Note the use of a rope
(1) apply only to set the rope lifting tool and workpiece and portable mobile lifting or hoisting workpiece hand ropes, in mechanical drive up shall not be used in heavy machinery.
(2) no continuous rope twisted in one direction, so as not to loose or twisting. When the above phenomenon is found, it should be eliminated in time.
(3) the use of hemp, non direct contact with sharp objects, such as can avoid pad protection.
(4) as the running rope rope in use, the safety factor shall be not less than 10; as the rope buckle is used, the safety factor is not less than 12.
(5) shall not contact hemp with acid and alkali and other corrosive media.
(6) the rope should be stored in ventilated and dry place, not damp heat.
(7) the rope should be carefully checked before use, when the surface is not uniform wear than the diameter of the local 30%, touched not exceeding 10% of the diameter of the same section, according to the degree of reduction of diameter equivalent to reduce the use of. Such as local contact injuries and serious localized corrosion, can cut off damaged parts plugged.
(8) to use rope pulley block, the pulley diameter should be greater than 10 times the diameter of the rope, the rope groove radius should be larger than the radius of the 1/4.
