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Troubleshooting Diamond Blades

Most common issues occur as a result of the following:

  • Incorrect matching of diamond blade to cutting application
  • Incorrect use of diamond blade
  • Machinery fatigue, wear or faults
  • Mishandling of product in transit

Slow/Decreased Cutting Speed

Possible Causes:

  • Check diamond blade rotational arrow against machine direction.
  • If the segment becomes smooth it can be redressed by running the segments through an abrasive material i.e. Lightweight concrete block or concrete roof tile.
  • Check that the blade application is correct for the material being cut.
  • Check for correct tensioning of machine belts.
  • The machine being used may have insufficient power.

Increased or Abnormal Segment Wear

Possible Causes:

  • Incorrect blade specification chosen for material application, a harder bonded specification may be required.
  • Inadequate water supply.
  • Excessive speed of rotation.
  • Worn machine bearings causing blade centre to lose shape.

Uneven Segment Wear

Possible Causes:

  • Improper use by machine operator, blade being used as grinding or smoothing tool.
  • Excessive pressure being applied by operator.
  • Blade incorrectly mounted on shaft, Worn or damaged machine bearings, or worn shaft.

Segment Under Cutting

(In the event of visible under cutting of segment the user should stop using immediately)
Possible Causes:

  • Over cutting into the sub base where the constant abrasive rubbing of loose material can have an adverse effect on the steel centre. By reducing the depth of cut the wear will be reduced.
  • Insufficient water supply, by increasing water supply aiding slurry removal will reduce the effects of undercutting.
  • Loss of undercutting protection.

Segment Cracks

(In the event of segment cracks the user should stop using immediately)
Possible Causes:

  • The segment is too hard for the material being cut causing a hammering or bouncing action when in use.
  • Cutting speed is too fast.

Vibration of Blade

(In the event of blade vibration the user should stop using immediately)
Possible Causes:

  • Worn/damaged shaft or grooved spindle mounting adaptor.
  • Damaged/worn machine bearings or shaft.
  • Worn or damaged arbor hole.
  • Blade incorrectly mounted.
  • Damaged diamond blade.
  • See loss of tension.

Segment Loss

(In the event of segment loss the user should stop using immediately)
Possible Causes:

  • The segment is too hard for the material being cut causing a hammering or bouncing action when in use.
  • Overheating of segment and steel centre caused by inadequate irrigation or cooling periods, this is usually diagnosable by the bluish discolouration of steel centre.
  • The machine twisted, turned , forced or subjected to lateral forces whilst in the cut. Blade jolt from material not being held rigidly.
  • Incorrect mounting, worn spindle causing ovalised effect.
  • Reduced blade support as a result of Worn or damaged flanges.
  • See undercutting.

Steel Centre Cracking

(In the event of steel centre cracking the user should stop using immediately)
Possible Causes:

  • The segment is too hard for the material being cut causing a hammering or bouncing action when in use.
  • The machine twisted, turned, forced or subjected to lateral forces whilst in the cut. Blade jolt from material not being held rigidly.
  • Blade incorrectly mounted on shaft, Worn or damaged machine bearings, or worn shaft.
  • Inadequate cooling processes.
  • Excessive speed of rotation.

Loss of Tension in Steel Centre

(In the event of tension loss the user should stop using immediately)
Possible Causes:

  • The segment is too hard for the material being cut.
  • Machine not running at the correct rpm.
  • Worn or unsecured flanges causing slippage of steel centre.
  • Damaged/worn machine bearings or shafts producing lateral stresses on steel centre.
  • Blade poorly aligned when mounted on saw.

Out Of Round Blade

(In the event of blade becoming out of round the user should stop using immediately)
Possible Causes:

  • The segment is too hard for the material being cut causing a hammering or bouncing action and wearing disc out of round.
  • Damaged/worn machine bearings.
  • Worn/damaged shaft or grooved spindle mounting adaptor.
  • Blade incorrectly mounted.

Troubleshooting Diamond Core Drills

Most common issues occur as a result of the following:

  • Drilling in hammer mode
  • Using an incorrect drill motor for diamond drilling
  • Incorrect matching of core drill to drilling application
  • Machine fatigue, wear or faults
  • Mishandling of product in transit and storage

Slow / Decreased Drilling Speed

Possible Causes:

  • The segment does not match the material application being drilled.
  • If the segment becomes smooth it can be redressed by running the segments through an abrasive material i.e. Lightweight concrete block or concrete roof tile.
  • Excessive speed of rotation.
  • The drill motor being used is under powered in relation to the size of core drill being used.

Cracking of Core Drill Barrel

(In the event of barrel fatigue the user should stop using immediately)
Possible Causes:

  • Core drill being used on hammer action.
  • Lateral twisting in cut.

Segment Loss

(In the event of segment loss the user should stop using immediately)
Possible Causes:

  • The segment is too hard for the material being cut causing a hammering or bouncing action when in use.
  • Core drill being used on hammer action.
  • Snagging of wall tie.
  • Twisting in cut.
  • Overheating as a result of lack of cooling.
  • No slipping clutch on drill motor.
  • Impact from dropping, mishandling or damaged in transit.

Jamming of Core Drill

Possible Causes:

  • The segment is too hard for the material being cut.
  • Insufficient removal of waste from cut.
  • Insufficient motor power.
  • Damaged out of round barrel.

Deformed Segment(s)

Possible Causes:

  • Core drill being used on hammer action.
  • Too much pressure being applied when drilling.
  • The segment is too hard for the material being cut.

Troubleshooting Diamond Tile Drills

Most common issues occur as a result of the following:

  • Drilling in hammer mode
  • Incorrect use of diamond tile drill
  • Using an incorrect drill motor for diamond drilling
  • Machinery fatigue, wear or faults
  • Incorrect fitting on machinery

Poor Performance / Cracked or Broken Tiles

Possible Causes:

  • Machine being used is under powered.
  • Drive direction on machine is set to reverse.
  • Drilling in hammer action mode.
  • Excessive pressure being applied during use.

Drill Bit Overheating

Possible Causes:

  • Tile debris lodged inside the barrel.
  • Tile dust clogging the wax filled barrel.
  • Excessive pressure being applied.
  • Not periodically removing the bit from the hole to allow for cooling.

Reduced Lifespan

Possible Causes:

  • Excessive pressure being applied during use.
  • Drilling rather than milling – Let the drill bit do the work!
  • Drilling into the material behind the tile.
  • Inappropriate or faulty machine being used.
  • Incorrect fitting.
  • Not allowing the drill bit to periodically cooldown.
  • Tile debris or waste material clogging the barrel.

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Diamond Blades Explained

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