Servo motors are typically used for dynamic applications, where quick acceleration rates necessitate high torque production. In fact, one of the defining characteristics of a servo system is its ability to precisely control torque across a wide speed range, and the various speeds and torques required during the application’s move profile are a key parameter […]
Accuride International launches online store to expand access to wide-ranging sliding solutions
Accuride International, the world’s largest designer and manufacturer of sliding hardware, today announced the launch of an online store to expand access to a wide range of its innovative, proven products to both B2B and B2C customers. “Customers have told us that they need to be able to order a broad selection of our slides anytime, […]
How to calculate motor drive torque for belt and pulley systems
Belt driven linear systems are common in applications that require long travel and high speed, such as gantry robots and material handling and transport. The motors of choice for these systems are often servo motors, for their ability to accurately control position, speed, and torque. Sizing and selecting the servo motor requires determining both the continuous […]
When should you use microstepping control for stepper motors?
Stepper motor operation is relatively straightforward. The drive sends pulses of current to the motor, and each pulse advances the motor by one step, or fraction of a revolution. The amount of movement per current pulse depends on the design of the stator and rotor. For permanent magnet stepper motors, a full step angle of […]
Why use linear guides and ball screws with ball chains?
One of the differences between radial ball bearings and recirculating ball linear guides has historically been that radial bearings typically use a cage to separate the balls and control their movement, whereas profiled rail guides did not. But in the early 2000’s, manufacturers of profiled rail bearings began introducing versions with ball cages (also referred […]
Just for fun! 10 jokes about (and for) engineers
Engineers are often the butt of jokes, and in many cases, we deserve it. From our single-pointed focus on our studies in college, to our relentless need to be right, to our literal interpretation of, well, everything — we unintentionally make ourselves an easy target. But most of us take it in stride and even […]
What are planar errors and how do they affect the accuracy of a linear motion system?
In an ideal world, a linear motion system would exhibit perfectly flat, straight motion and reach the intended position with zero error every time. But even the highest precision linear guides and drives (screws, rack and pinions, belts, linear motors) have some errors due to machining tolerances, handling, mounting, and even the manner in which […]
How to convert between mass and force — in metric and English units
Converting between mass and force is a common step in the design and sizing of linear motion systems. If you’re lucky, you work primarily in one set of units — either metric or English. But it’s likely there has been (or will be) a time when you need to work in both systems of units, possibly […]
How to generate the motion profile for a linear system
One of the first steps in sizing any type of linear guide or drive component is to determine the required motion profile. The motion profile is simply a way to define and graphically depict how the component should achieve the specified travel, in terms of velocity and time. The motion profile is the basis for […]
LinX tubular linear motor offers 10 micron resolution and peak force up to 1200 N
ANCA Motion’s new tubular linear motor LinX M Series offers 10 μm resolution at a peak force range of up to 1,200N Available in Q2 2019, the latest addition to the LinX range continues to support demanding automation applications while increasing efficiency in a compact footprint. The LinX M-series linear motor features an integrated position […]
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