Hexagon nut is one of our common nuts. It is used together with bolts and screws to connect and fasten the machine parts. It has internal threads and is used together with screws to transmit movement or power. Among them, Type 1 hexagon nuts are the most widely used, and Grade C nuts are used on machines, equipment or structures with rough surfaces and low precision requirements; Class A and B nuts are used on machines, equipment or structures with smooth surfaces and high requirements for accuracy. The thickness m of type 2 hexagon nut is relatively thick, and it is often used in situations where assembly and disassembly are often required. The thickness m of the hexagon thin nut is relatively thin, which is mainly used in the occasion where the surface space of the connected parts is limited.
A nut is a nut, which is screwed together with a bolt or a screw to play a fastening role. It is an element that must be used in all production and manufacturing machinery. How should a hexagon nut be processed? Here is a brief introduction to the processing steps of hex nuts.
1. Draw a line to find out the center of the hexagon, sample and punch holes, draw a check circle or check the frame line.
2. Calculate the diameter of the bottom hole according to the formula D=d – P, select a suitable drill bit to drill the bottom hole (drill the central hole with a small drill bit before drilling the bottom hole), and chamfer on both sides of the bottom hole.
3. Follow the correct method to tap M12 thread, and lubricate the thread when tapping.
4. Check whether the diameter of the blank round rod is qualified according to the formula rod d round rod=d-0.13P.
5. First, machine the hexagon head of the bolt in the same way as the nut.
6. Then insert M12 thread in the correct way. When inserting the thread, lubricate it and insert the thread to the bottom.
7. The shape of nuts and bolts shall be chamfered and trimmed.
8. Deburring, overall re inspection, and finishing the workpiece.
