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Linear Motion Tips

Covering Linear Motion Systems, Components and Linear Motion Resources

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Mini + piezo + voice coil

PI releases new catalog of piezo-mechanic nanopositioning motion systems

January 18, 2018 By Miles Budimir Leave a Comment

motion systems

PI (Physik Instrumente) has released a new 250-page catalog on precision mechatronic actuators and nanopositioning systems based on piezo drive technology and frictionless flexure guiding systems. Products covered in this catalog use PI’s in-house designed and manufactured Mars Rover-tested piezo ceramic actuators as their drive principle. A special form of electro-ceramics, piezo actuators deliver a […]

Filed Under: Industry news, Integrated Linear Systems, Mini + piezo + voice coil, Stages + gantries Tagged With: physikinstrumente

What is a hollow core linear voice coil motor?

January 11, 2018 By Danielle Collins Leave a Comment

hollow core voice coil motor

A linear voice coil motor (also referred to as a “voice coil actuator” or “linear DC motor”) is a simple yet very precise type of electric motor, consisting of just two primary parts – a coil and a magnet. When current is applied to the coil, a force is generated. The magnitude of the force […]

Filed Under: FAQs + basics, Featured, Mini + piezo + voice coil

SMAC Moving Coil Actuators announces IP-rated products

December 27, 2017 By Miles Budimir Leave a Comment

actuators

SMAC Moving Coil Actuators has revealed the details for their dustproof and waterproof, IP65/IP67 product line. SMAC’s IP-rated products include the CBL35/CBL35C series electric cylinder, the CBL50/CBL50C series electric cylinder, the LAL95 series linear actuator, and the LCA50 series linear actuator.  All dustproof and waterproof SMAC moving coil actuators include the ability to do work […]

Filed Under: Linear actuators (all), Mini + piezo + voice coil, Uncategorized Tagged With: Linear Actuators

What’s the difference between a piezo actuator and a piezo motor?

October 6, 2017 By Danielle Collins Leave a Comment

Piezo motor

In the context of motion control, the term “motor” generally refers to a single electromechanical device that produces rotary or linear motion to drive a system, while the term “actuator” typically refers to an integrated mechanical system that is driven by a motor. But in the context of piezo drives, the term “actuator” refers to […]

Filed Under: FAQs + basics, Featured, Mini + piezo + voice coil

High-speed linear actuators: What qualifies them as high speed?

September 22, 2017 By Danielle Collins 1 Comment

high speed linear actuators

Like many terms used in the linear motion industry, such as “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 some general guidelines that manufacturers follow when classifying and marketing their actuators as high speed. These guidelines are typically […]

Filed Under: Applications, Ball + leadscrew driven, Belt + chain driven, FAQs + basics, Featured, Linear motors, Mini + piezo + voice coil, Rack + pinion driven

When are voice coil actuators the best linear motion option?

July 7, 2017 By Danielle Collins Leave a Comment

voice coil actuators

Voice coil actuators are most commonly used for micro- or nano-positioning applications, with strokes from 10 nm up to 100 mm. In addition to very precise positioning capabilities, voice coil actuators provide extremely smooth movement. They’re often paired with air bearings, crossed-roller guides, or linear shafts and round bearings to provide assemblies that are backlash-free. […]

Filed Under: Applications, FAQs + basics, Featured, Mini + piezo + voice coil

Power of V8 … and nanometer precision positioning in PI’s new piezo linear motor

June 5, 2017 By Lisa Eitel 1 Comment

Motion control and piezo systems expert PI (Physik Instrumente) introduces a new robust OEM walking motor drive, the N-331, with its configuration rooted in existing patented piezo actuator technology and a patented piezo stepping motion principle design. Based on the application of historically successful technology, the new design it is suitable for use in high-end […]

Filed Under: Featured, Integrated Linear Systems, Mini + piezo + voice coil Tagged With: physikinstrumente

Sensata’s new linear voice coil actuator for ultra-small motion designs in medical devices

May 15, 2017 By Lisa Eitel Leave a Comment

Medical devices are often smaller and lighter in weight than the majority of applications that require some type of motion control, simply because they are often portable/mobile, hand-carried or lifted. Internal components needed for these devices are chosen carefully to make for the smallest overall device footprint. This poses unique challenges to component manufacturers supplying […]

Filed Under: Featured, Linear actuators (all), Mini + piezo + voice coil Tagged With: sensata

Voice-coil positioning stage from H2W Technologies has dual feedback

May 3, 2017 By Lisa Eitel Leave a Comment

The VCS20-020-CR-01-MC-F3K voice coil positioning stage has dual feedback capability.  It can operate either under closed loop position control with force monitoring or closed loop force control with position monitoring.  It uses H2W voice coil motor NCC20-18-020-1A to generate a continuous and peak force of 2.0 lb and 6.0 lb respectively — with total stroke length […]

Filed Under: Featured, Mini + piezo + voice coil Tagged With: h2w

Actuators with haptic feedback: Ultra-thin PiezoHapt actuator with low driving voltage

February 14, 2017 By Lisa Eitel Leave a Comment

TDK now sells a new haptic component — a new ultra-thin PiezoHapt actuator featuring a short response time of just 4 msec. PiezoHapt has a unimorph design consisting of a multilayer piezo element bonded to one side of a vibration plate. With a thickness of a mere 0.35 mm the new haptic actuator is much thinner than conventional eccentric […]

Filed Under: Featured, Mini + piezo + voice coil Tagged With: tdk

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