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Machine Introduction
CNC Vertical grinder is suitable for processing parts with high precision and high surface quality requirements in manufacturing industries such as equipment, bearings, military, energy, aerospace, etc. The goal is to process the inner hole, outer circle, end face, groove and taper surface of disc-shaped, ring-shaped and sleeve-shaped parts.
The machining accuracy level can reach IT3~IT 2, and the surface roughness ≤ Ra0.2. The machine tool is equipped with a left and right double grinding head configuration, with a horizontal grinding head (which can also be a vertical grinding head) mounted on the left slide and a universal grinding head mounted on the right slide, which can be indexed and positioned at will within a range of ±45°. The double grinding head can work simultaneously using the dual-channel function to improve grinding efficiency.
In one clamping, the grinding of the workpiece's bore, external diameter, end face, taper and bearing groove can be achieved. Wheel dressing is carried out by CNC linkage to achieve dressing grinding. Optional functions such as in-process measurement, in-process dynamic balancing, the AE anti-collision system and an automatic wheel magazine improve the quality, efficiency and safety of workpiece machining.
Component Features
High-power And High-precision Electric Spindle
1. High precision: grinding spindle runout ≤1μm, spindle vibration ≤0.15mm/s.
2. High configuration: synchronous direct-drive motor + online dynamic balancing.
3. High speed: high linear speed + high rigidity performance.
4. High interchangeability: spindle standard modular design.
Direct-drive High-precision Hydrostatic Rotary Table
1. High rotary accuracy: better workpiece flatness and parallelism.
2. High positioning accuracy: direct-drive torque motor + high-precision grating.
3. Patented liquid hydrostatic bearing technology: never wear and tear, machine tool accuracy is maintained for a long time.
High Precision Rotary Table
1. High positioning accuracy: turbine worm gear + high-precision grating.
2. High load capacity: large torque hydraulic braking system to assist braking and positioning.
3. High applicability: grinding head automatic indexing, ±22.5 ° positioning processing.
Processing Workpiece
Bearing housings | Wind power gears | Turbine Disks |
Aerospace Bearings | Housing | Flange |
Technical Specifications
Item | Parameters | Item | Parameters |
Table size | φ800 mm | Table runout | Radial, Face≤0.002mm |
Max. grinding height | 550 mm | B-axis rotation angle | ±22.5° |
Maximum grinding depth | 500mm | X-axis travel speed (continuously variable) | 0.010-10m/min |
Max. table load | 1500 Kg | Z-axis travel speed (continuously variable) | 0.010 m/min |
Table speed (stepless) | 0.01-100 rpm | Positioning accuracy and repeatability of X and Z axes | ≤0.006mm/≤0.003mm |
Max. spindle speed and interface | 8000rpm、HSK63-C | X-axis parallelism of the grinding head to the rotary table | ≤0.005mm/500mm |
Spindle runout | Radial, Face≤0.002mm | Z-axis parallelism of the grinding head to the rotary table | ≤0.003mm/500mm |
(Table 1)
No. | Model | Rotary table diameter(mm) | Max. rotary diameter(mm) | Max. workpiece height(mm) | Max. workpiece weight(kg) |
1 | YHJMKG2835×2 | φ350 | φ500 | 400 | 400 |
2 | YHJMKG2860×2 | φ600 | φ750 | 500 | 1000 |
3 | YHJMKG2880×2 | φ800 | φ1000 | 650 | 1500 |
4 | YHJMKG28100×2 | φ1000 | φ1200 | 650 | 2000 |
5 | YHJMKG28125×2 | φ1250 | φ1500 | 650 | 3000 |
6 | YHJMKG28160×2 | φ1600 | φ1850 | 850 | 5000 |
7 | YHJMKG28200×2 | φ2000 | φ2300 | 1050 | 5000 |
(Table 2)
Features
Machine Introduction
CNC Vertical grinder is suitable for processing parts with high precision and high surface quality requirements in manufacturing industries such as equipment, bearings, military, energy, aerospace, etc. The goal is to process the inner hole, outer circle, end face, groove and taper surface of disc-shaped, ring-shaped and sleeve-shaped parts.
The machining accuracy level can reach IT3~IT 2, and the surface roughness ≤ Ra0.2. The machine tool is equipped with a left and right double grinding head configuration, with a horizontal grinding head (which can also be a vertical grinding head) mounted on the left slide and a universal grinding head mounted on the right slide, which can be indexed and positioned at will within a range of ±45°. The double grinding head can work simultaneously using the dual-channel function to improve grinding efficiency.
In one clamping, the grinding of the workpiece's bore, external diameter, end face, taper and bearing groove can be achieved. Wheel dressing is carried out by CNC linkage to achieve dressing grinding. Optional functions such as in-process measurement, in-process dynamic balancing, the AE anti-collision system and an automatic wheel magazine improve the quality, efficiency and safety of workpiece machining.
Component Features
High-power And High-precision Electric Spindle
1. High precision: grinding spindle runout ≤1μm, spindle vibration ≤0.15mm/s.
2. High configuration: synchronous direct-drive motor + online dynamic balancing.
3. High speed: high linear speed + high rigidity performance.
4. High interchangeability: spindle standard modular design.
Direct-drive High-precision Hydrostatic Rotary Table
1. High rotary accuracy: better workpiece flatness and parallelism.
2. High positioning accuracy: direct-drive torque motor + high-precision grating.
3. Patented liquid hydrostatic bearing technology: never wear and tear, machine tool accuracy is maintained for a long time.
High Precision Rotary Table
1. High positioning accuracy: turbine worm gear + high-precision grating.
2. High load capacity: large torque hydraulic braking system to assist braking and positioning.
3. High applicability: grinding head automatic indexing, ±22.5 ° positioning processing.
Processing Workpiece
Bearing housings | Wind power gears | Turbine Disks |
Aerospace Bearings | Housing | Flange |
Technical Specifications
Item | Parameters | Item | Parameters |
Table size | φ800 mm | Table runout | Radial, Face≤0.002mm |
Max. grinding height | 550 mm | B-axis rotation angle | ±22.5° |
Maximum grinding depth | 500mm | X-axis travel speed (continuously variable) | 0.010-10m/min |
Max. table load | 1500 Kg | Z-axis travel speed (continuously variable) | 0.010 m/min |
Table speed (stepless) | 0.01-100 rpm | Positioning accuracy and repeatability of X and Z axes | ≤0.006mm/≤0.003mm |
Max. spindle speed and interface | 8000rpm、HSK63-C | X-axis parallelism of the grinding head to the rotary table | ≤0.005mm/500mm |
Spindle runout | Radial, Face≤0.002mm | Z-axis parallelism of the grinding head to the rotary table | ≤0.003mm/500mm |
(Table 1)
No. | Model | Rotary table diameter(mm) | Max. rotary diameter(mm) | Max. workpiece height(mm) | Max. workpiece weight(kg) |
1 | YHJMKG2835×2 | φ350 | φ500 | 400 | 400 |
2 | YHJMKG2860×2 | φ600 | φ750 | 500 | 1000 |
3 | YHJMKG2880×2 | φ800 | φ1000 | 650 | 1500 |
4 | YHJMKG28100×2 | φ1000 | φ1200 | 650 | 2000 |
5 | YHJMKG28125×2 | φ1250 | φ1500 | 650 | 3000 |
6 | YHJMKG28160×2 | φ1600 | φ1850 | 850 | 5000 |
7 | YHJMKG28200×2 | φ2000 | φ2300 | 1050 | 5000 |
(Table 2)
