Makino launches the DA300 - the latest in 5-axis vertical machining centers. The DA300 ingeniously combines speed, precision and flexibility, for the machining of complex parts on several axes, with an extremely compact machine footprint. Inspired by the best design features from vertical and horizontal machining centers, the DA300 combines the structural rigidity and precision of a vertical center with the high productivity and reliability of a horizontal center, a perfect synthesis of both technologies.
The machine significantly reduces cycle time without compromising accuracy. The DA300 is designed for the parts production industry. Target markets include manufacturers of industrial components, such as hydraulic and pneumatic components, aluminum castings, and other similar components. This machining center is ideal for all sectors producing high precision and geometrically complex parts and prototypes, Manufacturers and general mechanical companies with various industries such as automotive, medical, photonics, racing and luxury cars, energy.
The DA300 can also meet some of the needs of aeronautics, particularly the manufacture of small structural parts, satellite components and engine components such as rotors, turbines and pallets. Machine rigidityThe DA300 is based on The half-bridge structure, which Makino always uses on vertical machining centers. Thanks to direct drive (Direct Drive DD) motors, designed for the A-axis and the C-axis, the machine offers excellent dynamic motion control and five-sided access for the production of complex parts, saving time During configuration. Supporting both sides, the table is anchored in an extremely rigid structure, which gives both rigidity and lightness to the machine, key assets for better dynamics, superior acceleration and maximum speeds without compromising on performance. DD motors guarantee high-speed rotation, even when loading the table at a maximum of 250 kg. The large 45 mm roller guides and the core-cooled ball screws, 40 mm in diameter, increase the stability of the machine.
Reduction of cutting times and downtimes In the production sector, the DA300 Is distinguished by its excellent productivity. Equipped with a high dynamic 20,000 rpm HSK-A63 spindle, the machine reduces cutting times required for rigorous milling, drilling and tapping operations. Based on the well-known horizontal machining center of the a1nx series (HMC), a standard 60-tool magazine combined with a well-rounded automatic tool changer (ATC) is conducive to reliable performance with a time of 3, 5 seconds of chip chips.
The mechanism of the ATC shutter is actuated by a servomotor, both extremely reliable and conducive to simplify the configuration of the machine, with a shorter tool change time. The DA300 also comes standard with the Vision Break Sensor (Vision B.T.S). This tool break sensor validates the state of the cutting tool after each tool change. The Vision BTS system works with a minimum of moving parts and requires no physical contact with the cutting tool, enabling increased reliability over the long term, while minimizing the risk of flaking on sensitive tool materials such as Than polycrystalline diamond (PCD).
It creates a silhouette of the cutting tool and identifies the approximate length, size and weight of the tool. Intelligent Functionality With the latest version of the Makino Professional 6 (PRO 6) controller, the DA300 has several intelligent functions To increase the productivity of the machine. The controller has been designed to meet customers' needs for advanced machining processes, combining increased safety, simplified operation, reliability and productivity. These objectives are achieved by reducing the risk of collision, streamlining and simplifying The operational character, the serial integration of the initially planned functions and the improvement of machine performance.
The controller design allows easy and intuitive operation through simple menus and smartphone icons. The new advanced Geometric Intelligence (GI) motion control features reduce overall cycle time, especially with components Production. Drilling in GI mode allows the spindle and tool to move in arc from hole to hole instead of traversing a rectangular path. This results in a significant reduction in downtime compared to a conventional drilling template. In addition, GI milling is designed to improve 2-D milling performance. It allows the operator to set an angle rounding tolerance for each milling path. Among the other intelligent functions of the machine, Active Inertia Control (IAC) technology is designed to provide additional acceleration Of the movements of the machine according to the dynamic attributes of the system. Based on feedback from the servo motors, the IAC module defines the acceleration and deceleration at the optimum level for the specific part. Improved operation combines ease and unmatched operational reliabilityProductivity improvement is accompanied by measurements State-of-the-art safety system with the Collision Safe Guard (CSG) system, a precursor device for real-time collision protection, the presence of which is particularly essential for 5-axis applications.
The statistics prove it: the collision is the most frequent cause of damage on the spindle. The main contributing factors are handling errors, adjustments, tool placement and clamping - errors all occurring directly on the machine. The collision protection system takes into account the actual conditions around the machine to prevent collision.
Excellent refrigerant management and chip evacuation system
The importance of effective refrigerant management on refrigerant centers is often underestimated, Vertical machining (VMC), while this is an absolute necessity when a machine is designed for high levels of productivity, and consequently produces high volumes of chips per minute. Unlike the usual 5-axis trunnion-type tabletop configurations with two narrow holes on each side of the trunnion for chip evacuation, the DA300 is provided with a widely open trunnion and a wide passageway beneath the table . The chips are thus caused to fall directly into the passage thus made. The refrigerant management system on the DA300 is exceptional. The refrigerant flows abundantly through the cooling nozzle and the casing cleaning system, eliminating the accumulation of chips and allowing their optimum evacuation. Operational precision and thermal regulationMakino machines are renowned for their thermal regulation technology - DA300 is no exception.
A symmetrical structure in terms of heat, combined with efficient evacuation of the heat generated by the spindle, load-bearing structures such as ball screws and motors, ensure the stability of the machine and the precision of machining throughout the long hours Optional for automationThe DA300 is ready to be integrated into automated production cells. The table (340 mm x 300 mm) is equipped with 5 pneumatic fittings (hydraulic optional), which make it operational for handling pallets, with quick and efficient parts exchange and optimal use of the machine. Easy access to the table is done from the side so as not to interfere with operations at the front of the machine, and to allow various automation possibilities, standard zero point clamping systems, direct Part with hydraulic tightening. To sum up, the 5-axis VMC combines ingeniously productivity, quality, operational safety and intuitive and simplified use.