UPHM Series Ultraprecision Vertical Universal Grinder UPHM400
UPHM ultraprecision vertical universal grinders machine medium/large disk and sleeve parts. Core rotary tables, face/internal grinding heads, wheel dressers and slides use hydrostatic support. Z microfeed enables 0.1um-thick grinding. Ceramic, tungsten-steel and quartz parts receive surface and internal/external cylindrical machining, achieving runout 0.3um and flatness below 2um/400mm.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Maximum Grinding Dimensions | φ400mmx200mm |
| Cylindrical Machining Accuracy | Roundness <0.0002mm, Straightness <0.0002mm/100mm |
| Surface Roughness Ra | Ferrous Metals <Ra0.1; High-Hardness Materials <Ra0.05 |
| End-Face Turning Diameter | φ150mm |
| Workpiece Clamping Method | Standard T-Slot Worktable, Electromagnetic Chuck Optional |
| Rotary Table Bearing Structure | Hydrostatic Bearing, Capillary Restriction |
| Maximum Rotary Table Speed | 500rpm |
| Rated Rotary Table Torque | 200N.m |
| Rotary Table Rotation Accuracy | <0.0002mm, Standard Position Control Accuracy 0.01°, Optional 0.00001° |
| X-Axis Slide Travel and Thrust | 650mm-2000N |
| Z1-Axis Slide Travel | 240mm |
| Z2-Axis Slide Travel | 240mm |
| Support Slider Structure | Hydrostatic Slider, Capillary Restriction |
| X Slide Maximum Speed | 24m/min, Acceleration 1.5G |
| Z-Axis Slide Maximum Speed | 6m/min, Acceleration 0.5G |
| Slide Straightness Accuracy | <0.0002mm/100mm |
| X Slide Positioning Accuracy | Positioning Repeatability ±0.001mm, Position Accuracy ±0.0015mm |
| Z Slide Positioning Accuracy | Positioning Repeatability ±0.001mm, Position Accuracy ±0.0015mm |
| Internal Grinding Spindle | 12000rpm, 15kW, Hydrostatic Bearings, HSKE63 Grinding Arbor Interface |
| End-Face Grinding Spindle | 4000rpm, 15kW, Hydrostatic Bearings, 400*127*50 Grinding Wheel |
| Grinding Fluid Filtration Accuracy | Choose One of 0.1μm, 1μm or 10μm |
| Whole-Machine Temperature Control | Feed Axis Oil Temperature Control ±0.5℃; Workpiece and Grinding Axes Oil Temperature Control ±3℃ |
Applications
Datasheet
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