Description Overview Double shaft, double board Machine frame constructed with high-quality armor plate welding One gearbox structure style; oil lubrication system designed with centralized circulation system, compelled cooling and low-pressure alarm functions Main shaft constructed with 40cr armor steel with high-qualitative treatment The active needle beam is made of hard alloy steel with high qualitive finish treatment The bearings of the shaft in the gearbox are imported brand “FAG” The needle board of machine has the function of stopping at the upper-center With suction device Specifications Working width: 1000 mm Needle stroke: 30 mm Needle density: 6000 needles per minute x 2 needle boards Rpm: ≤ 1200 rpm Fabric weight: 100 to 400 gsm Needle Board Construction The needle board constructed with 14 mm magnesium alloy board compounded with 4 mm PU board Needle holes are processed by CNC machine The needles are placed in a random row The diameter of the holes is φ1.83 mm, locked by airbag The fiber stripping board and the bottom board are made of 12 mm 16Mn steel The inner and outer sides of the needle holes are buffed/grinded with chrome coating