One-stop solution for Sheet Metal Fabrication & CNC Machining - Bergek CNC
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One-stop solution for Sheet Metal Fabrication & CNC Machining - Bergek CNC
In the global market, titanium alloy materials are mainly used in the aviation industry, national defense, military, and other industries. Among them, the application demand in the aviation industry is the largest, accounting for about 50%, mainly for the manufacture of aircraft and engines.
In the global market, titanium alloy materials are mainly used in the aviation industry, national defense, military, and other industries. Among them, the application demand in the aviation industry is the largest, accounting for about 50%, mainly for the manufacture of aircraft and engines.
The strength of titanium alloy products is very high in metal structural materials, its strength is comparable with steel, but its weight is only 57% of steel. In addition, titanium alloy has the characteristics of small specific gravity, high thermal strength, thermal stability, and corrosion resistance, but titanium alloy material cutting processing is difficult, and processing efficiency is low. So how to overcome the titanium alloy processing difficult, low efficiency has been a problem to be solved.
What is titanium alloy?
Titanium alloys refer to a variety of alloy metals made of titanium and other metals. Titanium is an important structural metal developed in the 1950s. Titanium alloy has high strength, good corrosion resistance, and high heat resistance. In the 1950s and 1960s, it mainly developed high-temperature titanium alloys for aero-engines and structural titanium alloys for airframes.
Why is it difficult to process titanium alloy
Titanium alloys refer to a variety of alloy metals made of titanium and other metals. Titanium is an important structural metal developed in the 1950s. Titanium alloy has high strength, good corrosion resistance, and high heat resistance. In the 1950s and 1960s, it mainly developed high-temperature titanium alloys for aero-engines and structural titanium alloys for airframes.
Characteristics of titanium alloys
◪ High strength, lightweight (strength to weight ratio is very high in metal structural materials)
◪ High-temperature resistance (stable performance at 400-500℃)
◪ titanium oxide, nitride, and carbide corrosion resistance is excellent
◪ Good affinity with objects
Titanium alloy processing
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1. CNC Turning
Turning titanium alloy products, easy obtaining better surface roughness, and work hardening is not serious, but the cutting temperature is high, tool wears fast. Lower cutting speed, moderate feed, deeper cutting depth, full cooling, the car is round when the tip can not be higher than the workpiece center, otherwise easy to stick, fine turning and turning thin-walled parts, the main Angle of the tool to be large, generally 75-90 degrees.
2. CNC milling
Titanium alloy products milling is more difficult than turning, because milling is intermittent cutting, and chips easy to bond with the blade, when the chip teeth are cut into the workpiece again, the chip is knocked off and take away a small piece of tool material, forming a breaking edge, greatly reduce the durability of the tool.
3. Tapping
Titanium alloy products tapping, because the chip is small, easy to bond with the blade and the workpiece, resulting in machining surface roughness value, and large torque. Tapping tap [V] improper selection and improper operation is very easy to cause work hardening, machining efficiency is very low and there is a tap broken phenomenon.
Conclusion
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The focus of titanium alloy processing is heat, a large number of high-pressure cutting fluids for timely and accurate injection on the cutting edge can quickly remove the heat. The cutting process of titanium alloy material must be controlled from the aspects of tool material, cutting fluid, and processing parameters, so as to improve the comprehensive efficiency of titanium alloy material processing.
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