Benefits of Moving Coil Technology
Lower moving mass with the voice coil actuator means extremely high acceleration and velocity, as opposed to the heavier “moving magnet” technology used in most linear motors.

Safe and energy efficient: operates at low current, typically at 1.5 amps at 24 volt DC.

Quiet (< 55dB), airless operation: no expensive compressed air generation required. No air consumption or air leaks to attend to. No compressed air generating environmental particulate contamination.

Long Cycle Life: >100 Million Cycles. 10x that of air cylinders or ball screw actuators.

Linear Rotary: SMAC invented linear rotary technology in 1998 and since have become the preferred solution for small parts assembly in the electronics industry, thread check in the automotive industry and capping in the packaging industry.

High Accuracy: Designed for precision movement applications. A very light moving mass results in high accelerations with no backlash.


SMAC’s “Soft-Land” is a patented unique routine which allows the actuator rod or gripper jaw to sense the surface of a component then applies a specific force. It gives extremely accurate sensing of product location or dimensions. This is particularly useful for handling delicate or high value components. Soft-Land also elongates the life of the actuator. Used in:

  • Pick and place of delicate objects
  • Gauging of fragile or pliant materials • Bottle ejecting/diverting/sorting
  • Switch / material testing
  • Many, many other applications

Programmable Features
SMAC actuators are totally programmable in force, acceleration and velocity. They give you flexibility to run various products with a quick change over at the touch of a button. Multiple motion profiles (programs) can be stored/ preset in the SMAC controller. The actuator can operate in three different modes:

Force Mode: Force Mode is open loop, using no feedback from the encoder. The actual position is still monitored but has no effect upon the output.

Velocity Mode: Velocity Mode allows the actuating rod to be moved with a given velocity, acceleration, force and direction. Typically used for a “Soft-Land” routine.

Position Mode: Position Mode will allow the actuating rod to be moved to various positions along the stroke using acceleration, velocity and force. It is possible to perform absolute, relative and “learned position” moves.

SMAC Moving Coil Actuators manufactures a wide range of precision programmable electric actuators based on its patented moving coil technology. These proprietary and patented moving coil linear motor based designs are technically far ahead of old generation pneumatic and electric actuators, including moving magnet linear motors. SMAC’s technological edge, combined with continuous costdown/ quality-up process and its worldwide sales basis makes SMAC the most dynamic electric actuator manufacturer in automation today.

SMAC electric actuators are unique in that force, position, and speed are totally programmable. They are designed to perform at exceptionally high rates >2000 cpm, repeatable within 1 millisecond. They are capable of submicron positioning and have the patented capability to “Soft-Land” on surfaces and then perform work. They also provide feedback on the work being done. This makes them ideal for a wide range of positioning, measuring, inspection, thread check and pick and place applications, particularly where 100% verification is required.

Phone: (760) 929-7575

DeviceTalks West: Expertise you need to know

textadimage Medical device suppliers are light years away from the days when they merely filled orders to spec for medtech OEMs – as a visit to the upcoming DeviceTalks West will quickly confirm.

From incorporating steerability into catheters to getting validation and testing done right, the companies serving the medical device industry have become specialized experts in their own right.

Read on to discover five example of medical device expertise to be had at DeviceTalks West, which runs Dec. 11–12 in Orange County, Calif.

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