A Brief Analysis of the Notices in the Construction of American Nuts
Datetime:2015.10.22 From:HanDan HaoQiang Fastener Manufacturing Co.,Ltd
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The following aspects should be paid attention to in the construction of square beautified nuts: First, the quality of products: surface rust, oil stain, burrs on the hole wall of the American nut, welding nodules, etc. should be cleaned up; after treatment of the contact friction surface, the required anti-scratch coefficient should be achieved. The high-strength square nuts used should have matching bolts and washers, which should not be interchanged when used; the friction surfaces of treated components should not be contaminated with oil, dirt and other debris when installed; the friction surfaces of components should be kept dry during installation, and should not work in rain; the deformation of jointed steel plates should be strictly checked and corrected before installation; It is forbidden to hammer into the nut during installation to prevent damage of the nut screw. The electric wrench is regularly tested to ensure the accuracy of the torque and to operate in the correct tightening sequence. 2. Installation safety technology: 1. The size of the wrench used with the movable wrench should be in accordance with the size of the nut, and the casing should not be added to the small wrench. Dead wrenches should be used in high altitude work, such as fastening with rope when using flexible wrench, fastening seat belts; when assembling connecting bolts of steel components, it is strictly forbidden to insert the connecting surface or explore the holes of the bolts; when taking and placing the pad iron plate, the fingers should be placed on both sides of the pad iron plate.
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