PBA Systems Pte Ltd - The Leader in Linear Motors
The Leader in Linear Motors

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Circular Voice Coil Motor - CVCA

  • Direct Drive, cogging free
  • Peak force to 384.44N, Continuous force to 128.15N
  • Fast response, low moving mass
  • Non contact between core and coil movement
  • Excellent reliability

Specifications

SPECIFICATION Model
CVCA35-HF-8.0-CRX CVCA40-HF-6.5-CRX CVCA40-20-CRX CVCA50-30-CRX CVCA60-25-CRX CVCA60-HF-20-CRX CVCA90-HF-20-CRX
Performance Unit  
Stroke mm 8 6.5 20 30 25 20
Peak Force N 144.00 92.42 47.92 74.91 120.33 218.50 640.74
Continuous Stall Force @ 100°C* N 25.2 16.09 8.34 13.14 20.90 37.72 111.41
Continuous Stall Force @ 125°C* N 28.8 18.48 9.58 14.98 24.07 43.70 128.15
Peak Power @ 125°C* W 438.08 289.27 240.73 381.62 463.70 760.32 1204.70
Continuous Power @ 100°C W 12.45 8.13 6.77 10.90 12.98 21.03 33.80
Continuous Power @ 125°C* W 17.52 11.57 9.63 15.26 18.55 30.41 48.19
Electrical
Peak Current A 4.00 3.59 3.13 4.23 5.85 4.75 15.77
Continuous Stall Current @ 100°C* A 0.7 0.624 0.545 0.742 1.016 0.820 2.742
Continuous Stall Current @ 125°C* A 0.8 0.717 0.626 0.846 1.170 0.950 3.154
Force Constant @ Mid Stroke N/A 36 25.78 15.31 17.71 20.57 46.00 40.63
Back EMF Constant @ Mid Stroke V/m/s 36 25.78 15.31 17.71 20.57 46.00 40.63
Coil Resistance @ 25°C ohm 19.5 16.03 17.50 15.19 9.65 24.00 3.45
Coil Resistance @ 100°C* ohm 25.41 20.89 22.80 19.79 12.57 31.27 4.50
Coil Resistance @ 125°C* ohm 27.38 22.51 24.57 21.33 13.55 33.70 4.48
Inductance @ 1kHz(Insie fully) mH 8.24 5.52 5.59 4.14 3.26 15.40 4.88
Motor Constant @ 25°C* N/√W 8.15 6.44 3.66 4.54 6.62 9.39 21.87
Max.Terminal Voltage Vdc 48 120
Thermal
Thermal Resistance @ 100°C* °C/W 6.02 9.22 11.07 6.88 5.78 3.57 2.22
Thermal Resistance @ 125°C* °C/W 5.71 8.64 10.39 6.55 5.39 3.29 2.08
Max. Coil Temperature °C 150
Mechanical
Moving Mass kg 0.280 0.250 0.215 0.347 0.474 0.679 1.850
Total mass kg 1.230 0.902 0.916 1.404 2.035 2.817 6.900
Specifications
Repeatability** um ±1.5
Accuracy*** um ±3um/25mm
Straightness*** um ±3um/25mm
Flatness*** um ±3um/25mm

Notes:

  1. 1. *Ambient temperature 25°C, heat dissipation by natural convection, without heat sink attached.
  2. 2. Specifications tolerance - inductance +/-30%, all others +/-10%.
  3. 3. ** Depend on encoder resolution.
  4. 4. *** Specific accuracy, straightness and flatness requirement, contact PBA for more information.
  5. 5. Peak force and current - 1 second duration.

Specifications are subject to change without prior notice

Drawings

CVCA 35

CVC Series Drawing

CVCA 40

CVC Series Drawing

PART NUMBERABCD
CVCA40-SF-20-CRX 20.0 64.9 10.3 135.0
CVCA40-HF-6.5-CRX 6.5 65.4 3.3 128.0
 
CVCA 50

CVC Series Drawing

CVCA 60

CVC Series Drawing

PART NUMBERABCDEFGMN
CVCA60-SF-25-CRX 25.0 79.0 20.0 28.4 154.5 60.0 95.0 2 6
CVCA60-HF-20-CRX 20.0 76.5 24.5 27.0 203.9 58.0 135.0 3 8
 
CVCA 90

CVC Series Drawing

 
 

Part Numbering System

PART NUMBERING SYSTEM
 

Coil Assembly

CVCA Part Numbering

Force vs Stroke Plot

CVC Series Force vs Stroke Plot

 

Note: specifications are subject to change without prior notice


Video

Downloads

The CVCA Series catalog is available for free at the DOWNLOADS section of this site.

The CVCA Series 3D Drawings are available for free at the DOWNLOADS section of this site.

COMPANY

SERVICES

CONTACT

505 Yishun Industrial Park A
PBA Building
Singapore 768733

Tel +(65) 6576 6767
Fax +(65) 6576 6768

Sales / General Enquiries
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Terms of Sale and Delivery

PRODUCTS

IRONLESS LINEAR MOTORS

IRON CORE LINEAR MOTORS

SHAFT LINEAR MOTORS

DIRECT DRIVE ROTARY MOTORS

VOICE COILS

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