Built-in Motor Spindle for Internal Grinder

Name: Built-in Motor Spindle for Internal Grinder
Brand: N・S・S Co., Ltd.

High rotational accuracy and high-speed rotation enable precision internal grinding.

These high-speed built-in motor spindles are designed for internal grinders. In addition to FANUC motor configurations, we also offer Sycotec (German-made motor) variants to support customers without dedicated NC control systems.

Built-in Motor Spindle for Internal Grinder

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Specifications

Model	Quill Size	Max Speed [min⁻¹]	Motor Model	Motor Output [kW]	Lubrication	L1	L2	D1	D2	Front Bearing	Rear Bearing	Preload
IGS11580MA	Φ15/M14×P1.5	80,000	ate　AC60/40/2	2.5	Oil	270	60	115	25	7905	7904	Constant Pressure
IGS12030TM	φ17/Ｍ16×P1.5	30,000	ate　AC85/80/4	10	Oil	400	50	120	40	7008	7006	Constant Pressure
IGS12560SM	Φ16/M16×P1.5	60,000	Sycotec　EV80-45.4	2.2	Oil	300	60	125	30	7906	7905	Constant Pressure
IGS12560FM	Φ16/M16×P1.5	60,000	FANUC BiI40M/70000	3	Oil	330	60	125	30	7906	7905	Constant Pressure
IGS15050FMH	Φ22/M22×P2.0	50,000	FANUC BiI60/50000	3.7	Oil	380	70	150	40	7908	7006	Constant Pressure
IGS15040FMH	Φ22/M22×P2.0	40,000	FANUC BiI60M/50000	3.7	Oil	380	70	150	40	7008	7008	Constant Pressure
IGS15040SMH	Φ16/M16×P1.5	40,000	Sycotec　EV106-80.2	11	Oil	400	70	150	40	7008	7007	Constant Pressure

Notes

Built-in FANUC motors can be either customer-supplied or sourced by NSS.
When lubrication is "Oil", a separate oil mist supply unit is required.
Although not listed in the table above, built-in motor spindles generally require stator and bearing cooling via a cooling oil circulation unit.