Linear Drive
Linear Drive news and technical articles from Vision Systems Design magazine. Search Linear Drive latest and archived news and articles
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Harmonic linear drive needs no brake
The harmonic linear drive (HLD) is a linear-belt-drive solution providing high accuracy and low cost without the need for a gearhead or brake. The …
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Vision + Automation Products
Harmonic linear drive needs no brake; Compact cameras serve many applications; Camera scans at 70-kHz line rate with 8192-pixel resolution; Frame grabber has S-Video, CVBS inputs; and MORE…
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Motion controllers provide sub-nanometer resolution
… alternative by using an analog Sin-Cos encoder solution," said Evan Reed, ACS Vice President. The SPiiPlus PCI and linear drives were tested on a high performance XY table used for wafer inspection with Sin-Cos encoder resolutions of 4nm (250 lines …
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Flat-panel inspection demands precision
… Glass holding and transport are achieved through the use of linear drives . Inspection begins with raw glass inspection, where a set of ..... pinion driven motion-control and positioning systems, linear drives are often used (see Vision Systems Design, July 2005 …
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Piezoelectric drives position cameras
… mm travel. PI’s RodDrives, for example, are designed to replace rotary motor/leadscrew assemblies or magnetic linear drives in micropositioning systems. Each drive consists of a rod preloaded by piezolinear motors from two sides. By coupling either …
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Vision-guided robot packs produce
… classification of the apple’s size, color, and quality. All movement axes are based on Hoerbiger-Origa’s OSP-E electric linear drives . Belt-drive models are used in preference to ballscrew units because the former’s robust construction requires minimal …
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Optimizing motion-control-system design
… maintenance associated with lead, ball screw, belt, and rack-and-pinion driven motion control and positioning systems, linear drives can be used. These offer a novel way of driving particular types of stages using a variation of the ac servomotor called …
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Robotic vision speeds DNA analysis
… and time-consuming, the Max-Plank Institute approached Linear Drives Ltd. (LDL; Basildon, Essex, England) to develop a robotic ..... actuators. Says LDL sales and marketing manager Rob Houghton, " Linear drives are a form of linear servo motor, controlled in the same …
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PC-controlled tables lower positioning-system cost
… available. These include manual drives and automatically controllable drives such as stepper and servomotors, actuators, linear drives , and piezoelectric actuators. While many systems integrators do not need to know the underlying theory behind x-y table design …
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FireWire components eliminate multiple buses
… level of accuracy, Infotech used several off-the-shelf FireWire-based imaging, motor control subsystems, precision linear drives , and rotary encoders. "Instead of using a bulky wiring harness to carry data, input/output, and power signals around …