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Motion Control - Voice Coil Positioning Stage - VCS13-108-LB-01-MCF from H2W Technologies

H2W Technologies Voice Coil Positioning Stage

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Santa Clarita, CA —-- Motion Control - The VCS13-108-LB-01-MCF voice coil positioning stage uses H2W voice coil motor NCC13-30-108-1SH to generate a continuous/peak force of 10.8 lbs [48.0 N]/32.4 lbs [144 N] with a total stroke length of 1.3 in [31.8 mm]. The 1.0-micron resolution encoder allows for precise positioning. The load cell with signal conditioner (100 N capacity, 1 N resolution) allows for 1-100 N of push/pull force feedback. It comes supplied with a rigid recirculating ball linear bearing. The motor coil is the moving part of the assembly to reduce the moving mass of the system. Power is supplied to the motor via a high flex, high reliability flat ribbon cable.




Motor P/N NCC13-30-108-1SH
Stroke1.25 in31.8 mm
Encoder Resolution1 micron
Bearing TypeLinear Bearing
Moving Mass1.5 oz0.42 grams
Total Mass6 oz2 grams
Resistance @ 20C4.8 ohms
Inductance @ 20C4.1 mH
Electrical Time Constant0.9 msec
Motor Constant2.3 lbs/vwatt7.6 N/vwatt
Force Constant5 lbs/amp22.3 N/amp
Back EMF0.5 V/ips22.3 V/m/sec
Force @ 100% Duty10.8 lbs48 N
Power @ 100% Duty23 watts
Current @ 100% Duty2.2 amps
Force @ 10% Duty32.4 lbs144 N
Power @ 10% Duty200 watts
Current @ 10% Duty6.5 amps
Moving PartCoil Assembly

For Product Drawing CLICK HERE!

Voice Coil Positioning Stages - Overview -

The Voice Coil Positioning Stage is a compact, small footprint positioning stage. It is ideal for closed loop positioning applications with a short stroke where intricate position, velocity, and acceleration control is necessary.

Their compact size allows them to fit into small spaces. They have very low electrical and mechanical time constants. The low moving mass allows for high accelerations of light payloads.

The ironless core coil assembly has no magnetic attractive force to the stationary magnet assembly, which reduces the load on the bearing system, which increases the life of the bearing. There are no magnetic drag forces (hysteresis), which allows for higher accelerations.

These actuators are wound in such a way that no commutation is required for motion to occur. Electrical devices such as Hall Effects are not necessary. The result is a much simpler and more reliable system.

The VCS positioning stage incorporates the latest in linear motion technology:

Motors: non-commutated moving coil (NCC) or moving magnet (NCM) voice coil motors.

Bearings: Linear guidance and stiffness is achieved by using high precision ball slides or cross roller slides. Other types of bearings and bushings are available depending on the application.

Feedback: Non-contact optical or magnetic linear encoders with a center reference mark for homing. Typical encoder output is A and B square wave signals but sinusoidal output is available as an option. Analog feedback is available via LVDT or Force Transducer.

Limit Switches: Soft limits are typically used and monitored by the controller. But, if needed, end of travel limit switches may be included at both ends of the stroke. The switches can be either active high/low (5V to 24V). The limit switches can be used to shut down the amplifier or to signal the controller that an error has occurred. The limit switches can be an integral part of the encoder or can be mounted separately if required.

Hard Stops: Hard stops are incorporated into the ends of the stage to prevent over travel damage in the event of servo system failure.

Advantages:

  • Small Size, High Force to Weight Ratio
  • High Accelerations
  • No Cogging or Commutation
  • Custom Designs with Quick Turnaround Times
  • High Flux Density Neodymium Magnets are Used
  • Low Cost Economical Solution

Applications:

  • Mirror Tilt and Focusing
  • Z Axis for Pick and Place Equipment
  • Medical Diagnostic Probes and Laser Beam Steering
  • Vision Inspection
  • Miniature Position Control
  • Clean room

Stages can be ordered for any stroke up to 2 inches and any continuous force up to 100 lbs. The stages are built as the orders are placed, they are not stocked, as each customer requirement is different.

It should be noted that for both types of actuators (NCC & NCM) used for these stages, longer strokes are available but the efficiency or motor constant (Km) decreases as the stroke increases. This is due to the fact that the motor constant is inversely proportional to the stroke. If higher efficiency is desired for longer stroke actuators, the coil assembly can be wound as a multiphase coil and then it will have to be commutated. Please consult the factory for long stroke applications.

CLICK HERE to request a QUOTE

YouTube Videos

https://www.h2wtech.com/category/voice-coil-stages#videos1

About H2W Technologies, Inc.

H2W Technologies, Inc. is dedicated to the design and manufacture of linear and rotary motion products that are used in the motion control industry. The complete line of linear electric motors includes: Single and dual axis linear steppers, DC brush and brushless linear motors, voice coil actuators, and AC induction motors. Also offered is a complete line of ball screw, lead screw and belt driven positioning stages.

Other motion control products include: Limited angle torque motors for compact, limited angular excursion rotary servo applications, 3 phase brushless rotary servo motors with matching digital servo amplifiers and permanent magnet linear brakes for fail-safe, zero power braking for baggage handling and people moving applications as well as amusement park rides.

With over 75 years combined experience in the linear and rotary motion field, the H2W Technologies team of engineers offers the optimal solution to the most demanding motion control, requirements.

To see all of H2W Technologies' Products and Application Stories featured on MotionShop.com, enter h2w in the Google custom search box (upper left, above)

See Article: https://www.h2wtech.com/product/voice-coil-stages/VCS13-108-LB-01-MCF

See Product: https://www.h2wtech.com/category/voice-coil-stages#specifications1

For additional information contact Mark Wilson at H2W Technologies, 26380 Ferry Ct, Santa Clarita, CA 91350; Tel: 888-702-0540, Fax: 661-251-2067, E-Mail: info@h2wtech.com or visit the website at http://www.h2wtech.com



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