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grinding wheel cutting piece before starting

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  • xzbbvfvbh
    started a topic grinding wheel cutting piece before starting

    grinding wheel cutting piece before starting

    In large factories or small enterprises, the use of grinders, in order to ensure the safety of use, must be checked once a week, and the grinders are maintained once a year. Many companies ignore these, inspection and operation requirements before starting, and cause many sad reminders.
    Check before boot:
    1) Check if the fasteners are loose, if necessary, tighten them.
    2) Focus on checking whether the durable cutting off wheel has cracks if it should be replaced immediately. Inspection method: tap the grinding wheel with a wooden stick to make a crisp sound.
    3) Move the grinding wheel by hand to observe whether the rotation of the grinding wheel is flexible and light, and listen to the sound of rubbing.
    4) Check if the direction of rotation of the grinding wheel is correct, and the grinding debris will fly away from the grinding wheel in the correct direction.
    5) Start the power supply. If the vibration and noise are abnormal, stop it immediately and list it for maintenance.
    6) Check that the gap between the outer circle of the grinding wheel and the workpiece bracket should be ≤3mm.
    7) Check if the grounding of the grinder is intact.
    Operational requirements:
    1) Operators must wear safety glasses and anti-splash masks.
    2) The body should be at a suitable distance from the abrasive tool.
    3) Start the power supply, and start the grinding work when the grinding wheel is running smoothly.
    4) It is strictly forbidden to violently impact the workpiece and the grinding wheel. The pressure should be gradually applied during the grinding to make the grinding wheel free from impact and avoid the grinding wheel bursting.
    5) The end of the work grinding should be kept at 20 mm or more from the hand end.
    6) The amount of grinding should be appropriate for each grinding to prevent the workpiece from accidents with the grinding wheel.
    7) When grinding for a long time, cold water should be provided next to the grinder to prevent heat and burns when the workpiece is ground.
    8) Steel parts with strong fractures cannot be ground on the high performance cutting disc to prevent the workpiece from rupturing.
    9) The workpiece shall not be ground perpendicular to the upper surface of the grinding wheel, ie the workpiece shall not be ground on the side of the grinding wheel.
    10) The length of the ground workpiece should be less than 500 mm. When grinding more than 500 mm, other grinding tools should be used, such as angle grinder.
    11) In the grinder in use, the difference between the diameters of the two grinding wheels is not more than 20%.
    12) Power off immediately after each work is completed.

  • Leal1995
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