SMAC Moving Coil Actuators SMAC Moving Coil Actuators
Moving Coil Actuators
The ability to do work and verify its accuracy at the same time.
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Upcoming SMAC Shows and Events

EASTPACK 2012
MAY 22-24
Philadelphia, PA
Booth #2856
PACKEXPO 2012
OCT 28 - 31
Chicago, IL
Booth #4574



 
 
Medical, Bio and Scientific Applications, Tissue Sampling, Insertion, Assembly, Precision Measurement

Medical and Scientific Applications
SMAC's newly-developed high precision actuator with resolution of five nanometers allows for precision positioning and placement for critical scientific applications. These precise devices eliminate incremental errors that come with the use of open-loop actuators. SMAC's precision actuators are fully close-looped and provide extremely accurate position data and positioning capability with resolution as high as five nanometers.







Push/pull testing of hypodermic needles

Push/Pull Testing of Hypodermic Needles

Hypodermic needles are 100% tested at a rate of one per second to make sure that the needles are secured to the hub. The needles are assembled and tested on a rotary index table. When the needle comes into the station, a gripper actuator grips the needle and a four pound force is applied. A position measurement is made, and if the needle separates, a bad part is indicated.

Key Operational Details

  • Position is registered with the gripper affixed to the needle
  • Force is ramped up and position is monitored to check for any movement
  • Indicate pass/fail status
  • Force can be controlled to +/- 25 grams
  • Position can be maintained to +/- five encoder counts

SMAC Advantages

  • Instantaneous transition from position mode to force mode
  • Ability to monitor position in force mode and make decision to change programs
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