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Okuma America Corporation
Okuma HistoryOkuma History
Okuma HistoryOkuma History
Okuma History
Rev. 8-21-01
1973 Introduced Japan’s first CNC control, the OSP 2000 series. Developed tape edit function
which allowed operation by data stored on paper tape.
1974 Introduced tool nose radius compensation feature.
1975 Formed “Single Source mechatronics”manufacturing policy.
Introduced the OSP 2000 series control to the American market.
1976 Takeo (tah-kay-o) Okuma, son-in-law of founder, became 4th president.
Introduced the first 2-saddle, 4-axis lathe.
1978 Introduced automatic gauging built into control.
1979 Introduced the next generation CNC, the OSP 3000 series.
Okuma opened a branch office in Long Island, New York for sales and service.
1980 Started using CRT’s on controls along with a tool path display feature.
1981 Introduced the industries first 16 bit CNC which provided parallel background
editing and graphics programming (IGF), the OSP 5000 series.
1982 Developed the machine monitoring function (MOP).
Started using fiber optics for data communications.
1983 Introduced high-precision fully digital servo systems with brushless motors.
Introduced a new E-type Absolute Position Encoder capable of 163,000 incre/rev.
1984 Okuma and Mitsui established a joint venture company, Okuma Machinery Incorporated
(OMI).
Introduced colored animation display (OSP 5000*-G).
1985 Became the world’s largest Machine Tool builder and second largest
manufacturer of CNC controls.
Introduced the load monitor function, built-in spindle motor, and spindle variable speed
controller (VAC).
1986 Named Japan’s Factory Automation and Industry advancement leader.
Introduced a Die manufacturing system (DMS).
Introduced a Tool monitoring system (MOP-TOOL).
1987 Opened a 163,000 sq ft plant in Charlotte, North Carolina. This company was called
Okuma Machine Tools (OMT).
OMW introduced a wide-range constant output spindle motor and high-speed numerical
control (Hi-NC).
1988 OMI was relocated to Charlotte, North Carolina.
OMI and OMT became Okuma Machine of America (OMA).
Okuma introduced high-speed, high-accuracy NC (Hi²-NC).
