Company Overview

Guangzhou Haozhi Industrial Co., Ltd., established in 2003 and publicly listed since 2017, is a national high-tech enterprise specializing in the research, design, manufacturing, sales, and maintenance of core components for mid- to high-end CNC machine tools, robots, and new energy vehicles. It is a global leader in electric spindle technology, holding the largest production scale in China and the highest global market share. The company operates multiple manufacturing bases across China and Europe, emphasizing independent technological innovation to serve the advanced global manufacturing industry.

Product Series

• Electric Spindle Series: Includes lathe spindles, PCB spindles, glass grinding spindles, high-gloss finishing spindles, ultrasonic spindles, machining center spindles, drilling and tapping spindles, engraving and milling spindles.
• Grinding Solutions: High-speed internal and external cylindrical grinding spindles.
• Other Products: Woodworking spindles, dental spindles, reducers, linear motors, turntables, swivel rotary heads, tool holders, collets, clamping devices, and hydrogen electric air compressors.

Technical Capabilities and Facilities

The company employs over 300 R&D personnel, many with graduate degrees, investing more than 6% of annual revenue into R&D. Haozhi holds over 300 patents and operates advanced laboratories for physical/chemical testing, bearing and motor testing, cutting performance, robotics, and reliability. Manufacturing facilities exceed 100,000 m² with an annual spindle production capacity of about 300,000 units. Precision machining reaches 0.1 μm with nano-level inspection instruments.

Lathe Spindle Series - Key Features

• Precision & Rigidity: Advanced heat treatment and standardized parts ensure toughness and wear resistance. End runout ≤ 2 μm, distal runout ≤ 3 μm, dynamic balance accuracy up to G2.5.
• Bearings & Structure: Large diameter roller and ball bearings improve stiffness by over 30% compared to similar products.
• Motor Integration: Built-in motors provide high torque, rapid start/stop, and precise control.
• Customization: Brake, protection, and pulley structures can be tailored and matched with various drive systems.
• Quality Assurance: Strict process control with spectrum detection; over 30,000 units validated in customer applications.

Technical Specifications of Selected Lathe Spindles

• Models include DGZC series Swiss-type motorized lathe spindles with three-phase AC induction or permanent magnet synchronous motors.
• Max speeds: 6,000 to 12,000 rpm.
• Rated power: ~1.5 kW to 4.5 kW.
• Rated torque: 3.7 Nm to 11.7 Nm.
• Balance grade: G2.5.
• Grease lubrication.
• Runout at 25 mm ≤ 2 μm.
• Through-hole diameters: ~20-25 mm.
• Encoders: chord wave, square wave, or SYNTEC types.
• Horizontal installation.
• Compatible CNC systems: Siemens, FANUC, Huazhong CNC, GSK, LNC, SYNTEC, BaoYuan, etc.

Motor Characteristics

Motor curves show peak torque up to ~18 Nm and peak power up to 4.5 kW depending on model. Motors include three-phase AC induction and permanent magnet synchronous types optimized for efficiency and stability.

Product Philosophy and Commitment

Haozhi focuses on high precision, efficiency, and stability, committing to continuous innovation to support global advanced manufacturing and improve human experience.

Contact and Locations

Headquarters in Guangzhou, China, with branches and factories in Suzhou, Hunan, Shanghai, and Europe (Spain, France, Switzerland). Contact via [email protected].

Critical Notes

• Product designs and parameters may change without prior notice; actual products take precedence over images.
• All products undergo rigorous quality control and testing before shipment.

Detailed Technical Specifications

1. Motorized Spindles

• Motor Type: Three-phase AC permanent magnet synchronous motors.
• Max Speed: 10,000 to 63,000 rpm depending on model.
• Peak Torque: Up to ~220 Nm.
• Rated Voltage: Typically 380 V.
• Power Ratings: Continuous and peak power from ~6.3 kW to over 20 kW.
• Balance Grade: High precision (e.g., G6.3) to minimize vibration.
• Lubrication: Grease.
• Nose Form & Taper: Standardized with tight tolerances.
• Runout Tolerances: Conical and front face runouts ≤ 0.003 mm.
• Bearings: High-quality models specified for durability and precision.
• Through-hole Diameter: Model-dependent for tooling or coolant passage.
• Encoders: Chord or SYNTEC types for precise feedback.
• Installation: Horizontal.
• Compatible CNC Systems: Siemens, FANUC, Huazhong CNC, SYNTEC, GSK, LNC, etc.

2. Mechanical Spindles

• Max Speed: 10,000 to 20,000 rpm depending on model.
• Balance Grade: High precision (e.g., G6.3).
• Lubrication: Grease.
• Nose Form & Taper: Standardized with specified dimensions.
• Runout Tolerances: ≤ 0.003 mm conical and front face.
• Bearings: Specified for reliability and precision.
• Through-hole Diameter: Provided per model.
• Drive Belt Types: V-belt, synchronous belt, or XL belt depending on model.
• Encoder Options: Magnetic rings or SYNTEC encoders.
• Weight & Dimensions: Detailed parameters provided for installation planning.
• Installation: Horizontal.

3. Quality and Innovation

All spindles are developed with independent technology innovation, emphasizing precision, reliability, and compatibility with leading CNC systems worldwide.

4. Critical Parameters and Best Practices

• Use specified grease lubrication to ensure spindle longevity.
• Install spindles horizontally to maintain balance and runout tolerances.
• Use compatible CNC systems and encoders for optimal control.
• Adhere to runout tolerances to guarantee machining precision.
• Select spindle models based on speed, torque, and power requirements guided by motor characteristic curves.

5. Summary Tables and Data

Extensive tabulated data include electrical parameters (current, voltage, power, torque), mechanical parameters (runout, bearing types, through-hole diameters), installation dimensions, weights, and CNC compatibility. These serve as essential references for engineers and technicians.

Mechanical Spindle DGZC Model Specifications

• Model: DGZC-xxxxA?-FC (exact variant unspecified).
• Max Speed: Not explicitly stated.
• Balance Grade: G6.3.
• Lubrication: Grease.
• Nose Form: A?-type (exact form unspecified).
• Runout Limits: Conical and front face ≤ 0.003 mm; runout at standard rod ≤ 0.01 mm.
• Bearings: Combination of NNxxxx series (exact codes partially unspecified).
• Through-hole Diameter: Not specified.
• Drive Belt Pulley: Synchronous belt.
• Encoder: SYNTEC magnetic ring encoder.
• Installation: Horizontal.

Dimensional parameters (A, B, C, D, L, L', L'') are referenced but exact values are not provided.

The DGZC spindle emphasizes high precision and reliability for high-speed machining environments. Manufacturing, sales, and service locations include Shanghai and Yueyang (China), with sales/service offices in Zurich, Lourdes, Minsk, Badalona, and Novosibirsk.

Best Practices for DGZC Spindle

• Maintain grease lubrication as specified.
• Ensure horizontal installation.
• Monitor runout values to remain within tight tolerances.
• Use synchronous belt drive and SYNTEC magnetic ring encoder for precise control.

This spindle is designed for stable, reliable operation in advanced manufacturing requiring high speed and precision.