New Double-Column Machining Centers Ideal for Large Part Manufacturing
Nidec Machine Tool Corporation has launched the MVR-Hx Series of double-column machining centers. Following the MVR-Cx series released earlier, the MVR-Hx series has been expanded to meet various needs in large parts machining.
The MVR-Hx series was developed based on the concept of a machine that is easy to use without thermal displacement for users who pursue high precision and high efficiency.
The machine is equipped with thorough thermal countermeasures, such as an internal spindle cooling system that suppresses thermal expansion of the spindle and the main structure that is less susceptible to environmental temperature changes. It can also be used for a wide range of processes, from dies and molds or other machining that require high surface quality to general parts machining, and for all types of materials from light to heavy cutting.
The internal spindle cooling system that cools the spindle from the inside comes as a standard feature. The tooltip position can be stabilized even at high speed of 8,000 revolutions per minute, and the step between tools during finish machining is now reduced to less than 3.5 µm.
On the other hand, for the machining range for heavy-duty cutting at 4,000 revolutions per minute, the gear-driven spindle (opt.) enables machining at a maximum torque of 3,430 N + m, as the main structure made of cast metal enhances the rigidity for stable machining even at high torque. The rapid traverse speed is 35m/min for the Y-axis and 20m/min for the Z-axis. Both are one of the highest in the industry, improving productivity.
In addition, to thoroughly eliminate the effects of heat and aging on machining accuracy, Nidec adopted a thermostabilizer column filled with a temperature control medium, heat insulation measures for the crossrail, optimal placement of scales for positioning each axis, and a spatial error correction function. These technologies enable them to accurately grasp the position of the machine, resulting in a higher level of high-precision machining for our users.
Furthermore, a wide range of functions have been incorporated to enhance operator work efficiency; a more comprehensive operating range for the operation panel to allow operation close to the machining point and the newly developed operation support function, NidecNavi, for easy operation.
Their proprietary IoT platform, DIASCOPE, installed as a standard feature, will also provide quick and reliable support. A wide variety of package options are available to enable customization according to each customer's processing objectives.
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