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What are the faults of the CNC drilling machine
Common faults include: automatic tensioning drill shank device failure, automatic transmission device failure, and unstable maintenance of spindle motion accuracy.
Release time:
2022-05-25
1. Failure of CNC drilling machine spindle components
Common faults include: automatic tensioning drill shank device failure, automatic transmission device failure, and unstable maintenance of spindle motion accuracy.
2. Faults in the feed transmission chain of the CNC drilling machine
The failure is generally manifested in the decline of motion quality, such as the decline of positioning accuracy, the increase of backlash, the creeping phenomenon of the worktable during the feeding movement, and the excessive noise of the bearing. This kind of fault is generally eliminated by adjusting the preload of the kinematic pair, adjusting the loose link, and adjusting the compensation link.
3. The failure of the automatic tool changer (ATC) of the CNC drilling machine
The failure of this device accounts for about 50%, which is manifested in: the movement failure of the tool magazine; the positioning error is too large; the mechanical clamping tool handle is unstable, and the movement error of the robot is too large, which will cause the tool change action to be stuck and the whole machine will stop running. .
4. Press-fit fault of travel switch used for position detection of CNC drilling machine
The main factors that affect the normal pressing of the travel switch are the changes in the motion characteristics of the moving parts, the reliability of the mechanical device of the travel switch and the quality characteristics of the travel switch itself, which are eliminated by adjusting or replacing parts.
5. Failure of supporting accessories of CNC drilling machine
The supporting accessories include failures of cutting fluid, chip removal device, guide rail protection, spindle cooling temperature control box, etc.
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