MKS Instruments now sells Newport DLS Series high-performance linear actuators called Delay Line Stages. The DLS series features affordable high performance linear-motor-driven stages with integrated motion controllers. Optimized for retroreflectors, repeatable femtosecond positioning and exceptionally fast traverse speeds, the compact stages are a perfect fit for spectroscopy applications that require single or multiple delay lines. With travel […]
Linear Motors Archive
Get the latest product news, technical info, and FAQs about linear motors.
Podcast: Scott of Nippon on iron core, U-channel, and tubular linear motors
In a recent Technology Tuesdays podcast, Brian Scott, application engineer at Nippon Pulse America, talked to me a little bit about linear motors including iron core, U-channel, and tubular linear motors … and the benefits and drawbacks of each. He also shed some light on the major design objectives OEMs cite when migrating axes to linear motors. Click here […]
What are linear stepper motors?
Like most linear motors, a linear stepper motor is essentially a variation of the rotary design, cut radially and laid out flat. Similar to their rotary counterparts in operation and performance, a linear stepper motor is typically run as open-loop systems and are capable of providing high resolution at high speeds and accelerations. The linear stepper motor almost […]
Nippon Pulse small-forcer linear servo motor for high-density applications
Nippon Pulse America Inc. now sells one of the smallest available linear motors for high-density applications — the L250SSS Linear Shaft Motor. It is a 25-mm-diameter linear servo motor with a single winding and our smallest available forcer – only 30mm in length, and with higher force than competing off-the-shelf motors. Its maximum usable stroke reaches to […]
Why use linear-induction motors — and could they drive Hyperloops one day?
Contributed FAQ courtesy H2W Technologies || Linear-induction motors work in applications that require rapid movement of large payloads. Linear-induction motors can output speeds to 1,800 in. per second (45 m/sec) or more … … and accelerations from 3 to 4 g. Standard LIMs can produce forces in the range of 720 lb (3,200 N) at a 3% duty cycle. […]
How do linear induction motors work?
Contributed FAQ courtesy H2W Technologies || Think of linear induction motors (LIMs) as rotary motors that have been cut and unrolled to generate linear instead of rotary motion. Linear induction motors are comprised of two parts, the primary and secondary, which interact with one another only when power is applied. Either the primary or the […]
Direct-drive linear motors with integrated encoders offer resolution to 1.25 µm
Moticont has added two linear motors to its SDLM Series of high-speed direct-drive linear motors. These compact drives with a 1.0 in. (25.4 mm) stroke are just 1.00 in. (25.4 mm) in diameter and 3.75 in. (95.3 mm) long. These direct-drive linear motors feature resolutions of 5 µm (0.000197 in.) and 1.25 µm (0.000049 in.) […]
ETEL expands linear motor line
As engineers expand their range of machines to a point where a larger payload is required, an upgrade of their linear motors may be necessary. So, to make their design process easier, ETEL has added extra ironcore linear motor lengths to each of their different widths. These new lengths are compatible with existing 50, 70, […]
Where linear motors improve designs: Application example in multi-axis stage
Machine-tool applications and the manufacture and assembly of semiconductor components account for more than half of all linear-motor use. That’s because linear motors are precise (albeit costly compared to other linear-motion options). Other applications for these relatively new motion components also include those that need fast and precise positioning or slow and extremely steady strokes. […]
ELP electric linear module from SCHUNK for user-friendly operation
The SCHUNK ELP can be adjusted in two simple steps making it the most user friendly electric linear module on the market. The end positions can be mechanically adjusted with a screw and the speed of extension and retraction is adjusted using rotary switches on the side of the unit. More after the jump. Speed […]
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