Dover Motion, a designer and manufacturer of motion setups for life sciences and diagnostics instruments, today announced the launch of the DOF-5 Objective Focusing Stage. The DOF-5 is a microscope objective nanopositioning stage optimized for optical imaging applications. Developed for automated microscope objective focusing applications including next-generation sequencing (NGS), digital cell morphology, and automated digital […]
Linear motion applications for piezo actuators and piezo motors
Piezo actuators and motors are often the preferred technology when an application requires movements of a few millimeters or less with high resolution. And while these small-scale applications don’t typically attract the same level of attention as those that require massive 100 mm diameter ball screws or enormous 12-meter gantries, applications in the single- and […]
Haydon Kerk releases 2018 linear motion Catalog and Design Guide
Haydon Kerk Motion Solutions, a business unit of AMETEK Advanced Motion Solutions, announces the release of its new Catalog and Design Guide, revised for 2018. The new Haydon Kerk catalog has been updated and expanded with new product sections. The new catalog and design guide illustrates a wide range of products engineered for use as […]
Bishop-Wisecarver President Pamela Kan wins Women’s Business Enterprise Star Award
Bishop-Wisecarver president Pamela Kan was selected by the Women’s Business Enterprise National Council (WBENC) as a 2018 Women’s Business Enterprise Star. This prestigious award is given annually to only 14 women from across the country based on their contributions to their local communities and respective businesses. As one of the small number of female leaders […]
SIKO LEC100 and LEC200 sensors for Industry 4.0 (IIoT) linear drives, material handling, and robotics
Magnetic motor feedback is indispensable in linear drives, circuit-board assembly, handling systems, robotics, and other Industry 4.0 machines for automation. The purpose of these sensors is often to track speed and position and communicate that data to a main controller in realtime. Now ultra-compact LEC100 and LEC200 sensors from SIKO gives design engineers two new […]
How to calculate the effect of preload on ball screw axial deflection
In a recent post, we looked at the methods for inducing preload in a ball screw assembly and the effects it has on performance. One of those effects is that preload reduces axial deflection (displacement) and increases rigidity. But preload also increases the applied load on the screw assembly and reduces life. To determine the […]
NB SGL slide guides for precise and rigid support of linear motion
The expanded line of NB SGL slide guides from NB Corp. of America are high-precision linear bearings with low friction and non-stick (and non-slip) mechanisms for smooth linear motion … even under high loads. The SGL Slide Guides are 160 mm to 3,000 mm long. Six types of blocks are available depending on the mounting […]
How do magnetostrictive sensors work?
When a ferromagnetic material — such as iron, nickel, or cobalt — is subjected to an external magnetic field, the magnetic domains within the material align, creating internal stresses that cause the material’s shape or dimensions to change. This phenomenon is referred to as magnetostriction. Conversely, when a magenetostrictive material is subjected to a stress, its magnetic […]
New high-performance linear stages family with ball screw and linear motor options
Compared to the competition, these PI-engineered stages offer higher load capacity, allowing for higher dynamics, often required by industrial applications. The new reference-class linear stages family, L-417 and V-417, from precision nanopositioning global leader PI (Physik Instrumente), are available in ball screw and linear motor configurations, both cost-effective designs, offering high resolution with improved tracking […]
How does a rack and roller pinion work?
A rack and roller pinion system is a variation on the traditional rack and pinion that replaces the toothed pinion (gear) with a cage-type pinion that incorporates bearing-supported rollers. Each roller in the pinion is supported by two needle bearings, which eliminates the sliding friction that occurs in traditional rack and pinion systems. This greatly […]
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