Titanium fastener processing technology is mainly divided into three processing methods: mechanical processing (turning, milling, stamping, etc.), hot forging, and cold forging.
The difference of Titanium fastener processing technology.
Titanium metal itself has poor plastic deformation. Over the years, the market for titanium fasteners has slowly developed from a small quantity to a large quantity. This has led to a slow pace of manufacturing equipment and product development and update. Therefore, titanium fasteners were always used when they first entered the market. Using the process of machining and manufacturing;
Machining products is to use turning, milling, lathe picking and other processing methods to process bars to finished products. This process has a large waste of raw materials, low yield, many procedures, and large errors, resulting in high costs and directly affecting the application and popularization of titanium fastener products.
2.Hot forging process
The hot upsetting process refers to the processing method in which the material is heated and deformed under pressure, so that the shape of the material meets the requirements of the drawing standard. The specific operation is to heat the material to a certain temperature and put it into a certain shape of abrasive tool for forging and forming, also called hot forging or red punching. Hot heading only needs to be used to produce larger batches of bolts, nuts and some non-standard shaped parts. Improve the processing efficiency, ensure the consistency of the product, increase the product yield, and reduce a certain amount of material and processing costs.
3.Cold forging process
Cold heading is a method of using the plasticity of metal materials to apply pressure or cold drawing using a cold heading machine to achieve the solid deformation of the metal, and to forge the top of the wire and the rod into a shape at room temperature.
Cold heading is mainly used to manufacture bolts, nuts, screws, rivets and other parts. The raw materials can be titanium and titanium alloys or other non-ferrous and ferrous metal materials. Cold heading can make the utilization rate of raw materials reach more than 90% or even higher.
Cold heading is mostly carried out on a dedicated cold heading machine, which facilitates continuous, multi-station, and automated production. Cutting, heading, forming, chamfering, diameter reduction and trimming can be completed in sequence on the cold heading machine. The production efficiency is high. At present, only pure titanium materials can be used, and the working speed can reach 50~150 pieces per minute, every 8 It can produce 30,000-70,000 pieces per hour, with extremely high efficiency, reducing processing costs, lowering prices, and earlier delivery.
Comparison of titanium fastener processing technology
The surface of the CNC machining screw product is relatively smooth and beautiful, and the cost is high;
The surface of the hot forging screw product is oxidized, rough, and has good performance, but it is easy to use and not very beautiful;
The surface of the cold forging screw products have high production efficiency, practicality and low cost, but the texture and product details need to be further improved.
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