THK’s new Type SDA-V/SDAN-V caged ball screw is engineered to enable the development of high-speed machine designs. Featuring newly developed circulation components, the Type SDA-V/SDAN-V picks up balls in the tangential direction and achieves a maximum rotational speed of 5,000 rpm — for a maximum DN value of 160,000. Torque remains stable even during long […]
Linear Actuators Archive
Get the latest product news, technical info, and FAQs about linear actuators.
Electromechanical linear actuators feature embedded CAN bus support, PLC capability
Thomson Industries, Inc. has unveiled their new Electrak MD, a more compact electromechanical actuator that retains all of the intelligence built into its larger counterparts. Mobile off-highway, material handling and factory automation applications can benefit from the compact actuator with up to two kilonewtons (kN) of force, advanced onboard electronics and J1939 CAN Bus support. […]
Magnetically preloaded single-axis linear stepper motors from H2W
H2W Technologies’ single axis linear stepper motors are suitable for high-speed open-loop positioning applications. They can perform at speeds of up to 80 in./sec [2 m/sec] and strokes of up to 68 in. [1.7 m]. Linear stepper motors are capable of precise position, velocity, and acceleration control when coupled with a micro-stepping drive and indexer. […]
How to specify pulleys for synchronous belt drives
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 meshing of the belt teeth with the pulley grooves can affect everything from […]
Linear motion in medical applications: Piezo actuators for non-contact dispensing
In a recent article, we looked at how piezo motors are used in liquid handling robots for contact-based dispensing (also referred to as pipetting) of microliter and nanoliter volumes. But when the required dispense volumes fall in the single-digit nanoliter or picoliter range, the process often requires a non-contact dispensing method to ensure accuracy and […]
Linear motion in medical applications: Piezo motors for liquid handling robots
Piezo motors and actuators are used in a variety of medical applications, including liquid handling robots for laboratory testing and diagnostics, drug discovery, and biotechnology. Liquid handling functions in the medical industry have traditionally been done manually by laboratory personnel. But consistency and accuracy are difficult to ensure with manual methods, since variations between technicians […]
New 20-mm linear stepper motors from Nippon Pulse
Nippon Pulse has introduced its smallest linear stepper motor yet, the PFL20 Linearstep. The PFL20 is a highly efficient, high thrust tin-can linear actuator with a 20-mm diameter and a bipolar winding. The PFL20 is RoHS-compliant, has a 30/60 mm effective stroke, and can reach 6 N of force at 200 pps. With 24 steps […]
Motion basics: How to define roll, pitch, and yaw for linear systems
Linear guides and systems — including Cartesian robots, gantry systems, and XY tables — 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 roll, pitch, and yaw, based on […]
Tolomatic expands hydraulic-class electric actuator force range to 50,000 lbf
Tolomatic’s expanded extreme-force electric actuator family now includes the RSX128 actuator, rated up to 50,000 pounds of force (222.4 kN). Ideal for replacing hydraulic cylinders and designed for 100 percent duty cycle, the RSX actuator features Tolomatic’s precision-ground planetary roller screws for long, consistent operating life in challenging environments. Applications include assembly, metal fabrication (pressing, […]
PHD Inc. now sells Series ESU-RB ballscrew linear actuators
PHD Inc. now sells a new Series ESU electric actuator — the ESU-RB. This linear actuator incorporates a ballscrew and features a robust enclosed design with a high capacity rail-bearing system. These features let the actuator deliver exceptional moment and load capability. The ESU-RB electric actuator is available in three sizes with travels lengths up […]
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