Characters: Model QT4-20 Concrete Block Making Machine is a kind of economic-type Machine exploited according to the requirement of small and medium-sized enterprise. It carries out the semi-automatic production by adopting manual valve control. It adopts hydraulic drive, double-layered material feeding (color face bricks), vibration press, and it has the double-control function of height and density. It has great excellence such as high vibration force, easy operation, convenient maintenance, reliable running, economy and utility, low investment and quick effect etc. Product scope: It produces various bricks/blocks including color-face bricks (layered material feeding), through-bodytiles, dock linkage blocks, road curb bricks,sod bricks, hydraulic blockshollow blocks, perforated bricks, and standard bricks etc. Main technical data Model: QT4-20 Vibration frequency: 4000 5600 Molding cycle: 15-25s Specification of molding box: 820*540mm Power: 21.7KW Weight: 5.0T Pallet dimension: 880*700*25 (mm) Bamboo pallet Installation dimension: 12000×4000×3000(mm) Molding capacity Hollow block: 4pcs/mold (390*190*190), 5500pcs/day (8hours) Cellular block: 14pcs/mold (240*115*90), 20000pcs/day (8hours) Environmental protection block: 14pcs/mold (200*100*60), 16000pcs/day (8hours) Standard block: 26pcs/mold (238*115*51), 35000pcs/day (8hours)