reduce the Effects of Stiction (stick-slip) in Linear Guides

    What causes stiction? How to reduce them. Unless you’re playing the violin, stiction, or stick-slip, is an unwanted condition caused by the difference between static and dynamic friction between the two surfaces. When stiction occurs in linear guides, it can lead to chattering (“jerky” motion), ...
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  • What are Rail Brakes and When Should You Use them?

    What are Rail Brakes and When Should You Use them?

    How to Select and Apply Rail Brakes The servo and stepper motors that drive linear motion systems often include a braking function, or, in the case of stepper motors, detent torque that helps prevent the motor (and, therefore, the load) from moving when powered off. But in some applications, a s...
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  • How to Specify Pulleys for Synchronous Belt Drives

    How to Specify Pulleys for Synchronous Belt Drives

    High speed and precision belt driven system design. When designing a belt drive system, the first step is to choose the most suitable belt for the application. But the pulleys also play an important role in the performance of the belt — especially in synchronous belt drive systems, where proper ...
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  • Pushing the Limits of Linear Accuracy

    Pushing the Limits of Linear Accuracy

    Straight, accurate movement is far from easy. Straight, accurate movement is far from easy, and linear positioning devices prove it by erring in not one, but three dimensions Just when you thought you had the “linear motion” concept nailed down – hit the required points on the straightaway and y...
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  • What Options are There for Integrated Motor and Screw Designs?

    What Options are There for Integrated Motor and Screw Designs?

    External motor-screw integration, Non-captive motor-screw integration and Captive motor-screw integration Ball and lead screw assemblies are often driven by a motor connected in-line with the screw shaft via a coupling. While this mounting arrangement is simple and easy to service, the addition ...
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  • Three important design considerations for Cartesian robots

    Three important design considerations for Cartesian robots

    System configuration, Cable management, Controls. If your application calls for a Cartesian robot, you have a wide variety of options, depending on the level of integration you want to undertake. And although pre-engineered Cartesian robots are becoming more widely adopted as manufacturers expan...
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  • Linear Guides, Power Transmission, Actuators See Unexpected Applications

    Linear Guides, Power Transmission, Actuators See Unexpected Applications

    More precision and ease installation. Our 2020 survey of the industry indicates an unabated trend towards more automation of previously static or manually tended systems. Key to these new offerings is installation simplicity for OEMs and end users of linear components for linear axes … as well a...
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  • Linear Positioning Stages and XYZ Tables

    Linear Positioning Stages and XYZ Tables

    Cartesian Robot for Pick and Place Application. Positioning stages and tables are used in motion control systems to hold down a work piece and/or to position it for some operation. Stages or tables, whether linear or rotary, are most often complete motion sub-systems. That is, they are motion sy...
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  • Rules for Actuator and Guide Alignment in Linear Motion Systems

    Rules for Actuator and Guide Alignment in Linear Motion Systems

    Following a few simple guidelines for designing linear motion systems can improve system performance and actuator life. Many automated machines rely on linear guidance components, such as profiled rail, round rail or other rolling or sliding bearing structures, to guide and support the moving el...
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  • Linear Motor vs. Ball Screw

    Linear Motor vs. Ball Screw

    The Cost-efficient Application for Your Own Design. While ironless linear motors have been used in semiconductor and electronic applications for more than a decade, they are still viewed by many designers and OEMs as “niche” products. But the perception of linear motors as a costly solution for ...
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  • Motion basics: How to define roll, pitch, and yaw for linear systems

    Motion basics: How to define roll, pitch, and yaw for linear systems

    Including Cartesian robots, gantry systems, and XY tables. Linear guides and systems are typically subjected to both linear forces due to downward, upward, and side loads and rotational forces due to overhung loads. Rotational forces — also referred to as moment forces — are typically defined as...
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  • Linear Positioning Stages/Tables

    Linear Positioning Stages/Tables

    Cartesian Robot for Gantry System Positioning stages and tables are used in motion control systems to hold down a work piece and/or to position it for some operation. Stages or tables, whether linear or rotary, are most often complete motion sub-systems. That is, they are motion systems themselv...
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  • A Selection Guide for Linear Systems

    A Selection Guide for Linear Systems

    Belt driven, Ball screw driven, Rack and pinion driven, Linear motor driven, Pneumatic driven systems. Gone are the days when machine designers and builders had to choose between constructing their own linear system from scratch or settling for a limited range of pre-assembled systems that, in m...
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  • Linear Encoders Improve Accuracy

    Linear Encoders Improve Accuracy

    Linear encoders boost accuracy by correcting errors downstream of mechanical linkages. Linear encoders track axis position without intermediate mechanical elements. The encoders even measure transfer errors from mechanical linkages (such as rotary-to-linear mechanical devices), which helps contr...
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  • How to Get Predictable and Reliable Linear Motion

    How to Get Predictable and Reliable Linear Motion

    Accuracy and repeatability, Capacity, Travel length, Usage, Ambient environment, Timing, Orientation, Rates. Here are some tips on how to correctly specify and size a linear-motor-driven actuator using the mnemonic ACTUATOR—short for accuracy, capacity, travel length, usage, ambient environment,...
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  • Motion Trends Update: Positioning Stages Lead Charge to Pragmatic Design

    Motion Trends Update: Positioning Stages Lead Charge to Pragmatic Design

    Horizontal and vertical Linear Stage Z Axis Positioning Stage Positioning stages today can satisfy specific and demanding output requirements. That’s because customized integration and the latest in motion programming now help stages get incredible accuracy and synchronization. What’s more, adva...
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  • How to Shrink the Size of a Linear Actuator

    How to Shrink the Size of a Linear Actuator

    Solution for X-Y stages and small machining centers, such as 3D printers. Linear actuators come in a wide range of sizes, but over the past several yeas, manufacturers have been emphasizing more and more compact footprints. But no matter how small the actuator, the addition of a motor can make t...
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  • Motion Trends Update: Positioning Stages Lead Charge to Pragmatic Design

    Motion Trends Update: Positioning Stages Lead Charge to Pragmatic Design

    The main advances in motion over the last decade have occurred in control systems and electronics. Positioning stages today can satisfy specific and demanding output requirements. That’s because customized integration and the latest in motion programming now help stages get incredible accuracy a...
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  • How to Choose Linear Guide Accuracy

    How to Choose Linear Guide Accuracy

    Mounting considerations, Single block on a single rail, Multiple blocks on a single rail, Multiple bearings on multiple rails. When choosing a recirculating linear guide, there are several criteria that need to be specified, including size, preload and accuracy. And although the term “accuracy” ...
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  • XY tables: How do they differ from Cartesian and gantry systems?

    XY tables: How do they differ from Cartesian and gantry systems?

    A common XY table design uses crossed roller slides and a ball screw drive for very high travel and positioning accuracies. There are many ways to build linear systems for motion in the X, Y, and/or Z directions – also known as Cartesian coordinates. The terms we generally use to refer to these ...
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  • High Speed Linear Actuators: What Qualifies Them as High Speed?

    High Speed Linear Actuators: What Qualifies Them as High Speed?

    Speed is primarily dependent on the drive mechanism. Like many terms used in the linear motion industry – “heavy duty,” “miniature,” and “corrosion-resistant,” to name a few – there is no industry standard that specifies what constitutes a “high speed” linear actuator. Nevertheless, there are so...
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  • Top 5 Industrial Robotics Applications

    Top 5 Industrial Robotics Applications

    Assembly, Picking and packing, Material removal, Welding, Painting. From food processing to automotive production, industrial robots are becoming ubiquitous. Highly-automated and programmable, these machines execute repetitive tasks with high precision, reliability and throughput.Due to these fe...
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  • What To Do When Your Motion System Throws You a Curve

    What To Do When Your Motion System Throws You a Curve

    How Ring and Track Systems Stack Up Guide-wheel based ring and track systems are more compact and offer better positioning accuracy and more options for cargo carrying positions than alternative conveyor systems for curvilinear applications. In the ongoing drive to reduce production costs, one t...
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  • Five Things to Consider When Choosing a Linear Actuator

    Five Things to Consider When Choosing a Linear Actuator

    Stroke Length, Speed, Accuracy, Mounting, Maintenance. You’re working on an application that requires linear motion – maybe it’s a pick-and-place assembly system, a packaging line, or a gantry for material transfer – but designing your own actuator from scratch, sourcing the various parts, mount...
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  • How to Specify, Select and Apply Linear Ball Screw Drives

    How to Specify, Select and Apply Linear Ball Screw Drives

    Ball return systems, Ball screw selection and Ball screw lubrication. Specifying the right ball screw for a given application will ensure machine accuracy, repeatability and life while minimizing the total cost of ownership. A ball screw drive translates rotational motion to linear motion or vic...
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  • How to Estimate Your Linear Actuator Needs with Minimal Application Data?

    How to Estimate Your Linear Actuator Needs with Minimal Application Data?

    High moment loads can dictate the use of a dual-rail style linear actuator. Selecting an actuator based on approximations of the performance requirements is arguably more risky than choosing a linear guide or drive with minimal application info. But still, the situation is quite common where a d...
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  • Does my system need high accuracy or repeatability (or both)?

    Does my system need high accuracy or repeatability (or both)?

    Component selection and machine design affect system accuracy and repeatability. Before we answer this question, let’s define accuracy and repeatability for linear systems. 【Accuracy】 In linear motion, there are two generally categories of accuracy – positioning accuracy and travel accuracy. P...
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  • What is sub-divisional error (SDE) in linear encoders?

    What is sub-divisional error (SDE) in linear encoders?

    Accuracy of the interpolation. To determine the position of a linear axis, an encoder read head travels along a scale and “reads” changes in light (for optical encoders) or magnetic field (for magnetic types). As the read head registers these changes, it produces sine and cosine signals that are...
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  • Linear Systems for Nanopositioning

    Linear Systems for Nanopositioning

    Piezo actuators, Voice coil actuators, Linear motor stages. When we talk about linear motion, we typically discuss applications where the travel distance is at least a few hundred millimeters, and the required positioning is in the range of a few tenths of a millimeter. And for these requirement...
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  • FAQ: What types of linear encoders are there and how do I choose?

    FAQ: What types of linear encoders are there and how do I choose?

    Absolute or incremental, Optical or magnetic. Linear encoders monitor linear movement and provide position feedback in the form of electrical signals. In servo driven systems, linear encoders supply the precise position of the load, typically in addition to the speed and direction feedback provi...
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  • What To Do When Your Motion System Throws You a Curve

    What To Do When Your Motion System Throws You a Curve

    Guide-wheel based ring and track systems are more compact and offer better positioning accuracy and more options for cargo carrying positions than alternative conveyor systems for curvilinear applications. In the ongoing drive to reduce production costs, one trend at manufacturing facilities is ...
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  • Positioning stages and gantries — new trends in integration approaches

    Positioning stages and gantries — new trends in integration approaches

    The linear, rotary, XY, or vertical-lift stage integrates motor, drive, and controller. There’s demand for motion designs offering simplicity or turnkey operation, so component suppliers are now doing much more integration for OEMs and plant engineers. Nowhere is this more evident than in the wa...
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  • Simple support structure improves warehouse packaging efficiency

    Simple support structure improves warehouse packaging efficiency

    An improvement in packaging efficiency required attention to ergonomics, ease of assembly, and cost efficiency. Automation is changing how traditional distribution centers operate as companies search for new ways to maximize their efficiency, increase order accuracy and fulfill customer demand. ...
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  • What is an LED Matrix Screen?

    What is an LED Matrix Screen?

    High-end LED Billboard Subversives. The dynamic ups and downs of each module of the fuyu LED matrix screen combine with the video screen to form different creative combinations. The terminator of two-dimensional plane advertising leads the epochal wave of media replacement and advertising apprec...
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  • How to estimate your linear actuator needs with minimal application data

    How to estimate your linear actuator needs with minimal application data

    Load, Accuracy, Speed and Travel. Choosing linear motion components during the development phase of a project has been a source of frustration for designers and application engineers for decades—especially when it comes to complex subassemblies such as linear actuators. Consider for a moment the...
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