Blade maintenance

     1, the blade if used immediately, it should be flat or use the hole to hang up, or other items can not be stacked on the flat of the blade foot, and pay attention to moisture, anti-corrosion.
     2, when the blade is no longer sharp, cutting surface roughness, promptly re-grinding. We can not change the original grinding angles, balancing and destruction.
     3, the inner diameter of the blade amendments positioning hole machining, etc., must be performed by the manufacturer. If processing is bad, it will affect the product effect, and may be dangerous, reaming principle it can exceed the original aperture 20mm, so as not to affect the balance of stress.

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