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Bta Deep Hole Borehole Machine Tk2120A-2m CNC Horizontal Deep Hole Drilling Machine for Metal ProcessingTk2120A is the latest product developed by DRC according to market needs, which is economical and safe, simple in operation, reasonable in structure, clean in appearance and highly cost-effective. By improving the assembly accuracy of headstock and headstock, it can effectively reduce the noise of machine tools. . The cooling liquid collection and return adopts the casting upper wing, the sheet metal strip is semi-protected, and the INVT PLC system is controlled. Performance characteristics of CNC deep hole drilling and boring machine This machine tool is a special equipment for processing deep hole workpieces, with good rigidity; it can not only drill, bore, step holes, but also nest. The lifting of the workpiece is controlled by hydraulic cylinder, which is safe, reliable and easy to operate. Tk2120A deep hole boring machine is a special machine tool for processing cylindrical deep hole parts. It is mainly used for drilling and boring through holes, and can also be used for smooth rolling. Push boring is used in the boring method. In the chip removal method, the internal chip removal method is used for drilling, and the front chip removal method is used for boring.
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Main technical specifications of CNC deep hole drilling and boring machine
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Boring diameter range : 25-200mm
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Drilling diameter: 25-160mm
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Maximum machining depth: 2000mm
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Center height (from flat guide rail to spindle center) : 350mm
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Headstock spindle diameter: 80mm
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Spindle front taper hole: 80mm 1:20
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Spindle speed range: 40-500r/min
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Feed speed range: 5-1000mm/min (stepless)
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Rapid movement range of carriage: 1.5m/min
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Workholding diameter range : 40-360mm
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Main motor: N=30kW
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Feed motor: N=4.5kW n=1500r/min feed servo motor
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Oil dispenser hydraulic motor
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Cooling pump motor: N=5.5kW
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Cooling system flow: 300/min
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Rated pressure of cooling system: 0.36MPa
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The maximum clamping force of the oil dispenser to the workpiece: 20kN
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Bed Rail Width : 650mm
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Total machine weight (approx.) : 12 tons
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The main accuracy of the machine tool:
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Roundness : ≤0.02mm
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Cylindricity : ≤0.035/500mm
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Machining accuracy: IT8~IT10 grade
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Roughness (drilling) : ≤Ra3.2~12.5μm
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Roughness (boring): ≤Ra1.6~3.2μm (related to workpiece material)
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Roughness (Rolling) : Ra0.4μm
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Straightness Less than 0.15/1000
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Outlet deflection of machined holes is less than 0.15/1000
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The machining efficiency of the machine tool:
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Cutting speed: generally 50-100mm/min
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Feed speed: generally 40-100mm/min
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Maximum machining allowance when boring: generally not more than 20mm
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(Machining accuracy depends on the material)
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