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 […]
Why use linear guides and ball screws with ball chains?
One of the differences between radial ball bearings and recirculating ball linear guides has historically been that radial bearings typically use a cage to separate the balls and control their movement, whereas profiled rail guides did not. But in the early 2000’s, manufacturers of profiled rail bearings began introducing versions with ball cages (also referred […]
New rack and pinion systems available from GAM Enterprises
GAM now offers new helical rack and pinion systems. High quality rack and precision pinions are paired with GAM gearboxes for optimized system performance. Helical rack provides smooth, quiet operation and precision operation. The rack is available in 1-meter lengths in module 2, 3, or 4 and ISO quality 6 or 10. Precision pinions in […]
Just for fun! 10 jokes about (and for) engineers
Engineers are often the butt of jokes, and in many cases, we deserve it. From our single-pointed focus on our studies in college, to our relentless need to be right, to our literal interpretation of, well, everything — we unintentionally make ourselves an easy target. But most of us take it in stride and even […]
What are planar errors and how do they affect the accuracy of a linear motion system?
In an ideal world, a linear motion system would exhibit perfectly flat, straight motion and reach the intended position with zero error every time. But even the highest precision linear guides and drives (screws, rack and pinions, belts, linear motors) have some errors due to machining tolerances, handling, mounting, and even the manner in which […]
How to convert between mass and force — in metric and English units
Converting between mass and force is a common step in the design and sizing of linear motion systems. If you’re lucky, you work primarily in one set of units — either metric or English. But it’s likely there has been (or will be) a time when you need to work in both systems of units, possibly […]
New induSENSOR controller for inductive displacement sensors
The new induSENSOR MSC7401 controller from Micro-Epsilon works for displacement and distance measurements in automation technologies and machine building. The controller is compatible with inductive LVDT and LDR measuring gauges and displacement sensors from Micro-Epsilon. The MSC7401 controller is designed to be operated with LVDT and LDR measuring gauges and displacement sensors. These sensors are […]
Micro-Epsilon draw-wire sensor is smallest in the world
The new Micro-Epsilon wireSENSOR MT19 draw-wire sensor has a weight of only 8 g and a size of just 19 x 19 mm. This wireSENSOR MT19 linear sensor is used for displacement and distance measurements with a measuring range of 40 mm. The dynamic sensor is compact and enables wire accelerations up to 60 g. […]
Thomson creates online industrial linear-actuator sizing and selection tool
Thomson Industries, Inc. now offers a new Linear MOTIONEERING online tool that helps design engineers accurately size and select electric linear actuators. The powerful, self-service functionality of the tool provides an interactive series of questions, making it easier for users to benefit from Thomson’s extensive application engineering knowledge base. The online questionnaire starts with an […]
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