Nakannishi Chinese Western Micro Precision Electric Spindle NR-2351

Nakannishi Chinese Western Micro Precision Electric Spindle NR-2351|Specially designed for compact space and high-precision machining

Nakannishi Chinese Western Micro Precision Electric Spindle NR-2351, is a high-precision spindle designed specifically for CNC lathes, specialized machines, and small CNC machine tools. With a super small outer diameter of 22.8mm, multi spindle parallel installation can be achieved in a limited space, greatly improving production efficiency. The spindle adopts ceramic bearings and brushless motor technology, which combines high rigidity, long service life, and machining accuracy, making it suitable for precision parts machining scenarios with strict requirements for space and accuracy.

High speed electric spindle NR-2351 core advantages

(1) Save space

• Designed with an ultra-fine outer diameter of 22.8mm, it supports dense layout of multiple spindles and utilizes the internal space of the machine tool.

(2) Ultra high precision and stable processing

• The radial runout accuracy of the spindle is ≤ 1 μ m, ensuring dimensional consistency in micro machining and suitable for high-precision turning, drilling and other processes. The durability and reliability have been comprehensively improved.

• Ceramic bearing structure, increased rigidity, allows for more aggressive processing parameters, and has a lifespan twice that of traditional bearings.

• The design of the brushless motor eliminates carbon powder pollution, extends its service life, and reduces maintenance frequency.

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(3) Wide adaptability and flexible clamping

• Supports CHK series cylinder clamps, with a clamping range covering from 0.5mm to 6.35mm.

• The tool has a depth of 50mm and a clamping depth of 35mm, suitable for various cutting tools and machining needs.

High speed electric spindle NR-2351 product parameters

Model: NR-2351

Outer diameter: diameter 22.8 mm

Speed: 50000 rpm

Spindle accuracy: ≤ 1 μ m

Tube clamp model: CHK series (diameter 0.5~diameter 6.35mm)

Clamping depth: 35 mm

Tool penetration length: 50 mm

Weight: 215g

Standard accessories:

Nut (K-265) × 1

Wrench (12 × 14) × 2

Wrench (20 × 24) × 1

CHK series tube clamp (diameter 0.5~6.35mm, configured according to requirements)

High speed electric spindle NR-2351 product size

Application scenarios of high-speed electric spindle NR-2351

(1) Precision electronic components, clock parts, and medical micro components processing;

(2) Multi spindle specialized machine tools, integrated with automated production lines;

(3) Space limited CNC lathes and desktop CNC equipment;

(4) Precision turning and drilling with high smoothness and precision requirements.

Why choose the high-speed electric spindle NR-2351?

(1) Balancing accuracy and space: Achieving a jump within 1 μ m at a size of φ 22.8mm, breaking spatial limitations without compromising accuracy.

(2) Durable and stable operation: ceramic bearings+brushless motor technology, suitable for long-term high load processing environments.

(3) Ready to use: comes standard with complete accessories, compatible with common clamp systems, and can be quickly integrated into existing equipment.