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
Senses and compensates for load position inaccuracies caused by repetitive motion, temperature changes, and wear
Two encoders commutate the motor and control algorithm function intelligently
Dual-loop mode reduces tracking error to ±1 µm
Integrated amplifier/1.5 axis controller, dual-loop option board, and motor stand alone or integrate into existing systems
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
30 and 45-mm sizes
T-slots allow for easy adaptability to many components and assemblies
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
Driven with electric motor; handles loads from 2 to 1,000 lb
Stroke lengths to 6 ft unguarded
Available size is 25 mm2
Moves quickly and quietly while telescoping in and out
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
Digital version has 16 fast inputs and 16 combined fast inputs or outputs
I/O function on digital device is defined by connected actuator or sensor
Analog model has four inputs and two outputs that are configured individually
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
3.3 V supply ±10% maximum ripple, and 40 mVp-to-p
Resolution to 4096 µm
Commutation for 4, 6, 8, and 10-pole brushless motors; 20° rotation aligns signals with motor poles
Custom LED and CMOS sensor arrangement offer high performance and reliability
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
22-mm diameter and 32-mm long
Achieves stall torque of 25.62 mNm and speeds to 10,000 rpm
6, 12, and 24 V windings
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
Acceleration at 20 m2; speeds to 8 m/sec
Low carriage mass and steel-reinforced timing belt allow high acceleration and sustained velocity
Two profile sizes deliver increased throughput, dry running/low friction bearings for long life, low noise, and high static load capacity
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
Sensing range to 133 mm allows mounting to front of FOUP, but outside handling area
Background suppression feature eliminates interference from back of FOUP and allows wafer detection even if notch or flat is facing sensor
Laser emitting beam, high accuracy optics, and signal compensation allow ultra high excess gain on 300-mm coated wafers
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
Fewer parts mean easier installation and maintenance
Water jacket design ensures high heat absorption and torque stability for heat dissipation
Mounting pattern enables direct replacement in other units
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
Provide 360° continuous travel with resolution to 0.027 arc/sec
69 kg payload capacity
Less than 20 nm asynchronous axial and radial error motion; less than 0.04 arc/sec asynchronous tilt error motion.
Use slotless, brushless motor to maximize positioning and produce high torque output with minimal heat generation
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
Inert blend of heavy-duty aluminum, copper, and graphite lubricants in a petroleum base
Withstands temperatures from -60° to 1,600° F without hardening or evaporating
Copper-free, nickel version withstands temperatures to 2,400° F even under extreme pressure
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
20 sizes from 10 to 140-mm ID
Holding force in excess of 22,000 lb-ft with only negligible axial movement of part being clamped
Transmit force and open and close quickly in a compact design
Actuated by low hydraulic pressures
Euro-Tech Corp.
(262) 781-6777
www.eurotechcorp.com
Circle 165
