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DYFDM-300 Hydrostatic B-Axis Spindle

The DYFDM-300 functions as a hydrostatic B-axis unit for vertical grinding machines rather than as a high-speed wheel spindle. Its 300 mm disc, 87 Nm continuous torque and exceptionally high axial stiffness support slow, precise rotary positioning under grinding loads.
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DYFDM-300 Hydrostatic B-Axis Spindle

INTRODUCTION

FEATURES

APPLICATION

FAQ

TECHNICAL DATA

ModelDYFDM-300(320)0.6/0.75-WS
Disc diameter (mm)Φ300
Drive oil typeISO VG10
Oil supply pressure (MPa)2.0-3.0
Axial static stiffness (N/μm)≥2500
Radial static stiffness (N/μm)≥400
Front end radial runout (mm)≤0.001
End face runout (mm)≤0.001
Rotation accuracy (mm)≤0.0003
Drive typeBuilt-in motor drive
Rotation movementTwo-way rotation
Maximum speed (rpm)60
Max. Frequency (Hz)52
Motor systemSynchronous motor
Rated voltage (V)380
Power output S1 100% (kW)1.3
Output torque S1 100% (N·m)87
Rated current S1 100% (A)4
Cooling systemWater cooling (Recommended)
Application areaUsed for B axis rotary table of vertical grinding machine
Weight (kg)227±10

DIMENSIONS

CONTACT US
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Discuss Your CNC Spindle or Motion Component Project

Share your machine type, machining process, performance targets or existing component specifications with Haozhi. Our technical team can support spindle selection, application matching, custom development and motion-component integration for new equipment and upgrade projects.
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    +86 186 6567 2648

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    +86 (20) 6225 7588 ext. 8558

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    No. 68 Hefeng Road, Huangpu District, Guangzhou, Guangdong Province, China, 511356