Featuring high-speed performance and load capacities that exceed existing full ball standards, THK’s new Type BSM ball screw is ideal for use in machine tools. The Type BSM uses a newly developed circulation structure and a large lead to meet high-speed performance demands. The DN value is 170,000, contrasted with 130,000 in conventional products. The […]
SKF Motion Technologies becomes Ewellix
SKF Motion Technologies, formerly part of the SKF Group, has launched a new name and branding, to reflect the changes that the company has undergone since it was acquired in December 2018 by Triton Partners. With immediate effect, the company will be known as Ewellix: Makers in Motion. The new company name is pronounced ‘Eve-liks’. […]
New generation of linear motor stages from Yaskawa
The Drives & Motion Division of Yaskawa America, Inc. has added the Sigma Trac II series linear servo motor stages to the Sigma-7 servo family. Sigma Trac II combines a Yaskawa SGLF2 series linear motor with linear bearings, high-resolution absolute optical scale, cable management, and optional bellows to create a turnkey linear stage. Leveraging the […]
Motion basics: Difference between Cartesian and polar coordinate systems
Coordinate systems provide a way to define a point in space in either one, two, or three dimensions. The most prevalent coordinate system used in linear motion applications is the Cartesian system. Cartesian coordinates define a position as the linear distance from the origin in two or three mutually perpendicular axes. The origin is the […]
What types of motion can you create with multi-axis linear systems?
For many tasks, multi-axis linear systems — Cartesian robots, X-Y tables, and gantry systems — travel in straight lines to achieve quick point-to-point movements. But some applications, such as dispensing and cutting, require the system to follow a circular path or a complex shape that can’t be created by simple lines and arcs. Fortunately, modern […]
SMAC actuators satisfy existing OEM form-fit-function requirements
SMAC now sells voice coil actuators that include differential features to satisfy OEM requirements … actuators that allow drop-in replacement of existing motion technologies having the same form, fit, and function. This design process is called MCA Inside and has been key in helping OEMs with an install base or an existing design to solve […]
Linear motion systems: Only as strong as weakest link
Demands placed on linear systems in today’s automation are greater than ever — and continue to increase. Here we review five links in the chain of design elements so critical to precision operation. By Mark Huebner • Mechatronics global product manager | PBC Linear Kevin Bischel • Principal engineer | PBC Linear A linear motion […]
What is a follower nut, and what role does it play in lead screw operation?
Although the idea of a “follower nut” may seem to indicate that the nut serves a passive role in lead screw operation, it actually plays an important part in monitoring the condition and life of the screw assembly. The wear characteristics of a lead screw nut make the expected service life of the assembly difficult […]
New Thomson video shows customer’s use of electric actuator synchronization option
Thomson Industries, Inc., a leading manufacturer of linear motion control solutions, has released a video showing how the synchronization feature available with its Electrak HD electromechanical linear actuators helped Spika Design and Manufacturing address a growing customer demand. Spika is a Montana-based provider of commercial and custom industrial work platforms suitable for a wide variety of […]
THK roller LM guide type HRX for myriad applications and harsh environments
A new Roller LM Guide Type HRX from THK America Inc. meets the demands of myriad applications and environments. The Type HRX boasts a duplex face-to-face structure (DF Structure) and a full roller design for resilient performance in even harsh settings. Features include a highly rigid, yet simple structure, caged rollers and an extensive dust […]
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