Function and Characteristics 1 This machine is an improved 4-coior semi-auto slotter , the platform has two-side chain-paper feeding , which guarantees no error of paper feeding 2 All the gears are made by high frequency quenching with long service life . Helical gear driving makes process printing more accurate. 3 Computerized phase-adjusting mechanism can be adjusted when the motor is on or off. 4 Equipped with pneumatic raising planks, electricity separation, pneumatic locking, pneumatic ink supplying and auto-ink roller rotation in case of the dryness of the ink roller when it doesn't work. 5 Electronic counting, alarm lights installed and the main electric devices are all the ones with the band "DELIXI" Model numberRoller diameterPaper widthValid printing areaElectrical powerYFQ-190048018001600*14702.2YFQ-220048021001900*14702.2YFQ-250048024002200*14703.0YFQ-280048027002500*14704.0YFQ-190053018001600*16003.0YFQ-220053021001900*16003.0YFQ-250053024002200*16004.0YFQ-280053027002500*16005.5