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A double headed screw is a steel pipe with gears at both ends, a hollow rod in the middle, and screw holes connecting one end to the machine at both ends. The other end is tightened with nuts. It belongs to the heat treatment function of manufacturing and is used to fix machinery and play a connecting function. Due to its material being low-carbon steel, its strength is mild to grade 8. Used for thicker, longer bolts, or when installing accessories.
The manufacturing of double ended silk is actually quite simple, mainly requiring material straightening, which is to straighten the distorted material in order to carry out the following production processes. Double head screws used in production or construction are mainly used for anti loosening purposes. If they are operated under mechanical friction for a long time, maintenance must be carried out at a fixed time. If abnormal noise or unevenness is found during operation or abnormal situations are found, maintenance and replacement should be carried out. During maintenance, attention should be paid to gear, pitch, and other conditions. During installation, one should pay attention to their own force, and select matching bolts and studs. Due to the occurrence of rust on the nut over time, it is generally difficult to unload. When this occurs, first use engine oil and spray it on top. After a period of lubrication, use a suitable wrench to tighten the nut. When tightening the nut, pay attention to force and do not damage the teeth of the nut. The correct double head screws must be selected for the flow medium and sealing components.
