Various problems should be noted during replacement of grinding wheel

Wearing problems:
Any Grinding wheel has its requirements for the use of certain wear, wear reaches a certain level must be re-replacement of the grinding wheel. Not in order to save material, it requires the use of ultra-wear, which is a very unsafe violations. A general rule, when the wheel wear to diameter ratio of diameter 10mm chuck should be replaced with a new wheel.

Validity of the problem:
The new wheel from the Treasury brought out is not necessarily qualified wheel, new wheel even buy from the manufacturers are not necessarily qualified wheel. Any wheel has its certain expiration date, under the terms of use, which is qualified grindstone; use over the period, it is not necessarily qualified wheel. Rules of "the use of the wheel should be within the validity period, resin and rubber bonded grinding wheel storage must be approved by turning test, those who pass before after one year."

Texture problem:
During use, if you find a local wheel cracks, stop using it immediately, replace the new wheel, wheel to avoid crushing injury accident.