Motion Control

Linear Shaft Motor

The S605 linear shaft motor from Nippon Pulse America (Radford, VA) offers up to 3100N of acceleration force and a continuous force of 780N. The motor is designed for industrial applications requiring high force, high precision, energy efficiency, and/or high precision. Available with one of three types of windings (double, triple, and quadruple), the motor has an acceleration force range from 1000N to 3100N, and acceleration current from 34 to 35A. It has a shaft diameter of 60.5 mm, and is available with effective strokes between 200 and 2000 mm. Other features include a non-critical air gap of 1.75 mm, and a rated voltage of 240V. The motor is available in 18 different sizes, ranging from 4 mm to 60.5 mm. It uses all magnetic flux and minimizes heat generation.

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Rotary Actuator

Pangolin Laser Systems (Orlando, FL) has introduced the VRAD-1510 low-power rotary actuator based on a dual-coil, segmented stator design. It can be used in electromechanical applications such as automotive, industrial machinery, robotics, HVAC, and valve control. The actuator incorporates a magnetic spring and preloaded ball bearings. The design eliminates the need for mechanical stops on shaft rotation. The coils may be driven in series, in parallel, or separately. The actuator is equipped with front and rear shafts, allowing multiple points of attachment or the use of an encoder or position sensor for closed-loop operation. The stator design uses a series of asymmetrical, interleaved laminations that fit together in a way that prevents the introduction of air gaps to the motor’s magnetic field.

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Piezo-Positioning Stage

Piezosystem jena (Hopedale, MA) has introduced the PX 100 CAP piezoelectric nanopositioning stage that features a travel range up to 100 μm of motion in closed-loop mode. A highresolution capacitive feedback sensor is built in. The sensor measures a deviation with sub-nanometer accuracy, and operates in a direct metrology fashion. The stage measures 40 × 40 × 20 mm, and is designed for highprecision positioning of small components such as mirrors or other optical components.

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Vibration Isolation Workstation

The Vision IsoStation vibration isolation workstation from Newport Corp. (Irvine, CA) provides scientific- grade optical breadboard platforms in sizes from 24 × 24" to 36 × 72". The breadboards feature steel, triple-core-interface honeycomb construction that minimizes static deflection and increases point-loading capability. The platform interface acts as a docking surface, an accessory mount, and a restraint to keep the breadboard on top of the workstation frame. The interface also features float-height indications and frame bubble levels. Integrated leveling feet and casters are standard.

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Brushless DC Motors

Dunkermotor (Elgin, IL) offers iBLDC™ brushless DC motors with integral four-quadrant speed controls in a 45-mm frame size. The motors feature digital control and power electronics, and operate with a 12V or 24V power source at a nominal speed of 3000 rpm. Motor target speed can be set using an analog ±10VDC input signal. The drive has a total of four digital inputs: two for selecting the four operating conditions, and two for selecting the fixed motor speed.

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Position Sensor

The iC-LO from iC-Haus GmbH (Bodenheim, Germany) is a triangulation position sensor designed as a system-on-chip for the assembly of diffuse reflective photoelectric sensors with switching outputs. Integrated functions include the photodiodes, LED driver, microcontroller interface, signal conditioning circuitry, and signal filter unit. The optical array is divided into one near diode, 127 middle diodes, and one far diode. Two AC amplifiers are integrated together with the optical array to enable high interference and ambient light suppression, and a dynamic range of up to 100 dB. Using a filter glass, an ambient light suppression of up to 100 kLux can be obtained.

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Diaphragm Pump

The 1410 Series DC miniature diaphragm pump from Thomas Division (Sheboygan, WI) measures 3.3 × 1.2 × 2.1" and is designed so that a full range of motor options, and several design configurations, can be used, depending on the life requirements and specifications of the application. Designed for applications requiring high performance in a compact package, the 1410 Series features a low sound level, is lightweight (0.4 lbs/180g), and is EMC suppressionqualified to EN55011-B on some designs. Maximum flow is 4.3 lpm, with a maximum pressure of 27.5 psig/1.9 bar, and a maximum vacuum of 22.0 in.Hg.

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