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Jovil/Universal Manufacturing Co.



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Model 4.5LS
Microprocessor Controlled
Toroidal Winding Machine


Universal's Model 4.5LS is a unique advancement in bench type machine used for general winding applications. It offers Universal's traditional high quality performance and rugged dependability with the added convenience of microprocessor controls and a servo motor core drive. The 4.5LS is an extremely versatile machine. Its adapts to an unlimited number of winding heads, taping heads and roller tables for 360 degree CW or CCW rotation. The winding head mounting pedestal is a patented quick acting lock mechanism that permits installation or removal of winding heads in moments.


Specification / Capabilities

Wire size: #18 - 50 awg (1.02 - 0.025 mm)
Maximum coil OD: 5.500" (139 mm)
Minimum coil OD: 0.218" (5.53 mm)
Minimum coil ID: 0.055" (1.39 mm)
Speed: Up to 2000 tpm winding speed
Core rotation: 360degrees continuous
Power requirement:
  • 115V AC, 10 Amps, single phase 50/60 Hz
  • 220V AC, 5 Amps, single phase, 50/60 Hz
Net weight: 136 lbs (62 kg)
Shipping weight: 200 lbs (90 kg)
Crated dimensions: 37" x 37" x 42" (94cm x 94cm x 107cm)

Principal and Optional Features

  • Operator keyboard for information entry
  • 88 presets for winding with slow down
  • 88 presets for loading with slow down
  • LED readout for wire turns count up to 9999 turns
  • Separate potentiometer controlled settings for the wind and load speeds
  • Potentiometer for controlling the start acceleration
  • Toggle switch to disengage the footswitch
  • Coil centering assembly with two control knobs for manually changing the core position in an X & Y direction while winding
  • Servo motor controlled core feed mechanism infinitely variable with a potentiometer and manual push button reversal of the core rotation
  • Potentiometer controlled varible speed core rotating jog feature
  • Dual beam electronic counting mechanism, one beam mounted on winding head, second beam located inside of housing to prevent triggering of count from external light sources
  • Dual beam electronic meter counter assembly
  • Footswitch with safety cover
  • Operator's lamp
  • Motor controls with solid state circuitry



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