High Speed Motor Spindles

Machine Tool Spindles for Milling, Grinding, Drilling & Routing

LPR Global designs and manufactures customized motor spindles for a wide range of machining processes including milling, grinding, drilling and tapping, boring, engraving, and deburring. Hybrid angular contact ball bearings and air bearings are used to enable greater stiffness, longer service life, and faster speeds. Our engineers have 30+ years of experience producing powerful and reliable spindle designs, paying special attention to shaft strength, bearing lifespan, and minimizing vibrations.

We produce custom-built motor spindles with various sizes, torques, and speeds, suited for all applications such as high precision machining, mass production of parts, and testing and measurement systems. Our clients come from diverse industries like automotive, aerospace, mold & die, semiconductor, and industrial manufacturing.

Contact us with your requirements for customized spindles, or check out our popular spindle designs.

Motorized Milling Spindles

Milling Spindles Specifications

Machine tool spindles in sizes 80 to 230 mm that we offer are used for milling, drilling, tapping and deburring. They contain hybrid ceramic ball bearings and built-in motors, providing a long service life and minimal vibration. Optional features include through-spindle coolant systems, oil mist lubrication, encoders, and temperature sensors.

Motorized Grinding Spindles

Grinding Spindles Specifications 

Grinding spindles are available in sizes 60-30 mm, with a speed range of 3,000 to 60,000 RPM, and motor power up to 25 kW.

LPR Global’s spindles are widely used by grinding machine manufacturers for cylindrical grinding, ID/OD grinding, surface grinding and tool grinding. Applications include grinding bearings, collets, wheel dressers, quartz and glass materials, automotive parts, aerospace parts, and smartphone components.

Tool Grinding Machine Spindles

Tool Grinder Spindles Specifications 

Work Head Spindle

Model: SW110-W
Housing Diameter (mm): 110
Speed (max. RPM): 5,000
Taper: MT5
Tool Change: Manual

Rough Grinding Spindle

Model: SW100-284-R
Housing Diameter (mm): 100
Speed (max. RPM): 6,000
Taper: Straight
Tool Change: Manual

Rough Grinding Motor

Model: SW180-6085-R
Housing Diameter (mm): 180
Power (kW): 8.5
Speed (max. RPM): 6,000
Taper: Straight
Tool Change: Manual

Finish Grinding Spindle

Model: SW120-8014-F
Housing Diameter (mm): 120
Power (kW): 1.4
Speed (max. RPM): 8,000
Taper: Straight
Tool Change: Manual

Model: SW62A-1005-E11
Housing Diameter (mm): 62
Power (kW): 0.5
Speed (max. RPM): 100,000
Taper: ER11
Tool Change: Manual

Model: SW62A-1251-E11
Housing Diameter (mm): 62
Power (kW): 1.0
Speed (max. RPM): 125,000
Taper: ER11
Tool Change: Manual

Model: SW62A-1005-PC6
Housing Diameter (mm): 62
Power (kW): 0.5
Speed (max. RPM): 100,000
Taper: PC6
Tool Change: Automatic

Model: SW62A-1251-PC6
Housing Diameter (mm): 62
Power (kW): 1.2
Speed (max. RPM): 80,000
Taper: PC6
Tool Change: Automatic