SK 7640 CNC internal thread grinding machine
Mainly used for grinding cylindrical, conical internal thread ring gauge
Key words:
Classification:
Complete set of thread ring and plug gauge processing equipment
Product accessories:
- Main use
- CNC system configuration
- Working accuracy
- Technical features
- Main specifications and parameters
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- Commodity name: SK 7640 CNC internal thread grinding machine
Mainly used for grinding cylindrical, conical internal thread ring gauge
This machine is mainly used for grinding cylindrical, conical internal thread ring gauge. (Tooth types include triangle, partial ladder, serration, etc.).
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The accuracy of threads with a pitch of less than 6mm is:
Adjacent pitch error: 0.003mm
• On 25mm length: 0.005mm
• In 100mm length: 0.006mm
One-way pitch error distribution
• Tooth profile section flank angle deviation: 8'
Thread diameter cylindricity error: 0.005mm
• Surface roughness: Ra 0.32μm
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• The main movement is the rotation of the grinding wheel shaft, the rotation of the workpiece driven by the servo motor, the reciprocating movement of the worktable, the advance and retreat movement of the grinding wheel frame and the adjustment movement of the spiral lifting angle of the grinding wheel frame;
• Head frame spindle rotation and worktable moving two-axis linkage to achieve machine tool thread movement;
• The machine has the special functions of automatic grinding cycle, automatic online dressing of grinding wheel and automatic compensation of correction amount;
• Working table movement, grinding wheel frame feed configuration grating ruler, head frame spindle rotation configuration incremental rotary encoder, to achieve full closed-loop control;
• The adjustment of the screw lift angle of the grinding wheel frame is automatically controlled by the servo motor, and the angle value can be displayed on the operation interface, which is convenient for the operation of the machine tool.
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• Maximum chuck rotation diameter: 600mm
• Maximum workpiece length: 400mm
• Center height: 320mm
• Grinding thread diameter: 150~400mm
• Maximum length of grinding thread: 200mm
• Grinding thread pitch
Metric: 0.5~24mm
Imperial: 2~40 teeth/inch
Maximum screw angle of grinding thread: 12 ° right and 12 ° left
• Number of grinding thread heads: 1~45 (arbitrary)
• Workpiece speed: 0.2~100rpm
• Maximum weight of workpiece: 50Kg
• Maximum speed of grinding wheel spindle: 24000rpm
• Grinding wheel size
Maximum diameter: 125mm
Minimum diameter: 80mm
• Machine weight: 6500Kg
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