We’ve written several articles on this site about Cartesian robots, but let’s take a step back and define exactly what makes a robot a Cartesian robot, as opposed to another type of robot or multi-axis system. First, a Cartesian system is one that moves in three, orthogonal axes — X, Y, and Z — according to […]
What is a direct drive motor?
A direct drive motor is any motor — rotary or linear — in which the load is connected directly to the motor, without mechanical transmission elements such as gearboxes or belt and pulley systems. In other words, the motor directly drives the load. Direct drive rotary motors Rotary direct drive motors are often referred to […]
Low-profile linear stepper motor stage from H2W Technologies
The LSS-016-04-006-01A-ME is one of a revolutionary new series of low-profile linear stepper motor positioning stages that integrates an absolute linear encoder and a single-axis linear stepper motor stage. This enables the linear stepper motor stage to operate as a 2-phase brushless linear motor when coupled with motion control electronics provided by H2W Technologies (H2W). […]
SKF LLT profile rail guides designed to suit a wide range of applications
SKF LLT profile rail guides from SKF Motion Technologies, Inc. have been uniquely designed to deliver smooth running performance, high precision and accuracy, and long service life with minimal maintenance for a wide range of linear guiding applications. LLT guides have the ball circuits placed in an X-arrangement, which optimizes load sharing in all four […]
How does the number of stator phases affect stepper motor performance?
Stepper motors move in discrete steps when current is applied to coils in the stator. The size of the step is determined, in part, by the number of phases in the stator. In general, the more stator phases, the smaller the basic step angle and the higher the motor’s resolution. Stepper motors come in three basic types […]
How to specify linear motion components for vacuum applications
Vacuum applications are common in the manufacturing of semiconductors, liquid crystal and plasma displays, fiber optics, and aerospace components, where linear motion systems are used for the positioning, handling, and alignment of critical equipment. Although vacuum applications are often likened to cleanroom applications, in the category of “special environments,” there is a critical difference between […]
Vention and Thomson Linear announce partnership for linear motion applications
Vention, the first digital manufacturing platform dedicated to machine design, and Thomson Industries, a global leader in mechanical motion technology, are announcing their partnership for linear motion components compatible with the Vention hardware and software platform. The Vention platform allows for the design, order and commissioning of factory equipment in just days. Premium custom linear […]
What are goniometer stages and where are they used?
The term “goniometer” can refer to a type of device that measures angles or to a device that rotates objects to a precise angular position. The former type, for measuring angles, is widely used in physical therapy to measure the range of motion of joints, such as the wrist or knee. This type of goniometer […]
ANCA Motion unveils the new LinX M-series to the market at IMTS 2018
ANCA Motion designs and manufactures flexible control systems, specializing in high precision solutions for CNC machines. Unique to ANCA Motion is the LinX M-series linear motor which is housed within a slim body, is highly energy efficient, and delivers precision CNC applications or high-speed automation systems every time. An early adopter to new technology, ANCA […]
How raceway geometry affects profiled rail guide performance
In the context of profiled rail guides with recirculating balls, the raceway geometry defines how the load-carrying balls are positioned relative to the raceways of the rail and the bearing (aka “carriage” or “slide”). The two most common raceway geometries are referred to as circular arc and Gothic arch, but some manufacturers have adopted a […]
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