What are the methods for forging titanium alloy gear parts?
What are the methods for forging titanium alloy gear parts? Gear parts are important components in many equipments. Titanium alloy forged gear processing is more common. According to different equipment gear requirements, the demand for forged parts is also different. The titanium alloy gear processing technology needs to ensure that equipment parts To meet production requirements, let's take a look at the methods for forging titanium alloy gear parts.
1. Properly combine strength and toughness. Steel's strength and toughness typically grow off of each other. For structural forgings, primary impact toughness is usually used as a safety judgment to pursue high toughness indicators without sacrificing strength, resulting in large mechanical products and short lifespan. On the contrary, for molds, in order to improve wear resistance, high hardness and high strength (torsion strength) are pursued, while the toughness to reduce mold collapse and fracture is ignored, and the service life is not long. Therefore, the working conditions and failure modes of forgings should be investigated and analyzed, and the strength and toughness indicators of forgings should be determined based on the reasonable combination of strength and toughness.
2. Correctly handle material strength. Relationship between structural strength and system strength. According to the organizational state of the material (including surface state, residual stress and stress state), the strength indicators of various materials are measured through standard samples. The structural strength of a forging is affected by dimensional factors and notch effects, while system strength is related to the interaction with other forgings. There is a big difference between the three. For example, the smooth test rod fatigue strength of the material is high, but the physical fatigue strength may be very low. Therefore, it is more appropriate to determine the mechanical performance indicators of some important components based on the simulation test results.
3. The strength matching of the assembly should be reasonable. A large number of tests and actual use have shown that when components (such as worm gears, chain sprockets, balls, ferrules, transmission gears, etc.) reach strength matching, the service life can be extended. For example, the hardness of the ball should be higher than 2HRC of the sleeve, and the surface hardness of the driving gear of the rear axle of the car should be higher than 2-5HRC of the driven gear seat. The same steel is treated with the same method to form a friction pair with the same hardness, but the wear resistance is poor.
4. Surface strengthened forgings, core and surface strength should be reasonably matched. For surface-strengthened parts (such as carbon quenching, carbonitriding quenching, nitrogen, induction quenching, etc.), when the depth of the hardened layer is certain, the heart should have appropriate strength to make the heart. The surface strength reaches a good matching state to ensure a long service life of the forgings. If the heart strength is too low, fatigue sources are easily generated in the transition zone, leading to a decrease in fatigue performance; if the heart strength is too high, the surface residual compressive stress is small and the fatigue life is not long.
Haibowell Metal Technology Co., Ltd. is a manufacturing enterprise specializing in the research, development, production and sales of rare metals such as titanium and titanium alloys, nickel and nickel alloys, zirconium and zirconium alloys. The company has a registered capital of 5 million yuan and covers an area of 3,000 square meters. It has an annual production capacity of titanium sales and processing of 200 tons of titanium rods, 200 tons of titanium plates, 150 tons of forgings, 100 tons of wire, and 300 tons of large-diameter titanium and titanium alloy pipes. There are more than 100 professional and technical personnel. The company has advanced production equipment and professional testing processes. It has long-term production of titanium and titanium alloy products and other rare metal materials. It also has rich practical experience in the production of titanium chemical machinery and equipment.
Titanium alloy forging can improve the performance of the material and the quality of the forgings. The processed gear parts can extend the service life and durability.
