Direct-driven high-precision hydrostatic turntable
Main Function:
Static pressure turntable applications: precision processing equipment, large, heavy-duty processing equipment.
Category: Product Center
Keywords: Yuhuan
Typical Machined Parts
Vertical Grinder Machining Center
Main Feature
● High rotary accuracy: the roundness and flatness of the workpiece are better.
● High positioning accuracy: direct drive torque motor + high precision grating.
● The patent technology of hydrostatic bearing: never wear, the precision of machine tool is kept for a long time.
Technical Parameter
Project | Models | |||||
YHJHRT35 | YHJHRT60 | YHJHRT80 | YHJHRT100 | YHJHRT120 | YHJHRT160 | |
Hydrostatic oil | Vg32、30 bar | |||||
mesa size(mm) | Ф350 | Ф600 | Ф800 | Ф1000 | Ф1250 | Ф1600 |
axial load at 30 bar(N) | 16,000 | 35000 | 80000 | 90000 | 130000 | 230000 |
radial load(N) | 3,000 | 6000 | 8400 | 20000 | 30000 | 40000 |
allowable overturning torque at 30 bar(Nm) | 230 | 1900 | 3700 | 7700 | 23000 | 32000 |
axial film stiffness (N/μm) | 6,373 | 8766 | 12140 | 18180 | 26670 | 46000 |
radial film stiffness (N/μm) | 1,620 | 3105 | 4200 | 5300 | 6500 | 800 |
maximum speed(rpm) | 300 | 200 | 130 | 90 | 550 | 50 |
hydraulic oil flow rate( L/min) | 2 | 3.5 | 4 | 4.8 | 7 | 11 |
Rotation accuracy (end jump/diameter jump)(mm) | 0.0005 | 0.0005 | 0.0008 | 0.001 | 0.001 | 0.001 |