S7640 Internal Thread Grinder
Mainly used for grinding cylindrical, conical, tooth profile for the two angle, arc-shaped internal thread
Key words:
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: S7640 Internal Thread Grinder
Mainly used for grinding cylindrical, conical, tooth profile for the two angle, arc-shaped internal thread
Mainly used for grinding cylindrical, conical, tooth profile for the two angle, arc-shaped internal thread.
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Precision pitch error of grinding cylindrical triangular internal thread (pitch within 6mm)
• Adjacent pitch error: 0.005mm
• On 25mm length: 0.008mm
• On 100mm length: 0.01mm
• Thread surface roughness: Ra0.4μm
• Accuracy of grinding circular arc threads:
• Basic lead limit deviation 0.006mm
• Cumulative error of 0.012mm over 300mm
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• The machine can use single-stroke or double-stroke grinding and is equipped with an automatic wheel dresser.
• The grinding wheel spindle adopts precision rolling bearings.
• The machine tool adopts a fully enclosed large enclosure and is equipped with a mist suction device.
• The workpiece spindle is supported by high-precision rolling bearings, and the working speed can be stepless speed regulation.
• Machine tool pitch adjustment using exchange gear.
• Triangle and arc shape dressing by replacing different dresser.
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• Maximum chuck diameter: Φ600mm
• Maximum workpiece length: 400 m
• Maximum grindable diameter
• Arc thread: Φ100-Φ280mm
• Triangular thread: Φ150-Φ400mm
• Maximum stroke length of worktable: 750mm
• Grinding thread pitch
• Metric thread: 1.5-60mm
• Inch thread: 1 tooth/1 hour -12 teeth/inch
• Maximum length of grinding thread
• Cylindrical thread: 350mm
• Conical thread: 120mm
• Maximum screw angle that can be ground: 8 ° left, 8 ° right
• Number of grinding threads: 1, 2, 3, 4
• Headrest spindle revolutions
• Working time (stepless):0.5-10r/min
• Fast return: 30r/min
• Lateral movement of grinding wheel rack: 0-205mm
• One grid of transverse feed handwheel: 0.01mm
• Maximum rotation speed of grinding wheel spindle: 10000r/min (frequency conversion speed regulation)
• Grinding wheel size
• Maximum diameter: Φ125mm
• Minimum diameter: Φ80mm
• Machine dimensions (length x width x height):3206mm x 1642mm x 1750mm
• Machine weight: about 5800kg
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SK7640A CNC internal thread grinding machine
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