Products

Linear Drive

An inexpensive optional hardware attachment for linear drives from Amacoil (Astron, PA) allows mechanically controlled ramp down of linear speed. The slowdown option requires no electronics or programming and may also be configured for dwell if the drive unit is required to stop. The slowdown feature is also useful in traverse winding drive assemblies for winding flat materials because it slightly increases the wrap time at the spool flanges. Operating completely independent of the drive motor, the mechanical ramp down feature assures a gradual reduction in linear speed before reversal, which dissipates the forward momentum of the load being moved to prevent shaking or jarring during reversal.

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Stepper Motor Drive

The StepNet AC drive from Copley Controls (Canton, MA) runs directly on 115/240 Vac at 7 A, eliminating the need for a separate DC supply. It offers servo mode operation and has built-in modes for indexing, trajectory tracking, camming, and electronic gearing. The drive can operate alone or as part of a distributed control network.

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Anti-Backlash Assembly

The ZBX Series anti-backlash assembly from Kerk Motion Products (Hollis, NH) offers a linear actuator for design operations requiring precise positional accuracy and repeatability, at minimal cost. The inherent damping qualities of the ZBX design suit it for vertical applications requiring noise or vibration control.

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Incremental Rotary Encoder

The CH25 incremental rotary encoder from Celesco Transducer Products has a powder- coated enclosure rated for use in IP67 environments. It has a 2 ½-inch square flange and a 3/8-inch diameter shaft.

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Push/Pull Switches

The PP1 and PP2 series push-pull switches from Lamb Industries, Inc. (Portland, OR) have push-and-pull capable actuators and can be specified for the unique ON2-ON1-(ON2) function. This function is a standard crossover function with an option of either a momentary action when the actuator is pushed or a maintained action when the actuator is pulled.

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Variable Frequency Drive

The VLT(R) series variable frequency drive from Danfoss Drives (Loves Park, IL) comes in ratings up to 1350 HP at voltages of 460 and 690 VAC. F1 frame models deliver up to 1050 HP in an 86.8 in. × 55.1 in. × 23.9-in. footprint, while F2 frame models deliver up to 1350 HP in an 86.8 in. × 71.0 in. × 23.9- in. footprint.

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Positioning Controller

EPOS, the second generation intelligent positioning controller from Maxon Precision Motors (Fall River, MA), is suited for applications requiring decentralized drive intelligence. Based on the CANopen standard, the drive covers a performance range of 1 to 700 watts. The controller can operate in position, speed, and current control mode, and can be configured to operate with both DC and EC motors, depending on software commands.

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