Development of a linear motor that operates on a new principle and highly accurate compensation technology in responding to thermal deformation for large die/mold machining machines: MCR-H.
In this technology development, we realized the high performances of"1/2 Finishing time" and"1/5 dimension accuracy stability with room temperature change" that revolutionizes the productivity of mold manufacture by developing the new concept of linear motors and adopting high accuracy thermal displacement compensation system.
Outstanding stability and accuracy with use of the Thermo-Friendly Concept Thermal deformation over time: less than 10 μm(actual data) Also available on the MB-5000H is Okuma's newly-developed Machining Navi, an operation support system that enables the machine itself to find the best cutting conditions for different machines and operations.
The technology for which the award was received was the"development of the MP-46V machining center for high-precision parts and dies/molds," of which the thermal deformation reduction technology that achieves connection steps of≤2 μm and vibration suppression technology that achieves a 20% reduction in machining time were cited.
The MCR-C is equipped with the Thermo-Friendly Concept, one of Okuma's intelligent technologies, greatly reducing production costs by ensuring stable machining quality. This is done by solving accuracy problems due to thermal deformation that are inherent to large machines and minimizing the amount of thermal deformation..
High accuracies of φ5 μm(8°C room temp charge, actual data) in machining dimensional change over time can be maintained in normal factory environments. Because of this extremely small amount of thermal deformation, warming up operation is almost unnecessary and environmental problems can be dealt with at low cost.
XYテーブルの熱変位をミクロンレベルで補正。
Corrected thermal displacement of XY table in micron level.
正確に熱変位を補償するシステム。
A system to accurately compensate for thermal deformation.
XY軸テーブルの熱変位を、ミクロン単位で補正。
Correction of thermal displacements of the X- and Y-axes of the table by micron increment.
ロボットのZ軸の熱変位を、ミクロン単位で補正。
Correction of thermal displacements of the Z-axis by micron increment.
機械と同じ熱膨張率で、熱変位に強い。
Since same heat expansion ratio with machine, strong to thermal expansion.
ベッドは、熱変位を終日最小に抑えるタンクベッド構造です。
The bed has a tank bed structure which can keep thermal displacement to the minimum all day.
精度の高い原点出しで、XY軸のミクロンレベルの熱変位補正が実現。
Realization of correcting the thermal displacement in micron level for the X- and Y- axes by high-accuracy starting point.
高精度】主軸冷却装置の搭載により、メイン/サブスピンドルの熱変位を抑制。
High accuracy Suppressed thermal displacement of the main/sub spindles by spindle cooling unit.
高速モータに建てられました。,優秀な気流およびより大きい熱変位を可能にします。
Built in high speed motor, enables excellent airflow and greater heat displacement.
回転速度が頻繁に変化する場合でも、主軸の熱変位を正確に制御します。
Thermal deformation of the spindle is accurately controlled even when spindle speed changes frequently.
主軸冷却機構は、軸受ハウジングとギヤボックスの冷却で、主軸回転中の熱変位を極小に抑えます。
The boring spindle cooling mechanism, by cooling the bearing housing and gear box, minimizes thermal displacement during spindle rotation.
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