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Linear Motors

Applimotion (Loomis, CA) offers LARC (Linear Arc) motors for large-diameter applications greater than 1 meter in diameter. The modular nature of the motors allows them to integrate with large assemblies for scanning, imaging, and metrology applications where size requirements take priority over high-torque requirements. LARC motors come in modular pieces and bolt into any large-diameter servo motor application. The motors operate from standard brushless motor amplifiers from 24 to 30V. They work with encoders, resolvers, or magnetic encoders for directdrive applications. The motors offer a low-profile design to fit into tight spaces. Hermetically sealed magnet tracks and coil assemblies are available for vacuum or special environments.

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Position Switches

AutomationDirect (Cumming, GA) offers the NITRA® line of position switches for pneumatic cylinders, including round, dovetail, t-slot, square, and D-shaped. Additional dovetail accessories are available to accommodate larger dovetail slots. The solid-state electronic switches are available in normally open, 3-wire DC PNP and NPN configurations, and can be purchased with an M8 wiring connector or 3-meter integral cable with wire leads. Mounting bands with adapters for round body cylinders are available ranging from 1/8" to 4" sizes.

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Rotary Position Sensor

Piher Sensors & Controls (Chicago, IL) has introduced the MTS-360 Mechanical Mount rotary position sensor with integral PCB. Designed with the sensor directly mounted onto a PCB, the package allows engineers to install a rotary sensor without designing a printed circuit board for the sensor. The assembly is available with either 6-pin (dual output) or 3-pin (single output) Molex 90119 Series mating connectors. The assembly can be secured with three standard M3 screws.

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Vibration Isolator

Minus K Technology (Inglewood, CA) has released the CM-1 compact, high-capacity, low-frequency, negative-stiffness isolator designed to support heavy payloads while reducing low-frequency vibrations. The isolator comes in several capacity ranges to match vibration-sensitive instruments such as SPMs, micro-hardness testers, profilers, interferometers, electron microscopes, or other imaging systems, for weight loads from 50 to 800 pounds. The isolator delivers a vertical natural frequency of 1/2 Hz or less, which can be achieved over the entire load range. Horizontal natural frequency is load-dependent. The unit is completely passive, using no air or electricity, and can be combined into multi-isolator systems to support heavy payloads. They can be placed on pedestals to bring them to an appropriate height to retrofit existing air tables.

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Rotary Position Sensors

Bourns (Riverside, CA) has introduced the Bourns® Model AMS22U and Model AMM20B non-contacting rotary position sensors for rugged environments. They utilize magnetic Hall Effect (HE) technology, and are designed for pneumatic control valve position feedback, actuator motor position feedback, lift/shuttle suspension systems, and tilt control feedback. The Bourns® Model AMS22U is a single-turn, non-contacting rotary position sensor that offers a rotational life of up to 100 million cycles, and features a 1/8" shaft supported by dual ball bearings and a factory-programmable electrical angle from 10 to 360 degrees. The Bourns® Model AMM20B is a multi-turn, noncontacting rotary position sensor that features a rotational life of up to 50 million cycles. It features a slim profile for space-constrained applications, 12-bit resolution, and a factoryprogrammable electrical angle from 1080 to 3600 degrees.

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Controllers

The Simatic S7-1500 controllers from Siemens Industry (Chicago, IL) feature integrated motion control, security, and safety functions, as well as a color display. The controllers feature a backplane bus with a high baud rate and efficient transmission protocol, and have have two built-in, standard Profinet interfaces. The largest controller in the line has an additional Profinet interface onboard with a separate IP address, allowing network isolation to integrate into the corporate network.

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Cartesian Robot

IAI America (Torrance, CA) offers a Cartesian robot with commanded acceleration of up to 3.2 G (maximum instantaneous acceleration: 4.8 G). The dedicated cast aluminum frame ensures high rigidity. The shape and vibration damping of the fastening brackets for XY-axes reduce the vibration at the tip of the Zaxis, while the vibration control function of the XSEL controller reduces vibration during highspeed operation. A wide operation range of 400 mm (X-axis) × 300 mm (Y-axis) is provided. The high-speed Cartesian robot combines single- axis robots, each performing linear motion, for straight-moving performance.

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