Home Generation Ⅲ Wheel Hub Bearing Grinding and Superfinishing Line

Generation Ⅲ Wheel Hub Bearing Grinding and Superfinishing Line

The automatic grinding and superfinishing line is appropriate for generation Ⅲ wheel hub bearing with a size of ID= φ35-φ80mm, outer ring OD= φ100-φ190mm


Configurations
3MZ1320A Auto inner ring raceway grinding machine for generation Ⅲ wheel hub bearing
3MZ3120A Auto inner ring raceway superfinishing machine for generation Ⅲ wheel hub bearing
3MZ2120A Auto OD grinding machine for generation Ⅲ wheel hub bearing (option)
3MZ1420A Auto outer ring raceway grinding machine for generation Ⅲ wheel hub bearing
3MZ3220A Auto outer ring raceway superfinishing machine for generation Ⅲ wheel hub bearing


Features
1. The grinding speed is set on the display screen. The raceway grinding machine provides diamond roller dressing for inner ring raceway and outer ring raceway, which can dress the radius contour, and crowning amount 0~40 micron adjustable.
2. Constant speed grinding, with clamping electric current at 0.1~2.0A adjustable, with "High-Low" switch.
3. The superfinishing machine have two oscillation-heads at two stations can superfinishing rough and fine one time. The oilstone pressure, oscillation frequency and workpiece rotational speed can be set on the display screen.
4. Full enclosure with three sliding doors, electrical cabinet has an IP54 protection level sealed structure and is equipped with a constant-temperature air conditioner.
5. The modular kit system enables customer-specific designs.

Generation Ⅲ Wheel Hub Bearing Grinding and Superfinishing Line

Specifications
No.
Machine name Auto inner ring raceway grinding machine for ball bearing Auto inner ring raceway superfinishing machine for ball bearing Auto OD grinding machine for ball bearing Auto outer ring raceway grinding machine for ball bearing Auto outer ring raceway superfinishing machine for ball bearing
Machine model 3MZ1320A 3MZ3120A 3MZ2120A 3MZ1420A 3MZ3220A
Processing range(mm) ID=φ35-φ80 B=40-100 ID=φ35-φ80 B=40-100 OD=φ100-φ190 B=40-100 OD=φ100-φ190 B=40-100 OD=φ100-φ190 B=40-100
Processing accuracy P4/P5/P6 P4/P5/P6 P4/P5/P6 P4/P5/P6 P4/P5/P6
Work station One station Vertical dual-station One station One station Vertical dual-station
Process Support raceway grinding raceway Diaphragm chuck finishing OD and superfinishing raceway Support OD grinding OD Support OD grinding raceway Diaphragm chuck finishing OD and superfinishing raceway
Control system PLC/CNC 2-axis PLC/CNC 2-axis PLC/CNC 2-axis PLC/CNC 2-axis PLC/CNC 2-axis
Slide Slides ball screw Slides ball screw Slides ball screw Slides ball screw Slides ball screw
Grinding spindle Precise hydrodynamic spindle / Precise hydrodynamic spindle Permanent magnet synchronous electric spindle /
Size of grinding wheel (mm) Ф610×B×Ф305 / Ф610×B×Ф305 Max. Ф70×B /
Speed of grinding wheel Max 63m/s / Max 63m/s Max 63m/s /
Spindle power 30kw / 22kw 32kw /
Dresser Diamond roller dresser / Single-point linear dresser Diamond roller dresser /
Dressing slide Slides ball screw / Slides ball screw Slides ball screw /
Dressing curve Straight line and compound curve Straight line Straight line and compound curve
Oscillation frequency / 0-1100 /min / / 0-1100 /min
Superfinishing pressure / 0.1-0.5 MPa / / 0.1-0.5 MPa
Hydraulic system 1.6-3.0 MPa 1.6-3.0 MPa 1.6-3.0 MPa 1.6-3.0 MPa 1.6-3.0 MPa
Pneumatic system 0.3-0.5 MPa 0.3-0.5 MPa 0.3-0.5 MPa 0.3-0.5 MPa 0.3-0.5 MPa
Cooling system 0.2-0.5 MPa 0.2-0.5 MPa 0.2-0.5 MPa 0.2-0.5 MPa 0.2-0.5 MPa
Machine power 55KVA 25KVA 50KVA 50KVA 25KVA
Machine weight 6500kg 5500kg 6500kg 6000kg 5500kg
Machine size (m) 2.3 × 2.0 × 2.0 2.0 × 2.0 × 2.0 2.3 × 2.0 × 2.0 2.3 × 2.0 × 2.0 2.0 × 2.0 × 2.0

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