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NL4000LY Y-axis CNC Turning Center: An Outstanding Choice for High-Efficiency and Precision Machining 19
The NL4000LY Y-axis CNC turning center, meticulously crafted by Smart Machine Tool Korea Co., LTD., excels in the field of mechanical processing and is the ideal choice for many processing enterprises.
In terms of machine performance, it boasts outstanding processing capabilities. The rotary diameter (on the bed) and (over the carriage) are both 900mm (35.43 inches) and 850mm (33.46 inches), respectively. The maximum processing diameter reaches 550mm (21.65 inches), and the maximum processing length is 2017mm (79.41 inches), which can meet the processing requirements of various large workpieces. The 18-inch chuck size, combined with the A2 - 11 spindle nose, a spindle speed of 2000rpm, a spindle motor of 45/30kW (60/40Hp) (maximum/continuous), and a spindle torque of 2687N·m (1981ft·lbs), ensures stable performance in heavy cutting operations and enables efficient completion of various complex processing tasks. The rapid traverse speed (X / Z / Y) is 16/20/10m/min (630/787/394ipm), with a travel (X / Z / Y) of 300/2155/150mm (11.81/84.84/5.91 inches). The feed motor (X / Z / Y) is 7/6/7kW (9.4/8/9.4Hp), and it is equipped with a 12-position BMT75 tool turret. The tool size (outer diameter / inner diameter) is □32mm (1.25 inches) / Ø60mm (2.5 inches). The power motor is 15kW (20.1HP), and the maximum milling speed is 4000RPM, which can achieve rapid tool change and efficient milling processing, enhancing overall processing efficiency. The tailstock travel is 2077mm (81.8 inches), the tailstock spindle travel is 120mm (4.72 inches), the tailstock spindle diameter is 140mm (5.51 inches), and the tailstock spindle taper is MT#5 (Built - in), providing reliable support for the processing of long shaft workpieces and ensuring processing accuracy.
The design of the machine tool components has significant advantages. The bed adopts a rigid 45° inclined bed with wide guide rails and torque tube design, an integral cast bed, and an integrated motor base. The structure is robust and stable, effectively reducing the impact of vibration on processing accuracy.
The main shaft adopts a needle tube rib design similar to that of a radiator fan for heat dissipation. The front and rear double-row cylindrical roller bearings and angular contact thrust bearings are combined with the A and B double-sided symmetrical designed head body. It has a small thermal expansion, high rigidity during heavy cutting, good surface finish, and a main shaft bore diameter of Ø132 (5.20 inches).
The tailstock is designed with programmable features, wide-spacing guide rails and a heavy-duty tailstock body, with an integrated spindle sleeve to ensure higher rigidity. Pre-tensioned and double-anchored ball screws (X, Y, Z) are used, with both ends of the ball screws pre-stretched and fixed to minimize thermal expansion. The Z-axis feed thrust is 73,513 N (16,526 lbs), and the X/Y-axis feed thrust is 58,669 N (13,189 lbs). Large-diameter ball screws are fixed with P4 high-precision angular contact bearings to ensure transmission accuracy and stability.
The guide rail is a wide box-type slot integral casting, with a six-sided X-axis guide rail and a widened guide rail of 502mm (19.76 inches). The wide guide rail (Z-axis) has a wide body carriage of 815mm (32.09 inches), which has undergone induction hardening and precision grinding, and is manually scraped precisely with Turcite. It is suitable for heavy-duty processing and has good precision retention. The power tool turret has 12 positions and is of BMT75 type, with strong hydraulic clamping force, high spindle speed for rotating tools, and excellent milling capacity, precision and cutting force. The three-piece Curvic coupling has a diameter of Ø253 (9.96 inches) and a torque of 82.5kN (at 45bar).
In terms of operation and maintenance, the SMART operation design is thoughtful. The 15-inch touch screen with iHMI and QWERTY full keyboard are equipped. The keyboard layout is convenient for operators to use. Waterproof buttons, replaceable button covers, large-sized buttons and LED lighting make operation easy and the running status easy to identify.
It is equipped with an automatic lubrication system for precise oiling. It will alarm and stop when a fault occurs. With a 3-liter oil tank capacity, it can be used for a long time. The hydraulic system adopts a high-efficiency and low-noise integrated hydraulic pump, and a pressure switch is installed to ensure safety. The sheet metal design is service-oriented, making it easy to access parts during maintenance. The window can be replaced without removing the door.
The optional configurations are rich and diverse. The tool presetting instrument can reduce setup time. The oil collector can remove oil stains from the coolant. The air gun and coolant gun can be flexibly connected. The manual guide I facilitates programming simulation. The chip conveyor is equipped with a wide hinge belt, worm gear reducer and torque limiter. The center rest has multiple models such as SLU - X 4, SLU - X 5, SLU - X 5.1, etc., to meet the needs of different processing scenarios.
The NL4000LY CNC turning center, with its powerful performance, sophisticated component design, convenient operation and maintenance, and rich optional configurations, holds a significant advantage in the mechanical processing field. It can enhance processing efficiency for enterprises, ensure processing quality, and help them stand out in the fierce market competition.
