High Speed Grinding Spindles for Internal Hole Processing

Premium Grinding Spindles by Expert Spindle Manufacturer

Engineered with a 150 mm diameter and a 15 kW S1 output, these premium grinding spindles by expert spindle manufacturer deliver exceptional flexibility and accuracy for intricate industrial machining needs. The rigid construction supports maximum speeds up to 24000 rpm with oil-air lubrication, making it perfect for processing internal holes of diverse shapes including circles, squares, and hexagons. Integrating a water or oil cooling unit with a 4000 Kcal/hr capacity ensures thermal stability, which directly enhances component service life and maintains superior surface quality during high-speed drilling or slide grinding. The versatile tool interface of D36/63 and HSK-C63 accommodates grinding quills with nuts to satisfy meticulous production specifications. Contact our engineering team today to request a comprehensive quote.

Grinding Spindles Spec

• Model THG-150.01 operates at 380 V
• Model THG-150.03 operates at 220 V
• Maximum oil-air speed reaches 24000 rpm
• Radial rigidity achieves 200 N/µm
• Axial rigidity reaches 130 N/µm
• Bore diameter of front bearings is 65 mm
• Built-in motor delivers 15 kW S1 power
• Peak power reaches 50 kW output
• Tool interface options include D36/63 HSK-C63
• Spindle weight measures exactly 43 kg

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Optimizing Geometric Accuracy in Complex Hole Shapes

The rigid spindle architecture with 200 N/µm radial stiffness ensures geometric precision when grinding circles, squares, and hexagons.

Extending Component Lifespan under High Thermal Load

An integrated 4000 Kcal/hr cooling unit manages heat efficiently, extending the component service life.

FAQ

What customizable tool interface options are available for this series?

This motorized series features standard D36/63 and HSK-C63 tool interfaces, which accommodate specific grinding quill configurations with a robust nut fixation mechanism to match your exact machining requirements.

How does the spindle maintain stability during 24000 rpm operations?

Stability at a maximum speed of 24000 rpm is maintained through high-rigidity front bearings with a 65 mm bore diameter, combined with an active water or oil cooling unit to control thermal expansion.

Can this manufacturing equipment be configured for closed-loop control?

Yes, an integral encoder for closed-loop control can be integrated as an optional feature to deliver precise speed and position feedback for advanced CNC grinding systems.

Our expertise in high-speed machining architectures allows THETA PRECISION CO., LTD. to deliver premium grinding spindles by expert spindle manufacturer that optimize factory efficiency. As a D-U-N-S® certified spindle manufacturer, we provide custom sizes ensuring these grinding spindles meet strict rigidity needs for internal hole processing. By engineering advanced cooling mechanisms into our grinding systems, we assist procurement managers in maintaining superior surface quality while lowering operations cost. Partner with us to upgrade your machinery and gain a stronger competitive edge; send your technical inquiry now.