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Common Faults and exclusion method of drilling rig
2010-02-06 Source:BOSUN TOOLS
Common Faults and exclusion method of drilling rig
Motor does not turn
Motor does not turn
Reason：Power unreasonable, or joint loosening
Remedy:
Reason ：restore power, check all connectors and tighten
Remedy：
Reason：Action is not reset after the overcurrent protection device
Remedy：Press the reset button to restart the motor
Reason：Over-current protection device is damaged
Remedy：Replacement of over-current protection device
Slow drilling
Reason：Drill the end of life
Remedy：Replaced with new drill bits
Reason：Drill feed pressure is too low
Remedy：Increase the feed pressure
Reason：Drill Segment surface is fine crumb paste to live
Remedy：Cleaning drill, increase water pressure
Reason： skid result in Cut into thick steel
Remedy：Feed pressure decreases, and then increase the pressure to be reinforced through
Reason：Processing chip plot in thehole
Remedy：Clean-up the hole-bottom and inflating
Reason：Flow not smooth，Leakage or non-return
Remedy：Check water inlet valve, check the flow
Reason：Sharpness bit lower
Remedy：Use bricks or grinding wheel to re-open edge
Bit stuck：
Reason：Block of reinforcement metal or debris stuck in the drill core and drill bit and hole wall or between the between the.
Remedy：Stop the machine, using wrench turning left and right bit, or pull out the drill bit crack coring
Reason：Rack is not strong, resulting in displacement of
Remedy：Re-fixed the Rack
Reason：Rack column and sleeve gap is too large
Remedy：Adjust the sleeve gap
Drill wall wear too fast
Reason：Drill spindle is not core
Reason：Drill spindle is not core
Remedy：Repair or replacement of spindle
Reason：the bit errors
Remedy：Replacement the Bits
Reason：reinforcement metal or thin debris can not be discharged outside the hole
Remedy：To improve the water flow, remove the drill bit, clean the hole
Water jacket leaking
Reason：Skeleton ring wear or aging
Reason：Skeleton ring wear or aging
Remedy：Replacement the rubber seal ring
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