Cause: Blade being used on misaligned saw.
Remedy: Check for proper saw alignment.
Cause: Blade is excessively hard for the material being cut, creating stress on the steel center.
Remedy: Make certain blade is correct for material being cut.
Cause: Material slippage causing blade to twist and become kinked or bent.
Remedy: Maintain tight grip on material while sawing.
Cause: Utilizing blade flanges that are under size or not the same diameter, creating uneven pressure on the center.
Remedy: Make certain blade flanges are proper size and identical diameter, minimum 37/8", 41/2" on concrete saws, 6" minimum on diamond blades that are 30" diameter and larger.
Cause: Blade being used at improper RPM.
Remedy: Make certain blade shaft is turning at the proper RPM by using a tachometer. This is especially important with concrete saws.
Cause: Blade improperly mounted on arbor shoulder becomes bent when flanges are tightened.
Remedy: Hold blade securely on arbor shoulder until outside flange and nut are firmly tightened.