The usage of the machine: the machine is a special equipment for drilling and boring deep hole of cylindrical workpieces. While boring, the oil supplied from the oil pressure head take the metal chips from the cutting area to the lantern and chip converyer in the front of the headstock, and drilling adopt internal metal chips remving method (BTA method), the oil supplied from oil pressure head remove the chips from the cutting area to the chips receiver in the back of the machine through the innner hole of the drilling tube. The machine is controled by PLC, and the feed of the oil pressure head and carriage is controled by the servo motor, The feeding rack installed in the middle of the bed guideway guarantee the requirement of feed accuracy and rigidity for the long travel. The protection guard installed on both sides of the bed and overground oil tank improve the working environment. The machine can be mated with automatic or manual telescopic tool so as to improve the machining efficiency greatly. This is a easy operating, high efficiency and environment protective deep hole drilling and boring machine. Main Specifications and Features specifications technical parameter The range of drilling diameter Φ40mm-80mm The max diameter of boring Φ40-200mm The height of center 400mm The range of max depth of boring 1000-10000mm The diameter of chuck Φ400mm Workpiece clamed dia. of steady rest Φ50mm-400mm Spindle speed range and steps 70-1200r/min three grade stepless Feeding speed range 5-2000mm/min,3 gears, 12 grades Main motor N=30kW Feed speed 5-2000 rpm, stepless Feeding motor N=4.5kW servo motor Motor of oil pressure head N=4.5kW servo motor Cooling pump motor N=5.5kW n=1440r/min, 4 groups The rated pressure of cooling system 2.5MPa Flow of coolant 100 200 300 400L/min
Optional scheme 1. The machine can be mated with N=37kw frequency converting spindle motor, then the spindle speed will change to 60-1200rpm with 3 gears stepless speeds. 2. T2120G/1 is mated with a travel headstock with rotating drilling bar and a 15kw motor so that the workpiece and drilling head can be rotate oppositely, and the spindle speed of the travel headstock is 40-500rpm. 3.the machine can be mated with drilling small holes device which can drilling 20-40mm holes. 4. the machine can be mated with CNC system, e.g. SIEMENS 828D or FANUC oi mate or GSK or KND system.
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