SK7450X100 CNC screw grinding machine
Mainly used for precision grinding of various triangular threads, ladder screws and ball screws
Classification:
Complete set of ball screw processing equipment
Product accessories:
- Main use
- CNC system configuration
- Working accuracy
- Technical features
- Main specifications and parameters
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- Commodity name: SK7450X100 CNC screw grinding machine
Mainly used for precision grinding of various triangular threads, ladder screws and ball screws
It is mainly used for precision grinding of various triangular threads, ladder screws and ball screws.
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Adopt SIEMENS 828D numerical control system to realize five-axis three-linkage control.
• Number of control axes
Z axis: grinding wheel carriage longitudinal movement configuration grating ruler full closed loop control
X-axis: cross feed movement of grinding wheel carriage
C axis: head frame spindle rotary motion configuration rotary encoder full closed-loop control
V-axis: Dresser Slide Vertical Motion
W-axis: dresser pallet horizontal motion
Among them, C and Z axes are linked to realize thread movement; W and V axes are linked to dress the grinding wheel through diamond rollers; two electronic handwheels are configured to manually control the movement of each numerical control axis of the machine tool.
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The accuracy of the machine tool is based on the national professional standard JB/T2858.3-1999, and the pitch accuracy of the thread within 6mm can be guaranteed to be
V2pp:0.006mm
V300p：0.012mm
ep：0.092mm
Vup：0.060mm
Variation of thread diameter: 0.005mm
Total length middle diameter dimension variation: 0.090mm
Thread surface roughness: Ra 0.32μm
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• Rear-mounted hydrostatic bearing grinding wheel spindle greatly improves the surface quality of the workpiece after grinding.
• The optimized head frame doubles the speed of the workpiece during grinding, greatly improving the processing efficiency of the machine tool.
• The multi-time optimized CNC grinding wheel dresser makes the dressing accuracy of various shapes of grinding wheels higher and the dressing flexibility better.
• Constant temperature, large flow, dual filter cooling system upgrades and multi-point workpiece shower cooling device development, so that the ball screw machining accuracy is greatly reduced by the degree of temperature.
• Intelligent grinding software, through the man-machine hand-over flexible and convenient way to achieve a variety of grinding wheel shape dressing and different workpiece grinding.
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• Maximum installation diameter: 500mm
• Maximum center distance: 10300mm
• Maximum grindable diameter: 250mm
• Minimum grindable diameter: 50mm
• Maximum length of grinding thread: 10000mm
• Maximum travel of grinding wheel carriage: 10000mm
• Pitch of grinding thread: 1.5~48mm
• Maximum lead of grinding thread: 300 mm
• Maximum helix angle of grinding thread: ± 25 °
• Number of heads that can be ground threads: 1~99 (arbitrary)
• Grinding wheel carriage plate return speed: 3000 mm/min
• Grinding frame advance and retreat speed: 2500 mm/min
• Head frame spindle speed: 0.5 ~ 27r/min
• Lateral movement of grinding wheel rack: 175mm
• Rapid advance and retreat of grinding wheel rack: 20mm
• Grinding wheel spindle speed (AC frequency conversion):1340 ~ 1670r/min
• Grinding wheel speed: 35 m/s
• Grinding wheel size
Outer diameter x inner diameter: 400 ~ 500x305mm
Width: 10mm, 25mm
• Working maximum weight: 1000Kg
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