High Frequency Grinding Spindles

A popular category of grinding spindles is high frequency grinding spindle. High frequency grinding spindles are specially designed spindles used in all kinds of grinding machines in various industrial applications. These spindles are designed for applications involving low load requirements and high operating speeds. They are available in various sizes, with different speed ranges and power ranges depending on the application in which they are used.

Features of high-frequency grinding spindles
Different manufacturers have their own specifications while producing high-frequency grinding spindles but certain features that should be made available in all such spindles are as follows:

• Improved surface finish
• Increased part output
• Integrated motor design
• Compact design
• High rotational speed
• High torque
• High power values
• High metal removal rates
• Very high radial and axial stiffness values
• Automatic Tool Change systems
• Angular position
• Temperature sensors
• Speed control sensors
• Ability to interface to a wide number of frequency converters.
• Ability to interface to a wide number of drives etc.

Uses of high-frequency grinding spindles

• Applicable to all grinding machines.
• Capable of doing internal and external grinding.
• Capable of doing horizontal and vertical grinding.
• High frequency spindles are apt when grinding involves the following:
  • Easy removal of difficult material.
  • Relatively high metal removal rates.
  • Interrupted cuts etc.

Applications of high-frequency grinding spindles
High-frequency grinding spindles are applied in various grinding operations in some of the following areas:

• Automobile industry
• Bearing industry
• Printing and packaging machine manufacturers
• Cutting tool industry
• Tool rooms
• Mass production equipments
• CNC working centers and a wide spectrum of industries.

Buying tips Certain parameters to consider for the purchase of high-frequency grinding spindles are: Spindle speed: Spindle rotation in RPM, Spindle Power in kW, Spindle Torque in N.m. Consider both the maximum and minimum range and whether that particular range is suitable for your application or not. Rotation direction Frequency Voltage Current Maximum power input Bearing type Lubrication type Tool clamping Grinding Diameter: Maximum and minimum range Accessories like Head changer, Lubrication, Head with removable cartridges etc. Whether supplied with the spindle. Size: Floor space and weight Workhead: Whether straight head or angle head Surface finish: Preferably metallic machine base providing stiffness, thermal stability and vibration control. Multiple grinding spindle configurations : Whether available or not etc.