Clik here to view.
New IoT-ready electro-mechanical actuators from Ewellix
Ewellix, formerly SKF Motion Technologies, has developed new actuators which deliver forces up to 82 kN and speeds of 1 m/sec, to provide real-time, accurate information that improves machine...
View ArticleClik here to view.
Boosting productivity with the right direct-drive motor and linear-motor...
Feedback options for linear motors and direct-drive torque motors abound. The most common employ optical, magnetic, capacitive, or inductive measurement. Here we explain how the key application...
View ArticleClik here to view.
Mechanical properties of materials: stiffness and deflection
In a previous post, we looked at the stress-strain curve and its relationship to various aspects of material strength — tensile strength, yield strength, and fracture strength, for example. And while...
View ArticleClik here to view.
Wire-actuated encoder features 12-m measuring length
The new SG121 wire-actuated encoder from SIKO features measuring lengths up to 12 m with an installation depth of just 70 x 85 x 105 mm. The robust aluminum housing, coupled with impact-resistant...
View ArticleClik here to view.
Thomson introduces online quote tool for customized 60 Case shafting and...
Thomson Industries, Inc., a leading manufacturer of linear motion control solutions, has introduced an online instant quote tool that helps design engineers save time during the selection and purchase...
View ArticleClik here to view.
Review of linear actuation complemented by guide wheels
Linear bearings based on steel guide wheels often complement motor-based linear actuation in two challenging application types: Long-stroke linear-motion axes as those driven by belts, linear motors,...
View ArticleClik here to view.
What is racking in gantry systems, and how can it be avoided? (Part 1)
Gantries differ from other types of multi-axis systems (such as Cartesian robots and XY tables) by using two base (X) axes in parallel, with a perpendicular (Y) axis connecting them. While this dual...
View ArticleClik here to view.
Part 2 – What is racking in gantry systems, and how can it be avoided?
In Part 1 of this post, we looked at various methods of driving the X axes in gantry systems and how the drive method can influence the gantry’s tendency to experience racking. Another factor that can...
View ArticleClik here to view.
Stepper motor torque and speed characteristics explained
Stepper motors have different torque-speed characteristics depending on whether the motor is starting/stopping or already running. These characteristics are depicted in two curves on the motor’s...
View ArticleClik here to view.
Linear Motion Tips – Top 10 articles of 2019
Linear motion publications are typically dominated by topics related to linear guides, ball screws, and lead screws. But looking back at this site’s most-viewed articles in 2019, it’s obvious that...
View ArticleClik here to view.
What you need to know about corrosion-resistant linear guides
Recirculating ball and roller guides are the backbone of many automation processes and machines, thanks to their high running accuracy, good rigidity, and excellent load capacities — characteristics...
View ArticleClik here to view.
What’s the best timing belt tooth profile for high-speed applications?
Synchronous belts (also referred to as timing belts) are used in a wide range of power transmission and transport applications that require good positioning accuracy. Tensile cords molded into the belt...
View ArticleClik here to view.
Zygo Names SCHNEEBERGER as a 2019 outstanding supplier in quality performance
Zygo Corp. has named SCHNEEBERGER Inc. as a 2019 Outstanding Supplier in Quality Performance. SCHNEEBERGER, a leading innovator in linear technology, was one of only a handful of companies able to...
View ArticleClik here to view.
Electromagnetism basics for mechanical engineers
Electromagnetism — the relationship between electricity and magnetism — is the underlying principle for the operation of electric motors, as well as generators and transformers. And even though most of...
View ArticleClik here to view.
New Compact Linear Bushing (CLB) from Samick
The new Compact Linear Bushing (CLB) by SAMICK, a specialist in linear bearings, is gaining popularity in the market as the company expands its product offering for customers. SAMICK’s CLB is a linear...
View ArticleClik here to view.
Electric actuators help reconfigure rooms in futuristic flexible residential...
Traditional residential construction is fraught with inherent inefficiencies. For example, bedrooms are infrequently used during the day, while living rooms are unoccupied overnight. At a time when...
View ArticleClik here to view.
Acme or trapezoidal? What’s the difference between lead screw designs?
In power transmission applications, there are two primary types of screw drives: those that use recirculating balls or rollers, for applications that require high rigidity, excellent positioning...
View ArticleClik here to view.
What options are there for integrated motor and screw designs?
Ball and lead screw assemblies are often driven by a motor connected in-line with the screw shaft via a coupling. While this mounting arrangement is simple and easy to service, the addition of a...
View ArticleClik here to view.
What makes a linear guide suitable for high temperature use?
For most recirculating ball and roller linear guides, the allowable operating temperature range is -10° to 80° C, with some configurations rated up to 100° C for brief periods. But not all applications...
View ArticleClik here to view.
Synchronous belt materials: What’s the difference between urethane and neoprene?
Synchronous belts for linear motion applications — such as general transport conveyors or high-speed gantry positioning — are available in a wide range of materials suitable for virtually any...
View Article