S7420X750 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: S7420X750 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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Grinding cylinder ball arc screw specimen accuracy
• Within 2π radians: 0.006mm
• Within any 300mm: 0.012mm
• Full length of thread: 0.029mm
• Roughness of thread surface: Ha0.32μm
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• The bed table guide rail adopts flat-V-rolling-sliding structure, and the grinding wheel frame guide rail adopts flat-V rolling guide rail.
• The grinding wheel spindle adopts high precision hydrostatic bearing structure.
• Head frame spindle rotation using frequency conversion technology to achieve stepless speed regulation.
• The pitch of the grinding thread is realized by exchanging the gear bundle, and the worktable is equipped with a correction ruler, which can correct the accumulated error of the pitch.
• Tailstock adopts double-layer structure with adjustable taper.
• The rapid advance and retreat of the grinding wheel frame is realized by the hydraulic cylinder, and the feed is manual, which can realize coarse feed and micro feed.
• Adopt the model plate type circular arc grinding wheel dresser and configure the special hydraulic swing cylinder to practice stable and reliable movement. Realize the dressing of different circular arc diameters by replacing the model plate (optional triangular dresser).
• Machine configuration fully enclosed enclosure, efficient oil mist purification processor.
• The coolant is double filtered by magnetic separator and precipitation method.
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• Maximum installation diameter: 200mm
• Maximum top distance: 750 mm
• Maximum grindable diameter: 200 mm
• Minimum grindable diameter: 10mm
• Maximum stroke length of worktable: 500mm
• Pitch of grindable threads
Modular thread: 0.3 π-12π
Metric thread: 0.25~24mm
Inch thread: 3~28 teeth/inch
Trapezoidal thread: 2~24mm
• Number of heads that can be ground thread: 1~36
• Maximum helix angle of grinding thread: ± 30 °
• Head center hole taper (tailstock): Morse No. 4
• Workpiece speed
Working (stepless):0.2-25 r/min 0.8-100 r/min
Fast time (stepless):25 r/min; 100 r/min
Lateral movement of grinding wheel rack: 150 mm
Rapid advance and retreat of grinding wheel rack: 30mm
• Grinding wheel spindle speed: 1670, 2145 r/min
• Line speed (maximum):35 m/s
• Grinding wheel size
Outer diameter x thickness x inner diameter: P400x10x203
Width: 10, 20mm
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