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CNC Internal And External Grinder
Maximum grinding diameter 8-260mm
Maximum grinding length 120mm
Maximum workpiece weight 10kg
Classification:
Composite grinding machine
Key words: CNC machine tools
Product Description
● Main Uses and Application Range
CNC Internal and exlernal grinders are sultable for grinding certaln batches of multi-step gears, shaft sleeves and other producls with concentric internal and exlernal clrcles. The machine can ensure one-time clamping and can grind the working outer diameler, end face and inner hole. Because the machine is equipped with a radial automatic measuring instrument, an axial end face detection device, a high-preclsion grating ruler and a high-performance CNC system, it ensures the accuracy of the grinding parts and achleves the high speed, efficlency and high reliabillty of the machine.
● Dynamic and Static Pressure Spindle
The series of integral sleeve type large taper stepped dynamic bearing and rolling thrust type dynamic bearing improves the bearing capacity and rotation accuracy of the spindle.
● Manual Scraping
The contact surface of the guide rail is processed by precision manual flower production, and the lubricating oil system reduces metal friction, ensuring hlgh preclsion and wear resistance of axia movement.
● Product Video
● Main Specifications and Technical Parameters
| ITEM MODEL | |
| Outor Circlo | |
| Maximum Grindable Diameter | 8-260mm |
| Maximum Grinding Length | 120mm |
| Maximum Workpiece Weight | 10kg |
| Range Of Workbench Moving Speed | 0.01-5m/min |
| Minimum Feeding Rate Of Workbench | 0.001mm |
| Maximum Move Distance Of Grinding Wheel Holder | 150mm |
| Minimum Feed Of Grinding Wheel Holder | 0.001mm |
| Grinding Wheel Specification (Dxtxd) | 600x63x305mm |
| Maximum Grinding Wheel Linear Speed | ≤50m/s |
| loner Circle | |
| Maximum Grindable Diameter | 8-150mm |
| Maximum Grinding Length | 120mm |
| Maximum Workpiece Weight | 10kg |
| Range Of Workbench Moving Speed | 0.01-5m/min |
| Minimum Feeding Rate Of Workbench | 0.001mm |
| Maximum Move Distance Of Grinding Wheel Holder | 150mm |
| Minimum Feed Of Grinding Wheel Holder | 0.001mm |
| Maximum Grinding Wheel Linear Speed | ≤50m/s |
| Head Frame | |
| Head Frame Spindle Taper Hole Specification | Morse NT.4 |
| Maximum Clamping Outer Diameter Of Head Frame | 250mm |
| Head Frame Adjustment Angle | Clockwise 5° Counterclockwise 9° |
| Head Frame Spindle Speed Range | 60-550r/min |
| Motor Power Of Cylindrical Grinding Wheel | 7.5kw |
| Motor Power Of Internal Circle Of Grinding Wheel | 4kw |
| Motor Power Of Head Frame | 2kw |
| Working Pressure Of Hydraulic System | 0.8-1Mpa (for outer diameter measuring instrument) |
| Cooling System Flow | 25L/min |
| Hydraulic System Power | 0.75kw |
| Total Power | 22kw |
| Machine Dimensions (LxWxH) | 2300x2200x1800mm |
| Machine Weight | 5000kg |
● Working Accuracy
| ITEM MODEL | |
| Out Circle Circular Degree | 0.002mm |
| Diameter Consistency Of In Longitudinal Section | 0.003mm |
| Outer Clrcle Surface Roughness | Ra<0.32μm |
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CNC Internal And External Grinder
Maximum grinding diameter 8-260mm
Maximum grinding length 120mm
Maximum workpiece weight 10kg
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Maximum grinding length 1700mm
Maximum workpiece weight 200kg
Maximum travel of vertical X-axis 300mm
Maximum travel of horizontal Z-axis 800mm
Maximum travel of headstock rotation Y-axis 360°