Servodrive
XtraDrive-DL servo system features a dual-loop design that addresses instability issues inherent in high-speed precision motion systems requiring high accuracy.
Features & benefits
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Senses and compensates for load position inaccuracies caused by repetitive motion, temperature changes, and wear
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Two encoders commutate the motor and control algorithm function intelligently
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Dual-loop mode reduces tracking error to ±1 µm
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Integrated amplifier/1.5 axis controller, dual-loop option board, and motor stand alone or integrate into existing systems
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Can be driven by analog, step, and direction or reference from a PLC or multi-axis controller
YET US Inc.
(866) 938-8080
www.yet-motion.com
Circle 154
Linear motion guide
Box Redi-Rail linear motion guide is rigid, self-supporting, and interchangeable for faster and easier installation.
Features & benefits
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30 and 45-mm sizes
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T-slots allow for easy adaptability to many components and assemblies
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Made with extruded aluminum alloy rail and hardened steel raceways, sealed double ball bearings, and seals
Pacific Bearing Co.
(800) 729-9085
www.pacific-bearing.com
Circle 155
Non-magnetic rigid chain
RigiBelt is made of reinforced plastic and stainless steel, with two belts that join together like a zipper to form a column.
Features & benefits
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Driven with electric motor; handles loads from 2 to 1,000 lb
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Stroke lengths to 6 ft unguarded
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Available size is 25 mm2
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Moves quickly and quietly while telescoping in and out
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Mechanical design suits clean room conditions
Serapid Inc.
(586) 274-0774
www.serapid.com
Circle 156
Sercos analog, digital devices
Sercos III Block I/O digital and analog devices easily integrate I/O signals in technical testing and regulating applications by connecting sensors and actuators to high-level control systems.
Features & benefits
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Digital version has 16 fast inputs and 16 combined fast inputs or outputs
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I/O function on digital device is defined by connected actuator or sensor
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Analog model has four inputs and two outputs that are configured individually
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Four inputs allow differential registration of analog current or voltage signals; two inputs connect current or voltage actuators
Bosch Rexroth Corp., Electric Drives and Controls Div.
(800) 739-7684
www.boschrexroth-us.com
Circle 157
Optical commutation encoder
RCML15 encoder provides signals for brushless motor commutation as well as incremental position feedback in a low profile.
Features & benefits
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3.3 V supply ±10% maximum ripple, and 40 mVp-to-p
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Resolution to 4096 µm
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Commutation for 4, 6, 8, and 10-pole brushless motors; 20° rotation aligns signals with motor poles
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Custom LED and CMOS sensor arrangement offer high performance and reliability
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Slide/gap mechanism installs easily
Renco Encoders Inc.
(805) 968-1525
www.renco.com
Circle 158
Dc micromotor
Series M2232U dc micromotors feature low-cog rotation by combining skewed laminations and a tapered magnetic system.
Features & benefits
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22-mm diameter and 32-mm long
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Achieves stall torque of 25.62 mNm and speeds to 10,000 rpm
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6, 12, and 24 V windings
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Two versions have graphite commutation for long life under overload conditions
Micro-Drives
(727) 572-0131
www.micro-drives.com
Circle 159
Linear actuators
LCB series of compact linear actuators incorporates a low friction, dry running, sliding bearing carriage that provides long, reliable travel life, even at 100% duty cycle.
Features & benefits
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Acceleration at 20 m2; speeds to 8 m/sec
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Low carriage mass and steel-reinforced timing belt allow high acceleration and sustained velocity
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Two profile sizes deliver increased throughput, dry running/low friction bearings for long life, low noise, and high static load capacity
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External sliding guide with integrated dry-film lubricant eliminates two-rail adjustments
Parker Hannifin Corp., Actuator Div.
(330) 335-2136
www.parker.com/actuator
Circle 160
Wafer-mapping sensor
OHDM 16 long-distance laser-diffuse sensor detects stacked 300 mm wafers from the open side of the Front Operating Unified Pod (FOUP) regardless of surface quality or coating.
Features & benefits
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Sensing range to 133 mm allows mounting to front of FOUP, but outside handling area
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Background suppression feature eliminates interference from back of FOUP and allows wafer detection even if notch or flat is facing sensor
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Laser emitting beam, high accuracy optics, and signal compensation allow ultra high excess gain on 300-mm coated wafers
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IP67, die-cast zinc housing; operates in temperatures from -5° to 50° C
Baumer Ltd.
(800) 937-9336
www.baumerelectric.com/usa
Circle 161
Clutches and brakes
AquaMaKKs water-cooled clutches and brakes provide accurate torque control for constant tensioning.
Features & benefits
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Fewer parts mean easier installation and maintenance
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Water jacket design ensures high heat absorption and torque stability for heat dissipation
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Mounting pattern enables direct replacement in other units
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Operate in harsh environments, including salt water spray
Wichita Clutch, Altra Industrial Motion
(800) 964-3262
www.wichitaclutch.com
Circle 162
Air-bearing stages
ABRT rotary air-bearing stages feature large air-bearing surfaces and preloading for high stiffness and load capacity.
Features & benefits
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Provide 360° continuous travel with resolution to 0.027 arc/sec
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69 kg payload capacity
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Less than 20 nm asynchronous axial and radial error motion; less than 0.04 arc/sec asynchronous tilt error motion.
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Use slotless, brushless motor to maximize positioning and produce high torque output with minimal heat generation
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Speeds to 1,200 rpm
Aerotech Inc.
(412) 967-6854
www.aerotech.com
Circle 163
Anti-seize lubricants
Permatex brand lubricants protect mated metal parts against corrosion, rusting, galling, friction, and seizing.
Features & benefits
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Inert blend of heavy-duty aluminum, copper, and graphite lubricants in a petroleum base
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Withstands temperatures from -60° to 1,600° F without hardening or evaporating
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Copper-free, nickel version withstands temperatures to 2,400° F even under extreme pressure
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Food-grade lubricant is non-drying, nonmetallic, PTFE-fortified, and synthetic-based; operates in temperatures to 900° F
Devcon
(800) 933-8266
www.devcon.com
Circle 164
Clamping sleeves
Kostyrka GmbH clamping sleeves create a shaft-hub joint actuated by hydraulic pressure to support machine tools.
Features & benefits
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20 sizes from 10 to 140-mm ID
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Holding force in excess of 22,000 lb-ft with only negligible axial movement of part being clamped
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Transmit force and open and close quickly in a compact design
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Actuated by low hydraulic pressures
Euro-Tech Corp.
(262) 781-6777
www.eurotechcorp.com
Circle 165