High-force actuators
The Digit-HT series of compact linear actuators provides up to 440 lbs of force using a 35 VDC driver at 1.7 to 3.4A. Available in 2-, 4- and 8-in. stroke lengths, the actuators can travel at speeds up to 14 in./sec. The repeatability of these totally-enclosed actuators is 1.5 microns. They are available in a variety of drive screw combinations, and in many mounting styles. Ultra Motion, Mattituck, NY. www.rsleads.com/209df-267

Potentiometer wipers
Sold as “do-it-yourself” kits, these element and rotor wiper assemblies provide 100,000,000 revolutions, offering smooth precision sensing with high resolution. The kits require no shaft housings or bearings, so their reduced size is only 0.187-in. thick. The manufacturer claims a minimum life of 50 years for the assemblies if run at 4 rpm, 24 hours a day, 365 days a year. JDK Controls, Grass Valley, CA. www.rsleads.com/209df-268

Stage system
The EasyLinear Profiled Rail Stage System is designed to use any brand of preferred profiled rail. Numerous drive options are offered, including multiple ballscrew leads, acme, hi-helix multi start, and lead screws with acetyl and polymatrix nuts. Accessories include motor mounts for C-face NEMA, Oriental and European metric motors. Hand cranks with locks and limit switches are also offered. Leidemaul Ltd, Rockford, IL. www.rsleads.com/209df-269

Self-contained encoders
This company has added 4 self-contained optical encoders to their product lines. The RHS15, RCH20 and RCH are hollow shaft units in sizes 1.6-in., 2.0-in. and 2.5-in. OD, with maximum resolutions of 1250, 8192 and 6000 pulses per revolution, respectively. The RS15 is a face-mounting encoder identical in specification to the RHS15. All have integral bearings. Renco Encoders Inc, Goleta, CA. www.rsleads.com/209df-270

Prox sensor control
This electronic rotation control (CRTP) measures the time gap between two signals supplied by a proximity sensor reading a revolving or cycling mechanism. When the time gap becomes greater than the preset value, the device activates. This output can be used to signal a drop in velocity or to stop the operation of the mechanism. The CTRP has a time scale ranging of 0.03 to 512 seconds. Fargo Controls Inc, Eatontown, NJ. www.rsleads.com/209df-271

Locking cylinder option
The VDMA (ISO) locking cylinder comes as an option on the company’s externally powered DirectConnect thrusters and base slides. Bore sizes offered are 32, 50 and 63 mm, and the head and the locking device are built into a common block for a compact profile. The cylinder acts as a safety lock in machine installations when there is a loss or failure of air pressure to the machine. Robohand Inc, Monroe, CT. www.rsleads.com/209df-272

Dynamic brakes
A steel brake housing and additional mounting options are available for the 320 Series of armature-actuated electric disc brakes. The 320 is offered in three sizes — Size 1.2, with a static torque rating of 3 lb-in.; Size 1.8, for 42C frame motors, with a static torque of 7 or 15 lb-in.; and the Size 2.8, with 35 lb-in of static torque. These are typically used on small gearmotors. Stearns Division of Rexnord Corp, Cudahy, WI. www.rsleads.com/209df-273

I/O controllers
A digital electronic I/O module can replace traditional relay logic to drive on/off solenoid or proportional solenoid circuits, including starter motors, brakes and hydraulic valves. Features of these modules can include valve drivers, safety interlocks with sequencing, isolated timed power for 12V lamps, and indicator LEDs. Robust packaging protects the modules from mobile environments. Axiomatic Technologies Corp, Mississauga, ON. www.rsleads.com/209df-274

Automotive torque sensors
The MCRT 27000V Series torque wheels accurately measure wheel torque and speed during driving, braking and coastdown maneuvers. Integral signal conditioners eliminate the need for external amplifiers, and the devices are waterproofed to permit operation in shallow water. Dual ±5 or ±10 VDC outputs are available for direct interface with vehicle data acquisition systems. S Himmelstein and Co, Hoffman Estates, IL. www.rsleads.com/209df-275

Linear encoder
The accuracy of this long stroke, 100 mm linear encoder is better than one micron, with a resolution equal to 0.05 micron. Digital signals from the probe interface coordinate with a PC/PLC, digital probes or a variety of digital readouts. The company has also introduced a Servo-Controlled encoder that controls approach and retract speeds, and position and measuring forces. Solartron Metrology, Gastonia, NC. www.rsleads.com/209df-276

Gas pressure monitor
The APM-3000 Automatic Pressure Monitor is designed for nitrogen gas systems. It includes 15 ft of hose and a female quick disconnect that can attach to the manifold or control panel. With the monitor, if pressure drops below a preset lower limit (200-3000 psi), a red warning light alerts the operator. The unit can also be wired to shut down the press. Hyson Products, Brecksville, OH. www.rsleads.com/209df-277

Stepper/servo brakes
Offered in sizes NEMA 23 and NEMA 34, the FEB (Front End Brake) Line is a compact power-off brake designed to be mounted on the front end of stepper or servo motors as a safety feature or load-holding. It is suited for such applications as office and factory automation, material handling, robotics, CNC tools and systems, medical equipment, semiconductor manufacturing equipment, packaging machinery, etc. Electroid Co, Springfield, NJ. www.rsleads.com/209df-278

In-cylinder sensor
The TDP-100 hybrid sensor uses high-resistivity conductive plastic bonded to a precision wire-wound element to provide absolute analog output and 0.15% linearity, with no additional electronics required. The device safely within cylinders pressurized to 7200 psi with mineral-based fluid, eliminating the need for damage-prone external sensors. Transducers Direct, Cincinnati, OH. www.rsleads.com/209df-279

Custom lead screws
This company offers a wide variety of custom products in addition to their lines of non-ball lead screws. Their standard product line experience includes standard diameters from 1/8- to 15/16-in., with standard leads from 0.02- to 3-in. including hard metric and left hand threads. Custom nut configurations and mountings are also readily available. Kerk Motion Products Inc, Hollis, NH. www.rsleads.com/209df-280

Nanomechanical testing
The Nano Bionix/UTM device combines the company’s load actuation and displacement sensing technology for extremely accurate dynamic testing with very small forces. Targeted at polymer and biomaterial applications where very small forces create high strains, this product permits performance of dynamic strain tests in the nano realm. MTS Systems Corp, Eden Prairie, MN. www.rsleads.com/209df-281

Rotary encoder catalog
The latest catalog from this company details their lines of incremental and absolute-type rotary encoders. Various models are divided into two groups — rotary encoders with mounted stator coupling, and rotary encoders for separate shaft coupling. Rotary encoders suit many applications, from simple positioning tasks to the highly dynamic control of electrical drives. Heidenhain Corp, Schaumburg, IL. www.rsleads.com/209df-282

Torque tester
TMB Torque Transducers are rated from 1 to 500 Nm nominal torque with an accuracy of 0.2% and speeds to 6000 rpm. Integrated electronic conditioning offers open collector speed outputs and a torque signal of ±5 VDC, over ranging to ±10 VDC. For enhanced capability, the Model 6400 display provides excitation to the transducer and displays torque, speed, mechanical power and direction of rotation. Magtrol Inc, Buffalo, NY. www.rsleads.com/209df-283

Wheel torque sensors
These wheel torque sensors feature wireless signal transmission of torque, speed and temperature. The digital FM telemetry system eliminates the need for slip rings or rotary transformers to transfer the rotating signals. Installation does not require rim modifications or anti-rotation brackets. All signals are represented as high-level analog outputs from the remote receiver. Sensor Developments Inc, Orion, MI. www.rsleads.com/209df-284