1.Definition of CNC spindle motors
CNC spindle motors refer to electric motors that are directly mounted on the spindle of a machine tool, and are usually integrated with the spindle of the machine tool to form an integral component. This type of motor directly drives the spindle to rotate, eliminating the traditional intermediate links such as belt drive and gearbox, thereby improving transmission efficiency and processing accuracy.
2.Working principle of CNC spindle motors
The working principle of CNC spindle motors is to convert electrical energy into mechanical energy to drive the tool for processing. When current passes through the electric spindle motor, a magnetic field is generated between the iron core and the coil inside the motor, causing the motor to rotate. The bearings and spindle box inside the motor will also rotate, driving the workpiece for processing.
3.Core technologies of CNC spindle motors
1.Electric spindle technology: The electric spindle is one of the core components of CNC machine tools, and its performance directly affects the processing accuracy and stability of the machine tool. High-performance electric spindles have great advantages in accuracy and stability, but the price is also relatively high.
2.Integrated Capto-C6 toolholder: This toolholder can be occasionally interrupted when the spindle is processing the workpiece, and another spindle can be used to replace the processing, thereby improving processing efficiency and accuracy.
3.Center-hole water-cooled toolholder: This toolholder helps the tool to maintain a low temperature at high-speed rotation through an internal cooling system, thereby improving processing accuracy and extending tool life.
4.HSK-63 toolholder: This toolholder realizes frictionless tool change, improves tool change speed and accuracy, and shortens machine tool downtime.
5.Direct drive technology: Direct drive technology reduces transmission links, improves transmission efficiency and accuracy, and is an important development trend of modern CNC machine tools.
6.High-precision measurement technology: High-precision measurement technology ensures the accuracy and stability of machine tools during processing, such as the use of high-precision measuring devices such as grating rulers.
4.Application fields of CNC spindle motors
1.Mold manufacturing: In the mold manufacturing industry, electric spindle motors are used to process complex mold cavities, which require high speed and high torque performance to ensure the quality and accuracy of the machining surface.
2.Automobile parts manufacturing: In the manufacturing of automobile parts, electric spindle motors are used to turn shaft parts, such as automobile half shafts, and need to provide stable rotation speed and high machining accuracy.
3.Bearing manufacturing: In bearing manufacturing, electric spindle motors are used to grind bearing rings. High speed can reduce grinding force and improve grinding surface quality.
4.Printed circuit board manufacturing: In the drilling process of printed circuit boards (PCBs), electric spindle motors drill holes at extremely high speeds to ensure the position accuracy and aperture accuracy of the holes.
5.CNC machine tools: Electric spindle motors are the core components of CNC machine tools, which are used to achieve high-speed precision machining and improve machining efficiency and accuracy.
6.Packaging equipment: In packaging equipment, electric spindle motors are used for precise control of winding and feeding, improving production efficiency and product quality.
7.Textile equipment: In textile equipment, electric spindle motors are used to control the accuracy of winding and unwinding, ensuring the stability of the production process.
8.Robotics: In the field of robotics, electric spindle motors are used for precise control of robotic arms, improving operational flexibility and accuracy.
9.3D printing equipment: With the development of 3D printing technology, electric spindle motors are also used in 3D printing equipment to improve printing accuracy and efficiency.
10.Medical equipment: In medical equipment, electric spindle motors are used for precision processing and operation to ensure the accuracy and reliability of surgical instruments and equipment.
11.Unmanned vehicles: In emerging fields such as unmanned vehicles, electric spindle motors are used to achieve precise control and operation, improving the intelligence level of equipment.
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