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Troubleshooting
Wobblings Image

WOBBLINGS

CAUSES

  • Blade is mounted on a damaged or worn M/C.
  • Blade is not tensioned properly.
  • Blade runs at improper speed.
  • Blade is bent as a result of twisting.
    		•
    Out-Of-Round Blade Image

    OUT-OF-ROUND BLADE

    CAUSES

  • Shaft bearings are worn.
  • Engine is not properly turned, causing surges in blade rotation.
  • Blade arbor hole is damaged from mismounting.
    		•
    Arbor Out-of-Round Image

    ARBOR OUT-OF-ROUND

    CAUSES

  • Blade collar is not properly tightened, permitting blade rotation or vibration on the shaft.
  • Worn, bent or dirty flange which do not allow proper blade clamping.
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    Loss of Tension Image

    LOSS OF TENSION

    CAUSES

  • Steel center has been overheating as a result of blade spinning on the arbor or from rubbing the side of material being cut.
  • Unequal pressure at blade clamping collars.
  • Improper blade specification: blade is too hard for material being cut.
    		•
    Uneven Segment Wear Image

    UNEVEN SEGMENT WEAR

    CAUSES

  • Insufficient water, generally on one side of the blade, which reduces side clearance.
  • Equipment defects which cause the segments to wear unevenly.
  • Saw head is misaligned.
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    Cracks in Steel Center Image

    CRACKS IN STEEL CENTER

    CAUSES

  • Blade wobbles in cut as a result of loss of blade tension.
  • Bond is too hard for material being cut.
    		•
    Uneven Segment Wear Image

    BLADE WILL NOT CUT

    CAUSES

  • Bond is too hard for material being cut.
  • Blade has become dull as a result of being used on material that is too hard.
    		•
    Uneven Segment Wear Image

    SEGMENT CRACKS

    CAUSES

  • Bond is too hard for material being cut.
    		•
    Loss of Segment Image

    LOSS OF SEGMENT

    CAUSES

  • Material is not firmly secured.
  • Overheating due to insufficient water.
  • Steel center is worn from undercutting.
  • Defective blade collars are setting blade out of alignment.
  • Blade is too hard for material being cut.
  • Blade is cutting out-of-round, causing a fluttering motion.
  • Improper blade tension.
    		•
    Undercutting Image

    UNDERCUTTING

    CAUSES

  • Gradual abrasion of steel center due to highly abrasive fines generated during cutting.

    • CAUTION: Wear-retardant cores are not always the solution to avoid undercutting. Always provide an adequate amount of water to the steel center area immediately adjacent to the segment. This is especially important for deep cuts.

     

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