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With integrated frequency transformer

A professional brushing machine designed for use in small series production and laboratories. High quality wet-processing brushing machines for PCB production at low price are possible! The proof is the Bungard RBM 300. The smaller sister of our RBM 402 is reduced wherever possible but not at quality, endurance and high precision details.


  • The RBM 300 has an oscillating brush with quick change device
  • Oscillation frequency and transport speed are stepless variable
  • Parallel height adjustment. In contrary to the single sided height adjustment, you will achieve a long term even brushing result only with double sided parallel height adjustment.
  • Machine is equipped with a finishing brush used before laminating. Various brushes available.
  • Working width 300 mm
  • Despite its small size, the RBM 300 has a full scale squeeze-off and hot air drying compartment
  • As bench top model the RBM 300 has no integrated water treatment. A closed loop rinsing tank is available as an option
  • Single side action
  • Aluminium, PVC, Stainless Steel construction
  • Transparent top lid with security switch
  • Mechanical drying by squeezing rollers

Techn. Data

Electrical Connection: 110 – 230 V, 50–60 Hz

Dimensions (LxWxH): 760 x 590 x 415 mm

Working width: 300 mm

Board thickness (rigid boards only): 0,3 – 3 mm

Brushing speed: 1360 RPM

Oscillation stroke: 10 mm

Oscillation frequency: approx. 10 – 110 H/min

Conveyor speed: approx. 0,2 – 2 m/min

Rinse water consumption: 6,8 l/min

Weight: 70 kg

Board size (minimum): 80 x 160 mm

Brushing roller stroke: max. 20 mm

Infeed per turn of hand wheel: ca. 1 mm

Brushing roller length: 310 mm

Brushing roller outside diameter: 89-91 mm

Brushing roller inner diameter: 35 mm

Rinse water inlet: 20 mm

Rinse water outlet: 32 mm

Rinse water pressure: 1.5 bar




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