When designing, selecting, or assembling a linear system, you may have noticed that some components have an IP rating — IP54 or IP65, for example — while others don’t. Here we explain why that is, and what the IP ratings mean. IP: International Protection (or Ingress Protection) The “IP” acronym stands for “International Protection,” although […]
What are draw-wire sensors and where are they used?
Options abound for tracking or measuring the position of a linear system — from magnetic and optical linear encoders that read changes in magnetism or light, to linear variable differential transformers that operate on the principle of mutual induction, to magnetostrictive sensors that rely on torsional strain induced by magnetic fields. But each of these technologies requires […]
How to use a torque-speed curve to select a servo motor
Servo motors are typically used for dynamic applications, where quick acceleration rates necessitate high torque production. In fact, one of the defining characteristics of a servo system is its ability to precisely control torque across a wide speed range, and the various speeds and torques required during the application’s move profile are a key parameter […]
Accuride International launches online store to expand access to wide-ranging sliding solutions
Accuride International, the world’s largest designer and manufacturer of sliding hardware, today announced the launch of an online store to expand access to a wide range of its innovative, proven products to both B2B and B2C customers. “Customers have told us that they need to be able to order a broad selection of our slides anytime, […]
Precision zero clearance, smooth sliding partial extension rails
As the exclusive distributor of SAIBO Linear Motion Systems in the US, LM76 is offering the SAIBO TPE28 and TPE43 series of Partial Extension Rails. These compact, precision, smooth sliding rails are assembled with a zero clearance. The TPE28 and TPE43 Partial Extension Rail series are created using a “C” shaped external rail and an […]
SMAC single-axis servo controller starting at $200
SMAC Moving Coil Actuators has announced release of their next generation Very Low Cost (VLC) single axis DC brushed/brushless motor controller/driver. With a price of $250 for stand-alone ($200 for built in types) the VLC represents another 35% drop in price compared to many of the company’s previous controllers … and with no loss in […]
How to calculate motor drive torque for belt and pulley systems
Belt driven linear systems are common in applications that require long travel and high speed, such as gantry robots and material handling and transport. The motors of choice for these systems are often servo motors, for their ability to accurately control position, speed, and torque. Sizing and selecting the servo motor requires determining both the continuous […]
Using software for designing and sizing motion-control systems
Today servomotors abound. Thankfully the art of using speed, torque, and inertia to select from these servomotor offerings for specific applications has become quite automated. By Sixto Moralez • Regional motion engineer | Yaskawa America Inc. Drives & Motion Div. Now, certain sizing and selecting software only requires that design engineers enter a minimum of […]
Güdel gantry robots add gentle touch to bakery automation
In the U.S., about 50 million people a day eat at fast-food restaurants — and about 60,000 of those establishments sell hamburgers. That requires epic volumes of fresh buns every day … and only commercial bakeries with automated operations can output sufficient production volumes. Workhorse Automation Inc. (based in Oxford, Pa.) supplies machines to this […]
When should you use microstepping control for stepper motors?
Stepper motor operation is relatively straightforward. The drive sends pulses of current to the motor, and each pulse advances the motor by one step, or fraction of a revolution. The amount of movement per current pulse depends on the design of the stator and rotor. For permanent magnet stepper motors, a full step angle of […]
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