... 28.6 Machine WeightHz0~50 Tamper Vibration Frequency Electric Heating Screed Heating Automatic Control by Ultrasonic Sensors Auger and Conveyor ... amplitudeAuxiliary amplitudeDTV-I(RP951A)Dual-vibrating, eccentric vibrating, electric heatingMechanical assembly3.0-9.5m0-1470r/min3,5,7 ... 6,9,12mmEDV60D(RP902)Dual-vibrating, eccentric vibrating, electric heatingHydraulic variomatic3.0-9.5m0-1470r/min5mm0,5, ...