1, grinders shields have sufficient strength (typically steel thickness of 1.5 ~ 3MM) and effective cover surface grinders hanging or cutting the maximum opening angle of 180 degrees or bench grinder wheels less;. Desktop and floor-grinding machines, the maximum opening angle in less than 125 degrees in the horizontal centerline of the wheel spindle opening angle less than 65 degrees;
2, install protective cover firmly to prevent loosening due to high speed rotating grinding wheel, off;
3, the gap between the shield and the wheel to match the new wheel and the front stone cutting wheel cover plate gap should be 20 ~ 30MM, and the wheel side of the gap cover plate is 10 ~ 15MM.
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