Internal Шлифовальный шпиндель
100MD90Y2.5
Ultra-высокоскоростной internal grinding spindle with ceramic hybrid bearings. 90,000 r/min, 2.5 kW power, water plus oil-air cooling for precision bore and internal profile grinding.
100MD90Y2.5 Internal Шлифовальный шпиндель
The 100MD90Y2.5 is an ultra-высокоскоростной internal grinding spindle designed for precision bore grinding, internal profile grinding, and small-diameter internal machining operations. Работает на скорости до to 90,000 r/min with 2.5 kW of power from a high-frequency asynchronous motor, this spindle достигает the elevated wheel surface speeds necessary for effective grinding with small-diameter mounted wheels and points.
Silicon nitride (Si3N4) ceramic hybrid шарикоподшипники in P4 класс точности minimize centrifugal loads and heat generation at extreme rotational speeds, significantly extending bearing срок службы compared to all-steel bearing configurations. An advanced dual cooling system combines a water jacket for the motor статор with oil-air micro-lubrication for the bearings, ensuring stable thermal conditions during continuous высокоскоростной operation. The compact 100mm корпус diameter allows access to small bores and internal имеет. With runout accuracy within 1 micron and weighing only 18 kg, the 100MD90Y2.5 is ideal for высокоточный internal grinding machines producing bearing rings, fuel injection components, hydraulic valve bodies, and other small precision parts.
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| Speed (r/min) | 90000 (max) |
| Диапазон скоростей (r/min) | 30000 - 90000 |
| Мощность (kW) | 2.5 |
| Крутящий момент (Nm) | 0.26 |
| Voltage (V) | 350 |
| Current (A) | 8.5 |
| Frequency (Hz) | 1500 (max) |
| Тип двигателя | High-Frequency Asynchronous Induction Motor |
| Тип подшипника | P4 Ceramic Hybrid Радиально-упорные шарикоподшипники (Si3N4 balls, steel races) |
| Bearing Arrangement | Tandem (DT) with spring preload |
| Bearing Смазка | Oil-air micro-lubrication (permanent system) |
| Биение Accuracy | ≤ 0.001mm at носик шпинделя |
| Охлаждение Method | Двойное охлаждение: водяное (двигатель) + масляно-воздушное (подшипники) |
| Housing Diameter | 100mm |
| Housing Length | ~310mm |
| Spindle Масса | ~18 kg |
| Collet/Arbor Interface | Custom (specify grinding pin shank diameter at order) |
| Интеграция датчиков | 2x PT100 датчик температурыs |
| Класс защиты | IP54 |
| Balancing Grade | G0.4 per ISO 1940-1 |
Доступные опции и конфигурации
- Higher speed variants up to 120,000 r/min
- Пластичная смазка lubrication for reduced system complexity (lower max speed)
- Custom grinding pin collet sizes
- Acoustic emission sensor integration
- Automatic tool change interface
- Enhanced защита IP65
Precision Engineering for Micro Bore Grinding
The 100MD90Y2.5 combines ultra-высокоскоростной capability with ceramic hybrid bearing technology to deliver exceptional internal grinding performance.
90,000 rpm Максимальная скорость
Extreme rotational speeds for efficient grinding with small-diameter wheels.
Керамические гибридные подшипники
Si3N4 ceramic balls reduce mass and centrifugal force, extending bearing life at ultra-high speeds.
Dual Охлаждение System
Water jacket for motor plus oil-air bearing lubrication for optimal thermal management.
High-Frequency Motor
Specialized high-frequency asynchronous motor обеспечивает smooth power across the speed range.
Compact 100mm Design
Small корпус diameter обеспечивает access to small bores and tight internal geometries.
Масляно-воздушная Смазка
Precision micro-lubrication system гарантирует consistent bearing condition at 90,000 rpm.
Sub-Micron Accuracy
0.001mm runout for высокоточный internal grinding applications.
лёгкиеweight Construction
At only 18 kg, this spindle позволяет fast machine axis movements and reduced inertia.
Industries & Use Cases
- Internal bore grinding
- Bearing ring grinding (внутреннее кольцоs)
- Fuel injection nozzle grinding
- Hydraulic valve body grinding
- Small-diameter internal profile grinding
- Precision mold cavity grinding
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