Motion Control

Optical Encoders

MICROMO (Clearwater, FL) announced the FAULHABER high-precision IER3 and IERS3 optical encoders. Both encoders deliver two-channel quadrature signals and an additional index signal. They can position a FAULHABER micro DC motor or brushless DC servomotor with a typical accuracy of 0.1° to 0.3°. The encoders combine the LED, photodetectors, analysis unit, and interpolation levels on one chip. They lengthen motors by 15.5 to 18.5 mm. Both encoders are also available with line drivers that generate complementary output signals and make data transmission resistant to electrical interference, especially in encoders with long connecting cables. The IER3 encoder has a resolution of up to 10,000 lines per revolution, and achieves an angular resolution of 0.009° with the evaluation of 40,000 edges per revolution. The IERS3-500 provides resolutions of 250 and 500 lines per revolution.

Posted in: Products, Electronics & Computers, Motors & Drives, Optical Components, Optics
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Electro-Hydraulic Motion Controller

Delta Computer Systems (Battle Ground, WA) has announced the RMC200 closed-loop electro-hydraulic motion controller that has the capacity to handle closed-loop control of up to 32 motion axes. The controller can synchronize the motion of multiple axes, enabling the construction of machines with scalable performance and quick production changeovers. It provides built-in support for controlling pressure/ force as well as position/velocity/acceleration. Through use of a programmable feature key, the controller will enable only the number of control loops that a customer’s application needs. Other features include a display screen on the CPU, I/O modules with push-in wire connectors, and fully encased, user-installable modules that “rock-in” to provide power-sequencing capability. The unit’s modular expandability enables it to support expanded control and I/O interfacing compatibility as new modules are developed.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Grippers

Airpot® Corp. (Norwalk, CT) announced GramForce™ Accurate Force Pneumatic grippers that generate no measurable friction and provide a gentle grip for delicate operations. They operate at pressures from 0.02 MPa to 0.7 MPa, and offer holding pressures as low as 0.25 N (0.056 pounds) and up to 8.6 N (1.9 pounds). With synchronous and counterbalanced parallel design that allows unchanging gripping force in any mounting orientation, the grippers are internally driven by two 5.6-mm-bore pneumatic actuators. The carriage blocks are mounted on a stainless steel rail. They have operating ranges from -20 to 80 °C. The design accommodates finger lengths up to 75 mm. Assembled, the gripper is less than 50 mm high, less than 79 mm long, and 26 mm wide. The grippers are suited for precision assembly equipment, test and measurement devices, robotic end-effectors, small parts handling, and machining operations.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Hollow Shaft Encoder

Kübler (Charlotte, NC) released the Sendix F5883 Motor-Line optical hollow shaft encoder with a mounting depth of 43 mm. The encoder is based on the Sendix platform, and features Intelligent-Scan Technology . It is insensitive to magnetic fields, offers EMC characteristics, and supports interfaces such as SSI, BiSS, SinCos, RS422, and Push-Pull for connection to frequency converters. The encoder is resistant to installation errors, shock, and vibration. It is available with a through hollow shaft of up to 15 mm, and clamping on the A and B side for all usual geared motor drive shafts. With a tangential cable outlet, the encoder can be installed in tight mounting spaces.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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AC Drive

Danfoss Drives (Milwaukee, WI) introduced the VACON 20 AC drive that features built-in PLC functionality. It is available in all common voltages (110- 600V), and a power range up to 18.5 kW/25 HP. The built-in RS-485 interface offers a serial control interface for the drive. With optional modules, the drive can be connected to almost any communication system including CANOpen, Fieldbus, DeviceNet, and Profibus DP. Features include accessible terminals, built-in DIN rail mounting, and the MCA parameter-copying tool that can clone settings without main power in the drive. Users can build their own control logic in the drive, and utilize unused I/O of the drive for performing other machine-related tasks. In addition, the parameter list can be freely modified, and application-specific parameter sets and default settings can be created.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Positioning Controllers

maxon motor (Fall River, MA) offers the EPOS4 controller module with detachable pin headers and two different power ratings. With a connector board, the modules can be combined into a ready-to-install solution. The position controllers are suitable for control of brushed DC motors and brushless BLDC motors (EC motors) with Hall sensors and encoders up to 750W continuous power and 1500W peak power. The CANopen positioning motor controllers are available with Ethernet-based interfaces such as EtherCAT, or absolute rotary encoders. Features include Field Oriented Control (FOC) with multiple analog and digital I/O, along with various command options. Start-up and parameterization are performed with the EPOS Studio intuitive graphical user interface and user-friendly, menu-controlled wizards.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Fan Controller

Orion Fans (Dallas, TX) offers the OA11/22 fan speed control unit that provides precise airflow control. The field-adjustable, dual-channel phase control unit allows the user to control fan speed for single or multiple fan assemblies. The control units are designed for use with any AC fan or fan tray. The 120/220 VAC speed control unit allows users to specify and control fan noise, speed, and air delivery according to specific application requirements. Four user-adjustable speeds (off, low, medium, and high) allow for maximum control and flexibility with minimum setup time. The unit is designed with fan trays and equipment racks in mind, where noise versus airflow needs to be controlled according to immediate needs.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Position Sensors

TE Connectivity (Pennsauken, NJ) announced the HLIR 750 intrinsically safe, 4-20 mA LVDT position sensors that are CSA listed for use in hazardous locations and where an intrinsically safe sensor is required. With stainless steel construction and a hermetically sealed sensor body, these LVDT position sensors provide contactless position measurement for critical applications in gas turbines for fuel valve position feedback, vane pitch servo controls, governor controls, and generator shell expansion measurement.

Posted in: Products, Manufacturing & Prototyping, Motion Control, Sensors
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Feedback Cylinder

The Series 6PF positioning feedback cylinder from Camozzi Pneumatics (McKinney, TX) is equipped with a potentiometric transducer of a linear position integrated inside the rod. This type of cylinder, when used with the LRXA4 proportional servo valve, makes it possible along the entire stroke to constantly control the position of the rod. The pistons are equipped with specific seals for increased accuracy, and a permanent magnet in order to use external end-stroke sensors. The cylinder is suited for use in tensioning cylinders, positioning cylinders, and filling/cutting/measuring systems. Features include bores from 50 to 125 mm, standard strokes from 50 to 500 mm (50-mm intervals), ISO 15552 compliance, protection class IP67, and assembly with standard ISO accessories.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Brake

SEPAC (Elmira, NY) announced the Thin Spring Engaged Brake, a thin-body, spring-engaged, power-off brake. The brake offers reversible mounting with the shaft extending past the brake or within the brake body. The friction disc/rotor and hub are manufactured from lightweight metal, allowing for lower inertia. A splined hub for shaft connections typically provides less than 1.5° backlash. The brake is suited for servo motors/systems, medical apparatus, robotics and imaging equipment, material handling, semiconductors (wafer handling equipment), energy-related (wind, petroleum, etc.) actuators, and security-related actuators for doors, gates, and curtains.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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