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Description
Precision grinding machines with internal grinding equipment, and coolant system.
| Model | UG20x500 | UG20x750 | UG32x1000 | UG32x1500 | UG32x2000 | UG32x3000 |
| Center Height | 135mm | 135mm | 180mm | 180mm | 180mm | 180mm |
| Travel of Worktable (Max) | 640mm | 850mm | 1090mm | 1600mm | 2100mm | 3100mm |
| Grinding Length | 500mm | 750mm | 1000mm | 1500mm | 2000mm | 3000mm |
| Grinding Diameter Without Steady Rest | 8-200mm | 8-200mm | 8-320mm | 8-320mm | 8-320mm | 8-320mm |
| Grinding Diameter With Steady Rest | 8-60mm | 8-60mm | 8-60mm | 8-60mm | 8-60mm | 8-60mm |
| Inside Grinding Diameter Without Rest | 25-100mm | 25-100mm | 35-100mm | 35-100mm | 35-100mm | 35-100mm |
| Inside Grinding Diameter With Steady Rest | 35-100mm | 35-100mm | 30-100mm | 30-100mm | 30-100mm | 30-100mm |
| Inside Grinding Depth | 125mm | 125mm | 125mm | 125mm | 125mm | 125mm |
| Workpiece Weight Between Centers (Max.) | 80kg | 80kg | 150kg | 150kg | 150kg | 150kg |
| Table Swivel Range (Max.) | 3/8 ° R / L | 2/6° R / L | 3/7° R / L | 3/6° R / L | 3/5° R / L | 2/3° R / L |
| Feeds | ||||||
| Table Feed, Infinitely Variable – Longitudinal Axis | 0,1-4m/min | 0,1-4m/min | 0,1-4m/min | 0,1-4m/min | 0,1-4m/min | 0,1-3m/min |
| Traverse Per. Rev. of Headwheel (mm) | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm |
| Traverse Per. Div. of Headwheel (mm) | 0.01（coarse）/0.0025（fine）mm | 0.01（coarse）/0.0025（fine）mm | 0.01（coarse）/0.0025（fine）mm | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm | 2（coarse）/0.5（fine）mm |
| Work Feed On Traverse Axis (Grinding Unit Back And Forth) | auto | auto | auto | auto | auto | auto |
| Headstock | ||||||
| Work Spindle Speeds | 25 – 380 1/min | 25 – 380 1/min | 25 – 220 1/min | 25 – 220 1/min | 25 – 220 1/min | 25 – 220 1/min |
| Working Headstock Swivel Range | 0 – 45° | 0 – 45° | 0 – 45° | 0 – 45° | 0 – 45° | 0 – 45° |
| Spindle Taper | MT4 | MT4 | MT4 | MT4 | MT4 | MT4 |
| Grinding Headstock | ||||||
| Inside Grinding Spindle Speed | 10000 1/min | 10000 1/min | 10000 1/min | 10000 1/min | 10000 1/min | 10000 1/min |
| Grinding Headstock Swivel Range (r+l) | 10 degrees CCW± ° | 10 degrees CCW± ° | 30± ° | 30± ° | 30± ° | 30± ° |
| Grinding Head Travel | 200mm | 200mm | 250mm | 250mm | 250mm | 250mm |
| Grinding Wheel Peripheral Speed | 35 m/s | 35 m/s | 35 m/s | 35 m/s | 35 m/s | 35 m/s |
| Grinding Wheel Speed | 1670 1/min | 1670 1/min | 1670 1/min | 1670 1/min | 1305 1/min | 1305 1/min |
| Tailstock | ||||||
| Tailstock Taper | MT4 | MT4 | MT4 | MT4 | MT4 | MT4 |
| Quill Travel | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
| Drive Capacity | ||||||
| Motor Rating Main Drive | 5.5kw | 5.5kw | 5.5kw | 5.5kw | 7.5kw | 7.5kw |
| Motor Rating of Internal Grinding Unit | 1.1kw | 1.1kw | 1.1kw | 1.1kw | 1.1kw | 1.1kw |
| Motor Rating of Hydraulic Pump | 0.75kw | 0.75kw | 0.75kw | 0.75kw | 0.75kw | 0.75kw |
| Motor Rating of Working Spindle | 0.75kw | 0.75kw | 1.5kw | 1.5kw | 1.5kw | 1.5kw |
| Motor Rating of Coolant Pump | 0.13kw | 0.13kw | 0.125kw | 0.125kw | 0.125kw | 0.125kw |
| Accuracies | ||||||
| Run-Out Deviation | 0.003mm | 0.003mm | 0.003mm | 0.003mm | 0.003mm | 0.003mm |
| Cylindrical Deviation（O.D/I.D | 0.008/0.01mm | 0.008/0.01mm | 0.008/0.01mm | 0.008/0.01mm | 0.008/0.01mm | 0.008/0.01mm |
| Roughness（O.D/I.D） | 0.32/0.63 µm Ra | 0.32/0.63 µm Ra | 0.32/0.63 µm Ra | 0.32/0.63 µm Ra | 0.32/0.63 µm Ra | 0.32/0.63 µm Ra |
| Roundness (O.D/I.D) | 1.5/2.5µm | 1.5/2.5µm | 2.5/2.5 µm | 2.5/2.5 µm | 2.5/2.5 µm | 2.5/2.5 µm |
| Measures and Weights | ||||||
| Grinding Wheels Dimensions | 400 x 50 x 203mm | 400 x 50 x 203mm | 400 x 50 x 203mm | 400 x 50 x 203mm | 500 × 50 × 203mm | 500 × 50 × 203mm |
| Grindstone Dimensions, Inside Grinding (Max.) | 50 x 40 x 16mm | 50 x 40 x 16mm | 50 x 40 x 16mm | 50 x 40 x 16mm | 50 x 40 x 16mm | 50 x 40 x 16mm |
| Grindstone Dimensions, Inside Grinding (Min.) | 45 x 35 x 10mm | 45 x 35 x 10mm | 45 x 35 x 10mm | 45 x 35 x 10mm | 45 x 35 x 10mm | 45 x 35 x 10mm |
| Overall dimensions (Length x Width x Height) | 2500 x 1800 x 1650mm | 3000 x 1800 x 1650mm | 3610 x 1810 x 1550mm | 4610 x 1810 x 1550mm | 5610 x 1810 x 1550mm | 7610 x 1810 x 1550mm |
| Weight | 3000kg | 3500kg | 3700kg | 4300kg | 6200kg | 8600kg |
| Model | UG50 | UG63 |
| Distance Between Centers | 1500/2000/3000mm | 2200/3120/4300/5300mm |
| Center Height | 270mm | 335mm |
| Dia. Ground (O.D) | 25-500mm | 30-630mm |
| Dia. Ground (I.D) | 30-200mm | N/A |
| Max. Length Ground(O.D) | 1500/2000/ 3000mm | 2000/3000/4000/5000mm/td> |
| Max.Weight of Workpiece | 1000kg | 3000kg |
| Workhead | ||
| Workhead Swiveling Angle | +90° | Fixed |
| Center Taper | 6MT | Metric #80 |
| Spindle Speed | 50HZ:20-224 r/min | 8-200 r/min |
| Wheelhead | ||
| Wheel Spindle Speed | 1330/665 r/min | 743r/min |
| Wheelhead Rapid Travel | 100mm | 100mm |
| Max. Travel | 250mm | 350mm |
| Swiveling Angle | -30° | Fixed |
| Hand Feed Per. Rev | Rough:4mm Fine:0.5mm |
Rough:2mm Fine:0.5mm |
| Hand Feed Per. Gra | Rough:0.02mm Fine:0.0025mm |
Rough:0.01mm Fine:0.0025mm |
| Wheel Size（OD*W*ID) | 500 x 75 x 305mm | 900 x 75 x 305mm |
| Peripheral Velocity | 35M/s | 35M/s |
| Internal Grinding Device | ||
| Spindle Speed | 7000 r/min | N/A |
| Dimension of Wheel | Max:175x32x32mm, Min:30x25x10mm | N/A |
| Table | ||
| Hand Feed Per. Rev | 5mm | Fine 2mm, Rough 8mm |
| Longtiudinal Speed Range of Table | 0.1—3 M/min | 0.1—3 M/min |
| Tailstock | ||
| Center Taper | MT6 | Metric #80 |
| Quill Travel | 70mm | 70mm |
| Motor | ||
| Wheelhead Motor Power | 7.5kw | 22kw |
| Workhead Motor Power | 4kw | 7.5kw |
| Oil Pump Motor Power | 1.1kw | 3kw |
| Coolant Power | 0.2kw | 0.25kw |
| Gross Weight | 9.6/11/14.5T | 19/23/25/28T |
| Packing Dimension | 530/600/820 x 260 x 210 cm | 7430/9783/12680/14178 x 3598 x 2185 mm |
Standard Accessories
• 3 Jaw Chuck
• Periperal Wheel Dresser
• Coolant System
• LED Light
• Grinding Wheel
• Open Type/Closed Steady Rest
• Balancing Stand and Arbor
• Extractor
• Drive Dog
• Centre
• Levelling Wedge
• Inverter Workhead
• Internal Grinding Attachment
• Wheel Dismount Tool
• Hydraulic Tailstock
• Front Guard With Interlock
• Wheel Lifter (UG63 only)
• Hydrostatic Oil Tank For Spindle (UG63 only)
• Measuring Plate (UG63 only)
• Oil Tank (UG63 only)
• Dial Gauge (UG63 only)
• Wheel Lifter (UG63 only)
• Wheel Dismount Tool (UG63 only)
• Magnetic Filter System (UG63 only)
Optional Accessories
• Magnetic Filter System
• 50L Paper Filter with Magnetic Separator and Coolant
• 100L Paper Filter with Magnetic Separator and Coolant
• 2 Axis DRO
• Radial Dresser
• End Dresser
• Half Center
• Internal Grinding Attachment (UG63 only)
